8
Wiring diagram
Fig. 5 - Wiring diagram
Hydraulic circuit
Fig. 6 - Hydraulic circuit
Gas
CR
Legend
EL Electrode ignition
TR Ignition transformer
F Fan
FX Domestic water flowmeter
LT Limit thermostat
SP Domestic water probe
GV Gas valve
HM Gas shutter for high modulation
SI NTC probe water inlet (optional)
CR Remote controller (optional)
Fan
Limit thermostat
Gas valve
NTC probe
DHW output
DHW input
Heat exchanger
Burner
Flowmeter
Delivery limiter
Blu - blue
Marrone - brown
Viola - violet
Grigio - grey
Nero - black
Rosso - red
Bianco - white
Azzurro - light blue
Rosa - pink
Giallo - yellow