Metering system - FAR - Metering sy… · 14 - METERING SYSTEM CATALOGUE PRICE LIST 2020.4: 14:...
Transcript of Metering system - FAR - Metering sy… · 14 - METERING SYSTEM CATALOGUE PRICE LIST 2020.4: 14:...
14
Metering system14
Metering modules in box 355
Accessories for metering modules in box 357
Mixed metering modules in box 359
Accessories for mixed metering modules in box 361
Multi-user metering modules 362
Accessories for multi-user metering modules 369
page
CATALOGUE · PRICE LIST 2020.414 - METERING SYSTEM354
14 METERING SYSTEMScheme of a communal system:
CENTRAL HEATING
A dwelling
FIRST FLOOR
SECOND FLOOR
THIRD FLOOR
Hea
ting
riser
s
Dom
estic
ris
ers
C dwelling
E dwelling F dwelling
D dwelling
B dwelling
In order to simplify plant management of metering systems, boxes must be installed outside of each dwelling, in a common place, so they are easily accessible to the administrator and those involved in the verification and maintenance of the plant.
Communal space
Metering box to be installed outside the dwelling
Private space
Heating distribution box to be installed inside the dwelling
Thermostat
T A
T A T A
T A
T AT A
CATALOGUE · PRICE LIST 2020.4 14 - METERING SYSTEM 355
114METERING SYSTEM
2 way module
ATTENTION - Each code is made up of:• ART. 2300 made up of metallic box complete with supports, zone valves and shut-off valves and templates for system test.• ART. 3001-3002 made up of zone valve actuator• ART. 2352 made up of seating for heat meter probe
Art. 3001-3002
Art. 2300 Art. 2352
Accessories for metering boxes on pages 357-358
TECHNICAL FEATURE OF ART. 2300 COMPLETE WITH ARTS. 3001-3002 and ART. 2352ZINC-COATED SHEET BOX complete with:
----
Zinc-coated sheet box.Frame and painted sheet steel cover with lockGuides with supports for fixing of heating/cooling metering units and domestic hot/cold water units.Box sizes 550x550x110 (adjustable depth from 110 to 140mm).
HEATING/COOLING METERING UNIT complete with:
---
No. 4 shut-off ball valves with full bore.2 way zone valve complete with 24/230V actuator and probe seating.Template for heat meter.
METERING UNIT FOR DOMESTIC HOT WATER (ACS) complete with:
---
No. 2 shut-off ball valves with full bore.Non return valve in inlet.Template for water meter.
METERING UNIT FOR DOMESTIC COLD WATER (AFS) complete with:
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No. 2 shut-off ball valves with full bore.Non return valve in inlet.Template for water meter.
Code heat meter template
heating connection
domestic template
domestic connection €
2300 1515 110mm 3/4” M 3/4” 110mm
3/4” M 1/2” 388,88
2300 2515 130mm 1” M 3/4” 110mm
3/4” M 1/2” 401,03
2300 2525 130mm 1” M 3/4” 130mm
1” M 3/4” 423,77
Code voltage opening time €
3001 40 230 V 40 s 139,86
3002 40 24 V 40 s 139,86
Code probe thread €
2352 M10x1 1,12
CATALOGUE · PRICE LIST 2020.414 - METERING SYSTEM356
14 METERING SYSTEM
3 way module
ATTENTION - Each code is made up of:• ART. 2301 made up of metallic box complete with supports, zone valves and shut-off valves and templates for system test.• ART. 3001-3002 made up of zone valve actuator• ART. 2352 made up of seating for heat meter probe
Art. 3001-3002
Art. 2301 Art. 2352
Accessories for metering boxes on pages 357-358
TECHNICAL FEATURE OF ART. 2301 COMPLETE WITH ARTS. 3001-3002 and ART. 2352ZINC-COATED SHEET BOX complete with:
----
Zinc-coated sheet box.Frame and painted sheet steel cover with lockGuides with supports for fixing of heating/cooling metering units and domestic hot/cold water units.Box sizes 550x550x110 (adjustable depth from 110 to 140mm).
HEATING/COOLING METERING UNIT complete with:
---
No. 4 shut-off ball valves with full bore.3 way zone valve complete with 24/230V actuator and probe seating.Template for heat meter.
METERING UNIT FOR DOMESTIC HOT WATER (ACS) complete with:
---
No. 2 shut-off ball valves with full bore.Non return valve in inlet.Template for water meter.
METERING UNIT FOR DOMESTIC COLD WATER (AFS) complete with:
---
No. 2 shut-off ball valves with full bore.Non return valve in inlet.Template for water meter.
Code heat meter template
heating connection
domestic template
domestic connection €
2301 1515 110mm 3/4" M 3/4” 110mm
3/4" M 1/2" 407,50
2301 2515 130mm 1" M 3/4” 110mm
3/4" M 1/2" 422,19
2301 2525 130mm 1" M 3/4” 110mm
1" M 3/4" 444,84
Code voltage opening time €
3001 40 230 V 40 s 139,86
3002 40 24 V 40 s 139,86
Code probe thread €
2352 M10x1 1,12
CATALOGUE · PRICE LIST 2020.4 14 - METERING SYSTEM 357
114METERING SYSTEM
ACCESSORIES FOR METERING BOXES
FAR strainer kit must be used to protect the heat meter on heating/cooling systems if there is not already a general filtering system on the riser. In order to ensure the proper system operation it is necessary to carry out periodic cleaning of the cartridge.
Installation overview in box:
FAR balancing kit is useful for adjusting the flow to be supplied to each unit. The flow is adjusted by rotating the valve handle to the desired position. WIth the system in operation, you can view the actual flow value by scrolling the menu of the FAR electronic heat meter.
Installation overview in box:
ATTENTION:
When ordering metering boxes and FAR strainer kit please specify “PRE-ASSEMBLED IN BOX” beside the code, and the component will be supplied pre-assembled inside the metering box.
ATTENTION:
Art. 2328 STRAINER KIT
Art. 2329 BALANCING KIT
Balancing kit for metering unit.• Body in CR brass• Shaped shutter with EPDM closing gasket• Micrometric handle • Anti-tampering device• Graduated scale with 360° reading
Inclined strainer kit for metering unit.• Body in CW617N brass• Mesh strainer material AISI 304• Filtration level: 600 µm• Male-Female connections with union and sealing gasket• Removable cartridge for cleaning
Art. 2328
Art. 2329
When ordering metering boxes and FAR strainer kit please specify “PRE-ASSEMBLED IN BOX” beside the code, and the component will be supplied pre-assembled inside the metering box.
Code heat meter template € box
2328 12 110mm 3/4” M 10,41 1
2328 34 130mm 1” M 15,48 1
Code heat meter template € box
2329 12 110mm 3/4" M 47,78 1
2329 34 130mm 1" M 59,97 1
CATALOGUE · PRICE LIST 2020.414 - METERING SYSTEM358
14 METERING SYSTEM
ACCESSORIES FOR METERING BOXES
Art. 2357 PRESSURE REDUCING VALVEPressure reducing valve for domestic hot/cold water units. 3 bar preset. It can be used with equipment with nominal flow Qn=1,5 m3/h and with nominal flow Qn=2,5 m3/h.
Installation overview in box:Brass pressure reducing valve for domestic services.• Body material: CR brass• Adjustable downstream pressure: from 1 to 6 bar• Nominal pressure: 16 bar• Max. working temperature: 75°C• Compatible fluids: water and air• 3 bar preset
Art. 2357
Art. 7946 ELECTRONIC CHRONO-THERMOSTAT Weekly electronic chrono-thermostat with digital display.• Battery power (no. 2 AA 1,5V batteries - not supplied)• Operating mode: Auto, Comfort, Economy and OFF/ Frost protection• Program range: 30 minutes• Summer/Winter switch• Wall mounting
Art. 7946
Art. 2653 TEMPERATURE GAUGE
Art. 2653
Ø 40 mm bimetallic temperature gauge• Temperature scale: 0÷80°C • 36 mm sheath
Code heat meter template € box
2357 12 110mm 3/4" M 33,59 1
2357 34 130mm 1" M 36,77 1
Code € box
7946 141,87 1
Code € box
2653 80 7,52 1
CATALOGUE · PRICE LIST 2020.4 14 - METERING SYSTEM 359
114METERING SYSTEM
Mixed metering modules for heating systemswith high temperature connections and FIXED POINT regulating unit
TECHNICAL FEATURES OF ART. 2380 COMPLETE WITH ARTS. 3001-3002 and ART. 2352ZINC-COATED SHEET BOX complete with:
----------
Metal box 850x650x110(140) with sleeves and supports.Balancing valve.Test template for heat meter.Thermo-electric manifolds.Fixed point regulating unit.High efficiency 1-7 m. electronic pumpAdjustable safety thermostat.Strainer.2-way zone valve with 230V actuator.Shut-off valves.
