Daikin VRV 5 BS4A14AJV1B, Installation And Operation Manual

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21 Technical data
Installation and operation manual
42
BS4~12A14AJV1B
VRV 5 branch selector unit
4P670163-1 – 2022.02
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
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
Symbol Meaning
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)
S*PL Pressure switch (low)
S*T Thermostat
S*RH Humidity sensor
S*W, SW* Operation switch
SA*, F1S Surge arrester
SEG* 7-segment display
SR*, WLU Signal receiver
SS* Selector switch
SHEET METAL Terminal strip fixed plate
T*R Transformer
TC, TRC Transmitter
V*, R*V Varistor
V*R Diode bridge, Insulated-gate
bipolar transistor (IGBT) power
module
WRC Wireless remote controller
X* Terminal
X*M Terminal strip (block)
X*Y Connector
Y*E Electronic expansion valve coil
Y*R, Y*S Reversing solenoid valve coil
Z*C Ferrite core
ZF, Z*F Noise filter
Specific BS unit wiring diagram legend
Symbol Meaning
EVL Electronic expansion valve
(suction)
EVH Electronic expansion valve (HP/
LP)
EVSC Electronic expansion valve
(subcool)
EVSG Electronic expansion valve (gas
shut-off valve)
EVSL Electronic expansion valve (liquid
shut-off valve)
X15A Connector (drain up kit abnormal
signal)
Notes
1 This wiring diagram applies to the BS unit only.
2 Symbols:
: terminal block
: connector
: field wiring
: earth terminal