Airwell YEVFD Series, Service Manual

Page: 18 / 92

7. Wiring Diagram
CN42
6.3A
250V
AC
FUSE1
6.3A 250VAC
FUSE2
CN41
W
CN12
DCF
AN1
白
M
M
CN13
DCF
AN2
白
CN19
W
CN17 CN16 CN25
HE
ATER
4WV
G
Y
BL
CN21
CN10
R
SMG1 SMG2
SW4 SW5 SW6 SW7
BM1
N O
1 2 3 4 5 6 7 8
CN7
CN3
CN6
CN4
CN29
CN28
P
HPS
CN1
R
LEVA1
M
CN8
CN23
TS
TA
O
Td
1
BL
W
Y
WW
BL
Y
TE
1
W
R
INV Board
SW01 SW02 SW03
COMP
R
B
W
R
S
T
U
V
W
L1’
L2’
L3’
W
CN911
Y
CN22
白
N
P
DCN
DCP
N
L1
L2
L3
N
REACTOR
CN910
L1
L2
L3
N
R
W
B
BL
CAP. Board
POWER
CN20
BL
CT1
[1] [2] [3] [4] [5] [6] [7] [8]
-
0
0 0 0 BM1
Dial switch MODEL
1 1 1
08
O is OFF
1 is ON
-
requires
set up
on site
0 1 0
10
R/S/T
N
HEATER1/2
4WV
DCFAN1/2
SW4-7
SYMBOL SIGNIFICATION
Power line
Neutrul line
COMP. heater
4 way valve
DC fan motor
Button
BM1 Dial switch
HPS
TD
TE(1)
TS
TA
High pressure switch
Comp. vent sensor
Defrost temp. sensor
Comp. inhale sensor
Ambient temp. sensor
SW1-3 Tumb wheels
PD High pressure sensor
PS
1
1
0 1 1
12
CN26
HE
ATER
G
SV2
CN38
Y
L1/L2/L3 Power supply
U/V/W COMP. power line
SV1 Unload valve 1
SV2 Unload valve 2
CT Current test
PD
PS
CT
F
U
S
E
CN31
Y
PQ
Indoor COMM.
XY AB
<WIRE DIAGRAM> 0150543922
W
DC+
DC-
FILTER
Control Board
【
Dial Switch Introduction
】
·
Please check the power firstly before test , and make
sure the crankcase heater powering on for 12 hours
at least to protecting compressor.
·
The switch BM1-1 is used for locking the indoor units
number, the initial status is “ OFF”. After power on,
the display board will display
【
U
**】
, “
**
” indicates
the number of Indoor units that the outdoor unit can
communicate with. If it can match the actual number
of indoor units, please change “OFF” to “ON”, or else
fix the communication problem firstly.
·
Forbid connecting the power wire to the “P” and “Q”,
otherwise the control board will be damaged.
·
Please make sure the earth wire connecting the grou-
nding hole on the electric box firmly.
<WARNING>
Please power off firstly for about 10
minutes before checking control box,
and make sure the voltage between
P and N below 20V.
<NOTES>
<SYMBOL>
Y/G
SV1
CN18
R
LEVA1 Elec-expansion valve
SYMBOL SIGNIFICATION
Low pressure sensor
R Red
B Black
W White
BL Blue
Y/G Yellow/Green
Y Yellow
G Green
16