METERING UNIT FOR DOMESTIC HOT WATER (ACS) complete with:
---
N° 2 full bore shut-off ball valves.Inlet non-return valve.Test template for water meter.
METERING UNIT FOR DOMESTIC COLD WATER (AFS) complete with:
---
N° 2 full bore shut-off ball valves.Inlet non-return valve.Test template for water meter.
ATTENTION - Each code is made up of:• ART. 2380 made up of metal box, manifolds, regulating unit, zone valves and shut-off valves and templates for plant test.• ART. ART. 3001-3002 made up of zone valve actuator.• ART. 2352 made up of seating for heat meter probe
Art. 3001-3002
Art. 2380 Art. 2352
Accessories for metering boxes on page 361
Code heat meter template
heating connection
domestic template
domestic connection €
2380 251500 110mm 1" M 1” 110mm
3/4" M 1/2" 1.298,17
2380 251502 130mm 1" M 1” 110mm
3/4" M 1/2” 1.412,88
2380 251503 130mm 1" M 1” 110mm
3/4" M 1/2" 1.440,04
Code voltage opening time €
3001 40 230 V 40 s 139,86
3002 40 24 V 40 s 139,86
Code probe thread €
2352 M10x1 1,12
CATALOGUE · PRICE LIST 2020.414 - METERING SYSTEM360
14 METERING SYSTEM
Mixed metering module for heating systemswith high temperature connections and modulating/regulating unit
TECHNICAL FEATURES ART. 2381 COMPLETE WITH ARTS. 3001-3002 and ART. 2352ZINC-COATED SHEET BOX complete with:
----------
Metal box 850x650x110(140) with sleeves and supports.Balancing valve.Test template for heat meter.Thermo-electric manifolds.Modulating/regulating unit with mixing valve and 230 V 3-point actuatorHigh efficiency 1-7 m. electronic pumpAdjustable safety thermostat.Strainer.2-way zone valve with 230V actuator.Shut-off valves.
METERING UNIT FOR DOMESTIC HOT WATER (ACS) complete with:
---
N° 2 full bore shut-off ball valves.Inlet non-return valve.Test template for water meter.
METERING UNIT FOR DOMESTIC COLD WATER (AFS) complete with:
---
N° 2 full bore shut-off ball valves.Inlet non-return valve.Test template for water meter.
ATTENTION - Each code is made up of:• ART. 2381 made up of metal box, manifolds, regulating unit, zone valves and shut-off valves and templates for plant test.• ART. ART. 3001-3002 made up of zone valve actuator.• ART. 2352 made up of seating for heat meter probe
Art. 3001-3002
Art. 2381 Art. 2352
Accessories for metering boxes on page 361
Code outlets AT
heat meter template
heating connection
domestic template
domestic connection €
2381 251502 2 130mm 1" M 1” 110mm
3/4" M 1/2" 1.522,47
2381 251503 3 130mm 1" M 1” 110mm
3/4" M 1/2" 1.549,65
Code voltage opening time €
3001 40 230 V 40 s 139,86
3002 40 24 V 40 s 139,86
Code probe thread €
2352 M10x1 1,12
CATALOGUE · PRICE LIST 2020.4 14 - METERING SYSTEM 361
114METERING SYSTEM
ACCESSORIES
Art. 9611 ELECTRONIC CONTROLLERElectronic controller for heating systems:• Climatic or set point operation• easy interface• pump control• room thermostat inlet• system control and safety functions• complete with supply and external probe
Art. 7946 ELECTRONIC CHRONO-THERMOSTAT
Art. 9611
Weekly electronic chrono-thermostat with digital display.• Battery power (no. 2 AA 1,5V batteries - not supplied)• Operating mode: Auto, Comfort, Economy and OFF/ Frost protection• Program range: 30 minutes• Summer/Winter switch• Wall mounting
Art. 7946
Art. 2355 FROST PROTECTION HEATING CABLEFrost protection heating cable, constant power, complete with thermostat.• Cable length: 3m (with schuko plug)• Minimum installation temperature: -35°C• Maximum installation temperature: 60°C• Feed voltage: 230V• Intervention temperature: Ton = +5°C Toff = +15°C• Nominal power: 10 W/m
Art. 2355
Art. 2653 TEMPERATURE GAUGE
Art. 2653
Ø 40 mm bimetallic temperature gauge• Temperature scale: 0÷80°C • 36 mm sheath
Code € box
9611 446,93 1
Code € box
7946 141,87 1
Code € box
2355 99,75 1
Code € box
2653 80 7,52 1
CATALOGUE · PRICE LIST 2020.414 - METERING SYSTEM362
