WSA - Tadiran · 359 Attention: The standard options are shown by the symbol ° Example of...

358

R134a

• Versions for cooling only, heat pump or evap-orating unit (delivered with holding charge only)

• Partial or total heat recovery options• Standard Version (°):- leaving water temperature up to 55 °C in heat

pump mode• Version L:- Low noise with sound absorbent galvanised

sheet panels • High efficiency, low noise screw compressors

with modulating capacity control from 40 to 100% with standard thermostatic expansion valve. (25 to 100% with electronic expansion valve option)

• Compressor discharge and liquid line isolat-ing valves

• Current transformer as standard for each com-pressor

• Dual refrigerant circuit plate heat exchanger optimised for R134a on dual compressor units

• Modulating capacity control microprocessor system

• Independent control for individual circuits• Electrical panel with all cables numbered• Modulating capacity control with dynamic

display of refrigeration capacity• “Always Working” function. In the case of

critical conditions the unit will not stop but automatically adjusts operation

• Automatic set point compensation using ana-logue inputs 4-20 mA or 0–10 V or an exter-nal air sensor

• Auto-adaptive differential to ensure correct compressor operating timers

• PDC (Pull Down Control) system which pre-vents capacity loading when the water tem-

perature quickly approaches the set point • DL (Demand Limit) system permits current

limiting of the unit during times of insufficient electrical power (load peaks or generator operation)

• Compact dimensions• Multilingual display panel• Metal control panel with anti-corrosion poly-

ester paint

Characteristics

• AER485P1: RS-485 interface for supervision systems with MODBUS protocol.

• PRV3: Remote control of the chiller operating functions.

• RIF: Power factor correction. Connected in parallel to the motor allowing about 10% reduction of input current. Must be requested at time of order and is available factory fitted only.

• AVX: Spring anti-vibration mounts. • AERWEB300: Accessory AERWEB allows

remote control of a chiller through a com-mon PC and an ethernet connection over a common browser; 4 versions available:

- AERWEB300-6: Web server to monitor and remote control max. 6 units in RS485 net-work;


- AERWEB300-6G: Web server to monitor and remote control max. 6 units in RS485 net-work with integrated GPRS modem;


• SAP: A series of remote buffer tanks and pumps are available. Refer to the technical manual.

• MULTICHILLER: Control system for multiple parallel installed constant flow chillers pro-viding individual chiller on/off and control capability.

• AKW: ACOUSTIC KIT: Allows further unit sound reduction using an optimised enclosure made from a high density ecological material.

Accessories

Water cooled chillers and heat pumps for indoor installationwith twin-rotor screw compressor and plate exchangerCooling capacity from 146÷712kW Heating capacity from 161÷771kW

WSA

Aermec participates in the EUROVENTProgram: LCP The products of interest can be found on the website www.eurovent-certification.com

359

Attention: The standard options are shown by the symbol °

Example of configuration code: WSA1602L8This is a WSA unit, size 1602 in low noise version, with heat exchangers to PED regulations, and with electrical panel and compressor motors at 400V 3~ 50Hz with circuit breakers. Since each option is uniquely identified it is not necessary to indicate the standard options (represented by °) in the unit configurator.

By suitably combining the numerous options available it is possible to configure each model in such a way as to meet the most demanding of system requirements.

Unit Configurator

Accessory compatibility

Code:WSA

Size:601, 0701, 0801, 0901, 1101, 1202, 1402, 1602, 1802, 2002, 2202, 2502, 2802Expansion device:

° - Standard, minimum leaving water temperature down to +4 °CX - With electronic expansion valve max. temp. of water produced:

+4°C (for lower temperatures please contact us)Model:

° - StandardHeat recovery:

° - Without heat recoveryD - With desuperheaters (partial heat recovery) (not available for the size 0601 and 1202)T - With total heat recovery (not available for the size 0601 and 1202)

Version:° - StandardL - Low noise

Condenser:° - PED regulationE - Evaporating unit (delivered with holding charge only)

Power supply:° - 400V 3~ 50Hz with fuses8 - 400V 3~ 50Hz with circuit breakers2 - 230V 3~ 50Hz with fuses *4 - 230V 3~ 50Hz with circuit breakers ** (not available for sizes 2502 and 2802)5 - 500V 3~ 50Hz with fuses9 - 500V 3~ 50Hz with circuit breakers

Mod Vers. 0601 0701 0801 0901 1101 1202 1402 1602 1802 2002 2202 2502 2802AERWEB300 • • • • • • • • • • • • •MULTICHILLER • • • • • • • • • • • • •AER485P1 • • • • • •(x2) •(x2) •(x2) •(x2) •(x2) •(x2) •(x2) •(x2)RIF - 161 161 201 241 - 161(x2) 161(x2) 201(x2) 201-241 241(x2) 301(x2) 301(x2)

PRV3 • • • • • • • • • • • • •

AVX

°/L 651 651 652 652 656 658 658 658 659 667 661 661 661E - 668 668 668 669 - 670 670 670 671 672 672 672D - 651 652 652 654 - 658 659 659 667 661 661 661DE - 668 668 668 669 - 670 670 670 671 672 672 672T - 652 655 655 657 - 662 662 662 663 664 664 664

AKW • • • • • • • • • • • • •

360

Technical Data

Mod WSA 0601 0701 0801 0901 1101 1202 1402 1602 1802 2002 2202 2502 2802Cooling capacity (E) kW 146 179 212 233 293 293 356 422 468 527 586 660 712Total input power (E) kW 31,75 38,10 43,24 49,28 59,68 63,52 76,83 86,53 101,02 110,73 120,50 137,70 148,19Water flow rate evaporator l/h 25284 30788 36636 40248 50568 50568 61404 72756 80840 90988 101136 114036 122980Pressure drop evaporator kPa 29 20 20 19 23 38 36 40 41 45 48 53 62Water flow rate condenser l/h 30268 36834 43499 48091 60045 60535 73496 86318 96690 108308 119927 135441 145856Pressure drop condenser kPa 40 27 27 26 31 53 50 55 58 62 67 75 88Heating capacity kW 161 192 219 246 309 320 376 435 493 559 627 690 771Total input power kW 36,93 44,08 48,85 56,89 71,20 73,83 87,85 99,22 113,57 129,03 143,58 155,22 178,00Water flow rate condenser l/h 27520 32852 37496 42140 52976 54868 64500 74648 84452 95804 107500 118164 131924Pressure drop condenser kPa 31 41 20 19 24 42 36 39 42 46 50 55 74Water flow rate evaporator l/h 21638 25826 29653 32990 41538 43103 50448 58798 66315 75216 84624 93491 103819Pressure drop evaporator kPa 19 12 12 12 14 25 22 24 25 27 29 32 44E.E.R. (E) W/W 4,61 4,69 4,91 4,74 4,91 4,61 4,63 4,87 4,64 4,76 4,86 4,80 4,80EEEC(1) B B A B A B B A B B A A AC.O.P W/W 4,35 4,35 4,47 4,32 4,34 4,34 4,28 4,39 4,34 4,33 4,37 4,44 4,33EEEC(1) B B A B B B B A B B A A APower supply 400V/3/50HzInput current cooling A 56 66 74 82 101 112 132 148 164 184 203 233 233Input current heating A 67 73 82 91 117 133 146 164 183 209 235 257 258Maximum current (FLA) A 105 124 144 162 182 210 248 288 324 344 364 430 430Starting current (LRA) A 180 163 192 229 300 285 287 336 391 462 482 575 575Compressor Type Twin-rotor screwQuantity n° 1 1 1 1 1 2 2 2 2 2 2 2 2Part load (standard expansion valve) % 40-100 40-100 40-100 40-100 40-100 20-100 20-100 20-100 20-100 20-100 20-100 20-100 20-100Part load (electronic expansion valve) % 25-100 25-100 25-100 25-100 25-100 12,5-100 12,5-100 12,5-100 12,5-100 12,5-100 12,5-100 12,5-100 12,5-100Evaporator Type PlateQuantity n° 1 1 1 1 1 1 1 1 1 1 1 1 1Evaporator hydraulic connection Ø 3" 3” 3” 3” 3” 3" 3” 3” 3” 3” 3” 3” 3”Hydraulic connection type Type VictaulicCondenser Type PlateQuantity n° 1 1 1 1 1 1 1 1 1 1 1 1 1Condenser hydraulic connection Ø 3” 3” 3” 3” 3” 3" 3” 3” 3” 3” 3” 3” 3”Hydraulic connection type Type VictaulicSound pressure(2) dB(A) 53 54 54 54 60 56 57 57 57 61 63 63 63

