Installation manual
13
RZQ71~125B7V3B
Split System air conditioners
4PW16864-1A
W
IRING
DIAGRAM
A1P ........................... Printed circuit board
A2P ........................... Printed circuit board (INV)
BS1 ........................... Push button switch (forced defrosting/pump
down)
C1~C3R .................... Capacitor
DS1 ........................... Dip switch
E1HC......................... Crankcase heater
F1U ........................... Fuse (250 V, 10 A)
HAP (A1P)................. Service monitor (green)
HAP (A2P)................. Service monitor (green)
H1P (A1P) ................. Service monitor (red)
K1M•K2M .................. Magnetic relay
K1R ........................... Magnetic relay (Y15)
K2R ........................... Magnetic relay
K4R ........................... Magnetic relay (E1HC)
L1R............................ Reactor
M1C........................... Motor (compressor)
M1F•M2F................... Motor (fan)
PS ............................. Power circuit
R1•R2........................ Resistor
R1T............................ Thermistor (air)
R2T............................ Thermistor (coil)
R3T............................ Thermistor (discharge pipe)
R4T............................ Thermistor (suction pipe)
R5T............................ Thermistor (power module)
RC ............................. Signal receiver circuit
S1NPL ....................... Pressure sensor (low)
S1PH ......................... Pressure switch (high)
TC.............................. Signal transmission circuit
V1R ........................... Power module
V2R•V3R ................... Diode module
V1T ............................ Insulated gate bipolar transistor
X6A, X7A ................... Connector (option)
X1M ........................... Terminal strip
Y1E............................ Expansion valve
Y1S............................ 4 way valve
Y2S............................ Solenoid valve
Z1C............................ Noise filter
Z1F ............................ Noise filter (with surge absorber)
: Wire clamp
BLK
: Black
: Terminal
GRN
: Green
: Connector
BRN
: Brown
: Relay connector
BLU
: Blue
: Field wiring
ORG
: Orange
RED
: Red
WHT
: White
YLW
: Yellow
: Refer to the service manual for connecting wiring to
X6A.
: The position of the selector switches (DS1) indicate
the factory setting. For details, refer to the service
manual.
