SolarMax HT series - moeller.eu The inverter is fitted with surge arresters (varistors) at its input...

Instruction manual

SolarMax HT series32HT2

Register here: maxview.solarmax.com

Sputnik Engineering AG

Länggasse 85

CH-2504 Biel/Bienne

E-Mail: [email protected]

© Sputnik Engineering AG 2014

4

Contents1 Notes on this instruction manual 7

1.1 Scope. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71.2 Target groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71.3 Where to keep this manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71.4 Symbols used. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2 Safety 82.1 Intended use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82.2 Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82.3 Symbols on inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

3 Description 103.1 Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103.2 Functionality. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103.3 Safety installations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113.4 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .123.5 Views of the unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .133.6 Wiring diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

4 Installation 164.1 Transporting and storing inverters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164.2 Lifting the inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164.3 Checking the delivery for completeness . . . . . . . . . . . . . . . . . . . . . . . . . . . .174.4 Selecting the installation location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .184.5 Mounting the inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

5 Electrical connection 235.1 Removing the AC cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235.2 Removing the DC cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245.3 Connection area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

5.3.1 AC and communication terminals . . . . . . . . . . . . . . . . . . . . . . . . . 255.3.2 DC terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

5.4 Connecting the inverter to the mains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265.5 Connecting the inverter to the generator connection box . . . . . . . . . . . . . . 295.6 Network connections (optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325.7 Connecting status signaling contacts (optional) . . . . . . . . . . . . . . . . . . . . . 335.8 External shutdown (optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 355.9 Connecting external signaling contacts (optional). . . . . . . . . . . . . . . . . . . . 385.10 External output control (optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

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6 Commissioning 406.1 Activating the inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 406.2 Initial start-up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

6.2.1 Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 406.2.2 Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 416.2.3 Country-specific menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

6.3 Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 436.3.1 Changing parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 436.3.2 Setting the display language and system time. . . . . . . . . . . . . . . . 446.3.3 Setting the network parameters . . . . . . . . . . . . . . . . . . . . . . . . . . 446.3.4 Configuring the status signaling contacts . . . . . . . . . . . . . . . . . . . 456.3.5 Activating the monitoring of external signaling contacts . . . . . . . . 46

6.4 Displaying the configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 476.4.1 Description of extended functions and parameters . . . . . . . . . . . . 48

6.5 Displaying measured values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 546.6 Registering for MaxView. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

7 Operation 577.1 Graphics display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 577.2 Menu structure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 587.3 Displaying the operating data overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 597.4 Displaying Main Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 597.5 Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

7.5.1 Displaying the daily statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 607.5.2 Displaying the monthly statistics . . . . . . . . . . . . . . . . . . . . . . . . . . 607.5.3 Displaying the annual statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . 617.5.4 Displaying the total statistics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 617.5.5 Deleting the statistics values. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

7.6 Displaying information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 637.7 Displaying the operating status of the inverter . . . . . . . . . . . . . . . . . . . . . . 63

7.7.1 "Booting" operating status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 647.7.2 "Mains operation" operating status. . . . . . . . . . . . . . . . . . . . . . . . 64

7.8 Displaying the operating status of the MPP trackers. . . . . . . . . . . . . . . . . . 65

8 Troubleshooting 668.1 SolarMax Service Center . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 668.2 Diagnosis and actions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

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8.2.1 General troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 668.2.2 Warning messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 678.2.3 "Failure" operating status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 678.2.4 "Error" operating status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 688.2.5 "Blocked" operating status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

9 Maintenance 69

10 Decommissioning 7010.1 Instructions for inverter replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7010.2 Dismounting the inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7010.3 Disposing of the inverter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

11 Technical data 7211.1 Efficiency curve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7311.2 Temperature-dependent output reduction . . . . . . . . . . . . . . . . . . . . . . . . . .7411.3 MaxComm compatibility. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7411.4 Country-specific settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

12 Accessories and options 76

13 Warranty 77

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1 Notes on this instruction manual11 ScopeThis instruction manual is applicable to the following SolarMax inverters:

Type Item NoSM32HT2 10 006 656

12 Target groupsThis instruction manual is intended for the operator of the plant and the installer of the PV power plant.

The instructions in chapters 5, 62, 8 (troubleshooting actions) and 10 may only be car-ried out by trained electricians (e.g. electricians, electric systems technicians, electrical mechanics, industrial electronics technicians).

The instructions in chapter 4 should only be carried out by specialist transport personnel.

13 Where to keep this manualThe plant operator must ensure that this instruction manual is available to the relevant persons at all times. If this original document is lost, an up-to-date version of this instruc-tion manual can be downloaded from our website at any time (www.solarmax.com).

14 Symbols usedThe following safety instructions and general information are used within this instruction manual.

DANGER!Non-observance of these safety instructions results in serious injuries or death.

WARNING!Non-observance of these safety instructions may result in serious injuries or death.

CAUTION!Non-observance of these safety instructions may result in minor or extensive injuries.

8

ATTENTION!Non-observance of these safety instructions may result in material damage.

Note

Notes contain additional information or facilitate operation of the inverter.

2 Safety21 Intended useSolarMax HT series inverters are designed exclusively for the conversion of the direct current generated by PV modules into alternating current which conforms to the param-eters of the public grid. Any other use, in particular the conversion of direct current from batteries or other storage elements into alternating current is not permissible.

Inverters of the HT series may only be used in combination with PV modules which comply with the IEC 61730 standard. Inverters of the HT series may only be connected to Class II PV generators.

The SM32HT2 may only be connected to a suitable generator connection box. It is not permitted to connect it directly to a PV generator.

22 Safety instructions

DANGER!Fatal electric shock hazard!In daylight the PV generator supplies the inverter with a dangerously high DC voltage.

Make sure that all electrical input conductors to the inverter are de-ener-gized before starting any work on the inverter or the input conductors.

DANGER!Fatal electric shock hazard!Components within the inverter are charged with a high voltage.

Never open the inverter while it is in operation.

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WARNING!A fire risk can result from inappropriate repair!

The inverter does not contain any replaceable components. Defective inverters must be sent to the SolarMax Service Center for repair or dis-posed of in accordance with Section 10.3.

23 Symbols on inverter

Symbol Description

+ − Positive or negative pole of input voltage (DC)

Risk of death from high voltages! Only qualified electricians may perform work on the inverter.

Careful - hot surfaces!

5 minRisk of death due to high voltages in the inverter! De-energize the inverter. Proceed to wait for 5 minutes before opening the inverter.

Only qualified electricians may perform work on the inverter.

Operating instructions - Please read and follow the instructions supplied with the inverter. Do not remove any symbols on the inverter. Replace any damaged symbols.

CE marking - The inverter complies with the requirements of the European EMC Directive 2004/108/EC and the Low Voltage Directive 2006/95/EC (see Section 11).GS marking - The inverter complies with the relevant requirements of the German Product Safety Act.

Do not dispose of the inverter and its accessory components in the household waste.

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3 Description

31 IdentificationThe inverter can be identified on the basis of the information provided on the nameplate (see Section 3.5).

32 Functionality

MPP tracker & grid connection

The inverter has 2 independent MPP trackers which can be used to connect strings with different characteristics, such as orientation, size and module type. Each MPP tracker can be fitted with one string as standard. The grid connection is a three-phase connection.

Automatic operation

Inverter operation is completely automatic and depends on the available output of the PV generator. If there is enough power, the inverter starts mains operation and feeds into the power grid. If there is not enough power available from the PV generator, the inverter disconnects from the grid and shuts down.

Operation

The graphics display with three function keys allows convenient inverter operation and reading of all important operating data. The graphics display is only switched on when the DC input voltage is high enough.

Remote monitoring

For the purpose of monitoring the PV plant remotely, Ethernet and RS485 interfaces are provided. The inverter can be directly connected to the internet via Ethernet (MaxView). The inverter is equipped with status signaling contacts for displaying the operating status remotely.

The inverter has two independent interfaces for monitoring external, potential-free sig-naling contacts.

Extended functions

The inverter has functions for grid monitoring, limitation of output and reactive power control. These can be configured with additional software.

Remote controlled output limitation and reactive power control can be achieved using the MaxWebxp and MaxRemote accessory components.

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Ventilation

The inverter is air cooled. Fans draw in the air through the air inlet on the right-hand side of the inverter. Then the air is conducted across the internal cooling elements. The air outlet is on the left-hand side of the inverter.

33 Safety installations

Surge protection

The inverter is fitted with surge arresters (varistors) at its input and output. Each MPP tracker (plus and minus connections) is equipped with a surge arrester. On the AC side, each mains phase has a surge arrester (for details on the surge arresters fitted, see Section 11).

When designing the PV system, it may be necessary to provide additional external light-ning protection.

Fault current monitoring

The inverter has an AC/DC sensitive leakage current sensor which monitors the stray currents occurring on the generator side. This sensor can distinguish between the oper-ational capacitive stray currents (caused by capacities of the PV modules to ground) and leakage currents (caused by touching a pole of the PV generator). If the inverter detects an excess in the permissible leakage or stray currents, it will disconnect from the grid.

Functions for current and output limitation

When it is needed, the inverter limits the DC feed-in current, the output power and the output current.

Temperature limitation

At ambient temperatures of more than 45°C the equipment temperature may reach more than 80°C. In such cases, the maximum in-feed power is temporarily reduced. When the equipment temperature rises above 85°C, the inverter disconnects from the grid.

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34 Dimensions

[mm

]

590

580

397

847

871

Figure 1 Dimensions (with wall mounting bracket)

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35 Views of the unit

23

54

1211

10

97

1

6

8

Figure 2 Views of the unit

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No Description1 Ventilation inlet2 AC cover3 Graphics display4 Type plate5 DC cover6 Safety brackets7 Wall mounting bracket8 Handles (for lifting the inverter)9 Ventilation outlet10 "AC mains" cable gland (AC input conductor)

11 "COMM" multiple cable gland (for communication cables)

12 Cable glands (DC terminals)

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36 Wiring diagramU

U

U

DC m

easu

rem

ent

DC m

easu

rem

ent

AC measurement AC measurement

Fan Fan

Inverter control Inverter control

Booster control Booster control

Inve

rter

LC

lter

LC

lter

Boos

ter 1

DCDC

AC

Inve

rter

DC

AC

K2

K5

K1

DC

DC

DC

Cont

rol u

nit M

PP tr

acke

r 1

Cont

rol u

nit M

PP tr

acke

r 2

Control unit MPP tracker 1

Control unit MPP tracker 2

Grap

hics

dis

play

DC input MPP tracker 1 DC input MPP tracker 2

AC output

EMC

lte

r

EMC

lte

r

EMC

lte

r

Stat

us s

igna

lling

con

tact

MPP

trac

ker 1

Stat

us s

igna

lling

con

tact

MPP

trac

ker 2

Communication module

K4K3

Boos

ter 2

Exte

rnal

shu

tdow

n

Ethe

rnet

RS48

5

SPD

Mon

itor

Exte

rnal

ala

rm 1

RS48

5

Figure 3 Wiring diagram

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4 Installation

41 Transporting and storing invertersMake sure that the ambient conditions during transportation and storage are within the specified limits (for details see Section 11). Only use the original packaging when shipping the inverter.

42 Lifting the inverterThe inverter is fitted with handles (Figure 2/Pos. 7), which can be used to lift the inverter from the packaging by hand.

CAUTION!Risk of injury - the inverter is heavy!The inverter weighs approx. 70 kg.

Do not mount the inverter without the help of a second person.

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43 Checking the delivery for completenessCheck the contents of the delivered package for completeness and possible damage. In the case of an inadequate delivery, please contact your dealer or the SolarMax Service Center.

Gerätedokumentation

SolarMax HT-Serie30HT4 / 32HT4 2

3

456

8

7

910111213

1

14

15

16

18

17

Figure 4 Content of delivery

No Quantity Description1 1 Inverter2 1 Instruction manual3 2 Safety brackets (for installation of inverter)4 1 6-pole connector (for connection of status signaling contacts)5 1 4-pole connector (RS485 connection) 6 1 3-pole connector (connection of external grid monitoring)7 2 2-pole connector

18

No Quantity Description8 6 Locking pins (for multiple cable gland) 9 1 M5 toothed washer (connection of second protective conductor) 10 1 M5 cable shoe (connection of second protective conductor)11 1 M5 circlip (connection of second protective conductor)12 1 M5 washer (connection of second protective conductor)13 1 M5 nut (connection of second protective conductor)14 8 10 x 50 wall plugs (mounting of inverter)15 8 M6 x 18 washers (mounting of inverter) 16 8 6 x 60 Torx pan head screws (mounting of inverter)17 4 Sealing inserts (for M20 cable glands)18 1 Mounting plate (mounting of inverter)

44 Selecting the installation location

DANGER!Fatal fire or explosion hazard!The inverter is an electrical device with heat generation and the possibility of sparking.

Install the inverter in an environment that is free of flammable gases and fluids.

Never install the inverter near combustible materials. The installation sub-strate must be non-combustible.

Follow the local fire safety regulations.


The installation substrate must have sufficient structural strength.

Location and installation conditions

The ambient conditions are specified in the specifications, see Section 11. Select a dry location protected from water and snow. Do not expose the inverter to direct sunlight. Install the inverter in an easily accessible location, so that maintenance work can be

carried out easily. When mounting the unit observe the following minimum distances:

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50

100

50

[cm]

5050 50

50

50

Figure 5 Minimum installation distances

Do not mount the inverter at an angle or on its side:

Figure 6 Unacceptable mounting positions

Appropriate cooling of the inverter can only take place when the ventilation openings on the sides are kept clear.

The ambient air around the inverter must be free from dust, salt and ammonium vapors.

The location must meet the requirements regarding emissions and freedom from electromagnetic interference.

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45 Mounting the inverterInstall the inverter to a vertical wall using the mounting plate. The mounting plate and the fixing material are included in the delivery.

Fixing the mounting plate

1. Use the mounting plate as a drilling template.2. Use a spirit level to align the mounting plate horizontally.3. Mark at least one hole for each pair of holes for drilling (example see Figure 8).

205

553

[mm]

226

574

23

25 25 25

23

89

226

230

12 x ø8.5

Figure 7 Dimensions of mounting plate

4. Drill the Ø10 x 60 mm holes.5. Fix the mounting plate.

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– Installation sequence: 10 x 50 wall plugs, mounting plate, M6 washers, 6 x 60 Torx pan head screws.

Figure 8 Installation sequence

Engage the inverter in the mounting plate

6. With the help of a second person, engage the inverter in the seats of the mounting plate:

Figure 9 Engaging the inverter in the mounting plate

22

Securing the inverter

7. Drill two Ø10 x 60 mm holes.8. Secure the inverter with the 2 safety brackets (included in the delivery).

– Installation sequence: 10 x 50 wall plugs, safety bracket, M6 washers, 6 x 60 Torx pan head screws.

Figure 10 Securing the inverter

Note

The safety brackets can also be fitted laterally.

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5 Electrical connectionThe inverter may only be installed by qualified electricians.

51 Removing the AC coverWhen the AC cover has been removed, the AC and communication terminals are accessible.

Procedure

1. De-energize the DC and AC supply cables to the inverter.2. Disconnect all control cables connected to the inverter (status relays, external grid

monitoring and shut-down).

DANGER!Fatal electric shock hazard!After the inverter has been disconnected, high residual voltages remain in the inverter for approx. 5 minutes.

Wait 5 minutes until the voltages inside the inverter have reduced before removing the AC cover and carrying out connection work.

3. Release the M6 hex socket head screws (Figure 11/No. 1) at the AC cover.4. Remove the AC cover (Figure 11/No. 2).

1

2

Figure 11 Removing the AC cover

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52 Removing the DC coverWhen the DC cover has been removed, the DC terminals are accessible.

Procedure

1. De-energize the DC and AC supply cables to the inverter.2. Disconnect all control cables connected to the inverter (status relays, external grid

monitoring and shut-down).


Wait 5 minutes until the voltages inside the inverter have reduced before removing the DC cover and carrying out connection work.

3. Release the M6 hex socket head screws (Figure 12/No. 1) at the DC cover.4. Remove the DC cover (Figure 12/No. 2).

1

2

Figure 12 Removing the DC cover

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53 Connection areaAll terminals are inside the inverter and are accessed via the respective cover.

531 AC and communication terminalsThe AC and communication terminals with the cable pass-throughs are illustrated in Figure 13.

4

3

6

5

7

2

10

89

1

Figure 13 Connection area

No Description1 RS485 (plug-in terminal) 2 Ethernet and RS485 communication sockets (RJ45)

3 Terminals for external signaling contacts

4 Status signaling contacts (plug-in terminal)5 External shutdown (plug-in terminal) 6 AC terminals (screw terminals)

7 M5 threaded “PE” bolt for the connection of the second protective conductor (optional)

8 “AC mains” M40 cable gland for the AC input conductor

9 “COMM” multiple cable gland for communication cables (network connections, status signaling contacts, external shutdown)

10 Cable grips for restraining the cable (for the communication cables)

26

532 DC terminalsThe DC terminals with the cable pass-throughs are illustrated in Figure 14.

−DC

2+

DC2

+DC

1−

DC1

3

4

1

2

Figure 14 DC terminals

No Description1 DC connection - MPP tracker 12 DC connection - MPP tracker 23 Lugs for cable strain relief with cable ties

4 M20 cable pass-through elements (4x)

54 Connecting the inverter to the mains

DANGER!Fatal electric shock hazard!

Make sure the AC input conductor is not live during connection work.

Connection conditions

Comply with the connection conditions set by the grid operator. M20 cable glands; suitable for cable Ø: 6 to 15 mm Connection type: screw terminals (UWV 25) Permissible conductor cross sections:

– flexible conductor (with or without conductor sleeve): max. 25 mm2

– rigid conductors: max. 35 mm2

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The protective conductor of the AC input conductor should be cut at least 30 mm longer than the other conductors.

The AC input conductor must be fused. Minimum conductor cross sections and sug-gested mains fuses:

Minimum conductor cross sections 32HT2Phases L1, L2, L3 10 mm2

Neutral conductor N 4 mm2

Protective conductor PE 10 mm2

Recommended mains fuses 32HT2Nominal current 63 ACharacteristics C

Make sure the ambient temperatures for the mains fuses specified by the producer are not exceeded.

WARNING!Fatal fire risk!

Provide separate fuses for each inverter. Do not connect any loads between the inverter and the mains fuse.

If you use external residual current devices (RCDs), use the type B RCDs with a nom-inal fault current of 100 mA. For PV plants with large stray current capacities, the RCDs to be used should have a nominal fault current capacity of 300 mA.

Procedure

1. Remove the cover of the inverter as described in section 5.1.2. Thread the AC input conductor through the cable gland.3. Cut back the insulation of the conductor by 19 mm.4. Connect the wires in the following sequence:

– the protective conductor to the "PE" terminal – the neutral conductor to the "N" terminal – the mains phases to the terminals "L1", "L2", and "L3". – Tightening torque: 4 to 4.5 Nm

28

L2 L3 PE

4 … 4.5 Nm

No. 4 (M5)

NL1

19 mm

Figure 15 AC connection

5. Check the cable connections for firm seating.6. Tighten the M40 cable gland.7. Check the cable strain relief.8. Connect the second protective conductor (optional):

– Installation sequence (see Figure 16): M5 toothed washer (No. 1), cable shoe (No. 2), M5 washer (No. 3), M5 circlip (No. 4), M5 lock nut (No. 5);

– all fixing elements are included in the delivery.

