4.8
WIRING DIAGRAM
EXPLANATORY NOTES
RES – Electrical backup heater (2,2 kW)
S1 – Water temperature sensor
S2 – Ambient temperature sensor
S3 – Evaporator temperature sensor
VENT – Fan
SV – Solenoid valve
N – Neutral
F – Phase
HP – High pressure switch
LP – Low pressure switch
COMP – Compressor
TB – Thermal fuse
TERM – Compressor thermal
9/10/11 – Phase/Neutral/Ground
T4 – Solar thermal probe
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