Mod WSA - E 0701 0801 0901 1101 1402 1602 1802 2002 2202 2502 2802Cooling capacity kW 163 192 212 263 326 385 428 481 539 601 676Total input power kW 41 47 54 66 82 93 108 120 132 146 159Water flow rate evaporator (7 °C) l/h 28040 33020 36460 45240 56070 66220 73620 82790 92710 103370 116270Pressure drop evaporator kPa 18 18 17 21 33 37 38 40 45 49 59E.E.R. W/W 3.98 4.09 3.93 3.98 3.98 4.14 3.96 4.00 4.08 4.12 4.25EEEC(1) A A A A A A A A A A APower supply 400V 3~ 50 HzInput current cooling A 72 81 90 113 144 162 180 204 226 254 272Maximum current (FLA) A 124 144 162 182 248 288 324 344 364 430 430Starting current (LRA) A 163 192 229 300 287 336 391 462 482 575 575Compressor Type Twin-rotor screwQuantity n° 1 1 1 1 2 2 2 2 2 2 2Part load (standard expansion valve) % 40-100 40-100 40-100 40-100 20-100 20-100 20-100 20-100 20-100 20-100 20-100Part load (electronic expansion valve) % 25-100 25-100 25-100 25-100 12,5-100 12,5-100 12,5-100 12,5-100 12,5-100 12,5-100 12,5-100

Evaporator Type PlateQuantity n° 1 1 1 1 1 1 1 1 1 1 1Evaporator hydraulic connection Ø 3” 3” 3” 3” 3” 3” 3” 3” 3” 3” 3”Hydraulic connection type Type VictaulicSound pressure(2) dB(A) 54 54 54 60 57 57 57 63 63 63 63

The sizes 0601 and 1202 is not available without condenser(1) EEEC EUROVENT energy efficiency class(2) Sound pressure measured in free field with directivity factor 2 at 10 m distance, in accordance with ISO 3744.

Cooling:- leaving water temperature 7 °C- entering condenser water temperature 30 °C- Dt = 5K

Evaporating unit:- leaving evaporator water temperature 7 °C- refrigerant condensing temperature 45 °C- Dt = 5K

Heating:- leaving water temperature 45 °C- entering evaporator water temperature 10 °C- Dt = 5 K

(E) EUROVENT for reversible units side water certifies the sun made cold (12-7 °C - 30-35 °C)

Data declared in accordance with UNI EN 14511:2013

361Aermec S.p.A.Via Roma, 996 - 37040 Bevilacqua (VR) - ItalyTel 0442633111 - Fax 044293577www.aermec.com

Aermec reserves the right to make all modification deemed necessary for improving the product at any time with any modification of technical data.

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Dimensions (mm)

Mod WSA (°E - L) 0601 0701 0801 0901 1101 1202 1402 1602 1802 2002 2202 2502 2802Height (A) °- E mm 1775 1775 1775 1775 1775 1975 1975 1975 2005 1985 2065 2065 2065Height (A) L - LE mm 1775 1775 1775 1775 1775 2120 2120 2120 2120 2120 2120 2120 2120Width (B) mm 810 810 810 810 810 810 810 810 810 810 810 810 810Length (C) mm 2960 2960 2960 2960 3360 2960 2960 2960 2960 3360 3360 3360 3360

Weightkg (°) 1101 1251 1301 1357 1788 1738 2028 2097 2169 2598 3000 3095 3095kg (L) 1229 1379 1429 1485 1934 1966 2256 2325 2397 2855 3257 3352 3352kg (D/DE) - 1479 1529 1585 2045 - 2256 2325 2397 2855 3257 3352 3352

Mod WSA (° - L) 0601T 0701 T 0801 T 0901 T 1101 T 1202T 1402 T 1602 T 1802 T 2002 T 2202 T 2502 T 2802 THeight (A) ° mm - 2000 2000 2000 2000 - 2050 2050 2050 2050 2065 2065 2065Height (A) L mm - 2120 2120 2120 2120 - 2120 2120 2120 2120 2120 2120 2120Width (B) mm - 810 810 810 810 - 1250 1250 1250 1250 1250 1250 1250Length (C) mm - 2960 2960 2960 3360 - 3060 3060 3060 3460 3460 3460 3460Weight kg - 1479 1529 1585 2045 - 2294 2363 2435 2894 3296 3391 3391

362

• Versions for cooling only, heat pump or evap-orating unit (delivered with holding charge only)

• Partial or total heat recovery options• Standard Version (°):- leaving water temperature up to 55 °C in heat

pump mode• Version L:- Low noise with sound absorbent galvanised

sheet panels • High efficiency, low noise screw compressors

with modulating capacity control from 40 to 100% with standard thermostatic expansion valve. (25 to 100% with electronic expansion valve option)

• Compressor discharge and liquid line isolat-ing valves

• Current transformer as standard for each com-

pressor• Dual refrigerant circuit plate heat exchanger

optimised for R134a on dual compressor units





• Automatic set point compensation using ana-logue inputs 4-20 mA or 0–10 V or an exter-nal air sensor


• PDC (Pull Down Control) system which pre-vents capacity loading when the water tem-perature quickly approaches the set point

• DL (Demand Limit) system permits current limiting of the unit during times of insufficient electrical power (load peaks or generator operation)

• Compact dimensions• Multilingual display panel• Metal control panel with anti-corrosion poly-

ester paint

Characteristics



• RIF: Power factor correction. Connected in par-allel to the motor allowing about 10% reduc-tion of input current. Must be requested at time of order and is available factory fitted only.

• AVX: Spring anti-vibration mounts. • AERWEB300: Accessory AERWEB allows

remote control of a chiller through a com-mon PC and an ethernet connection over a

common browser; 4 versions available:- AERWEB300-6: Web server to monitor and

remote control max. 6 units in RS485 net-work;



- AERWEB300-18G: Web server to monitor and remote control max. 18 units in RS485 net-

work with integrated GPRS modem;• SAP: A series of remote buffer tanks and pumps

are available. Refer to the technical manual. • MULTICHILLER: Control system for multiple

parallel installed constant flow chillers provid-ing individual chiller on/off and control capa-bility.

• AKW: ACOUSTIC KIT: Allows further unit sound reduction using an optimised enclosure.

Accessories

Water cooled chillers and heat pumps with twin-rotor screw compressorCooling capacity from 171÷701kW Heating capacity from 185÷743kWWSB

Aermecparticipates at EUROVENTprogram: LCPThe involved products can be found in the websitewww.eurovent-certification.com

R134a

363

Unit Configurator

Mod Vers. 0701 0801 0901 1101 1402 1602 1802 2002 2202 2502 2802AERWEB300 ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔

MULTICHILLER ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔

AER485P1 ✔ ✔ ✔ ✔ ✔(x2) ✔(x2) ✔(x2) ✔(x2) ✔(x2) ✔(x2) ✔(x2)RIF 161 161 201 241 161(x2) 161(x2) 201(x2) 201-241 241(x2) 301(x2) 301(x2)PRV3 ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔

AVX

°/L 651 651 651 653 656 658 658 667 660 661 661E 668 668 668 669 670 670 670 671 672 672 672D 651 651 652 653 658 658 659 667 660 661 661T 651 652 652 654 662 662 662 663 664 664 664DE 668 668 668 669 670 670 670 671 672 672 672

AKW ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔



Example of configuration code: WSB1602L8This is a WSB unit, size 1602 in low noise version, with heat exchangers to PED regulations, and with electrical panel and compressor motors at 400V 3~ 50Hz with circuit breakers. Since each option is uniquely identified it is not necessary to indicate the standard options (represented by °) in the unit configurator.


Code:WSBSize:0701, 0801, 0901, 1101, 1402, 1602, 1802, 2002, 2202, 2502, 2802Expansion device:° - Standard, minimum leaving water temperature down to +4 °CX - With electronic expansion valveModel:° - StandardHeat recovery:° - Without heat recoveryD - With desuperheaters (partial heat recovery)T - With total heat recoveryVersion:° - StandardL - Low noise

Condenser:° - PED regulationE - Evaporating unit (delivered with holding charge only)Power supply:° - 400V 3~ 50Hz with fuses8 - 400V 3~ 50Hz with circuit breakers2 - 230V 3~ 50Hz with fuses *4 - 230V 3~ 50Hz with circuit breakers ** (not available for sizes 2502 and 2802)5 - 500V 3~ 50Hz with fuses9 - 500V 3~ 50Hz with circuit breakers

Configuration Fields:

1 2 3 4 5 6 7 8 9 10 11 12 13 | | | | | | | | Code | Expansion device | Heat recovery | Condenser | | | | | Size Model Version Power supply

364

Technical Data

Mod WSB 0701 0801 0901 1101 1402 1602 1802 2002 2202 2502 2802Cooling capacity (E) kW 171 200 225 280 343 395 451 505 564 645 701Total input power (E) kW 38,75 43,75 50,73 60,23 77,77 88,57 101,96 112,60 123,34 139,03 148,65Water flow rate evaporator l/h 29584 34572 38872 48332 59168 68284 77916 87204 97352 111456 121088Pressure drop evaporator kPa 40 35 30 34 52 57 54 56 58 57 67Water flow rate condenser l/h 35630 41435 46879 57809 71260 82010 93766 104688 116470 133025 143964Pressure drop condenser kPa 56 48 42 47 73 79 77 79 82 81 95Heating capacity kW 185 211 241 304 362 418 475 541 607 679 743Total input power kW 45,21 50,21 57,22 72,55 89,42 100,85 115,12 130,76 145,18 157,44 179,19Water flow rate condenser l/h 31648 36292 41452 52116 62092 71724 81528 92880 104232 116444 127452Pressure drop condenser kPa 41 35 31 36 54 57 56 63 62 59 80Water flow rate evaporator l/h 24458 28285 32302 40515 47876 55711 63227 72128 81193 91444 99184Pressure drop evaporator kPa 24 21 19 21 31 34 33 34 36 35 47E.E.R. (E) W/W 4,42 4,58 4,44 4,65 4,40 4,46 4,42 4,48 4,57 4,64 4,71EEEC(1) B B B B B B B B B B BC.O.P. W/W 4,09 4,21 4,22 4,18 4,05 4,14 4,13 4,14 4,18 4,31 4,15EEEC(1) B B B B B B B B B B BPower supply 400V 3~ 50HzInput current cooling A 66 74 82 102 132 149 165 184 205 233 233Input current heating A 73 82 91 118 147 166 184 210 237 259 259Maximum current (FLA) A 124 144 162 182 248 288 324 344 364 430 430Starting current (LRA) A 163 192 229 300 287 336 391 462 482 575 575Compressor Type Twin-rotor screwQuantity n° 1 1 1 1 2 2 2 2 2 2 2Part load (standard expansion valve) % 40-100 40-100 40-100 40-100 20-100 20-100 20-100 20-100 20-100 20-100 20-100Part load (electronic expansion valve) % 25-100 25-100 25-100 25-100 12,5-100 12,5-100 12,5-100 12,5-100 12,5-100 12,5-100 12,5-100

Evaporator Type PlateQuantity n° 1 1 1 1 1 1 1 1 1 1 1Evaporator hydraulic connection Ø 3” 3” 3” 3” 3” 3” 3” 3” 3” 3” 3”Hydraulic connection type Type VictaulicCondenser Type PlateQuantity n° 1 1 1 1 1 1 1 1 1 1 1Condenser hydraulic connection Ø 3” 3” 3” 3” 3” 3” 3” 3” 3” 3” 3”Hydraulic connection type Type VictaulicSound pressure dB(A) 58 58 59 60 61 61 62 63 63 63 63

Mod WSB - E 0701 0801 0901 1101 1402 1602 1802 2002 2202 2502 2802Cooling capacity kW 155 185 207 258 311 365 410 465 521 594 665Total input power kW 41 46 53 66 82 92 107 120 131 146 159Water flow rate evaporator (7 °C) l/h 26660 31820 35600 44380 53490 62780 70520 79924 89610 102170 114380Pressure drop evaporator kPa 40 35 30 34 48 53 50 51 54 53 64E.E.R. W/W 3.78 4.02 3.91 3.91 3.79 3.97 3.83 3.88 3.98 4.07 4.18EEEC(1) A A A A A A A A A A APower supply 400V 3~ 50HzInput current cooling A 71 81 89 113 143 161 178 203 226 254 272Maximum current (FLA) A 124 144 162 182 248 288 324 344 364 430 430Starting current (LRA) A 225 264 310 391 287 336 391 462 482 575 575Compressor Type Twin-rotor screwQuantity n° 11 1 1 1 2 2 2 2 2 2 2Part load (standard expansion valve) % 40-100 40-100 40-100 40-100 20-100 20-100 20-100 20-100 20-100 20-100 20-100Part load (electronic expansion valve) % 25-100 25-100 25-100 25-100 12,5-100 12,5-100 12,5-100 12,5-100 12,5-100 12,5-100 12,5-100

Evaporator Type PlateQuantity n° 1 1 1 1 1 1 1 1 1 1 1Evaporator hydraulic connection Ø 3” 3” 3” 3” 3” 3” 3” 3” 3” 3” 3”Hydraulic connection type Type VictaulicSound pressure(2) dB(A) 58 58 59 60 61 61 62 61 63 63 63

(1) EEEC EUROVENT energy efficiency class(2) Sound pressure measured in free field with directivity factor 2 at 10 m distance, in accordance with ISO 3744.