1

2

345

Figure 16 Connecting the second protective conductor (optional)

9. Close the inverter by tightening the cover.

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55 Connecting the inverter to the generator connection boxThe inverter must be connected to a generator connection box fitted with a DC discon-nector and string fuses. This is necessary to disconnect the inverter completely from the PV generator when required and to limit the return current in the strings. Suitable gener-ator connection boxes can be purchased from SolarMax (see Section 12).

DC+ (1)

DC+ (2)

DC+ (n)

DC1–

DC1+

3

………

DC– (1)

DC– (2)

DC– (n)

DC+ (1)

DC+ (2)

DC+ (n)

DC– (1)

DC– (2)

DC– (n)

……

…

DC2–

DC2+

1 2 3 4 6 75

Figure 17 Connection to generator connection box

No Description1 Strings (PV generator)2 Generator connection box (e.g. SolarMax Art. No. 10 006 826 or Art. No. 10 006 825)3 String fuses (all-pole)4 DC disconnector (all-pole)5 Max. 2 collecting mains6 Inverter SM32HT27 AC disconnection device

30

Specifications of generator connection box

All-pole DC disconnector (PV+ and PV–) for disconnecting the inverter completely from the PV generator

String fuses for securing the strings separately Max. string voltage: 1 000 V Terminals for 2 collecting mains Max. collecting current (per collecting mains): 36 A Max. short-circuit current (per collecting mains): 54 A When selecting the generator connection box, the country-specific requirements

must be taken into account. Install the generator connection box in a place protected from the weather, with the

cable glands facing downwards.

Connection conditions for the inverter

M20 cable glands; suitable for cable Ø: 6 to 15 mm Connection type: screw terminals (UWV 25) Permissible conductor cross-sections:

– flexible conductor (with or without conductor sleeve): max. 25 mm2

– rigid conductors: max. 35 mm2

Maximum DC input current per MPP tracker: 36 A

DANGER!Risk of death by fire!High return currents can cause a fire risk for the PV generator.

Secure each string individually against dangerous return currents by using a generator connection box with string fuses.

Maximum DC input voltage: 1 000 V Select the conductor cross-section to suit the system configuration. Parallel connection of the MPP trackers is not permitted: Do not fit a ground connection to either the negative terminal or the positive terminal

of the PV generator.

DANGER!Fatal electric shock hazard!

It is imperative to ensure that the DC conductor is not live during connec-tion work.

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Procedure

1. Remove the DC cover of the inverter as described in Section 5.2.2. Thread the DC conductors (i.e. the collecting mains of the generator connection box)

through the cable glands.3. Cut back the insulation of the conductor by 19 mm.4. Connect the wires:

– Ensure the right polarity of the conductors – Tightening torque: 4 … 4.5 Nm

4 … 4.5 Nm

No. 4 (M5)

19 mm

−DC

1+

DC1

+DC

2−

DC2

Figure 18 DC connection

5. Check the cable connections for firm seating.6. Tighten the M20 cable glands (wrench size: 27 mm).7. Check the cable strain relief.8. Close the inverter by tightening the DC cover.

32

56 Network connections (optional)The inverter has one Ethernet and three RS485 interfaces. These can be used to connect the inverter to the internet, a MaxComm network or other networks. The RS485 inter-faces are connected in parallel inside the unit. The connection can be made with RJ45 plug connectors or screw terminals.

12

3

4

AGND15 V

B

Figure 19 Network connections

No Description1 RJ45 socket RS485 2 RS485 plug connection

B Bus B15 V 15 V network inputGND Network input ground connectionA Bus A

3 RJ45 socket RS4854 RJ45 socket Ethernet

Note

You will find further details about data communication in the technical infor-mation "MaxComm network". You can download this document from our web-site at: www.solarmax.com; Downloads/Data Communication/MaxComm.


Connection types: 3 x RJ45 sockets / 4-pole plug (included in the delivery) Suitable conductor cross sections (plug connector): 0.25 to 2.5 mm2

Multiple cable gland; usable cable Ø: 5.5 to 7.0 mm You should use shielded network cables (cat. 5)

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Procedure

1. Remove the AC cover of the inverter as described in section 5.1.2. Thread the network cables through the multiple cable gland.

Note

The RJ45 connectors can be pulled through the multiple cable gland.

3. Plug the network cables into the RJ45 sockets (Figure 20/No.1) and check that the connection is locked.

4. RS485 terminal connection (Figure 20/No.2): connect the RS485 network cable as follows:

– Wire stripping length: 7 mm – Tightening torque: 0.5 to 0.6 Nm

0.5 … 0.6 Nm

No. 2 (M3)

7 mm3

2

1

Figure 20 Network connection

5. Use cable ties to attach the cables to the housing grips (Figure 20/No. 3).6. Close off the unused apertures in the multiple cable glands using the locking pins (No.

8 in Section 4.3).7. Tighten the multiple cable gland (wrench size: 34 mm).8. Fit the AC cover of the inverter.

57 Connecting status signaling contacts (optional)The configurable status signaling contacts are used for the remote monitoring of the inverter. Both power units (MPP tracker 1 and MPP tracker 2) can be monitored individu-ally using a status signaling contact. When the external deactivation is used (see Section 5.8) the status signaling contacts cannot be used.

34

The status signaling contacts can be configured, see Section 6.3.4.

COM1NC1

NO1NC2COM2NO2

Figure 21 Status signaling contacts

Status signaling contact MPP tracker 1NC1 Opens in the case of an errorCOM1 Common 1NO1 Closes in the case of an errorStatus signaling contact MPP tracker 2NC2 Opens in the case of an errorCOM2 Common 2NO2 Closes in the case of an error


Connection type: 6-pole connector (included in the delivery) Connectable conductor cross sections: min. 0.25 mm2 / max. 2.5 mm2

Multiple cable gland; usable cable Ø: 5.5 to 7.0 mm Max. switching voltage: 250 VAC / 30 VDC

Max. switching current: 1.5 A (no internal fuse present) Max. cable length: max. 50 m

Procedure

1. Remove the AC cover of the inverter as described in section 5.1.2. Thread the cable through the multiple cable gland.3. Connect the control lines to the 6-pole connector (Figure 22/No. 1) as follows:


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0.5 … 0.6 Nm

No. 2 (M3)

7 mm

12

3

Figure 22 Connecting the status signaling contacts

4. Plug in the 6-pole connector.5. Plug in the 3-pole connector (Figure 22/No.2) in order to cover the open contacts.6. Use cable ties to fasten the cables to the housing grips (Figure 22/No. 3).7. Close off any unused apertures in the multiple cable gland using the locking pins (see

No. 8 in Section 4.3).8. Tighten the multiple cable gland (wrench size: 34 mm).9. Fit the AC cover of the inverter.

58 External shutdown (optional)This interface can be used to connect the inverter to an external grid monitoring system which can disconnect the inverter from the mains grid from a remote location when this is needed.

NA21NA22NA1

Figure 23 External shutdown terminals

36

Contact DescriptionNA21 Control line terminal / external shutdown of MPP tracker 1NA22 Control line terminal / external shutdown of MPP tracker 2NA1 Neutral conductor terminal

For as long as the signal (phase voltage) of the external grid monitoring system is live on the NA21 / NA22 contacts, the respective MPP trackers can feed into the mains grid. When the signal stops, the K1/K2 or K3/K4 (see Section 3.6) grid relays of the inverter are opened. This immediately disconnects the inverter from the grid.

The control line of the external grid monitoring system should be connected to the two contacts, NA21 and NA22, using a bridge. When only one contact is connected, only that one MPP tracker will feed into the grid. When the status signaling contacts are in use (see Section 5.7) the external shutdown function cannot be used.


Connection type: 3-pole connector (included in the delivery) Permissible conductor cross sections: 0.25 to 2.5 mm2

Multiple cable gland; permissible cable Ø: 5.5 to 7.0 mm Nominal input voltage 230 VAC

Procedure

1. Remove the AC cover of the inverter as described in Section 5.1.

WARNING!Fatal electric shock hazard!The control line of the thermal grid monitoring system may be live with mains voltage.

Ensure that the control line is not live during connection work.

2. Thread the cable through the multiple cable gland.3. Connect the control line to the 3-pole connector (Figure 24/No. 2) as follows:


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0.5 … 0.6 Nm

No. 2 (M3)

7 mm4

23

1

Figure 24 Connecting the external shutdown

4. Plug in the 3-pole connector.5. Plug in the 6-pole connector (Figure 24/No. 1) in order to cover the open contacts.6. Check that the NA21 and NA22 contacts are bridged (Figure 24/No. 3).7. Use cable ties to attach the cables to the housing grips (Figure 24/No. 4).8. Close the unused apertures in the multiple cable gland using the locking pins (No. 8

in Section 4.3).9. Tighten the multiple cable gland (wrench size: 34 mm).10. Fit the AC cover of the inverter.

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59 Connecting external signaling contacts (optional)The inverter has two independent interfaces for monitoring external signaling contacts. They can be used to monitor components of the PV power plant such as the surge arrester, for example. The status of the respective interface is displayed as warning.

The monitoring of the signaling contacts can be activated at the graphics display of the inverter (see Section 6.3.5) or using MaxTalk 2.

1

2

1

2

X510

X501

Figure 25 Connection for external signaling contacts

Interface Contact DescriptionX501 1 "SPD monitor" signaling contact (normally closed contact

potential-free)2 COM

X510 1 "External alarm 1" signaling contact (normally closed contact potential-free)

2 COM


Connection type: 2-pole connector (included in the delivery) Connectable conductor cross-sections: min. 0.25 mm2 / max. 2.5 mm2

Multiple cable pass-through; suitable cable Ø: 5.5 … 7.0 mm Do not connect any external power sources.

