Table of Contents
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1
Overall information
1.1
Overall View
Air pressure
switch
Main heat
exchanger
Burner
Ignition
electrodes
Detection
electrode
Diverter valve
Main circuit
flow switch
Gas valve
Control
panel
1.2
Hydraulic diagram
Central heating (c.h.) operation
C.h.
water return
2
Fan
Safety
thermostat
Combustion
chamber
Automatic
air release
valve
D.h.w. temp.
probe
Pump
D.h.w
flow switch
C.h.
water flow
Domestic hot water (d.h.w.) operation
Expansion
vessel
D.h.w.
heat exchanger
D.h.w.
D.h.w.
inlet
outlet
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Table of Contents
