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MCAC-RTSM-2013-12
Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual
31
8.Electric Wiring
1. Attention
● The water heater should powered separately and the power voltage should be in line with rated
voltage..
● The power supply circuit of the water heater should be earthed, the power cord should be connected
with the external earthed line in reliable state and all the external earthed cables are effective.
● The construction of the wiring should be carried out by professionals in accordance with the circuit
diagram.
● Set up leakage protection devices in accordance with the requirements of the relevant national
technical standards.
● The power cord and the signal line should be laid neatly without cross-interfere and should not contact
with the connecting pipe and the valves.
● The unit is not equipped with power cord. Please refer to the prescribed power specification for
selecting the power cord and cross-connection between two lines are not allowed.
● Check whether all the connections are correct before powering the unit.
2. Electric Control Box Wiring Diagram
G A B C N
~380V
Wire controller
Circulating pump
Electric-heate
r
~220V
~220V