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Green Heating Technology
13
SERVICE
M
anual
City Class F-FR
Hydraulic components FR
1 Flue pressure switch
2 Flue hood
3 Expansion vessel
5 Safety thermostat on system flow
6 Temperature Sensor, system flow
7 Motorized 3-way valve
8 Automatic Venting Device
(heating circuit, incorporated in the pump)
9 Safety valve 3 bar
10 Pump
11 Drain valve
12 Loss of water pressure switch
13 Gas valve
14 System pressure gauge
15 By-pass (in-built in the 3-way valve hydraulic
assembly)
16 Burner
17 Primary exchanger
18 Sealed chamber
19 Fan
R Heating return
M Heating flow
RB Return from storage coil
MB Flow to storage coil
G Gas inlet
FR
00384 00
M
R
M RB
MB
G
3
14
16
17
18
19
15
7
9
11
10
8
13
7
6
5
2
1
Содержание CITY CLASS 20 F
Страница 1: ...CITY CLASS Manual SERVICE ENG 20 F 25 F 30 F 35 F 20 FR 25 FR 30 FR 35 FR Green Heating Technology ...
Страница 18: ...Green Heating Technology 18 SERVICE Manual City Class F FR DHW exchanger F FR ...
Страница 20: ...Green Heating Technology 20 SERVICE Manual City Class F FR Combustion components F FR ...