3D052296E
ERHQ006-008
Z1C∼Z7C : Ferrite core
X1M, X2M : Terminal strip
Y1E : Electronic expansion valve coil
V2, V3, V5, V9, V100 : Varistor
SA2 : Surge arrester
FU1, FU2, FU3: : Fuse
AC1, AC2
U, V, W, X11A, X12A
E1, E2
HR1, HR2 : Connector
Q1L : Overload protector
PM1 : Power module
PCB1,2 : Printed circuit board
Y1R : Reversing solenoide valve coil
Sheet metal : Terminal strip fixed plate
g
Field wiring
Indoor
Outdoor
(outdoor)
(Condenser)
(discharge)
Power supply
To indoor unit
Sheet
metal
MRM10, MRM20
MRC/W : Magnetic relay
R1T∼R3T : Thermistor
S2∼S102 : Connector
LEDA : Pilot lamp
L : Live
N : Neutral
SW1 :
Forced operation on/off switch SW (SW1)
SW4 : Local setting SW (SW4)
M1C : Compressor motors
M1F : Fan motor
L1R : Reactor
BV3
2TW59556-1A
ERHQ011-016BV3
A1P Printed circuit board (Main)
A2P Printed circuit board (INV)
A3P Printed circuit board (Noise filter)
A4P Printed circuit board
BS1∼BS4 Push button switch
C1∼C4 Capacitor
DS1 DIP switch
E1H Bottomplate heater
E1HC Crankcase heater
F1U, F3U, F4U Fuse(T 6.3A/250V)
F6U Fuse(T 5.0A/250V)
F7U, F8U Fuse (F 1.0A/250V)
H1P∼7P (A2P) Light emitting diode (service monitor
orange)
Prepare, Test --------- Flickering
Malfunction Detection -- Light up
HAP (A1P) Light emitting diode (service monitor green)
K1R Magnetic relay (Y1S)
K4R Magnetic relay (E1HC)
K10R Magnetic relay
K11R Magnetic relay
L1R Reactor
M1C Motor (Compressor)
M1F Motor (Fan) (upper)
M2F Motor (Fan) (lower)
PS Switching power supply
Q1DI Earth leakage circuit breaker
R1 Resistor
R2 Resistor
R1T Thermistor (Air)
R2T Thermistor (Discharge)
R3T Thermistor (Suction)
R4T Thermistor (Heat exchanger)
R5T Thermistor (heat exchanger middle)
R6T Thermistor (Liquid)
RC Signal receiver circuit
R10T Thermistor (Fin)
S1NPH Pressure sensor
S1PH Pressure switch (High)
TC Signal transmission circuit
V1R Power module
V2R, V3R Diode module
V1T IGBT
X1M Terminal strip (Power supply)
Y1E Electronic expansion valve
Y1S Solenoid valve (4 way valve)
Z1C∼Z3C Noise filter (ferrity core)
Z1F∼Z4F Noise filter
Optional connector
X1Y Connector
Notes:
1 This wiring diagram only applies to the outdoor unit
2 L: Live N:Neutral g: Field wiring
3 D : Terminal strip F : Connector T : Connection R : Protective earth (screw)
: Relay connector p : Noiseless earth G : Terminal
4 Refer to the option manual, for connecting wiring to x6A.
5 Refer to the ’’Wiring diagram sticker’’ (on back of front plate) on how to use BS1∼ BS4 and DS1 switch.
6 Do not operate the unit by short-circuiting protection device S1PH
7 Colors: BLK: black, RED: red, BLU: blue, WHT: white, YLW: yellow, ORG: orange, BRN: brown, GRN: green
8 Confirm the method of setting the selector switches by service. When the unit is shipped by factory all switches are set to be off.
(Back)
Indoor
Outdoor
(Note 4)
(Front)
El. comp. Assy
(Position of elements)
Position of
compressor
terminal
Wire entrance
Option Wiring
dependent
on model
(54 pages)
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