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• Split Sky Air • Outdoor Units
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7
7
Wiring diagram
7 - 1
Wiring diagram
RR125B7W1B
2TW26416-1B
LEGEND
A1P
Printed circuit board
BS1
Push button switch
(forced defrost-pump
down)
C1
Capacitor (M1F)
C2
Capacitor (M2F)
DS1
Dip switch
E1HC
Crankcase heater
F1U, F2U
Fuse (T6.3/250V)
HAP
Light emitting diode
(service monitor green)
K1M
Magnetic contactor
(M1C)
K1R
Magnetic relay (K1M)
K2R
Magnetic relay (Y2S)
K3R
Magnetic relay (E1HC)
K4R
Magnetic relay (Y1S)
K5R, K6R,
K7R
Magnetic relay (M1F)
K8R, K9R,
K10R
Magnetic relay (M2F)
M1C
Motor compressor
M1F, M2F
Motor fan
PC
Power circuit
Q1DI
Earth leakage breaker
(30 mA)
Q1M
Thermo switch (M1F)
Q1RP
Phase reverse circuit
R1T
Thermistor (Air)
R2T
Thermistor (Coil)
R3T
Thermistor (Discharge
pipe)
RC
Signal receiver circuit
S1PH
Pressure switch (high)
S1PL
Pressure switch (low)
SD
Safety devices input
T1A
Current transformer
TC
Signal transmission
circuit
X1M, X2M
Terminal strip
Y1E
Expansion valve
(electronic)
Y1S
4-way valve
Y2S
Solenoid valve
CT
Current transformer
NOTE
1
Confirm the method of
setting the dip switch (DS1)
by service manual. When
the unit is shipped by
factory all switches are set
to be off.
Power supply
3N~50 Hz
400V
indoor
Switch box (outdoor)
Position of
compressor
terminal
Wire
entrance
Field wiring
Terminal
BLK: black
BLU: blue
ORG: orange
RED: red
WHT: white
YLW: yellow
Live
Neutral
Connector
Protective earth (screw)
Terminal
outdoor
125 class