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27
INSTALLER
USER
MAINTENANCE TECHNICIAN
TECHNICAL DATA
1.24 BOILER COMPONENTS.
Key:
1 - Sample points (air A) - (ue gases F)
2 - Sealed chamber
3 - Fan
4 - Combustion chamber
5 - D.H.W. probe
6 - Gas valve
7 - D.H.W. ow switch
8 - System lling valve
9 - Positive signal pressure point
10 - Negative signal pressure point
11 - Flue pressure switch
12 - Safety thermostat
13 - Flue hood
14 - Flow probe
15 - Rapid heat exchanger
16 - Ignition and detection electrodes
17 - System expansion vessel
18 - Burner
19 - System pressure switch
20 - Air vent valve
21 - Boiler pump
22 - Manifold
23 - System draining valve
24 - By-pass
25 - 3 bar safety valve
PLEASE NOTE: connection group (optional)
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