57
Multi-functional DC inverter air/water heat pump
GB
Electrical connection
3.4
Wiring diagram for 650001333 (18 kW)
E1: DHW electrical booster heater
E2: Buffer storage tank electrical booster heater
C1: Integrated circulation pump
C2: Auxiliary pump or heating circuit pump
C3: DHW circulation pump
G1: DHW 3-way valve
G2: 3-way valve (G2L: OFF: Cooling or G2L; ON: Heating)
G3: Solar 3-way valve (auxiliary AC heating solar)
K1: Switch Heating
K2: Switch Cooling
K3: Reserved
K4: Flow switch
K5: Thermostat switch
K6: Reserved
K7: Cut-out electrical supplier
K8: Reserved
T1: Discharge temperature sensor
T2: Room temperature sensor
T3: Coil temperature sensor
T4: Ambient temperature sensor
T5: Suction temperature sensor
T6: Solar temperature sensor or DHW circulation
temperature sensor
T7: Reserved
T11: Return temperature sensor
T12: Flow temperature sensor
T13: Temperature sensor
T14: Reserved
T15: Reserved
T16: Fluid temperature sensor
refrigerant
4-w
ay valv
e
Water flow meter
High-pressure
sensor
Compr
ess
or hea
ting
Low-pressure
sensor
18 KW