Cooling:- leaving water temperature 7 °C- entering condenser water temperature 30 °C- Dt = 5K

Evaporating unit:- leaving evaporator water temperature 7 °C- refrigerant condensing temperature 45°C- Dt = 5K

Heating:- leaving water temperature 45°C- entering evaporator water temperature 10°C- Dt = 5 K

(E) EUROVENT for reversible units side water certifies the sun made cold (12-7 °C - 30-35 °C)


365Aermec S.p.A.Via Roma, 996 - 37040 Bevilacqua (VR) - ItalyTel 0442633111 - Fax 044293730www.aermec.com


Dimensions (mm)

Mod WSB (° - L) 0701 0801 0901 1101 1402 1602 1802 2002 2202 2502 2802Height (A) ° mm 1775 1775 1775 1775 1975 1975 2005 1985 2065 2065 2065Height (A) L mm 1775 1775 1775 1775 2120 2120 2120 2120 2120 2120 2120Width (B) mm 810 810 810 810 810 810 810 810 810 810 810Length (C) mm 2960 2960 2960 3360 2960 2960 2960 3360 3360 3360 3360

Weightkg (°) 1251 1301 1357 1788 2028 2097 2169 2598 3000 3095 3095kg (L) 1379 1429 1485 1934 2256 2325 2397 2855 3257 3352 3352kg (D/DE) 1479 1529 1585 2045 2256 2325 2397 2855 3257 3352 3352

Mod WSB (° - L) 0701 T 0801 T 0901 T 1101 T 1402 T 1602 T 1802 T 2002 T 2202 T 2502 T 2802 THeight (A) ° mm 2000 2000 2000 2000 2050 2050 2050 2050 2065 2065 2065Height (A) L mm 2120 2120 2120 2120 2120 2120 2120 2120 2120 2120 2120Width (B) mm 810 810 810 810 1250 1250 1250 1250 1250 1250 1250Length (C) mm 2960 2960 2960 3360 3060 3060 3060 3460 3460 3460 3460Weight kg 1479 1529 1585 2045 2294 2363 2435 2894 3296 3391 3391

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Aermecparticipate in the EUROVENTprogram: LCP the products are present on the sitewww.eurovent-certification.com

R134a

• Available in 10 sizes (4 sizes single com-pressor and 6 sizes dual compressor)

• Manufactured with refrigerant R134a• Versions for cooling only - heat pump with

refrigerant reversing valve• Partial heat recovery option• Standard Version (°):- leaving water temperature up to 55 °C in

heat pump mode• Version X:- leaving liquid temperature down to -6 °C • Version L:- low noise• High efficiency, low noise screw compres-

sors with modulating capacity control from 40 to 100% with standard thermostatic expansion valve. (25 to 100% with electron-

ic expansion valve option)• Compressor discharge and liquid line isolat-

ing valves• Current transformer as standard for each

compressor• Dual refrigerant circuit plate heat exchanger

optimised for R134a on dual compressor units





• Automatic set point compensation using analogue inputs 4-20 mA or 0–10 V or an external air sensor


• PDC (Pull Down Control) system which pre-vents capacity loading when the water tem-perature quickly approaches the set point

• DL (Demand Limit) system permits current limiting of the unit during times of insuffi-cient electrical power (load peaks or gener-ator operation)

• Compact dimensions• Multilingual display panel• Metal control panel with anti-corrosion pol-

yester paint

Characteristics

• REFRIGERANT REVERSING VALVE • OPTIONAL ELECTRONIC EXPANSION VALVE WHICH ALLOWS: - COOLING DOWN TO -6 °C - MODULATING CAPACITY CONTROL 25-100%

Water cooled reverse cycle heat pumps with twin-rotor screw compressorCooling capacity 166÷668kW Heating capacity 190÷819kWWSH

Accessories



• RIF: Power factor correction. Connected in par-allel to the motor allowing about 10% reduc-tion of input current. Must be requested at time of order and is available factory fitted only.

• AVX: Spring anti-vibration mounts.• AERWEB300: Accessory AERWEB allows

remote control of a chiller through a com-mon PC and an ethernet connection over a common browser; 4 versions available:

AERWEB300-6: Web server to monitor and remote control max. 6 units in RS485 net-work;


AERWEB300-6G: Web server to monitor and remote control max. 6 units in RS485 net-work with integrated GPRS modem;


• SAP: A series of remote buffer tanks and pumps

are available. Refer to the technical manual. • MULTICHILLER: Control system for multiple

parallel installed constant flow chillers provid-ing individual chiller on/off and control capa-bility.

• AKW: ACOUSTIC KIT: Allows further unit sound reduction using an optimised enclosure made from a high density ecological material.

367


Unit Configurator

Mod Vers. 0701 0801 0901 1101 1402 1602 1802 2002 2202 2502AERWEB300 - ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔

MULTICHILLER - ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔

AER485P1 - ✔ ✔ ✔ ✔ ✔(x2) ✔(x2) ✔(x2) ✔(x2) ✔(x2) ✔(x2)RIF - 161 161 201 241 161(x2) 161(x2) 201(x2) 201-241 241(x2) 301(x2)PRV3 - ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔

AVX°/L 665 665 665 666 662 662 662 663 664 664D 665 665 665 666 662 662 662 663 664 664

AKW - ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔



Example of configuration code: WSH1602L8This is a WSH unit, size 1602 in low noise version, with heat exchangers to PED regulations, and with electrical panel and compressor motors at 400V 3~ 50Hz with circuit breakers. Since each option is uniquely identified it is not necessary to indicate the standard options (represented by °) in the unit configurator.

Code:WSH

Size:0701, 0801, 0901, 1101, 1402, 1602, 1802, 2002, 2202, 2502

Expansion device:° - Standard, minimum leaving water temperature down to +4 °CX - With electronic expansion valve that allows: - Leaving liquid temperature down to -6 °C - Modulating capacity control (25 - 100%)

Model:° - Standard

Heat recovery:° - Without heat recovery D - With desuperheaters (partial heat recovery)

Version:° - Standard

L - Low noiseCondenser:

° - PED regulationPower supply:

° - 400V 3~ 50Hz with fuses8 - 400V 3~ 50Hz with circuit breakers2 - 230V 3~ 50Hz with fuses *4 - 230V 3~ 50Hz with circuit breakers ** (not available for size 2502)5 - 500V 3~ 50Hz with fuses9 - 500V 3~ 50Hz with circuit breakers

Configuration Fields:

1 2 3 4 5 6 7 8 9 10 11 12 13 | | | | | | | | Code | Expansion device | Heat recovery | Condenser | | | | | Size Model Version Power supply

368

Technical Data

Mod WSH 0701 0801 0901 1101 1402 1602 1802 2002 2202 2502Cooling capacity kW 166 195 216 269 359 426 464 524 591 668Total input power kW 37,14 42,31 48,35 58,78 79,23 92,02 103,47 114,87 127,11 146,90Water flow rate evaporator l/h 28552 33712 37324 46440 61920 73616 80152 90472 102168 115584Pressure drop evaporator kPa 23 24 22 27 43 47 48 59 65 74Water flow rate condenser l/h 34434 40411 45004 55754 74338 87995 96329 108273 121776 138133Pressure drop condenser kPa 30 31 30 36 57 62 65 79 88 101Heating capacity kW 190 218 247 312 438 511 563 647 730 819Total input power kW 45,84 52,05 59,19 75,13 104,03 123,32 133,01 153,87 173,98 190,54Water flow rate condenser l/h 32651 37468 42286 53526 74937 87426 96346 110620 124894 139881Pressure drop condenser kPa 26 25 25 31 61 67 68 77 85 97Water flow rate evaporator l/h 42361 48746 54856 69480 98039 113923 126325 144907 163764 184907Pressure drop evaporator kPa 46 46 43 55 82 89 89 98 110 122E.E.R. W/W 4,46 4,62 4,48 4,58 4,53 4,63 4,49 4,56 4,65 4,55EEEC(1) C B C B B B B B B BC.O.P. W/W 4,15 4,20 4,17 4,15 4,21 4,14 4,23 4,20 4,20 4,30EEEC(1) B B B B B B B B B APower supply 400V 3~ 50HzInput current cooling A 65 73 80.6 100 135 146.5 162 187.5 210 242Input current heating A 81 91 101 130.5 178.5 210 221 256.5 291 320Maximum current (FLA) A 124 144 162 182 248 288 324 344 364 430Starting current (LRA) A 163 192 229 300 287 336 391 462 482 575Compressor Type Twin-rotor screwPart load (standard expansion valve) % 40-100 40-100 40-100 40-100 20-100 20-100 20-100 20-100 20-100 20-100Part load (electronic expansion valve) % 25-100 25-100 25-100 25-100 12,5-100 12,5-100 12,5-100 12,5-100 12,5-100 12,5-100

Evaporator Type PlateQuantity n° 1 1 1 1 1 1 1 1 1 1Evaporator hydraulic connection Ø 3” 3” 3” 3” 3” 3” 3” 3” 3” 3”Hydraulic connection type Type VictaulicCondenser Type PlateQuantity n° 1 1 1 1 1 1 1 1 1 1Condenser hydraulic connection Ø 3” 3” 3” 3” 3” 3” 3” 3” 3” 3”Hydraulic connection type Type VictaulicSound pressure db(A) 54 54 54 60 57 57 57 61 63 63Sound power db(A) 86 86 86 92 89 89 89 93 95 95

(1) EEEC EUROVENT energy efficiency class


CoolingEvaporator

- leaving water temperature 7 °C- entering condenser water temperature 12 °C

Condenser- leaving water temperature 35 °C- entering condenser water temperature 30 °C

HeatingEvaporator

- leaving water temperature 7 °C- entering condenser water temperature 10 °C

Condenser- leaving water temperature 45 °C- entering condenser water temperature 40 °C

Sound power:Aermec determines sound power values on the basis of measurements made in accordance with UNI EN ISO 9614-2, as required for Eurovent certification.

Sound pressure:Sound pressure in free field, at 10 m distan-ce from the external surface of the unit (in accordance with UNI EN ISO 3744)

Aermec S.p.A.Via Roma, 996 - 37040 Bevilacqua (VR) - ItalyTel 0442633111 - Fax 044293577www.aermec.com

369Aermec reserves the right to make all modification deemed necessary for improving the product at any time with any modification of technical data.

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Dimensions (mm)

Mod WSH 0701 0801 0901 1101 1402 1602 1802 2002 2202 2502

Height (A)(°) mm 1980 1980 1980 2060 2000 2000 2000 2000 2060 2060L mm 2120 2120 2120 2120 2120 2120 2120 2120 2120 2120

Width (B) mm 810 810 810 810 1260 1260 1260 1260 1260 1260Length (C) mm 2960 2960 2960 3360 3060 3060 3060 3460 3460 3460

Weight (empty)kg (°) 1391 1443 1506 1946 2276 2350 2423 2872 3309 3407kg (D) 1622 1674 1737 2200 2542 2616 2689 3168 3605 3703

A

B

C

370

Aermecparticipate in the EUROVENTprogram: LCPthe products are present on the sitewww.eurovent-certification.com

R134a

Version• WF_° Standard chillers• WF_A High efficiency version• Operational limits (1)- condenser leaving water temperature up to

50 °C- evaporator leaving liquid temperature down

to -6 °C

- Two independent refrigerant circuits- High efficiency, low noise screw compressors

with modulating capacity control from 12,5 a 100% for each compressor)

- Shell and tube evaporator optimised for refrigerant R134a

- Standard electronic expansion valve- Compact dimensions- Suitable for use in heat pump mode with

leaving water temperature up to 50 °C (with hydraulic system reversing) and with ground

water or geothermal loops. For heating mode operation the IS accessory, condenser isolating valves, is required

• Options available:- partial heat recovery- total heat recovery- evaporating unit- low noise unit with compressor acoustical

enclosures made from galvanised steel and high density sound absorbent material


- Redundancy of the unit (one microprocessor per circuit)

- Leaving water temperature control with modulating capacity control (12.5-100% for each compressor) and dynamic display of the refrigeration capacity

- Condensing control based on pressure with 0-10 Vdc signal for controlling a modulating

valve / variable speed pump- Electrical panel with all cables numbered- Current transformer as standard for each

compressor- “Always Working” function. In the case of


- Automatic set point compensation using analogue inputs 4-20 mA or 0–10 V or an external air sensor

- Auto-adaptive differential to ensure correct compressor operating timers

- PDC (Pull Down Control) system which prevents capacity loading when the water temperature quickly approaches the set point

- DL (Demand Limit) system permits current limiting of the unit during times of insufficient electrical power (load peaks or generator operation)

- Multilingual display panel

Characteristics


• AERWEB300: Accessory AERWEB allows remote control of a chiller through a com-mon PC and an ethernet connection over a common browser; 4 versions available:



AERWEB300-6G: Web server to monitor and

remote control max. 6 units in RS485 net-work with integrated GPRS modem;




• AVX: Spring anti-vibration mounts.

Accessories factory fitted only• RIF: Power factor correction. Connected in par-

allel to the motor allowing about 10% reduc-tion of input current.

• AKW: ACOUSTIC KIT. (only for Versions L) Allows further unit sound reduction using an

optimised enclosure made from a high densi-ty ecological material.

• IS: Condenser isolating valves. Mandatory accessory for units operating in heat pump mode. Factory fitted only.

Accessories

Chillers, Water/Water indoor installationwith twin-rotor screw compressor Cooling capacity 630÷1549kW Heating capacity 676÷1668kW

WF

• OPTIMISED FOR LOW CONDENSER TEMPERATURES for example: units working in cooling mode with ground or tower water, or units

working in heat pump mode with low leaving water temperature• MAXIMUM CONDENSER LEAVING WATER TEMPERATURE: 50°C

• STANDARD ELECTRONIC EXPANSION VALVE

Energy EfficiencyClassificationEurovent

(1) For more details on operating limits, refer to the technical documentation available on the website www.aermec.com

371


Unit Configurator

Mod Vers 2512 2812 3212 3612 4212 4812 5612 6412AER485P1 •(x2) •(x2) •(x2) •(x2) •(x2) •(x2) •(x2) •(x2)

AERWEB300 • • • • • • • •

MULTICHILLER • • • • • • • •

PRV3 • • • • • • • •

Compatibility AVXstandard / standard Low noiseMod WF 2512° 2812° 3212° 3612° 4212° 4812° 5612° 6412°AVX 673 673 673 674 674 674 675 675

Mod WF 2512°L 2812°L 3212°L 3612°L 4212°L 4812°L 5612°L 6412°LAVX 673 673 674 674 674 674 675 675High efficiency/High efficiency low noiseMod WF 2512A 2812A 3212A 3612A 4212A 4812A 5612A 6412AAVX 673 673 674 675 675 675 676 676

Mod WF 2512AL 2812AL 3212AL 3612AL 4212AL 4812AL 5612AL 6412ALAVX 674 674 675 675 675 675 676 676Accessories factory fitted onlyRIF RIFWF2512 RIFWF2812 RIFWF3212 RIFWF3612 RIFWF4212 RIFWF4812 RIFWF5612 RIFWF6412

AKW (1) • • • • • • • •

IS1 (2) °/A °/A ° ° ° °IS2 (2) A A A A ° °IS3 (2) A A

Compatibility of accessories

(1) The accessory is only available for the low noise version "L"(2) For heating mode operation the IS accessory, condenser isolating valves, is requiredAttention: For D - T - E version - please contact us

Field Code1,2 WF3,4,5,6 Size

2512-2812-3212-3612-4212-4812-5612-64127 Model

° Optimised for low condensing temperature8 Version

° StandardA High efficiency

9 Equipment° StandardL low noise

10 Heat recovery° Without recovery

D With DesuperheaterT With total recovery (3)

11 Evaporator ° StandardE Evaporating unit

12 Power supply ° 400V/3/50Hz with fuses8 400V/3/50Hz with circuit breakers5 500V/3/50Hz with fuses (4)

9 500V/3/50Hz with circuit breakers (4)

(3) options T are not compatible with option "E"(4) 500V/3/50Hz available only size 2512-2812

372

(E) EUROVENT per le unità reversibili lato acqua certifica le sole rese a freddo (12-7 °C - 30-35 °C)

