21 Disposal
Installation and operation manual
45
SV1A25AJV1B+SV4~8A14AJV1B
VRV 5 safety valve unit
4P709466-1 – 2023.09
Code Description
Malfunction of the SV unit's electronic expansion
valve
SV unit power supply failure
21 Disposal
NOTICE
Do NOT try to dismantle the system yourself: dismantling
of the system, treatment of the refrigerant, oil and other
parts MUST comply with applicable legislation. Units
MUST be treated at a specialised treatment facility for
reuse, recycling and recovery.
22 Technical data
▪ A subset of the latest technical data is available on the regional
Daikin website (publicly accessible).
▪ The full set of the latest technical data is available on the Daikin
Business Portal (authentication required).
22.1 Wiring diagram
The wiring diagram is delivered with the unit, located at the
inside of the service cover.
For applied parts and numbering, see the wiring diagram on the unit.
Part numbering is by Arabic numbers in ascending order for each
part and is represented in the overview below by "*" in the part code.
Symbol Meaning Symbol Meaning
Circuit breaker Protective earth
Connection Protective earth
(screw)
Connector
,
Rectifier
Earth Relay connector
Field wiring Short-circuit connector
Fuse Terminal
Indoor unit Terminal strip
Outdoor unit Wire clamp
Residual current
device
Symbol Colour Symbol Colour
BLK Black ORG Orange
BLU Blue PNK Pink
BRN Brown PRP,
PPL
Purple
GRN Green RED Red
GRY Grey WHT White
YLW Yellow
Symbol Meaning
A*P Printed circuit board (PCB)
BS* Pushbutton ON/OFF, operation switch
BZ, H*O Buzzer
Symbol Meaning
C* Capacitor
AC*, CN*, E*, HA*,
HE*, HL*, HN*, HR*,
MR*_A, MR*_B, S*, U,
V, W, X*A, K*R_*, NE
Connection, connector
D*, V*D Diode
DB* Diode bridge
DS* DIP switch
E*H Heater
FU*, F*U, (for
characteristics, see
PCB inside your unit)
Fuse
FG* Connector (frame ground)
H* Harness
H*P, LED*, V*L Pilot lamp, light emitting diode
HAP Light emitting diode (service monitor green)
HIGH VOLTAGE High voltage
IES Intelligent eye sensor
IPM* Intelligent power module
K* Contact
K*R, KCR, KFR,
KHuR, K*M
Magnetic relay
L Live
L* Coil
L*R Reactor
M* Stepper motor
M*C Compressor motor
M*D Damper motor
M*F Fan motor
M*P Drain pump motor
M*S Swing motor
MR*, MRCW*, MRM*,
MRN*
Magnetic relay
N Neutral
n=*, N=* Number of passes through ferrite core
NE* Functional earth
PAM Pulse-amplitude modulation
PCB* Printed circuit board
PM* Power module
PS Switching power supply
PTC* PTC thermistor
Q* Insulated gate bipolar transistor (IGBT)
Q*C Circuit breaker
Q*DI, KLM Earth leak circuit breaker
Q*L Overload protector
Q*M Thermo switch
Q*R Residual current device
R* Resistor
R*T Thermistor
RC Receiver
S*C Limit switch
S*L Float switch
S*NG Refrigerant leak detector
S*NPH Pressure sensor (high)
S*NPL Pressure sensor (low)
S*PH, HPS* Pressure switch (high)
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