12 Glossary
Installer reference guide
18
FDXM25~60F3V1B(9)
Split system air conditioners
4P550955-1 – 2018.07
11.1
Wiring diagram
,
A
INDOOR
OUTDOOR
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 symbol “*” in the part code.
Unified Wiring Diagram Legend
:
CIRCUIT BREAKER
: CONNECTION
: CONNECTOR
: EARTH
:
FIELD WIRING
: FUSE
:
INDOOR UNIT
:
OUTDOOR UNIT
:
PROTECTIVE EARTH
:
PROTECTIVE EARTH (SCREW)
: RECTIFIER
:
RELAY CONNECTOR
:
SHORT-CIRCUIT CONNECTOR
: TERMINAL
:
TERMINAL STRIP
:
WIRE CLAMP
WHT : WHITE
YLW : YELLOW
PNK
: PINK
PRP, PPL : PURPLE
RED : RED
GRN : GREEN
GRY : GREY
ORG : ORANGE
BLK : BLACK
BLU : BLUE
BRN : BROWN
A*P
:
PRINTED CIRCUIT BOARD
BS*
:
PUSHBUTTON ON/OFF, OPERATION SWITCH
BZ, H*O
:
BUZZER
C*
: CAPACITOR
AC*, CN*, E*, HA*, HE*, HL*, HN*, :
CONNECTION, CONNECTOR
HR*, MR*_A, MR*_B, S*, U, V,
W, X*A, K*R_*
D*, V*D
:
DIODE
DB*
:
DIODE BRIDGE
DS*
:
DIP SWITCH
E*H
: HEATER
F*U, FU* (FOR CHARACTERISTICS, : FUSE
REFER TO PCB INSIDE YOUR UNIT)
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
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*
:
THERMISTOR PTC
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 ARRESTOR
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
12
Glossary
Dealer
Sales distributor for the product.
Authorized installer
Technical skilled person who is qualified to install the
product.
User
Person who is owner of the product and/or operates the
product.
