Carrier 12K Manual page 98

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