USER MANUAL CENTRAL HEATING BOILER TYPE C38GC25; C38GC25-P; C38GC29; C38GC35; C38GC35-CH1; C38GC35-CH2
REV. 01.07.2019
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2
Technical and functional characteristics
2.1
Structure
2.1.1
Structure of boiler type C38GC25 / C38GC29 / C38GC35
(*) The boiler in the
standard configuration
is not delivered
equipped with
landmarks from pos. 14.
Equipping the boiler
with those landmarks
can be done by the
producer only by
request.
Tab. 2.1
Components of the condensing boiler
1
Main heat exchanger
15
Ignition electrode
2
Built-in fan nozzle
16
Expansion vessel
3
Over-temperature thermostat
17
Flue gas temperature sensor
4
Heating tour connection
18
Ignition transformer
5
Gas supply connection
19
Pressure relief valve 3 bar
6
3-way valve actuator
20
Expansion vessel connection
7
Heating temperature sensor
21
Return heating temperature sensor
8
Domestic hot water temperature sensor
22
Water pressure sensor
9
Electronic box
23
Pressure valve connection
10
Gas valve
24
Secondary heat exchanger
11
Pump
25
Drain trap for condense
12
Pump automatic air vent
26
Pressure gauge
13
Heating return connection
27
Filling tap
14* Flow switch
Figure