9 Technical data
Installation and operation manual
27
RXYSQ6TMYFK
VRV IV-S system air conditioner
4P524881-1 – 2018.02
9.5
Wiring diagram: Outdoor unit
The wiring diagram is delivered with the unit, located at the inside of
the service cover.
Notes:
1
This wiring diagram applies only to the outdoor unit.
2
Symbols (see below).
3
Refer to the installation manual for connection wiring to
INDOOR-OUTDOOR transmission F1-F2 and OUTDOOR-
OUTDOOR transmission F1-F2.
4
Refer to the installation manual for how to use the BS1~BS3
switches.
5
When operating, do not short-circuit protective device S1PH.
6
Colours (see below).
Symbols:
L
Live
N
Neutral
Field wiring
Terminal strip
Connector
Fixed connector
Movable connector
Protective earth (screw)
Noiseless earth
Terminal
Colours:
BLK
Black
BLU
Blue
BRN
Brown
GRN
Green
ORG
Orange
RED
Red
WHT
White
YLW
Yellow
Legend:
A1P
Printed circuit board (main)
A2P
Printed circuit board (noise filter)
A3P
Printed circuit board (inverter)
A4P
Printed circuit board (fan 1)
A5P
Printed circuit board (fan 2)
BS1~BS3
Push button switch (A1P)(mode, set, return)
C47, C48
Capacitor (A3P)
DS1, DS2
DIP switch (A1P)
E1HC
Crankcase heater
F1U, F2U
Fuse (T 3.15 A / 250 V) (A1P)
F101U
Fuse (A4P) (A5P)
F411U,
F412U
Fuse (A2P)
F601U
Fuse (A3P)
HAP
Light-emitting diode (service monitor is green) (A1P)
(A3P) (A4P) (A5P)
K1M
Magnetic contactor (A3P)
K1R
Magnetic relay (A3P)
K3R
Magnetic relay (A3P)
K4R
Magnetic relay (Y2S) (A1P)
K7R
Magnetic relay (E1HC) (A1P)
K11R
Magnetic relay (Y1S) (A1P)
L1R
Reactor
M1C
Motor (compressor)
M1F, M2F
Motor (upper and lower fan)
PS
Switching power supply (A1P) (A3P)
Q1LD
Leakage detection circuit (A1P)
Q1RP
Phase reversal detect circuit (A1P)
R1T
Thermistor (air)(A1P)
R21T
Thermistor (M1C discharge)
R3T
Thermistor (accumulator)
R4T
Thermistor (heat exchanger liquid pipe)
R5T
Thermistor (subcool liquid pipe)
R6T
Thermistor (heat exchanger gas pipe)
R7T
Thermistor (heat exchanger de-icer)
R8T
Thermistor (M1C body)
R1
Resistor (current limiting) (A3P)
R24
Resistor (current sensor) (A4P)
R313
Resistor (current sensor) (A3P)
R865, R867
Resistor (A3P)
S1NPH
High pressure sensor (high)
S1NPL
Low pressure sensor (low)
S1PH
High pressure switch (high)
SEG1~SEG3 7-segment display (A1P)
T1A
Current sensor
V1R
Power module (A3P) (A4P) (A5P)
V2R
Power module (A3P)
X1A, X2A
Connector (M1F)
X3A, X4A
Connector (M2F)
X1M
Terminal strip (power supply)
X1M
Terminal strip (control) (A1P)
Y1E
Electronic expansion valve (main)
Y2E
Electronic expansion valve (injection)
Y1S
Solenoid valve (main)
Y2S
Solenoid valve (accumulator oil return)
Z1C~Z4C
Noise filter (ferrite core)
Z1F
Noise filter (with surge absorber) (A2P)
