23
GB
A1 Heating control PCB
A2 Indoor unit PCB
CC1 Communication and control module
E1 Water pressostat
F1 Automatic - heater safety thermostat
F2 Manual - heater safety thermostat
J1 Water flow switch
KA1 Heater fault relay
KA2 Water flow relay
KA3 Water flow relay
KA4 Circulator pump relay
KM1 R1 contactor
KM2 R2 contactor
KM3 R3 contactor
M1 Water circulator pump
Q1 R1 circuit breaker
Q2 R2 circuit breaker
Q3 R3 circuit breaker
Q4 Control circuit breaker
R1 Support heating element
R2 Support heating element
R3 Support heating element
S1 Water inlet temperature sensor (system)
S2 Water outlet temperature sensor
S3 Outdoor air temperature sensor
S4 Heat pump exchanger temperature sensor (E2)
S5 Water return temperature sensor (Heat pump) (TA)
S6 Gas line temperature sensor
Symbols of the components
BLU Blue BRN Brown
BLK Black YEL/GRN Yellow/Green
PNK Pink VLT Violet
RED Red YEL Yellow
WHT White
Colours of the wires
NOTE: Removing the jumper JP1, COOL mode will be available.
JP1
JP1