Cgs-2R Appliance Description - Wolf CGB-2 Service Instructions Manual

CGS-2R
Gas condensing centre
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1 Gas fan
2 Expansion vessel
3 Mixing valve
4 Gas valve
5 3-way valve
6 Trap
7 Control unit enclosure
(GBC-e burner control unit, top)
(HCM-2 control unit PCB, bottom)
8 Heating flow
9 Gas supply pipe
10 Heating return
11 DHW circulation connection
12 Cylinder flow
13 Flue pipe
14 Combustion chamber cover HLSC (thermostat)
3064812_201804
7. CGS-2R appliance description
15 Combustion chamber temperature sensor
16 Burner
17 Heating water heat exchanger
18 Flue gas temperature sensor
19 Pressure sensor
20 Return temperature sensor
21 Boiler water temperature sensor
22 Heating circuit pump with air vent valve
23 Heating circuit safety valve
24 DHW connection
25 Cold water connection
26 Protective anode
27 Cylinder return
28 Cylinder temperature sensor
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28
(eHLSC sensor)
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