Wiring Diagram: Outdoor Unit - Daikin RWEYQ8T9Y1B Installer And User Manual

13 About the system
12.4

Wiring diagram: Outdoor unit

The wiring diagram is delivered with the unit, located at the inside of
the service cover.
Notes to go through before starting the unit
English
Notes to go through before
starting the unit
Symbols
X1M
15
**
/12.2
1
1 Refer to the installation or service manual on how to use
BS1~BS3 push buttons, and DS1+DS2 DIP switches.
2 Do not operate the unit by short-circuiting protection device
S1PH.
3 For connection of indoor-outdoor F1-F2 transmission wiring,
and outdoor-outdoor F1-F2 transmission wiring, refer to the
service manual.
Position in switch box
English
Position in switch box
Legend
A1P Main PCB
A2P Noise filter PCB
A3P Inverter PCB
A4P SUB PCB
A8P Adapter PCB
A9P * Cool/heat selector PCB
BS* (A1P) Push buttons (mode, set, return)
C* (A3P) Capacitor
DS* (A1P) DIP switch
E1HC Crankcase heater
For the user
13 About the system
The indoor unit part of VRV IV heat recovery system can be used for
heating/cooling applications. The type of indoor unit which can be
used depends on the outdoor units series.
Installer and user reference guide
46
Translation
Notes to go through before
starting the unit
Symbols
Main terminal
Earth wiring
Wire number 15
Field wire
Field cable
Connection ** continues on page
12 column 2
Several wiring possibilities
Option
Not mounted in switch box
Wiring depending on model
PCB
Translation
Position in switch box
F1S (A2P) Surge arrestor
F1U (A4P) Fuse (T, 3.15 A, 250 V)
F401U (A2P) Fuse (T, 6.3 A, 250 V)
F402U (A2P) Fuse (T, 6.3 A, 250 V)
F403U (A2P) Fuse (T, 6.3 A, 250 V)
F410U (A2P) Fuse (T, 63 A, 600 V)
F411U (A2P) Fuse (T, 63 A, 600 V)
F412U (A2P) Fuse (T, 63 A, 600 V)
F*U (A1P) Fuse (T, 3.15 A, 250 V)
HAP (A1P) Running LED (service monitor – green)
K1M (A3P) Magnetic contactor
K*R (A*P) Magnetic relay
L*R Reactor
M1C Motor (compressor)
M*F Motor (fan)
PS (A1P) Power supply
Q1DI # Earth leakage circuit breaker
Q1RP (A1P) Phase reversal detect circuit
R* (A3P) Resistor
R*T Thermistor
R*V (A2P) Varistor
S1NPH High pressure sensor
S1NPL Low pressure sensor
S1PH High pressure switch (discharge)
S1S Air control switch
S2S Cool/heat switch
S3S Interlock switch
SEG* (A1P) 7-segment display
T1A Leakage current detection sensor
V1R (A3P) IGBT power module
V2R (A3P) Diode module
X66A Connector (remote switching cool/heat
selector)
X*A PCB connector
X*M Terminal strip
X*M (A*P) Terminal strip on PCB
X*Y Connector
Y*E Electronic expansion valve
Y*S Solenoid valve
Z*C Noise filter (ferrite core)
Z*F Noise filter
* Optional
# Field supply
NOTICE
For future modifications or expansions of your system:
A full overview of allowable combinations (for future
system extensions) is available in technical engineering
data and should be consulted. Contact your installer to
receive more information and professional advice.
RWEYQ8~14T9V1B + RWEYQ8~14T9Y1B
VRV IV water-cooled system air conditioner
4P452191-1 – 2017.04