Technical Data

Model WF standard 2512° 2812° 3212° 3612° 4212° 4812° 5612° 6412°Cooling capacity (1) kW 630 720 872 984 1111 1276 1406 1546Total input power (1) kW 125,06 143,21 174,00 194,84 219,28 253,97 280,17 309,99E.E.R. (1) W/W 5,04 5,03 5,01 5,05 5,06 5,02 5,02 4,99Energy efficiency classification B B B A A B B BE.S.E.E.R. - 6,16 6,19 6,16 6,18 6,19 6,2 6,18 6,16Water flow rate evaporator l/h 108704 124356 150500 169764 191608 220332 242864 267116Total pressure drops system side kPa 41 58 56 47 43 62 65 75Water flow rate condenser l/h 128639 147069 178115 200810 226576 260529 287309 316136Total pressure drops geothermal side kPa 16 16 18 16 18 24 17 19Heating capacity kW 678 775 940 1060 1195 1374 1515 1668Total input power kW 158,11 180,80 219.28 246.23 277.48 319.33 353.36 390.48COP W/W 4,29 4,29 4,29 4,31 4,31 4,30 4,29 4,27Energy efficiency classification B B B B B B B BWater flow rate condenser l/h 116616 133300 161508 182148 205368 235984 260408 286724Total pressure drops system side kPa 13 13 14 13 14 19 14 15Water flow rate evaporator l/h 91126 104215 126214 142442 160596 184676 203545 223978Total pressure drops geothermal side kPa 28 39 38 32 29 43 44 51

Model WF_°E Evaporating unit 2512°E 2812°E 3212°E 3612°E 4212°E 4812°E 5612°E 6412°ECooling capacity kW 547 624 748 842 954 1077 1208 1328Total input power kW 143 162 195 221 247 279 313 345E.E.R. W/W 3,83 3,85 3,84 3,81 3,86 3,86 3,86 3,85Water flow rate evaporator l/h 94084 107328 128656 144824 164088 185244 207776 228416Total pressure drops system side kPa 31 43 41 34 31 44 47 55

Model WF_AE Evaporating unit 2512°A 2812°A 3212°A 3612°A 4212°A 4812°A 5612°A 6412°ACooling capacity kW 585 665 800 899 1016 1148 1246 1382Total input power kW 143 162 195 221 248 280 313 346E.E.R. W/W 4,09 4,1 4,1 4,07 4,1 4,1 3,98 3,99Water flow rate evaporator l/h 100620 114380 137600 154628 174752 197456 214312 237704Total pressure drops system side kPa 36 49 50 35 49 34 31 40

Model WF_A high efficency 2512A 2812A 3212A 3612A 4212A 4812A 5612A 6412ACooling capacity (1) kW 639 725 887 1004 1132 1278 1413 1549Total input power (1) kW 120,53 137,92 168,89 188,58 213,76 239,85 269,78 298,99E.E.R. (1) W/W 5,30 5,26 5,25 5,32 5,30 5,33 5,24 5,18Energy efficiency classification A A A A A A A AE.S.E.E.R. - 6,63 6,61 6,63 6,66 6,67 6,66 6,54 6,49Water flow rate evaporator l/h 110252 125216 153252 173204 195564 220504 243724 267288Total pressure drops system side kPa 44 59 62 44 62 42 41 51Water flow rate condenser l/h 129043 146621 179396 202616 228734 257923 285881 313857Total pressure drops geothermal side kPa 63 64 72 69 69 74 74 77Heating capacity kW 676 772 944 1066 1199 1358 1506 1654Total input power kW 150.92 171.87 210.18 237.08 260 300.67 338.30 373.85COP W/W 4,50 4,49 4,49 4,50 4,50 4,52 4,45 4,43Energy efficiency classification A A A A A A A BWater flow rate condenser l/h 116272 132268 161680 182664 206228 232716 258172 283456Total pressure drops system side kPa 51 51 58 56 55 59 59 62Water flow rate evaporator l/h 92252 104980 128346 144919 161508 184840 204250 223978Total pressure drops geothermal side kPa 30 40 42 30 42 29 28 35

Cooling (14511:2013)Evaporator water temperature (in/out) 12°C/7°C; Condenser water temperature (in/out) 30°C/35°C(1) EUROVENT for reversible units side water certifies the sun made cold (12-7 °C - 30-35 °C)HeatingCondenser water temperature (in/out) 40°C/45°C; Evaporator water temperature (in/out) 10°C/5°C

CoolingEvaporator water temperature (in/out) 12°C/7°C; Condensing temperature 45°C

373Aermec S.p.A.Via Roma, 996 - 37040 Bevilacqua (VR) - ItaliaTel. 0442633111 - Telefax 044293577www.aermec.com


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Attention: For D - T - E version - please contact us

Technical Data

Dimensions and Weight

Mod WF 2512° 2812° 3212° 3612° 4212° 4812° 5612° 6412°Height mm (A) 2100 2100 2050 2120 2140 2140 2210 2210width mm (B) 3690 3690 4030 4030 4370 4370 4610 4760depth mm (C) 1470 1470 1470 1520 1550 1550 1600 1600Weight Kg 3570 3650 4470 4750 5050 5180 6030 6260

Mod WF 2512A 2812A 3212A 3612A 4212A 4812A 5612A 6412AHeight mm (A) 2180 2180 2190 2340 2340 2340 2380 2380width mm (B) 4330 4330 4330 4370 4550 4550 4800 4800depth mm (C) 1470 1470 1537 1695 1695 1695 1700 1700Weight Kg 4080 4140 5470 5950 6240 6440 7230 7360

GENERAL DATA 2512 2812 3212 3612 4212 4812 5612 6412Electrical data

Total input current cooling mode° A 212 243 282 317 349 416 457 506A A 202 232 268 303 332 392 437 483

Total input current heating mode° A 271 312 361 406 447 533 585 648A A 258 297 343 388 425 501 559 619

Maximum current (FLA) A 294 336 396 446 494 572 636 702Starting current (LRA) A 447 528 596 659 712 872 968 1156Compressors

Compressorstype two screw two screw two screw two screw two screw two screw two screw two screwn° 2 2 2 2 2 2 2 2

Circuits n° 2 2 2 2 2 2 2 2

Capacity control(1) °/A % 12,5-100 12,5-100 12,5-100 12,5-100 12,5-100 12,5-100 12,5-100 12,5-100

(1) E 35-100 35-100 35-100 35-100 35-100 35-100 35-100 35-100

Refrigerant type R134a R134a R134a R134a R134a R134a R134a R134aSystem side exchanger

Evaporatortype Shell and tuben° 1 1 1 1 1 1 1 1

Hydraulic connections (Victaulic in/out)° Ø 6" 6" 6" 8" 8" 8" 8" 8"A Ø 8" 8" 8" 10" 10" 10" 10" 10"

Geothermal side exchanger

Condensertype Shell and tuben° 2 2 2 2 2 2 2 2


Sound dataSound pressure dB(A) 61,6 62 61,5 61,7 62,6 63,5 65,3 65,9Sound power dB(A) 93,6 94 93,5 93,7 94,6 95,5 97,3 97,9Power supply V/ph/Hz 400V/3/50Hz

(1) Electronic expansion valveSound powerAermec determines sound power values on the basis of measurements made in accordance with UNI EN ISO 9614-2, as required for Eurovent certification.Sound pressureSound pressure in free field, at 10 m distance from the external surface of the unit (in accordance with UNI EN ISO 3744). Note: For more information, refer to the selection program or the technical documentation available on the website www.aermec.com

374

Version• HWF_° Standard chillers• HWF_A High efficiency version• Operational limits (1)- condenser leaving water temperature up to

60 °C- evaporator leaving liquid temperature down

to -6 °C

- Two independent refrigerant circuits- High efficiency, low noise screw compressors

with modulating capacity control from 12,5 a 100% for each compressor)

