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Wiring Diagrams (Cont.)
Wiring Diagram
53QDMT36-518 Heat Pump 380-420/3/50
53QDMT42-518 Heat Pump 380-420/3/50
53QDMT48-518 Heat Pump 380-420/3/50
53QDMT60-518 Heat Pump 380-420/3/50
LEGEND : INDOOR UNIT
CAP1 : INDOOR FAN CAP. RT1 : INDOOR AIR SENSOR
CN1-CN33 : P.C.B SOCKETS RT2 : INDOOR COIL SENSOR
T4 : TRANSFORMER XT1 : 8-WAY TERMINAL
FAN1 : FAN MOTOR K3 : WATER LEVEL SWITCH
XP1 ˜ 4 : CONNECTORS KM1 : RELAY FOR COMPRESSOR
XS1 ˜ 4 : CONNECTORS CN20 : NET CONTROL INTERFACE
LEGEND : OUTDOOR UNIT
COMP : COMPRESSOR RT3 : OUTDOOR COIL SENSOR
CONT : CONTACTOR FC : FAN CAPACITOR
CTB : COND. TERMINAL BLOCK FM : OUTDOOR FAN MOTOR
OL : OVERLOAD R : RESISTANCE
RVS : 4 WAY REVERSING VALVE C-HTR : CRANKCASE HEATER
LEGEND : TERMINAL BOX
A1 : LIVE CONNECTON W2 : OUTDOOR FAN CONTROL
N1 : NEUTRAL CONNECTON O : REVERSING VALVE CONTROL
Y : COMPRESSOR CONTROL
WIRE COLORS
WH : WHITE OR : ORANGE
BK : BLACK BL : BLUE
BR : BROWN RD : RED
YL : YELLOW YL/ GR : YELLOW / GREEN
NOTES
➀ MAIN SWITCH ➁ TIME DELAY FUSE OR CIRCUIT BREAKER
➂ DOTTED WIRES TO BE FITTED BY INSTALLER ➃ ALL ITEMS IN DASHED RECTANGLES ARE OPTIONAL
➄ THE SYSTEM SHALL BE INSTALLED ACCORDING TO NATIONAL WIRING REGULATIONS
FIELD ELECTRICAL WIRING
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