7. Installation of electric devices
7.1 Electrical wiring
●The unit should use a dedicated power supply, power supply voltage with rated voltage.
●Unit power supply circuit must be ground, power supply wire and external grounding reliable connection,
and the external grounding is effective.
●Wiring must be constructed by the professional installation technicians in accordance with the circuit
diagram.
●Power line and signal line layout should be neat, reasonable, can not interfere with each other, but not
with the connecting pipe and the valve body contact.
● If the unit is not matching the power line, please supply specifications refer to provisions, wires
connecting is not allowed.
●After all wiring construction is completed, please check it before switch on the power supply carefully.
7.2 Electrical Wiring Specification
Electrical Wiring Specification
The terminal can connect the wire max. is 4 mm²
Figure 10
7.3 Circulation pump installation
The heat pump only provide the signal for circulation pump, must use an a.c. contactor to
connect the circulation pump.
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