Set-Up - Wolf FGB-K Series Installation And Maintenance Instructions For Contractors

FGB wall mounted gas condensing boiler
1
2
3
4
5
6
7
8
9
10
1 Flue pipe
2 Burner
3 Boiler water temperature sensor
4 Heating water heat exchanger
5 Gas fan
6 Mixing valve (venturi insert)
7 Gas valve
8 Inlet pipe
9 Trap
10 Control unit casing
11 Air vent valve
12 Combustion chamber - high limit safety cut-out
10

5. Set-up

19 20
13 Expansion vessel
14 Pressure sensor
15 Return temperature sensor
16 Flue gas temperature sensor
17 3-way valve (motor)
18 Heating circuit pump with air vent valve
19 Heating flow
20 Cylinder flow
21 Gas supply pipe
22 Cylinder return
23 Heating return
21 22 23
11
12
13
14
15
16
17
18
3064458_201811