Procedure

1. Remove the AC cover of the inverter as described in Section 5.1.2. Thread the cable through the multiple cable gland.3. Connect the signaling contact to the 2-pole connector (Figure 26/No. 1) as follows:

– Wire stripping length: 7 mm – Tightening torque: 0.5 … 0.6 Nm

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0.5 … 0.6 Nm

No. 2 (M3)

7 mm

12

3

1

Figure 26 Connecting external signaling contacts

4. Plug in the 2-pole connector.5. Connect the second signaling contact, if present (steps 3 and 4).6. Insert the remaining plug connectors in order to cover the open contacts (Figure 26/

No. 2).7. Use cable ties to attach the cables to the housing grips (Figure 26/No. 3).8. Close the unused apertures in the multiple cable gland using the locking pins (No. 8

in Section 4.3).9. Tighten the multiple cable gland (wrench size: 34 mm).10. Fit the AC cover of the inverter.

510 External output control (optional)The MaxWebxp data logger and its MaxRemote extension can be used to set the set values for active and reactive power (e.g. for remote controlled output limitation). The MaxWeb xp is connected via the Ethernet or via the inverter's RS485 interfaces (see Sec-tion 5.6), i.e. via a MaxComm network.

You can download the installation instructions for the MaxWebxp and MaxRemote acces-sory components from our website: www.solarmax.com; Downloads / Data communica-tion / MaxWebxp.

40

6 Commissioning

61 Activating the inverterSwitch the inverter on by switching the DC disconnector of the generator connection box ON. The graphics display and the communication functions of the inverter are activated.

Procedure

1. Ensure that the AC and DC covers of the inverter are fitted.2. Switch the DC disconnector of the generator connection box ON.

– When the input power is sufficient, the graphics display will show the “Overview”.3. Switch the AC conductor to the inverter ON (external AC switch).

– The “Start-up” status message is shown.4. Wait for the “Mains operation” status message to be displayed.

– This indicates that the inverter is in mains operation. – During initial start-up of the inverter, instead of the “Overview” menu, an “Initial setup” menu appears (see Section 6.2).

62 Initial start-upThis section describes the initial start-up of the inverter and the graphics display set-tings required for this purpose. Once initial start-up has been successfully completed, the inverter will start feeding into the mains grid.

The initial start-up should be carried out by qualified electricians only. The operation of the graphics display is described in Section 7.

621 Requirements The inverter has been installed and the electricity has been connected. The inverter's AC and DC cover have been fitted. There is sufficient solar irradiation (sufficiently high DC input voltage).

Note

Entering an incorrect country setting may lead to problems regarding inverter operation and to the withdrawal of the operating license by the respective grid operator.

Contact your grid operator or the SolarMax Service Center if you have any doubt regarding the settings you must select.

You can restart initial start-up by pressing in the "Confirmation" menu at any time.

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622 Procedure1. Switch on the inverter as described in Section 6.1. The "Initial setup" menu will be

displayed:

Figure 27 Selecting the display language and updating the system time

2. Select the display language from the "Language" menu.3. If necessary, update the time and the date.

– The inverter saves the date entered as the initial start-up date.4. Press on to confirm the entries.

– The "Country" menu will be displayed:

Figure 28 Selecting the country setting

5. Select the country setting. – Press to confirm your entry. – Depending on the country setting selected, additional menus may be displayed (see Section 6.2.3).

– The "Confirmation" menu is then displayed.6. Check the data in the "Confirmation" menu.7. To complete initial start-up, press .

– The main menu will then be displayed (see Section 7.4).

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623 Country-specific menusDepending on the country setting, additional menus will be displayed during initial start-up.

Country: DenmarkMenu Setting DescriptionPlant system rating > 13.8 kVA – 30 kVA* The plant system rating is higher than 13.8

kVA and does not exceed 30 kVA.> 30 kVA The plant system rating is higher than 30

kVA. External grid monitoring will be used.CosPhi(Pac) - QMCPP Inactive The "cosφ(Pac)" function is deactivated

(cosφ=1).

On The "cosφ(Pac)" function is activated.* only available with the SM30HT4

Country: GermanyMenu Setting DescriptionGrid connection Medium voltage The inverter is connected to the medi-

um-voltage mains.Low voltage The inverter is connected to the low-voltage

mains.System power* > 13.8 kVA – 30 kVA** The plant system rating is higher than 13.8

kVA and does not exceed 30 kVA.> 30 kVA The plant system rating is higher than 30

kVA. External grid monitoring will be used.CosPhi(Pac) - QMCPP* Inactive The "cosφ(Pac)" function is deactivated

(cosφ=1).

On The "cosφ(Pac)" function is activated.* only available with "Low-voltage" grid connection** only available with the SM30HT4

Country: LuxembourgMenu Setting DescriptionSystem power > 13.8 kVA – 30 kVA* The plant system rating is higher than 13.8 kVA

and does not exceed 30 kVA.> 30 kVA The plant system rating is higher than 30 kVA.

External grid monitoring will be used.CosPhi(Pac) - QMCPP Inactive The "cosφ(Pac)" function is deactivated

(cosφ=1).

On The "cosφ(Pac)" function is activated.* only available with the SM30HT4

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63 SettingsDifferent communication parameters and monitoring functions can be set in the "Set-tings" menu of the graphics display. All settings except the IP mode can also be made using the MaxTalk service software.

631 Changing parametersThe parameters in the "Settings" menu can be changed as follows:

1. In the Main Menu select the "Settings" menu.

Figure 29 "Settings" menu

2. Press to select the parameter (e.g. "Time").3. Press to change to the editing mode.4. Press to select the required number.

Figure 30 Selecting the number and changing the value

5. Press to increase the value of the selected number. 6. Press to select the next number.7. Press to confirm the parameter value. 8. Press to return to the Main Menu.

44

632 Setting the display language and system timeThe inverter's display language and system time can be changed in the "Settings" menu.

1. Select the "Settings" menu:

Figure 31 Changing the display language and system time

2. Select the parameter and update it:

Parameter DescriptionLanguage Selection of the display language: German, English, French, Italian

or Spanish. The display language can be selected independent of the country setting.

Time Date and system time of the inverterDate

3. Press to return to the Main Menu.

633 Setting the network parametersThe network parameters can be assigned in the "Settings" menu.

Note

Please take note of the information relating to MaxComm compatibility in Sec-tion 11.3.

Device addressIn order to communicate via an RS485 or Ethernet interface, the inverter needs a unique device address on the network.

1. In the "Settings" menu, select the "Device address" parameter.2. Set the parameter to the required value:

Parameter DescriptionDevice address Address range: 1 to 249

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Configuring the Ethernet interface

In addition to the device address, the following settings must be made to communicate via Ethernet:

1. In the Main Menu select the "Network" menu.2. In the "IP mode", select the required setting:

Setting DescriptionDHCP client The inverter is a DHCP client and is connected to a network with

DHCP server (factory setting).Static The inverter is connected to a network with static IP addresses.

3. If appropriate, configure the following parameters. These settings are only required in "Static" IP mode (see step 2):

Parameter Description Value rangeIP IP address 192.168.1.123*

Gateway Gateway of inverter 192.168.1.1*TCP port TCP port of inverter 12345*DNS1 Domain name server 1 192.168.1.1*DNS2 Domain name server 2 192.168.1.1*Netmask Subnet mask 255.255.255.0** Factory settings

5. Check whether the Ethernet connection indicator appears on the graphics display (see Section 7.1).

634 Configuring the status signaling contactsThe device mode and delay time can be configured.

Procedure

1. In the "Settings" menu, select the "Status relay" parameter.2. Make the required setting:

Setting DescriptionOff The status signaling contacts are always open.

Grid When the inverter starts mains operation, the status signaling contacts close and remain closed for as long as the inverter feeds into the grid. When a power unit (MPP tracker 1 or MPP tracker 2) is disconnected from the grid, the respective status signaling contact opens after an adjustable delay time.

46

Setting DescriptionError When a warning, a failure or a device error occurs at a power unit

(MPP tracker 1 or MPP tracker 2) (error messages, see Section 8.2), the respective status signaling contact closes after the expiry of the adjustable delay time. The status signaling contact opens when the error has been eliminated (factory setting).

On When a power unit (MPP tracker 1 or MPP tracker 2) switches on when the DC input voltage is sufficiently high, the respectie status signaling contact closes. The status signaling contact opens when the power unit switches off due to insufficient DC input voltage.

3. Select the "Status relay delay" parameter.4. Adjust the required delay time for the status signaling contacts:

Parameter Description Value range UnitStatus relay delay Delay time of status signaling contact 0 to 99 min

635 Activating the monitoring of external signaling contactsThe two interfaces for monitoring the external signaling contacts can be activated inde-pendent of each other.

Note

There is a difference in the warning messages of the two interfaces (see Sec-tion 8.2.2).

Procedure

1. Select the “Settings” menu.2. Select “SPD monitor” or “External alarm 1”.3. Activate / deactivate the selected interface:

Setting DescriptionOn The monitoring of the signaling contact is activated.Off The monitoring of the signaling contact is deactivated (factory

setting).

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64 Displaying the configurationAll available operating parameters, standard-specific functions and their parameteriza-tion can be retrieved in the "Configuration" menu. Configuration of the standard-specific functions depends on the country setting selected.

Note

The MaxTalk 2 Pro service and communication software makes it possible for authorized personnel to individually adjust the operating parameters (see Section 12).