14 METERING SYSTEM
MULTI-USER METERING MODULE
In addition to the metering boxes, it is also possible to install metering modules in a vertical position.In this type of application the metering units are configured vertically, directly from the manifolds to which are connected the shut-off valves, the non-return valves, instrumentation (the three-way zone valve actuator, the heat meter and the water meters- hot and cold domestic water) and accessories (strainer and balancing valve). All vertical metering units are provided with insulation shells.These units are installed on a plate of 1150x770mm size and may serve the heating/cooling systems and metering systems for domestic water for two to four users.The connection of the manifolds to the distribution risers is effected by means of appropriate eccentric fittings (Art.5564) or 3-piece connections (Art.5140), as shown on page 363.
SECOND FLOOR
FIRSTFLOOR
HOT WATERRISER
DISTRIBUTION TODWELLINGS
DISTRIBUTION TODWELLINGS
COLD WATER RISER
SUPPLYRISER
RETURN RISER
CATALOGUE · PRICE LIST 2020.4 14 - METERING SYSTEM 363
114METERING SYSTEM
Vertical metering modules - Overview
The diagram on the left shows an example of a system in which the heating risers are to one side of the plate and the domestic risers are on the other side. The figures below show the details of a connection of the manifolds to the distribution risers. The connections of domestic water risers are effected by means of 1”1/4 eccentric fittings , while the connections of supply and return risers for heating systems can be carried out by means of 1”1/2 eccentric fittings. Unused manifold ends can be closed by an appropriate end plug.
In other types of installations the heating supply and hot water risers are placed on one side of the plate, while the heating return and domestic cold water risers are placed on the opposite side. Therefore connection of the farthest riser can be effected by means of an eccentric fitting , while a three-piece or bent fitting can be used to connect the nearest one.
This page shows some examples of connection of vertical metering modules to distribution heating and domestic risers. The installer will choose the appropriate connection , according to the system installed in the building.
See the eccentric fitting, 3-piece fitting and end plug on page 353.
DO
MES
TIC
WAT
ERRI
SERS
HEA
TIN
G R
ISER
S
HEA
TIN
G S
UPP
LY A
ND
HO
T D
OM
ESTI
C W
ATER
RIS
ERS
HEA
TIN
G R
ETU
RN A
ND
CO
LD D
OM
ESTI
C W
ATER
RIS
ERS
CATALOGUE · PRICE LIST 2020.414 - METERING SYSTEM364
14 METERING SYSTEM
MULTI-USER PLATE COMPONENTS
Each metering module is made up of components shown in the below scheme.
1”1/2 MODULARCOPLANAR MANIFOLD
MULTI-USERPLATE
BY-PASSVALVE
BALANCING VALVE
STRAINER
3-WAY ZONE VALVE
1”1/4 MODULARCOPLANAR MANIFOLD
INSULATION SHELLFOR HEATING SYSTEM
INSULATION SHELLFOR DOMESTIC SYSTEM
Each user, both for heating and for sanitary system, is provided with upstream and downstream shut-off valves for any future maintenance or replacement of components.
WATER METERTEMPLATE
HEAT METERTEMPLATE
CATALOGUE · PRICE LIST 2020.4 14 - METERING SYSTEM 365
114METERING SYSTEM
Module for 2 users
ATTENTION - Each code is made up of:• ART. 2361 02 made up of plate, modular coplanar manifolds, zone valves and shut-off valves and templates for plant test.• ART. ART. 3001-3002 made up of zone valve actuator.• ART. 2352 made up of seating for heat meter probe
TECHNICAL FEATURES ART. 2361 02 COMPLETE WITH ARTS. 3001-3002 and ART. 2352METERING UNIT FOR HEATING/COOLING SYSTEMS complete with:
------
1”1/2 modular coplanar manifoldN° 3+3 full bore ball shut-off valves.N° 2 3-way zone valves with adjustable by-pass, complete with 24/230V actuator and probe seating.N° 2 balancing valves and strainers.N° 2 templates for heat metersN° 2 insulation shells.
