Wolf CGB-2 - CGB-2 K Appliance Description

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4. CGB-2Kappliancedescription
1 Gas fan
2 Expansion vessel
3 Mixing valve
4 Gas valve
5 Trap
6 3-way valve
7 Control unit enclosure
(GBC-e burner control unit, top)
(HCM-2 control unit PCB, bottom)
8 Flue pipe
9 Combustion chamber cover HLSC (thermostat)
10 Combustion chamber temperature sensor
(eHLSC sensor)
11 Burner
12 Heating water heat exchanger
13 Flue gas temperature sensor
14 Pressure sensor
15 Return temperature sensor
16 Boiler water temperature sensor
17 Heating circuit pump with air vent valve
18 Plate heat exchanger
19 Flow limiter
20 Flow sensor
21 DHW outlet temperature sensor
22 Heating return
23 Cold water connection
24 Gas supply pipe
25 DHW connection
26 Heating ow
CGB-2K
Wall mounted gas condensing combi boiler
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