Procedure

1. In the Main Menu, select the "Configuration" menu.

Figure 32 "Configuration" menu

2. Press to select the parameter:

Entry DescriptionCountry Country setting selected at the time of initial start-up.Grid Grid connection selected during initial start-up (only available

with “Germany” country setting).System power Plant rating selected at initial start-up (only available with

"Denmark", "Germany" and " Luxembourg" country settings).SSF Menu of standard-specific functions and parameters

– The "SSF" menu contans the following sub-menus.

Menu DescriptionExternal input Display of external control functions (external shutdown and

external output control).Inverter start-up Those functions are displayed which are active before the

inverter is connected to the grid (start conditions).Grid operation Those functions are displayed which are active during the

inverter's grid operation (grid monitoring).Limitation Those functions are displayed which limit the inverter's output

values, such as active and reactive power and output current (output limitation).

48

Menu DescriptionReactive power Those functions are displayed that have an impact on the

reactive power taken up or given out by the inverter (reactive power control).

Reference parameters Display of nominal values and reference values.

3. Press to confirm the selection. – Section 6.4.1 contains the description of the SSF functions and parameters.


641 Description of extended functions and parametersThis section contains the description of the functions and parameters available from the "SSF" menu.

External input

Functions and parameters of the "External input" sub-menu:

Function / parameter Description Unit / statusEISD Monitoring the NA21, NA22 and NA1 inputs of the

external shutdown.-

EISD-ENA EISD function status Disabled/enabled

Inverter start-up

Functions and parameters of the "Inverter start-up" sub-menu:

Function / parameter Description Unit / statusPVGIT Checking the insulation resistance of the PV gener-

ator to ground-

PVGIT-ENA PVGIT function status Disabled/enabledPVGIT-THR Minimum permissible insulation resistance ΩRCMUT Checking the integrated fault current monitoring -RCMUT-ENA RCMUT function status Disabled/enabledIST Checking the grid relayIST-ENA IST function status Disabled/enabledGPT Checking the grid parameters -GPT-ENA GPT function status Disabled/enabledGPT-MOT Duration of check s GPTVMIN Checking the minimum mains voltage - GPTVMIN-ENA Function status of GPTVMIN Disabled/enabled GPTVMIN-THR Minimum permissible mains voltage V GPTVMIN-DLY Trip time s GPTVMAX Checking the maximum mains voltage -

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49

Function / parameter Description Unit / status GPTVMAX-ENA Function status of GPTVMAX Disabled/enabled GPTVMAX-THR Maximum permissible mains voltage V GPTVMAX-DLY Trip time s GPTFMIN Checking the minimum mains frequency - GPTFMIN-ENA Function status of GPTFMIN Disabled/enabled GPTFMIN-THR Minimum permissible mains frequency Hz GPTFMIN-DLY Trip time s GPTFMAX Checking the maximum mains frequency - GPTFMAX-ENA Function status of GPTFMAX Disabled/enabled GPTFMAX-THR Maximum permissible mains frequency Hz GPTFMAX-DLY Trip time s

Grid operation

Functions and parameters of the "Grid operation" sub-menu:

Function / parameter Description Unit / statusGVMMIN1 Checking the minimum permissible mains voltage

(limit 1)-

GVMMIN1-ENA GVMMIN1 function status Disabled/enabledGVMMIN1-THR Limit value VGVMMIN1-DLY Trip time sGVMMAX1 Checking the maximum permissible mains voltage

(limit 1)-

GVMMAX1-ENA GVMMAX1 function status Disabled/enabledGVMMAX1-THR Limit value VGVMMAX1-DLY Trip time sGVMMIN2 Checking the minimum permissible mains voltage

(limit 2)-

GVMMIN2-ENA GVMMIN2 function status Disabled/enabledGVMMIN2-THR Limit value VGVMMIN2-DLY Trip time sGVMMAX2 Checking the maximum permissible mains voltage

(limit 2)-

GVMMAX2-ENA GVMMAX2 function status Disabled/enabledGVMMAX2-THR Limit value VGVMMAX2-DLY Trip time sGVM10AMAX Checking the maximum permissible average value

for mains voltage over the last 10 minutesV

GVM10AMAX-ENA GVM10AMAX function status Disabled/enabledGVM10AMAX-THR Limit value VGVM10AMAX-DLY Trip time s

50

Function / parameter Description Unit / statusGVMT Monitoring for unacceptably high peaks in the

mains voltage. -

GVMT-ENA GVMT function status Disabled/enabledGFMMIN1 Checking the minimum permissible mains fre-

quency (limit 1)-

GFMMIN1-ENA GFMMIN1 function status Disabled/enabledGFMMIN1-THR Limit value HzGFMMIN1-DLY Trip time sGFMMAX1 Checking the maximum permissible mains fre-

quency (limit 1)-

GFMMAX1-ENA GFMMAX1 function status Disabled/enabledGFMMAX1-THR Limit value HzGFMMAX1-DLY Trip time sGFMMIN2 Checking the minimum permissible mains fre-

quency (limit 2)-

GFMMIN2-ENA GFMMIN2 function status Disabled/enabledGFMMIN2-THR Limit value HzGFMMIN2-DLY Trip time sGFMMAX2 Checking the maximum permissible mains fre-

quency (limit 2)-

GFMMAX2-ENA GFMMAX2 function status Disabled/enabledGFMMAX2-THR Limit value HzGFMMAX2-DLY Trip time sAIS Detection of island operation -AIS-ENA AIS function status Disabled/enabledAIS-DLY Trip time sRBCM Monitoring the continuous leakage current -RBCM-ENA RBCM function status Disabled/enabledRBCM-THR Maximum permissible leakage current ARSCM Monitoring the leakage current step value -RSCM-ENA RSCM function status Disabled/enabledDCCIM Monitoring the DC component in the AC current -DCCIM-ENA DCCIM function status Disabled/enabledDCCIM-THR Maximum permissible DC component in AC current ADCCIM-DLY Trip time s

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51

Limitation

Functions and parameters of the "Limitation" sub-menu:

Function / parameter Description Unit / statusACPPL Maximum increase in the active power during grid

connection-

ACPPL-ENA ACPPL function status Disabled/enabledACPPL-MGDT Increase % of Pac nom/

minACPPL-INI ACPPL at every start-up Disabled/enabledACPPL-RCN ACPPL at start-up after grid disconnection caused

by coupler breakerDisabled/enabled

ACPL Limitation of active output power -ACPL-LMT Limit value WAPPL Limitation of the apparent power -APPL-LMT Limit value VAOCL Limitation of the output current -OCL-LMT Limit value APUL Active power limitation depending on mains voltage -PUL-ENA PUL function status Disabled/enabledPUL-AVGMOT Average check duration sPUL-VTHR Limit value VPUL-RDN Reduction of active power % of Pac nom/

minPUL-RNC Increase to rated output power % of Pac nom/

minPFLM2 P(f) mode 2 -PFLM2-STRTFQ Start frequency HzPFLM2-RDN Reduction of active power % of PM/HzPFLM2-RNC Increase to rated output power % of Pac nom/

minPFLM3 P(f) mode 3 -PFLM3-STRTFQ Start frequency HzPFLM3-RDN Reduction of active power % of PM/HzPFLM3-RNC Increase to rated output power % of Pac nom/

minPFLM3-UFQTHR Maximum permissible mains frequency HzPFLM3-LFQTHR Minimum permissible mains frequency HzPFLM3-UVTHR Maximum permissible mains voltage VPFLM3-LVTHR Minimum permissible mains voltage VPFLM3-MOT Duration of check sPFLM4 P(f) mode 4 -PFLM4-STRTFQ Start frequency Hz

52

Function / parameter Description Unit / statusPFLM4-RDN Reduction of active power % of PM/HzPFLM4-RNC Increase to rated output power % of Pac nom/

minPFLM4-UFQTHR Maximum permissible mains frequency HzPFLM4-LFQTHR Minimum permissible mains frequency HzPFLM4-UVTHR Maximum permissible mains voltage VPFLM4-LVTHR Minimum permissible mains voltage VPFLM4-MOT Duration of check s

Reactive power

Functions and parameters of the "Reactive power" sub-menu:

Function / parameter Description Unit / statusQMO-AM Reactive power control 0=OFF

QMCQ Reactive power mode "Q" (fixed reactive power) -QMCQ-QSV Reactive power value % of Pac nom

[OEX/UEX]QMCQ-VLE Status of the voltage-dependent reactive power

control hysteresis for QMCQDisabled/enabled

QMCQ-VLI Mains voltage switch on value VQMCQ-VLO Mains voltage switch off value VQMCQ-PLE Status of the active power-dependent reactive

power control hysteresis for QMCQDisabled/enabled

QMCQ-PLI Active power switch on value W

QMCQ-PLO Active power switch off value WQMCPP Reactive power mode "cosφ(Pac)" -

QMCPP-PSP1 to PSP10

Characteristic values 1 to 10 of Pac active power % of Pac nom

QMCPP-CPSP1 to CPSP10

Characteristic values 1 to 10 of power factor cosφ - [UEX/OEX]

QMCPP-VLE Status of mains voltage-dependent reactive power control hysteresis for QMCPP

Disabled/enabled

QMCPP-VLI Mains voltage switch on value VQMCPP-VLO Mains voltage switch off value VQMQU1 Reactive power mode "Q(Vac) mode 1" -QMQU1-VSP1 to VSP10 Characteristic values 1 to 10 of mains voltage (Vac) VQMQU1-CPSP1 to CPSP10

Characteristic values 1 to 10 of reactive power Q % of Pac nom [UEX/OEX]

