39
Control System Instruction
Power cable connection diagram
PCB instruction
■ Connection illustration for pumps and auxiliary heater
1. The dimension of power cable connection refer to electical parameters.
2. All wires must be securely connected.
3. Wires must not contact the refrigerating pipes or moving parts of the compressor.
1. KM8 is contactor for pump, KM7 is contactor for auxiliary heater, they are customer provided.
The connecting ports are only for control signal but not for driving the parts, and it's for master unit wiring
only, slave unit doesn't need to wire.
2. SV6 is solenoid valve for water refill, customer provided.
Note:
------- Parts within the dashed box are to be connected onsite. The output voltage of the module interface is
220-240V.
—— Parts within the real-line box are connected before delivery.
For more detials of onsite wiring instruciton please refer to wiring digrams.
N
R
T N
S
T N
R S
L1
L2
L3
N
S
R
T
PE
Breaker
380V/3N/50Hz
Breaker
Breaker
Master
0# Slave
14# Slave
