11 Technical data
Installer and user reference guide
22
FCAHG71~140HVEB
Split system air conditioners
4P561449-1A – 2019.09
11.2 Wiring diagram
11.2.1 Unified wiring diagram legend
For applied parts and numbering, refer to 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
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
BS* Pushbutton ON/OFF, operation
switch
BZ, H*C Buzzer
C* Capacitor
AC*, CN*, E*, HA*, HE*, HL*,
HN*, HR*, MR*_A, MR*_B, S*, U,
V, W, X*A, K*R_*
Connection, connector
D*, V*D Diode
DB* Diode bridge
DS* DIP switch
E*H Heater
FU*, F*U, (for characteristics,
refer to 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*R, KCR, KFR, KHuR, K*M Magnetic relay
L Live
L* Coil
L*R Reactor
M* Stepper motor
Symbol Meaning
M*C Compressor 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
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*DI Earth leak circuit breaker
Q*L Overload protector
Q*M Thermo switch
R* Resistor
R*T Thermistor
RC Receiver
S*C Limit switch
S*L Float switch
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
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
WRC Wireless remote controller
X* Terminal
X*M Terminal strip (block)
Y*E Electronic expansion valve coil
Y*R, Y*S Reversing solenoid valve coil
Z*C Ferrite core
ZF, Z*F Noise filter
A*P Printed circuit board
BS* Pushbutton ON/OFF, operation
switch
BZ, H*C Buzzer
C* Capacitor
AC*, CN*, E*, HA*, HE*, HL*,
HN*, HR*, MR*_A, MR*_B, S*, U,
V, W, X*A, K*R_*
Connection, connector
To Next Page
Loading...