- Shell and tube evaporator optimised for refrigerant R134a

- Standard electronic expansion valve- Compact dimensions- Suitable for use in heat pump mode with

leaving water temperature up to 60 °C (with hydraulic system reversing) and with dry-

cooler. For heating mode operation the IS accessory, condenser isolating valves, is required

• Options available:- partial heat recovery- total heat recovery- evaporating unit- low noise unit with compressor acoustical

enclosures made from galvanised steel and high density sound absorbent material


- Redundancy of the unit (one microprocessor per circuit)

- Leaving water temperature control with modulating capacity control (12.5-100% for each compressor) and dynamic display of the refrigeration capacity

- Condensing control based on pressure with 0-10 Vdc signal for controlling a modulating

valve / variable speed pump- Electrical panel with all cables numbered- Current transformer as standard for each

compressor- “Always Working” function. In the case of


- Automatic set point compensation using analogue inputs 4-20 mA or 0–10 V or an external air sensor

- Auto-adaptive differential to ensure correct compressor operating timers

- PDC (Pull Down Control) system which prevents capacity loading when the water temperature quickly approaches the set point

- DL (Demand Limit) system permits current limiting of the unit during times of insufficient electrical power (load peaks or generator operation)

- Multilingual display panel

Characteristics

Chillers, Water/Water indoor installationwith twin-rotor screw compressor Cooling capacity 628÷1524kW Heating capacity 671÷1615kW

HWFEnergy EfficiencyClassificationEurovent

• OPTIMISED FOR HIGH CONDENSER TEMPERATURES for example: units operating in heating mode• MAXIMUM CONDENSER LEAVING WATER TEMPERATURE: 60°C

• STANDARD ELECTRONIC EXPANSION VALVE WHICH ALLOWS


• AERWEB300: Accessory AERWEB allows remote control of a chiller through a com-mon PC and an ethernet connection over a common browser; 4 versions available:



AERWEB300-6G: Web server to monitor and

remote control max. 6 units in RS485 net-work with integrated GPRS modem;




• AVX: Spring anti-vibration mounts.

Accessories factory fitted only• RIF: Power factor correction. Connected in par-

allel to the motor allowing about 10% reduc-tion of input current.

• AKW: ACOUSTIC KIT. (only for Versions L) Allows further unit sound reduction using an

optimised enclosure made from a high densi-ty ecological material.

• IS: Condenser isolating valves. Mandatory accessory for units operating in heat pump mode. Factory fitted only.

Accessories

(1) For more details on operating limits, refer to the technical documentation available on the website www.aermec.com

Aermecparticipate in the EUROVENTprogram: LCPthe products are present on the sitewww.eurovent-certification.com

375


Unit Configurator

Mod Vers 2512 2812 3212 3612 4212 4812 5612 6412AER485P1 •(x2) •(x2) •(x2) •(x2) •(x2) •(x2) •(x2) •(x2)

AERWEB300 • • • • • • • •

MULTICHILLER • • • • • • • •

PRV3 • • • • • • • •

Compatibility AVXstandard / standard Low noiseMod HWF 2512° 2812° 3212° 3612° 4212° 4812° 5612° 6412°AVX 673 673 673 674 674 674 675 675

Mod HWF 2512°L 2812°L 3212°L 3612°L 4212°L 4812°L 5612°L 6412°LAVX 673 673 674 674 674 674 675 675

High efficiency/High efficiency low noiseMod HWF 2512A 2812A 3212A 3612A 4212A 4812A 5612A 6412AAVX 673 673 674 675 675 675 676 676

Mod HWF 2512AL 2812AL 3212AL 3612AL 4212AL 4812AL 5612AL 6412ALAVX 674 674 675 675 675 675 676 676

Accessories factory fitted onlyRIF RIFHWF2512 RIFHWF2812 RIFHWF3212 RIFHWF3612 RIFHWF4212 RIFHWF4812 RIFHWF5602 RIFHWF6412

AKW (1) • • • • • • • •

IS1 (2) °/A °/A ° ° ° °

IS2 (2) A A A A ° °

IS3 (2) A A

(1) The accessory is only available for the low noise version "L"(2) For heating mode operation the IS accessory, condenser isolating valves, is requiredAttention: For D - T - E version - please contact us

Field Code1,2,3 HWF4,5,6,7 Size

2512-2812-3212-3612-4212-4812-5612-64128 Model

° Optimised for high condensing temperature9 Version

° StandardA High efficiency

10 Equipment° StandardL low noise

11 Heat recovery° Without recovery

D With DesuperheaterT With total recovery (3)

12 Evaporator ° StandardE Evaporating unit

13 Power supply ° 400V/3/50Hz with fuses8 400V/3/50Hz with circuit breakers5 500V/3/50Hz with fuses (4)

9 500V/3/50Hz with circuit breakers (4)

(3) options T are not compatible with option "E"(4) 500V/3/50Hz available only size 2512-2812

376

Technical Data

Model HWF standard 2512° 2812° 3212° 3612° 4212° 4812° 5612° 6412°Cooling capacity (1) kW 628 713 843 946 1092 1256 1415 1512Total input power (1) kW 130,1 148,1 173,6 195,4 225,0 259,6 294,3 314,4E.E.R. (1) W/W 4,83 4,81 4,85 4,84 4,85 4,84 4,81 4,81Energy efficiency classification B B B B B B B BE.S.E.E.R. - 5,85 5,87 5,91 5,86 5,87 5,90 5,86 5,88Water flow rate evaporator l/h 108360 123152 145512 163228 188340 216892 244412 261268Total pressure drops system side kPa 41 56 53 44 41 60 65 72Water flow rate condenser l/h 129112 146682 173127 194437 224288 258069 291144 311105Total pressure drops geothermal side kPa 16 16 17 15 17 23 18 18Heating capacity kW 671 763 899 1010 1164 1339 1513 1616Total input power kW 151,10 172 202,02 227,94 262,36 302,02 343,45 366,08COP W/W 4,50 4,42 4,45 4,43 4,44 4,44 4,41 4,49Energy efficiency classification A B A B B B B BWater flow rate condenser l/h 115240 131064 154456 173548 200036 230128 260064 277780Total pressure drops system side kPa 13 12 13 12 14 18 14 14Water flow rate evaporator l/h 90893 103286 121939 136783 157715 181606 204835 218956Total pressure drops geothermal side kPa 28 39 36 30 28 41 45 49

Model HWF_A high efficency 2512A 2812A 3212A 3612A 4212A 4812A 5612A *6412ACooling capacity (1) kW 643 730 855 966 1108 1249 1435 1524Total input power (1) kW 128,7 147,1 172,1 193,0 222,3 249,4 287,4 306,7E.E.R. (1) W/W 5,00 4,96 4,96 5,01 4,98 5,01 4,99 4,97Energy efficiency classification B B B B B B B BE.S.E.E.R. - 6,19 6,18 6,17 6,18 6,19 6,19 6,17 6,16Water flow rate evaporator l/h 110940 126076 147576 166668 191264 215516 247508 262988Total pressure drops system side kPa 44 60 57 41 59 40 42 50Water flow rate condenser l/h 131038 148952 174374 196897 225905 254569 292443 310864Total pressure drops geothermal side kPa 65 66 68 66 67 72 77 76Heating capacity kW 680 774 902 1022 1172 1321 1519 1615Total input power kW 148,93 169,89 193 223,46 256,93 289,20 333,54 355,32COP W/W 4,68 4,67 4,56 4,58 4,56 4,57 4,66 4,55Energy efficiency classification A A A A A A A AWater flow rate condenser l/h 116616 132612 155144 175268 200896 226526 260236 276748Total pressure drops system side kPa 51 52 53 51 52 56 60 59Water flow rate evaporator l/h 92923 105651 121948 139647 160046 180445 207131 220212Total pressure drops geothermal side kPa 30 41 39 28 40 28 29 34