QMQU1_DLY Delay time when mains voltage (Vac) changes sQMQU1-VLE Status of active power-dependent reactive power

control hysteresis for QMQU1Disabled/enabled

QMQU1-VLI Active power switch on value % of Pac nom

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53

Function / parameter Description Unit / statusQMQU1-VLO Active power switch off value % of Pac nomQMQU2 Reactive power mode "Q(Vac) mode 2" -QMQU2-UPQ Upper reactive power value (OEX) % of Pac nomQMQU2-LOQ Lower reactive power value (UEX) % of Pac nomQMQU2-UPVLI Mains voltage switch on value for QMQU2-UPQ VQMQU2-UPVLO Mains voltage switch off value for QMQU2-UPQ VQMQU2-LOVLI Mains voltage switch on value for QMQU2-LOQ VQMQU2-LOVLO Mains voltage switch off value for QMQU2-LOQ VQMQU2-PLE Status of active power-dependent reactive power

control hysteresis for QMQU2Disabled/enabled

QMQU2-PLI Active power switch on value % of Pac nomQMQU2-PLO Active power switch off value % of Pac nomQMCCP Reactive power mode "cosφ" -

QMCCP-CPSV cosφ value - [UEX/OEX]

QMCCP-VLE Status of mains voltage-dependent reactive power control hysteresis for QMCCP

Disabled/enabled

QMCCP-VLIH Mains voltage switch on value VQMCCP-VLOL Mains voltage switch off value VQMCCP-PLE Status of active power-dependent reactive power

control hysteresis for QMCCP-

QMCCP-PLI Active power switch on value WQMCCP-PLO Active power switch off value W

Grid stabilization

Functions and parameters of the "Grid stabilization" sub-menu:

Function / parameter Description UnitFRT Fault Ride-Through function -

FRT-ENA FRT function status Disabled/enabled

FRT-TRV Mains voltage trip value VFRT-RCM Reactive power mode -FRT-KF K factor -FRT-TM1 Timer 1 sFRT-TM2 Timer 2 s

Reference parameters

Functions and parameters of the "Reference parameters" sub-menu:

Function / parameter Description UnitNAP Rated output power (Pac nom) -

NAP-VAL Value W

54

Function / parameter Description UnitNOC Rated output current -NOC-VAL Value AGCD Coupler breaker switch delay -GCD-CDLY Trip time s

65 Displaying measured valuesThe current measured values of the inverter can be accessed in the “Measured values” menu.

1. In the Main Menu, select the "Measured values" menu.

Figure 33 "Measured values" menu

2. Select a menu item:

Menu item DescriptionSystem Measured values

Power Unit 1 Measured values of MPP tracker 1

Power Unit 2 Measured values of MPP tracker 2

3. Press or to scroll through the measured values: – Measured values under "System":

Measured value Description UnitVac L1, Vac L2, Vac L3

Phase voltage L1, L2 and L3 V

Iac L1, Iac L2, Iac L3

Output current L1, L2 and L3 A

Pac Output power W

S Apparent power VA

Q Reactive power (+: overexcited / −: underexcited) var

cosφ Power factor (OEX: overexcited / UEX: underexcited) -

Frequency Mains frequency Hz

– Measured values under "Power unit 1":

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Measured value Description UnitVdc1 Input voltage at MPP tracker 1 V

Idc1 Input current at MPP tracker 1 A

Pdc Input power of MPP tracker 1 W

Temperature Cooling element temperature of MPP tracker 1 °C

– Measured values under "Power unit 2":

Measured value Description UnitVdc2 Input voltage at MPP tracker 2 V

Idc2 Input current at MPP tracker 2 A

Pdc Input power of MPP tracker 2 W

Temperature Cooling element temperature of MPP tracker 2 °C


Note

The measured inverter values are not suitable for billing purposes or calcu-lating the efficiency. The measuring error may amount to up to ±5% depending on the measured value. Only the measured values of a calibrated electricity meter can be relied upon for billing purposes.

MaxTalk measured values

The MaxTalk 2 service software can be used to display, in addition, the following mea-sured values of the inverter:

Measured value Description UnitVac 10 min 10 minute mean value of the mains voltage VIac mean Mean value of output current AIerr Effective value of leakage current mAIerr DC Direct current component of leakage current mA

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66 Registering for MaxViewRegister for the free web-based MaxView application. As well as facilitating an optimum after-sales service, MaxView enables you to display and graphically visualize the yield data of your PV power plant from anywhere.

Note

Frequently asked questions about MaxView and the replies to these can be found on our website at https://maxview.solarmax.com/faq.xhtml.

Procedure

1. Connect the inverter to the internet via the Ethernet interface (see Sections 5.6 and 6.3.3).

2. Enter your registration data in a web browser under https://maxview.solarmax.com.3. Learn about the various functions of MaxView.

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7 Operation

71 Graphics displayThe graphics display shows the system values, status information, and the inverter’s failure messages. The graphics display can be used to obtain information on the current operating status, accessing the integrated data logger and entering various settings on the inverter.

1

2

3

45

Figure 34 Graphics display with the standard "Overview" display

No Description1 Graphics display with backlighting2 Status LED: operating status display (see Section 7.7)

3 Function keys (membrane keys)

4 Symbol for Ethernet connection (link display)

5 Symbol for data communication

The function keys can be used for navigating within the menu structure:

Symbol DescriptionSelect menu or parameter

Edit parameter

Highlight number (parameter editing)

Increase highlighted number / select menu or parameter

Confirm

Cancel

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72 Menu structure

Main menu

Overview

Statistics

Status

Conguration

Information

Measured values

Time

Language

Date

Device adress

Days

Months

Years

Total

Reset

Network

IP

IP-Mode

Netmask

Gateway

TCP Port

DNS1

DNS2

Status relay

Status relay delay

SPD Monitor

External alarm 1

SSF

Settings

Grid operation

External input

Inverter start-up

Power Unit 2

System

Power Unit 1

Limitation

Reactive power

Reference parameter

Figure 35 Menu structure of graphics display

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73 Displaying the operating data overviewThe overview shows the inverter's most important operating data. The graphics display automatically switches to the "Overview" if no function button is pressed for 120 seconds.

1. In the Main Menu, select the "Overview" menu.

Figure 36 "Overview" menu

Display Description19.06.2013 / 11:44:35 Date and system time of inverter (examples) Pac Output power [W]Today Daily yield [kWh]Total Total yield since commissioning [kWh]

Status Operating status of inverter (see Section 7.7)

74 Displaying Main MenuFrom the Main Menu you can open all menus.

1. In order to switch from "Overview" to the Main Menu, press any function key.

Figure 37 Main Menu

2. Press or to select the menu.3. Press to confirm the selection.

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75 StatisticsThe "Statistics" menu can be used for accessing the inverter's data logger. The data logger saves the statistics values of the past 25 years. The daily, monthly, yearly and total statistics can be displayed. All statistics values can be deleted.

751 Displaying the daily statisticsThe daily statistics consist of the statistics values for the last 31 days.

1. In the "Statistics" menu, select the "Day" sub-menu.

Figure 38 Daily statistics

2. Press or to select the day:

Statistics value DescriptionYield Daily yield [kWh]Maximum Fed-in maximum power [W]Hours Number of operating hours in the "Mains operation" operating

status

3. Press to return to the "Statistics" menu.

752 Displaying the monthly statisticsThe monthly statistics consist of the statistics values for the last 12 months.

1. In the "Statistics" menu, select the "Month" sub-menu.

Figure 39 Monthly statistics

2. Press or to select the month:

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Statistics value DescriptionYield Monthly yield [kWh]Maximum Fed-in maximum power [W]Hours Number of operating hours in the "Mains operation" operating

status


753 Displaying the annual statisticsThe annual statistics consist of the statistics values for the last 25 years.

1. In the "Statistics" menu, select the "Year" sub-menu.

Figure 40 Annual statistics

2. Press or to select the year:

Statistics value DescriptionYield Annual yield [kWh]Maximum Fed-in maximum power [W]

Hours Number of operating hours in the "Mains operation" operating status


754 Displaying the total statisticsThe total statistics consist of the statistics values since commissioning.

1. In the "Statistics" menu, select the "Total" sub-menu.

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Figure 41 Total statistics

Statistics value DescriptionYield Total yield [kWh]Hours Total operating hours in the operating status "Mains

operation"


755 Deleting the statistics valuesThe statistics values in the data logger can be deleted.

1. In the "Statistics" menu, select the "Reset" sub-menu.

Figure 42 Resetting the inverter's data logger

Note

Once data are deleted, this cannot be undone!

2. Press to cancel the deletion process.3. Press to delete all statistics values.

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76 Displaying informationThis menu displays information about the inverter. The menu can be used to identify the inverter.

1. In the Main Menu, select the "Information" menu.

Figure 43 "Information" menu

2. Press or to scroll.

Display DescriptionDevice type Inverter typeSerial No. Inverter serial numberFirmware Firmware version installed in the inverterStatus Current operating statusWarning Current warning messageCommissioning Date of initial start-upOperating hours Total operating hours in mains operationMAC address MAC address of the inverter


77 Displaying the operating status of the inverterThe status LED (Figure 34/No. 2) signals the current operating status of the inverter by its different signal colors. The status message, which gives a more detailed description of the operating status, is displayed at the graphics display.

In addition to the status messages, the inverter also displays warnings. Warnings result from device errors or external failures. The inverter continues to feed power into the mains, but it is possible that yield is reduced. Warnings are independent of the oper-ating status and are displayed on the graphics display alternately with the current status message.

Status of LED Operating status Description

Off - Inverter is switched off

Flashes green Booting Inverter is starting up

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Status of LED Operating status Description

Green Mains operation Mains feed-in (normal operation)

Flashes orange - Warning → no grid disconnection

Orange Failure External failure → grid disconnection

Red Error Device error → grid disconnection

Flashes red Blocked Inverter is blocked → grid disconnection

The "Failure", "Error", and "Blocked" operating status messages, as well as the warn-ings, usually require certain actions to be carried out by the qualified electrician in charge (see Section 8).