METERING UNITS FOR HOT AND COLD DOMESTIC WATER complete with :
-----
1”1/4 modular coplanar manifold.N° 4 full bore ball shut-off valves.N° 4 shut-off valves with inlet non-return valve.N° 4 templates for water meter.N° 2 insulation shells.
Art. 3001-3002
Art. 2361 02 Art. 2352
Accessories for metering boxes on page 369
Code heat meter template
heating connection
domestic template
domestic connection €
2361 02 130mm 1" M 3/4” 110mm
3/4" M 1/2" 1.579,68
Code voltage opening time €
3001 40 230 V 40 s 139,86
3002 40 24 V 40 s 139,86
Code probe thread €
2352 M10x1 1,12
CATALOGUE · PRICE LIST 2020.414 - METERING SYSTEM366
14 METERING SYSTEM
Module for 3 users
ATTENTION - Each code is made up of:• ART. 2361 03 made up of plate, modular coplanar manifolds, zone valves and shut-off valves and templates for plant test.• ART. ART. 3001-3002 made up of zone valve actuator.• ART. 2352 made up of seating for heat meter probe
TECHNICAL FEATURES ART. 2361 03 COMPLETE WITH ARTS. 3001-3002 and ART. 2352METERING UNIT FOR HEATING/COOLING SYSTEMS complete with:
------
1”1/2 modular coplanar manifoldN° 3+3+3 full bore ball shut-off valves.N° 3 3-way zone valves with adjustable by-pass, complete with 24/230V actuator and probe seating.N° 3 balancing valves and strainers.N° 3 templates for heat metersN° 3 insulation shells.
METERING UNITS FOR HOT AND COLD DOMESTIC WATER complete with :
-----
1”1/4 modular coplanar manifold.N° 6 full bore ball shut-off valves.N° 6 shut-off valves with inlet non-return valve.N° 6 templates for water meter.N° 3 insulation shells.
Art. 3001-3002
Art. 2361 03 Art. 2352
Accessories for metering boxes on page 369
Code heat meter template
heating connection
domestic template
domestic connection €
2361 03 130mm 1" M 3/4” 110mm
3/4" M 1/2" 2.369,64
Code voltage opening time €
3001 40 230 V 40 s 139,86
3002 40 24 V 40 s 139,86
Code probe thread €
2352 M10x1 1,12
CATALOGUE · PRICE LIST 2020.4 14 - METERING SYSTEM 367
114METERING SYSTEM
Module for 4 users
ATTENTION - Each code is made up of:• ART. 2361 04 made up of plate, modular coplanar manifolds, zone valves and shut-off valves and templates for plant test.• ART. ART. 3001-3002 made up of zone valve actuator.• ART. 2352 made up of seating for heat meter probe
TECHNICAL FEATURES ART. 2361 04 COMPLETE WITH ARTS. 3001-3002 and ART. 2352METERING UNIT FOR HEATING/COOLING SYSTEMS complete with:
------
1”1/2 modular coplanar manifoldN° 3+3+3+3 full bore ball shut-off valves.N° 4 3-way zone valves with adjustable by-pass, complete with 24/230V actuator and probe seating.N° 4 balancing valves and strainers.N° 4 templates for heat metersN° 4 insulation shells
METERING UNITS FOR HOT AND COLD DOMESTIC WATER complete with :
-----
1”1/4 modular coplanar manifold.N° 8 full bore ball shut-off valves.N° 8 shut-off valves with inlet non-return valve.N° 8 templates for water meter.N° 4 insulation shells.
