Wiring Diagram Of Outdoor Unit; R410A System - Haier MRV II Instruction Manual

1. Wiring diagram of Outdoor unit

1.1 R410A system

B
1
W
1 2
2
R
3
3
BL
4 fan motor
4
driving board
R
1
5
2
GR
6
3
Y
4
7
5
DC motor
M
W V
U
2
1
-
+
fan capacitor board
-
+
2
1
Part in the dashed frame is optional .
6 5 4 3 2 1
1 CN46
2
B_SERIAL
1
2
3
LD1 LD2 LD3 LD4
CN39 W
4
5 MODULE-COM
6 SW9 SW10 SW11
7
1
2 CN38 W
B
3
DCFAN-COM
4
6 5 4 3 2 1
LED4
CN45
LED2
1
LED7
2 1
2
CN37 CJ3 LED5
3
RESETB
VCC3
4
5
connecting board
6
1
CN36
2
BUS2 BL
3
1
CN35
2
BUS1 R
CN34
1
high pressure
HP
R
switch
2
CN33
low pressure 1
LP BL
switch
2
CN28
Pd
R CN32
CN31
CN27
Ps
BL
CN30
CN29
R
CN25
Td
G W B G BL
Ta Y BL
Tsco Toci Toil Te Ts
CN21 CN18
CN24 CN23 CN22 CN20 CN19
1
1 2 3 1 2 3 2 1 2 1 2 1 2
M
EEV
outdoor power
L1 L2 L3 N
P Q X Y A B C supply block
communication
block
3N~,380V,50Hz
communication with communication with
indoor outdoor
CN42
PTCN GR
1 1
CN41 CN1
CN40 W
R
R
PTCL
SV1
CN2
Y
SW7 SV2
SW5
UP
STOP FG
CN3
B
SV3
START DOWN
radiator fan
SW8 SW6
CN4
G
SV4
CN5
A
BL
SV5
CJ2 RESETA
CN6
CN43
B
SV6
CN7
G
SV7
CN8
R
SV8
CN9
Y
CN44
SV9
A_SERIAL
CN47
CN10
W
BUS1SERIAL
SV10
CN11
BL
SV11
CN12
W
SV12
CN13
G
HH
CN14
G
AH
fuse CN15
BL
4WV
T10AL250V
U
CN16 V
W
power supply
W
N
R
PMV1
CN17
PMV2
M
EEV
R
R
W
W
B
filter board
B
BL
BL
Y/G
- 138 -
COMP
U W
V
U V
W
R
P
gate circuit board
GR
CNDC2
CNDR1
CN15V1
R
CNDC1 1 2 3 4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 2 3 4 5 6 7 8 9
GR
radiator sensor
1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 2 1 2 1 2 1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 1 2 3 4 1 2
CNVCC4 CNL2 CNVCC2
CN15V2 CNFG CNTH
CNDR2 CNCT
CNCT2
CNVDC
fuse inverter board
T2A DC 700V
CNRS2
fuse
CNFAN
T2AL250V
CN52CAC
CNAC21
3 2 1 5 4 3 2 1
R
Y
GR
R
R
( ) +
( ) U
W
W
( ) V
B B
B
GR
( ) ( ) -
W
outdoor power
R S T N
supply block
0010529329
Part 4
Y BL
electrolytic
capacitor
-
-
B
concrete
resistor
AC contactor
Y
Y
PTC Y reactor
B B
Part 4