771 "Booting" operating statusStatus LED: flashes green

Status message DescriptionNo response The specified power unit (MPP tracker 1 or MPP tracker 2) does

not respond. The cause could be insufficient solar irradiation. The inverter uses the available MPP tracker to feed into the grid.

Irradiation too low The solar irradiation or rather the available output is too low for mains operation.

Start-up… The inverter checks the internal hardware and software compo-nents before connecting to the mains.

Restart delay The inverter delays connection to the grid (after a disconnection from the grid or when booting).

772 "Mains operation" operating statusThe status LED lights up green.

Status message DescriptionMaximum output power The inverter limits the in-feed power to the maximum possible

value. This may occur if the PV generator is oversized.Mains operation The inverter is in feed mode.Idc limitation The inverter limits the PV generator current to the maximum per-

missible value. This may occur if the PV generator is designed such that the current at the Maximum Power Point (MPP) exceeds the maximum permissible input current of the inverter.

Iac limitation The inverter limits the output power to the maximum permissible value (where the PV generator is oversized).

Restart limitation Following an external output limitation the inverter increases the active power with defined progression (Pac progression and/or Soft Start).

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Status message DescriptionFrequency limitation The inverter temporarily limits the active power owing to an active

frequency-dependent power reduction.External limitation The inverter's fed-in active power is limited by external output

control.Temperature limitation The output power is temporarily reduced in order to limit the

inverter's temperature.

78 Displaying the operating status of the MPP trackersVia the "Status" menu it is possible to display the operating status of the MPP trackers and the inverter. The displayed warnings and status messages are described in the Sec-tions 7.7 and 8.2.

1. In the Main Menu, select the "Status" menu.

Figure 44 "Status" menu

Entry DescriptionSystem Operating status of inverter (see also Section 7.7)

PU1 Operating status of MPP tracker 1 (Power unit 1)

PU2 Operating status of MPP tracker 2 (Power unit 2)


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8 Troubleshooting

81 SolarMax Service CenterIf you have technical questions or difficulties, our Service Center will be happy to help you. To do that we need the following information:

Device type Serial number (S/N) Installation location Information on the current failure (warning, status message, plant documents, etc.).

Contacting the SolarMax Service Center

The contact details of the SolarMax Service Center can be found on the back of this instruction manual.

Sputnik Engineering AGLänggasse 85CH-2504 Biel/Bienne

82 Diagnosis and actionsThe following tables describe possible actions for remedying faults. If the actions sug-gested do not correct the fault, please contact the SolarMax Service Center.

821 General troubleshooting

Problem Cause ActionsThe graphics display remains blank

The DC disconnector of the gener-ator connection is switched off.

Switch on the DC disconnector.

The irradiation is too low. Wait until irradiation is high enough.

All DC input conductors (strands) are interrupted.

Check the PV generator and eliminate the interruption.

It is possible that the inverter is defective.

Contact the SolarMax Service Center.

The graphics display only flashes briefly.

The irradiation is too low. Wait until irradiation is high enough.

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822 Warning messagesThe status LED flashes orange.

Warning Cause ActionsTemperature limitation The output power is temporarily

reduced in order to limit the inverter's temperature.

Ensure that the recommended maximum ambient temperature is not exceeded and that the cooling fins are free from dust and dirt.

Fan failure A fan is defective or soiled. Contact the SolarMax Service Center.

RTC error Date and time in the RTC (real-time clock) were reset due to a failure.

Set the date and time (see Section 6.3.2). If this problem occurs frequently, contact the SolarMax Service Center.

Firmware mismatch The firmware versions of the inverter controllers do not match.


Flash error An error has occurred in the flash memory.


SPD failure The external signal contact on the interface “X501” has tripped.

Check the external device.

External Alarm 1 The external signal contact on the interface “X510” has tripped.

823 "Failure" operating statusThe status LED lights up orange.

Note

MaxTalk can be used to display the last error messages.

Status message Cause ActionsVdc too high The DC input voltage of the

inverter is too high.Switch off the DC disconnector of the generator connection. Check the PV generator’s configuration.

Ierr too high The ground leakage current has exceeded the permissible RBCM-THR limit value. Check the PV generator.

Leakage current step The leakage current has exceeded the permissible RSCM step value.

No mains There is no mains voltage. Check the AC input conductor (fuses).

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Status message Cause ActionsFrequency too high The mains frequency is outside

the GFMMAX1-THR, GFM-MAX2-THR or GPTFMAX-THR limit values. If this problem recurs, contact

the grid operator.Frequency too low The mains frequency is outside the

GFMMIN1-THR, GFMMIN2-THR or GPTFMIN-THR limit values.

Mains error The inverter detects island mode. If this problem recurs, contact the grid operator.

Vac too high The mains voltage is outside the GVMMAX1-THR, GVMMAX2-THR or GPTVMAX-THR limit values.

If this problem recurs, contact the grid operator.

Vac too low The mains voltage is outside the GVMMIN1-THR, GVMMIN2-THR or GPTVMIN-THR limit values.

Vac 10 min too high The maximum 10-minute average value of the mains voltage GVM10AMAX-THR is too high.

DC insulation fault The insulation resistance of the PV generator to ground is too low.

Check the PV generator.

Phase and neutral conductors are inverted.

Connect the AC input con-ductor as described in Section 5.4.

Error ext. input 1 The external grid monitoring system has disconnected the inverter from the grid (active sig-nals at the "NA21" and/or "NA22" inputs).

If this problem recurs, contact the grid operator.

824 "Error" operating statusThe status LED lights up red.

Status message Cause ActionsDevice error (+ error code) The inverter is defective. Write down the two-digit error

code displayed and contact the SolarMax Service Center.

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825 "Blocked" operating statusThe status LED will flash red.

Status message Cause ActionFirmware update The inverter's firmware is being

updated.None. The inverter automati-cally resumes mains operation once the firmware update is complete.

9 MaintenanceThe following maintenance tasks should be carried out at regular intervals:

Check the operating status of the inverter (see Section 7.7). Check that the ventilation inlet and outlet (see Figure 2) are not blocked. Clean the graphics display with a damp cloth. Do not use harsh or abrasive cleansing

agents. Check the inverter for external damage. Report any such damage to the relevant

qualified electrician.

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10 Decommissioning

101 Instructions for inverter replacementWhen replacing the inverter, note the following:

Before replacing the inverter, write down the total yield. The procedure for viewing the total yield is described in Section 7.5.4.

102 Dismounting the inverterThe inverter may only be dismounted by qualified electricians.

DANGER!Fatal electric shock hazard!Components within the inverter are charged with a high voltage.

Before starting inverter disassembly, the inverter must be fully discon-nected in accordance with the procedure described in this chapter.

Procedure

1. De-energize the DC and AC supply cables to the inverter.


Wait for 5 minutes.

2. Remove the AC cover and the DC cover of the inverter as described in Section 5.1 and Section 5.2.

3. Use a suitable charge indicator to check that all terminals are free from voltage. – When all terminals are de-energized, you can remove the DC and AC feed cables and all communication lines from the inverter.

4. Fit the AC and DC cover of the inverter.5. Remove the two safety brackets.

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Never dismount the inverter on your own.

6. When dismounting the inverter, ask a second person to help.7. Secure the AC and DC feed cables against accidental contact.

103 Disposing of the inverterDispose of the inverter as indicated by the local waste disposal regulations. You can also return the inverter, at your own cost, to Sputnik Engineering AG for professional disposal. The contact details of the SolarMax Service Center can be found on the back of this instruction manual.

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11 Technical dataSM32HT2

Input parameters MPP voltage range1) 460 to 850 V

Minimum DC voltage 250 V

Maximum DC voltage 1 000 V

Maximum DC current 2 x 36 A

Number of MPP trackers 2

Max. PV generator output power per MPP tracker

18 000 W

Number of string connections 2 x 42)

Connection type Wieland PST40i1 (identical to MC4)

Output parameters Rated output power 32 000 W

Maximum apparent output power 32 000 VA

Nominal mains voltage 3 x 400 V

Maximum AC current 3 x 47 A

Nominal mains frequency / range 50 / 45 to 55 Hz

Power factor cosφ adjustable from 0.8 overexcited to 0.8 underexcited

Distortion factor at rated output power < 3 %

Connection type Screw terminal

Grid connection three-phase (L1 / L2 / L3 / N / PE)

Power input at night 0 VA3)

Efficiency Maximum efficiency 98 %

Europ. efficiency 97.5 %

Environment Protection class IP65

Ambient temperature range (for rated power output) −20 to +60 °C (−20 to +45 °C)

Relative humidity 0 to 100 % (condensation)

Max. operating level above sea level 2000 m (without derating)

Components Display Graphics display with backlighting and status LED

Circuit type two-stage, without transformer

Data logger Energy yields, peak output and oper-ating duration of the last 31 days, 12

months, 10 years / output curves of the last 7 days

Fault current monitoring internal, AC/DC-sensitive

Casing / cover Aluminum

DC surge arresterClass C (VDE 0675-6) and type 2 (EN

61643-11) / surge arrester type 2 in the terminal box

AC surge arrester Class D (VDE 0675-6) and type 3 (EN 61643-11)

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SM32HT2

Standards and guidelines4) CE-compliant yes5)

EMC EN 61000-3-11 / EN 61000-3-12 / EN 61000-6-2 / EN 61000-6-3

Grid connection VDE-AR-N 4105 / VDE 0126-1-1 A1:2012 / BDEW MS Directive / G59/3

/ CEI 0-21 / CEI 0-16 / PPC Guide / C10/11 / EN 50438

Device safety IEC 62109-1/-2

Interfaces Data communication RS485 (RJ45 and terminals) / Ethernet (RJ45)

Status signaling contact open / close device (terminals)

Connection to external grid monitoring

yes (terminals)

Weight and dimensions Weight 70 kg6)

Dimensions (W x H x D) 840 x 580 x 380 mm6)

Warranty Standard 5 years / extension to 10, 15, 20 or 25 years possible

1) for rated output power2) fused in the terminal box3) EMC filter is disconnected at night4) in preparation5) the complete conformity declaration can be found on our website at www.solarmax.com6) without terminal box

111 Efficiency curve

0 10 20 30 40 50 60 70 80 90 100

82

80

86

88

90

92

94

96

98

100

84

UDC=720 VUDC=580 VUDC=460 V

ηEuro(720 V) = 97.5%ηEuro(580 V) = 97.5 %ηEuro(460 V) = 97.0 %

Rated output power [%]

Efc

ienc

y η

[%]

Figure 45 Efficiency curve - SolarMax HT series

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112 Temperature-dependent output reductionWhen the ambient temperature is too high, the inverter reduces its output as illustrated in Figure 46 (power derating).