Cooling (14511:2013)Evaporator water temperature (in/out) 12°C/7°C; Condenser water temperature (in/out) 30°C/35°C(1) EUROVENT for reversible units side water certifies the sun made cold (12-7 °C - 30-35 °C)HeatingCondenser water temperature (in/out) 40°C/45°C; Evaporator water temperature (in/out) 10°C/5°C

Model HWF_°E Evaporating unit 2512°E 2812°E 3212°E 3612°E 4212°E 4812°E 5612°E 6412°ECooling capacity kW 540 615 726 816 947 1070 1225 1311Total input power kW 141 161 189 212 246 278 318 340E.E.R. W/W 3,83 3,82 3,84 3,85 3,85 3,85 3,85 3,86Water flow rate evaporator l/h 92883 105773 124872 140352 162884 184040 210700 225492Total pressure drops system side kPa 30 42 39 32 31 44 49 54

Model HWF_AE Evaporating unit 2512°A 2812°A 3212°A 3612°A 4212°A 4812°A 5612°A 6412°ACooling capacity kW 577 657 779 873 1012 1143 1263 1362Total input power kW 143 162 191 214 248 280 320 342E.E.R. W/W 4,03 4,06 4,08 4,08 4,08 4,08 3,95 3,98Water flow rate evaporator l/h 99244 113004 133988 150156 174064 196596 217236 234264Total pressure drops system side kPa 35 48 47 33 49 34 32 39

CoolingEvaporator water temperature (in/out) 12°C/7°C; Condensing temperature 45°C

377Aermec S.p.A.Via Roma, 996 - 37040 Bevilacqua (VR) - ItaliaTel. 0442633111 - Telefax 044293577www.aermec.com


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Technical Data

GENERAL DATA 2512 2812 3212 3612 4212 4812 5612 6412Electrical data

Total input current cooling mode° A 226 255 286 314 378 426 488 530A A 221 249 278 306 367 408 471 514

Total input current heating mode° A 267 300 337 371 446 503 575 625A A 261 293 328 361 433 481 556 606

Total input current cooling mode°E A 247 278 315 345 416 465 532 579AE A 249 281 318 348 418 467 534 581

Maximum current (FLA) A 370 418 468 516 612 690 776 846Starting current (LRA) A 545 613 670 723 892 995 1193 1340Compressors

Compressorstype two screw two screw two screw two screw two screw two screw two screw two screwn° 2 2 2 2 2 2 2 2

Circuits n° 2 2 2 2 2 2 2 2

Capacity control(1) °/A % 12,5-100 12,5-100 12,5-100 12,5-100 12,5-100 12,5-100 12,5-100 12,5-100

(1) E 35-100 35-100 35-100 35-100 35-100 35-100 35-100 35-100Refrigerant type R134a R134a R134a R134a R134a R134a R134a R134aSystem side exchanger

Evaporatortype Shell and tuben° 1 1 1 1 1 1 1 1


Geothermal side exchanger

Condensertype Shell and tuben° 2 2 2 2 2 2 2 2


Sound dataSound power dB(A) 93,6 94,0 93,5 93,7 94,6 95,5 97,3 97,9Sound pressure dB(A) 61,6 62,0 61,5 61,7 62,6 63,5 65,3 65,9Power supply V/ph/Hz 400V/3/50Hz

(1) Electronic expansion valveSound powerAermec determines sound power values on the basis of measurements made in accordance with UNI EN ISO 9614-2, as required for Eurovent certification.Sound pressureSound pressure in free field, at 10 m distance from the external surface of the unit (in accordance with UNI EN ISO 3744). Note: For more information, refer to the selection program or the technical documentation available on the website www.aermec.com

A

B C

Attention: For D - T - E version - please contact us

Dimensions and Weight

Mod HWF 2512° 2812° 3212° 3612° 4212° 4812° 5612° 6412°Height mm (A) 2100 2100 2050 2120 2140 2140 2210 2210width mm (B) 1470 1470 1470 1520 1550 1550 1600 1600depth mm (C) 3690 3690 4030 4030 4370 4370 4610 4760Weight Kg 3570 3650 4470 4750 5100 5200 6110 6310

Mod HWF 2512A 2812A 3212A 3612A 4212A 4812A 5612A 6412AHeight mm (A) 2180 2180 2190 2340 2340 2340 2380 2380width mm (B) 1470 1470 1537 1695 1695 1695 1700 1700depth mm (C) 4330 4330 4330 4370 4550 4550 4800 4800Weight Kg 4080 4140 5470 5950 6290 6460 7310 7410

378

Characteristics

• Cooling only version• New generation two-stage oil free centrifugal

compressor with magnetic levitation friction free bearings

• Plate heat exchangers optimised for use with refrigerant R134a

• Extremely compact: only 805 mm wide to allow access through a standard doorway

• Component layout designed to enable several units to be positioned side by side in restrict-ed plant rooms. Ideal when standby is required or when cooling duty is to be increased at a later date

• High efficiency with generously sizes heat exchanger

• Extraordinary efficiency at part load (up to 30% higher IPLV when compared with standard chillers)

• Electronic expansion valve

Compressor features:• Operates without oil as bearings are magnetic

levitation type. Vibration free and very quiet• Provided with inverter technology that per-

mits capacity modulation down to 25%• Integrated controller that reduces starting cur-

rent to 6 A only• 5 times lighter than an equivalent screw com-

pressor• Electronic controller for monitoring and pro-

active controls• Microprocessor control system• LCD user interface: colour touch-screen with

simple and intuitive graphical menu• Acoustic enclosure: heavy gauge galvanized

sheet steel with internal acoustic insulation.

Water cooled modular chiller with centrifugal compressorTW110

Accessories

• AER485P1TW: RS-485 interface for supervi-sion systems with MODBUS protocol.

• PTW: Remote control of chiller operating functions.

• MULTICHILLER: Control system for multiple

parallel installed constant flow chillers pro-viding individual chiller on/off and control capability. (When this accessory is present, the AER485P1TW is factory fitted as stand-ard).

R134a

Aermec participates in the EUROVENTProgram: LCP The products of interest can be found on the website www.eurovent-certification.com

Aermec S.p.A.Via Roma, 996 - 37040 Bevilacqua (VR) - ItalyTel. 0442633111 - Telefax 044293577www.aermec.com

379Aermec reserves the right to make all modification deemed necessary for improving the product at any time with any modification of technical data.

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Technical data

Dimensions (mm)

OUT Condenser IN

evaporator

INCondenser

OUTevaporator

Mod. TW 110Cooling capacity kW 284Total input power kW 58,47Evaporator water flow rate (7 °C) l/h 49020Evaporator pressure drop kPa 30Condenser water flow rate (30 °C) l/h 58236Condenser pressure drop kPa 43ENERGY INDEXEER W/W 4,86ESEER W/W 7,05ELECTRICAL DATAPower supply - 400V 3~ 50HzInput current A 88Maximum current (FLA) A 134Starting current (LRA) A 6SOUND DATASound pressure dB(A) 77Sound power dB(A) 49HYDRAULIC CONNECTIONEvaporator hydraulic connection (Victaulic) Ø 3”Condenser hydraulic connection (Victaulic) Ø 3”


Cooling- leaving water temperature 7°C;- condenser entering water temperature

30 °C;- Dt = 5 °C;

Sound power:Aermec determines sound power values on the basis of measurements made in accordance with UNI EN ISO 9614-2, as required for Eurovent certification.

Sound pressure:Sound pressure in free field, at 10 m distance from the external surface of the unit (in accordance with UNI EN ISO 3744)

Model TW 110Height [mm] (A) 1727Width [mm] (B) 805Depth [mm] (C) 1653Weight kg 960

A

B

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