Wolf CGS-2-14/120L Installation Instructions Manual page 13

CGS-2R
Gas condensing centre
with cylinder with internal
indirect coil
1
2
3
4
5
6
7
8
9
10
11
12
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
14 Combustion chamber cover HLSC (thermostat)
3064816_201804
5. CGS-2R layout
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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25
26
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28
(eHLSC sensor)
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