125

100

75

50

25

0−20 −10 0 10 20 30 40 45 50 60

Outp

ut P

ac/P

ac n

om [%

]

Ambient temperature [°C]

Figure 46 Power derating - SolarMax HT series

113 MaxComm compatibilityWhen establishing networks for the purpose of monitoring the plant, the MaxComm com-patibility of the inverters must be taken into consideration. The compatibility depends on the type of connection and the network (individual device or gateway device in a MaxComm network).

The "Static" and "DHCP client" configuration options of the Ethernet interface can be set at the inverter's graphics display, see Section 6.3.3.

Individual device Gateway deviceEthernet RS485 Ethernet

MaxWeb xp - -

MaxTalk 2 -

MaxTalk 2 firmware update

- - -

MaxView - - -

Static DHCP client Static DHCP client

compatible / - not compatible

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114 Country-specific settingsThe factory’s default settings for different countries can be viewed in the technical infor-mation “SSF - Standard specific functions and parameters”. This document can be down-loaded from our website at: www.solarmax.com; Downloads/String inverters/HT series.

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12 Accessories and optionsAccessory/option DescriptionGenerator connection box

SolarMax offers two suitable types of cost-optimized generator con-nection boxes for the SM32HT2. These are fitted with surge arresters type I/II (Art. No. 10 006 826) or type II (Art. No. 10 006 825).

MaxView Free web-based application with various functions for remote call-up, graphics visualization and export of yield data.

MaxWeb xp MaxWebxp is a data logger, monitoring unit, and web server in one. Together with the MaxWeb portal, MaxWebxp is the ideal pair for monitoring the plant.

MaxTalk Free communication and service software for local monitoring of the PV power plant.

MaxTalk Pro Professional version of MaxTalk for the configuration of inverters. The "SolarMax HT series parameter configuration using MaxTalk 2 Pro" operating manual can be downloaded from our website at www.solarmax.com ("Downloads" area).

MaxMonitoring Using the free MaxMonitoring software you can display the perfor-mance data of your PV power plant at any time from home. MaxMon-itoring is available for PC, MacOS and Linux and also as an app for Android and iOS.

MaxDesign Free software for determining the size of PV power plants.

You can find further information on our website at www.solarmax.com.

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13 WarrantySputnik Engineering AG (hereafter SPUTNIK) guarantees full function and lack of defects of its technical devices for a warranty period as specified below for each type of device. Such warranty period can be extended by means of a warranty extension, subject to the conditions named below.

This manufacturer’s warranty exists next to the seller’s warranty (if any) as prescribed by law. As far as identical with regards to the content, the rights under this manufacturer’s warranty supersede any rights under the seller’s warranty. Please contact the seller with regard to any claims based on the seller’s warranty.

1 Warranty Period (Basic)

Central inverters and accessories: 24 months from the date of purchase, but at maximum 30 months after dispatch of the device by SPUTNIK.

String inverters: 60 months from the date of purchase, but at maximum 72 months after dis-patch of the device by SPUTNIK.

If in individual cases SPUTNIK has agreed in writing to a different warranty period, such arrange-ment supersedes the above provisions.

2 Scope of Manufacturer’s Warranty

In case of defect or malfunction of a device within the manufacturer’s warranty period, and upon fulfillment of the conditions for warranty claims named hereafter, the device will be repaired or replaced by SPUTNIK-service personnel within a reasonable time, in either case free of charge, unless this is impossible or disproportionate. SPUTNIK may decide at its own discretion whether a device will be repaired or replaced.

Replacement: Exchange of device free of charge. SPUTNIK’s separate conditions for exchange of devices apply: This warranty covers the free delivery of an equivalent replacement device. Further, your installer is entitled to claim a flat rate compensation for the replacement work from SPUTNIK. Please do not hesitate to ask us about the current amount of such flat rate compensation.

Repair: Repair of device free of charge. This warranty covers costs for material, work and travel by SPUTNIK personnel or by personnel authorized by SPUTNIK.

Please be aware that the performances of SPUTNIK under this warranty are only free of charge in countries approved by SPUTNIK. Please contact your seller for details. A current list of approved countries can be found on our homepage. Repair and replacement outside of the approved countries are only possible after prior consultation of and approval by SPUTNIK. In such case, travel and shipment costs are borne by the customer.

Any further claims, especially claims for compensation of damages resulting directly or indirectly from the defect or claims for replacement of further costs in connection with the installation and removal of devices or claims for loss of profits are not covered by this warranty.

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3 Extent of Repair and Replacement

SPUTNIK will maintain repair material and stock of each type of device during the warranty period only at its own reasonable discretion. In case repair materials for a certain type of inverter and/or an identical replacement device are not in stock anymore, the following applies:

SPUTNIK is allowed to replace the defective inverter with a comparable device of the same or superior performance. The costs (time and material) for technical adjustments necessary for the installation of such comparable devices are covered by this warranty only up to a limited amount; any flat rate compensation owed by SPUTNIK for the replacement is deductible. Please do not hesitate to ask us about the currently applicable amount. The exchange and connection of peripheral devices due to possible non-compatibility with the replacement device or other necessary adjustments to the surrounding installations of the device (including power lines, ventilation and safety installations) are not covered by this warranty. However, SPUTNIK shall within the bounds of reasonability do its best to minimize the effort of such adaptation work.

In case repair materials are not available with reasonable efforts anymore, SPUTNIK is allowed to replace the inverter, subject to the conditions mentioned in the paragraph above.

4 Warranty Period in Case of Repair/Replacement

In case of repair or replacement of devices under this warranty, the repaired respectively replaced device will inherit the remaining warranty time of the original device.

5 Exclusion of Warranty

Especially in the following cases, this manufacturer’s warranty does not apply: Transport damage;

Technical intrusions, modifications or repairs of the devices not authorized by SPUTNIK;

Use of devices for purposes they are not intended for, incorrect or unreasonable manipulation, incorrect or unreasonable installation;

Failure to observe the manufacturer’s operating, installation and maintenance directions;

Inadequate environmental conditions (e.g. insufficient ventilation of the device; humidity etc.);

Superior force (e.g. lightning strike, overvoltage, floods, fire, etc.).

6 Handling of Warranty Cases

For the processing of warranty cases, use of SPTUNIK’s hotline is mandatory. The handling of war-ranty cases must take place in accordance with the instructions provided by the hotline.The hotline number for your country can be found on SPUTNIK’s homepage. Please hold the serial number, article description, a short description of the defect and the purchase receipt ready for transmission to the hotline.

Any repair action taken by the buyer or third parties without authorization by SPUTNIK will not be compensated.

In case these terms on the handling of warranty cases are not respected, SPUTNIK may refuse its warranty performances.

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7 Suspension of Warranty

Sputnik reserves its right to suspend this manufacturer’s warranty temporarily or definitely in case a specific installation does not allow a correct functioning of the inverters (e.g. in case of one of the circumstances listed in cipher 5).

The suspension of the warranty can be lifted upon approval by SPUTNIK. Such approval must be issued by SPUTNIK in writing, confirming that the warranty has again become effective.

8 Warranty Extension

The warranty period can be extended through purchase of a warranty extension within the time limits mentioned hereafter. For certain types of devices, such warranty extensions can also be purchased only for a limited scope of warranty performances. The purchase of a warranty extension will be confirmed by SPUTNIK in form of a warranty certificate (including serial number of affected product). In case of replacement of a device, the serial number in such warranty certificate remains unchanged, without any influence on the validity of the warranty extension.

a) Time limitsString inverters: The extension of the basic warranty can be ordered within 60 months after pur-chase, but the latest within 72 months after dispatch of the device by SPUTNIK.Central Inverters: The extension of the basic warranty can be ordered within 3 months after pur-chase, but the latest within 12 months after dispatch by SPUTNIK.

b) ExtentFull warranty extension – FULL (available for central inverters and string inverters): A full warranty extension includes all the warranty performances as described in the manufacturer’s basic warranty terms.

Limited warranty extension– LIMITED (available only for central inverters):A limited warranty extension covers only the costs for the material required for the repair. The costs for travelling, labor and other expenses are not covered and will be invoiced on a time and expenses basis by SPUTNIK.

c) Effectiveness of Warranty ExtensionIt is a mandatory requirement for the warranty extension to provide the completely filled out appli-cation form to SPUTNIK. The warranty extension becomes effective only after written confirmation and provision of the warranty certificate by SPUTNIK.

9 After Expiration of Warranty Period

The costs for repair or replacement of devices after expiration of the warranty period are invoiced by SPUTNIK on a time and material basis. SPUTNIK will maintain repair and replacement capabilities beyond the warranty time only at its own discretion.

10 Applicable Law, Jurisdiction

Only Swiss Law applies. The exclusive place of jurisdiction lies in Biel/Bienne, Switzerland.(v2013/05)

SolarMax Service Center:

[email protected]

www.solarmax.com/service

2014

/07

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