Art. 3001-3002
Art. 2361 04 Art. 2352
Accessories for metering boxes on page 369
Code heat meter template
heating connection
domestic template
domestic connection €
2361 04 130mm 1" M 3/4” 110mm
3/4" M 1/2" 3.159,35
Code voltage opening time €
3001 40 230 V 40 s 139,86
3002 40 24 V 40 s 139,86
Code probe thread €
2352 M10x1 1,12
CATALOGUE · PRICE LIST 2020.414 - METERING SYSTEM368
14 METERING SYSTEM
Module for 1 user
ATTENTION - Each code is made up of:• ART. 2360 2515 made up of plate, modular coplanar manifolds, zone valves and shut-off valves and templates for plant test.• ART. ART. 3001-3002 made up of zone valve actuator.• ART. 2352 made up of seating for heat meter probe
TECHNICAL FEATURES ART. 2360 COMPLETE WITH ARTS. 3001-3002 and ART. 2352METERING UNIT FOR HEATING/COOLING SYSTEMS complete with:
------
1”1/2 modular coplanar manifoldN° 3 full bore ball shut-off valves.N° 1 3-way zone valves with adjustable by-pass, complete with 24/230V actuator and probe seating.N° 1 balancing valves and strainers.N° 1 templates for heat metersN° 1 insulation shell.
METERING UNITS FOR HOT AND COLD DOMESTIC WATER complete with :
-----
1”1/4 modular coplanar manifold.N° 2 full bore ball shut-off valves.N° 2 shut-off valves with inlet non-return valve.N° 2 templates for water meter.N° 1 insulation shells.
Art. 3001-3002
Art. 2360 2515 Art. 2352
Accessories for metering boxes on page 369
Code heat meter template
heating connection
domestic template
domestic connection €
2360 2515 130mm 1" M 3/4” 110mm
3/4" M 1/2" 610,63
Code voltage opening time €
3001 40 230 V 40 s 139,86
3002 40 24 V 40 s 139,86
Code probe thread €
2352 M10x1 1,12
CATALOGUE · PRICE LIST 2020.4 14 - METERING SYSTEM 369
114METERING SYSTEM
ACCESSORIES FOR MULTI-USER UNITS
Fittings
Cover for plate
3-piece straight connection, brass version• male-female connections
Eccentric fitting, brass version• male-female connections• 6 cm centre distance
Terminal plug, brass version.• body in CR (DZR) brass• sealing O-Ring
Cover for multi-user plate complete with fixing brackets and lock.• Suitable for Art. 2361.
Art. 5140
Art. 5564
Art. 4149
Art. 2362
Art. 7479 COMPLETE BRACKET
Bracket in stainless steel complete with screws for manifolds fixing.• Suitable for Art. 2360.
Art. 7479
Code size € box
5140 114 1”1/4 17,09 1
5140 112 1”1/2 37,91 1
Code size € box
5564 6114 1”1/4 31,90 1
5564 6112 1”1/2 46,52 1
Code size € box
4149 114 1”1/4 4,76 1
4149 112 1”1/2 7,53 1
Code € box
7479 80 13,59 1
7479 170 19,43 1
Code € box
2362 190,16 1
CATALOGUE · PRICE LIST 2020.414 - METERING SYSTEM370
14 METERING SYSTEM
B
A
Ø1
Ø2
ART. 2328CODE Ø1 Ø2 A B
2328 12 G3/4 G3/4 84 442328 34 G1 G1 98 52
C
Ø1
AB
Ø1
ART. 2357CODE Ø1 A B C
2357 12 G3/4 95 78 842357 34 G1 98 78 91
Ø1
BA
C
D
CH
Ø1
ART. 2329CODE Ø1 A B C D CH
2329 12 G3/4 164 111 105 52 282329 34 G1 186 127 122 52 33
CB
A
GD
EF
H
I
ART. 2381CODE A B C D E F G H I
2381 251502 650 850 110 197 145 118 100 90 1692381 251503 650 850 110 197 145 118 100 90 169
CB
A
GD
EF
H
I
ART. 2380CODE A B C D E F G H I
2380 251502 650 850 110 197 145 118 100 90 1632380 251503 650 850 110 197 145 118 100 90 163
A
CD
EF
B G
Ø1
Ø2
Ø4
Ø3
ART. 2361CODE Ø1 Ø2 Ø3 Ø4 A B C D E F G
2361 G1 1/2 G1 1/4 G3/4 G1/2 1150 770 96 90 70 335 191
ART. 7479CODE A B C D E F G
7479 80 50 8 59 124 84 -- 107479 170 50 8 59 124 -- 180 10
D
C
E
F
B
G
A