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1.22 BOILER COMPONENTS.
Key:
1 - Sample points (air A) - (flue gas F)
2 - Sealed Chamber
3 - Fan
4 - Combustion chamber
5 - Gas valve
6 - System filling valve
7 - Positive signal pressure point
8 - Negative signal pressure point
9 - Flue pressure switch
10 - Delivery probe
11 - Fumes hood
12 - Safety thermostat
13 - Primary heat exchanger
14 - Ignition and detection electrodes
15 - System expansion vessel
16 - Burner
17 - System pressure switch
18 - Vent valve
19 - Boiler pump
20 - Three-way valve (motorised) (optional)
21 - System draining valve
22 - By-pass
23 - 3 bar safety valve
N.B.: connection group (optional)
Summary of Contents for MINI NIKE X 24 3 E
Page 1: ...MINI EOLO X 24 3 E Instruction and recommendation booklet IE 1 038775ENG ...
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Page 28: ...28 3 5 4 4 5 6 6 d d c INSTALLER USER MAINTENANCE TECHNICIAN ...
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