Immergas ZEUS Maior - Main Internal Components; Boiler Component Identification Diagram

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STZM@ ed 05/04 ZEUS Maior @
Technical Documentation
Technical Documentation
ZEUS Maior @ main components.
Legend:
1 - Testing holes (A air) - (F flue)
2 - Flue pressure switch
3 - Central heating delivery NTC probe and limit
4 - Primary exchanger
5 - Overtemperature safety thermostat
6 - Combustion chamber
7 - Automatic air vent
8 - Circulator
9 - Gas valve
10 - Motorised 3-way diverter valve
11 - System draining cock
12 - System filling valve
13 - Airtight chamber
14 - Draught diverter
15 - System expansion tank
16 - Ignition/detection electrodes
17 - Burner
18 - Domestic hot water NTC probe
19 - 316L stainless steel storage tank
20 - System water pressure switch (absolute)
21 - System 3-bar safety valve
22 - D.h.w. 8-bar safety valve
23 - Storage tank draining cock
24 - Fumes expulsion fan
25 - Pressure point, positive signal
26 - Pressure point, negative signal
27 - D.h.w. expansion tank
28 - Adjustable by-pass