Internal Wiring - Parts Table; Optional Parts Connector - Panasonic U-8ME4XPQM Manuel D'installation

8.1. Internal wiring – Parts table
Refer to the wiring diagram sticker on the unit. The abbreviations
used are listed below:
A1P~A8P .............Printed circuit board (main, noise filter, inverter,
fan, sub, current sensor, current sensor, fan)
BS1~BS5 .............Push button switch (mode, set, return, test, reset)
C1,C63,C66 .........Capacitor
E1HC~E3HC .......Crankcase heater
F1U ......................Fuse (DC 650 V, 8 A, B) (A4P, A8P)
F1U ......................Fuse (T, 3.15 A, 250 V) (A5P)
F1U,F2U ..............Fuse (T, 3.15 A, 250 V) (A1P)
F5U ......................Field fuse (field supply)
F400U ..................Fuse (T, 6.3 A, 250 V) (A2P)
H1P~H8P.............Pilot lamp
H2P: Under preparation or in test operation when
blinking
H2P: Malfunction detection when light up
HAP .....................Pilot lamp (service monitor - green) (A1P, A5P)
K1,K3 ...................Magnetic relay
K1R......................Magnetic relay (K2M–A1P, Y5S–A5P)
K2,K4 ...................Magnetic contactor (M1C)
K2M .....................Magnetic contactor for M2C
(only for U-10~16ME4XPQM)
K2R......................Magnetic relay (K3M–A1P, Y6S–A5P)
K3M .....................Magnetic contactor for M3C
(only for U-14+16ME4XPQM)
K3R~K5R.............Magnetic relay (Y1S~Y3S–A1P)
K5R......................Magnetic relay (for option–A5P)
K6R......................Magnetic relay (Y7S–A5P)
K7R~K9R.............Magnetic relay (E1HC~E3HC–A1P)
K11R....................Magnetic relay (Y4S–A1P)
L1R ......................Reactor
M1C~M3C ...........Motor (compressor)
M1F,M2F ..............Motor (fan)
PS ........................Switching power supply (A1P,A3P)
Q1DI ....................Earth leakage breaker (field supply)
Q1RP ...................Phase reversal detection circuit
R1T ......................Thermistor (air–A1P, fin–A3P)
R3T~R9T .............Thermistor (H/E gas, H/E-de-icer, sub cool H/E
gas, sub cool H/E liquid, H/E liquid, suction, liquid)
R10 ......................Resistor (current sensor) (A4P, A8P)
R31T~R33T .........Thermistor (discharge) (M1C~M3C)
R50,R59...............Resistor
R90 ......................Resistor (current sensor)
R95 ......................Resistor (current limiting)
S1NPH.................Pressure sensor (high)
S1NPL .................Pressure sensor (low)
S1PH~S3PH ........Pressure switch (high)
SD1......................Safety devices input
T1A ......................Current sensor (A6P, A7P)
V1R......................Diode bridge (A3P)
V1R......................Power module (A4P, A8P)
V2R......................Power module (A3P)
X1A,X4A ..............Connector (M1F, M2F)
X1M .....................Terminal strip (power supply)
X1M .....................Terminal strip (control) (A1P)
Y1E~Y3E .............Electronic expansion
subcool)
U-8~16ME4XPQM
Urban Multi air conditioner
4PW40728-1
Y1S~Y7S ............ Solenoid valve (RMTG, 4 way valve–PPE, 4 way
Z1C~Z10C .......... Noise filter (ferrite core)
Z1F...................... Noise filter (with surge absorber)
L1,L2,L3 .............. Live
N.......................... Neutral
BLK ..................... Black
BLU ..................... Blue
BRN..................... Brown
GRN .................... Green
GRY..................... Grey
ORG .................... Orange
PNK..................... Pink
RED..................... Red
WHT .................... White
YLW..................... Yellow
8.2.
X7A ..................... Operation output (A5P)
X9A ..................... Power supply (adapter) (A5P)
valve (main, charge,
valve–H/E gas, RMTL, hot gas, EV bypass,
RMTO)
............ Field wiring
............... Terminal strip
....................... Connector
...................... Terminal
....................... Protective earth (screw)
NOTE (1) This wiring diagram only applies to the outdoor unit.
(4) When using the option adaptor, refer to the
installation manual.
(5) Refer to the installation manual, for connection
wiring to indoor-outdoor
outdoor-outdoor transmission F1-F2, outdoor-multi
transmission Q1-Q2 and on how to use BS1~BS5 and
DS1, DS2 switch.
(6) Do not operate the unit by short-circuiting
protection device S1PH~S3PH.

Optional parts connector

NOTE Use copper conductors only.
For connection wiring to the central remote
controller, refer to the installation manual of the
central remote controller.
Use insulated wire for the power cord.
transmission F1-F2,
Installation manual
12