Midea RSJ-420/PZN1-H - Wired Controller

MCAC-HTSM-201506 Midea R410A Direct Heating Commercial Heat Pump 50Hz Technical Manual
40
RSJ-800/SZN1-H
Power supply
380-415V, 3Ph, 50Hz
Min. wire size
(metal pipe & synthetic resin pipe wire)
Wire size (˂30m)
25mm
2
Ground wire
25mm
2
Manual switch
Capacity
125A
Fuse
100A
Leakage protector
30mA 0.1sec below
 Specifications of controlling wire
Item
Size (UL1015)
Remarks
E-heater controlling wire
18#
2-core
Circulating water pump controlling wire
18#
2-core
Remote alarm control wire
18#
2-core
Communication cable (shield)
22#
3-core
Wired controller power supply wire
22#
2-core
Targe flow switch
22#
2-core
 Wiring diagram of water heater power
Single unit: