17
DOMITOP HF 24 - 30 E
FERELLA GOLD HF 24 - 30 MEL
Version - 09.2002
43
49
50
56
81
44
32
20
82
222
5
29-187
16
74
14
114
34
- +
11
7
10
2.3 Gas circuit
Gas circuit diagram
Key
5
Airtight chamber
7
Inlet
1 0
System delivery
1 1
System return
1 4
Safety valve
1 6
Fan
2 0
Burner assembly
2 9
Fume outlet manifold
3 2
Heating circulator
3 4
Heating temp. sensor
4 3
Air pressure switch
4 4
Gas valve
4 9
Safety thermostat
5 0
Heating thermostat
5 6
Expansion tank
7 4
Heating system cock
8 1
Ignition electrode
8 2
Detection electrode
8 4
1st gas valve operator
1 1 4
Water pressure switch
1 8 7
Fume diaphragm
2 2 2
Copper exchanger
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