Wiring Diagram: Outdoor Unit - Daikin RXYSCQ5TMV1B Installation And Operation Manual

9 Technical data
e Heat sink PCB
f Pressure regulating valve
g Heat exchanger
h Service port (high pressure)
i Muffler
j Check valve
k Compressor accumulator
l Capillary tube
m Service port (refrigerant charge)
n Accumulator
M1C Compressor
M1F Fan motor
R1T Thermistor (air)
R2T Thermistor (discharge)
R3T Thermistor (suction 1)
R4T Thermistor (heat exchanger de-icer)
R5T Thermistor (suction 2)
R6T Thermistor (subcool heat exchanger)
R7T Thermistor (liquid pipe)
S1NPH High pressure sensor
S1NPL Low pressure sensor
S1PH High pressure switch
Y1E Electronic expansion valve (main)
Y3E Electronic expansion valve (subcool heat exchanger)
Y1S Solenoid valve (4‑way valve)
Heating
Cooling
9.3

Wiring diagram: Outdoor unit

The wiring diagram is delivered with the unit, located at the inside of
the service cover.
Notes for RXYSCQ4~6:
1 This wiring diagram applies only to the outdoor unit.
2 Symbols (see below).
3 Refer to the installation manual for how to use the BS1~BS5
and DS1+DS2 switches.
4 When operating, do not short-circuit protective device S1PH.
5 Colours (see below).
6 Refer to the installation manual for connection wiring to
INDOOR-OUTDOOR transmission F1-F2.
7 When using the central control system, connect OUTDOOR-
OUTDOOR transmission F1-F2.
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
Installation and operation manual
24
WHT White
YLW Yellow
Legend for wiring diagram RXYSCQ4~6:
A1P Printed circuit board (main)
A2P Printed circuit board
BS1~BS5 Push button switch
C1 Capacitor
DS1 DIP switch
E1HC Crankcase heater
F1U Fuse
F3U, F4U Fuse (T 6.3 A / 250 V)
F6U Fuse (T 5.0 A / 250 V)
H1P~H8P Light‑emitting diode (service monitor orange)
H2P:
▪ Prepare, test: Flickering
▪ Malfunction detection: Light up
HAP Light-emitting diode (service monitor is green)
HBP Light-emitting diode (service monitor is green)
K11M Magnetic contactor
K1R Magnetic relay (Y1S)
K4R Magnetic relay (E1HC)
K10R Magnetic relay
L1R~L3R Reactor
M1C Motor (compressor)
M1F Motor (fan)
PS Switching power supply
R1, R2 Resistor
R1T Thermistor (air)
R2T Thermistor (discharge)
R3T Thermistor (suction 1)
R4T Thermistor (heat exchanger de-icer)
R5T Thermistor (suction 2)
R6T Thermistor (subcool heat exchanger)
R7T Thermistor (liquid pipe)
FINTH Thermistor (fin)
S1NPH High pressure sensor
S1NPL Low pressure sensor
S1PH High pressure switch
V1R IGBT power module
V2R Diode module
V1T~V3T Insulated gate bipolar transistor (IGBT)
V1D~V3D Diode
X1M, X2M Terminal strip
X37A Connector
Y1E Electronic expansion valve (main)
Y3E Electronic expansion valve (subcool heat exchanger)
Y1S Solenoid valve (4‑way valve)
Z1C~Z7C Noise filter (ferrite core)
Z1F~Z5F Noise filter
RXYSCQ4~6TMV1B
VRV IV-S system air conditioner
4P555881-1 – 2019.07