Haier AB072XCEAA Service Manual - Page 55

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Chff^j\bZe Abj Chg]blbhg^j 9. Wiring Diagram,PCB photo and function information 9.1.1. Wiring Diagram for AB072-142XCEAA z 53 z CIRCUIT DIAGRAM OF INDOOR UNIT 0010577707 M PUMP MOTOR M STEPMOTOR ROOM TEMP. SENSOR PIPING WIRED TEMP. CONTROLLER SENSOR TRANSFORMER Y Y W W B N1 CN5 CN18 (L＇) B CN2 B N FUSE1 T3.15A/250VAC ON ON ON ON 1234 1234 12 1234 CN14 CN13 (N＇) CN9 BM4 BM3 BM1 BM2 PIPE ROOM CONTROLLER CN16 CN3 STEPMOTOR CN12 TRANS.-II W CN1 CN17 L PUMP CN4 TRANS.-I CN15 FAN-N CN20 CN21 MID CN22 CN6 RECEIVER LOW HIGH ALARM FLOAT CN7 CN8 REMOTE CN10 CN11 Itophome Y/G PQL N W B W B Y/G TO POWER OUTDOOR UNIT SUPPLY R Y BL W FAN M MOTOR Y/G MOTOR CAPACITOR RECEIVE FLOAT BOARD SWITCH REMOTE CENTRALIZED CONTROLLER NOTE: 1.THE PARTS IN DASHED FRAME ARE OPTIONAL 2.REFER TO OPERATION MANUAL TO SET BM3 AND BM4 3.USER SHOULD NOT TO SET BM1 AND BM2 W:WHITE B:BLACK BL:BLUE R:RED Y:YELLOW Y/G:YELLOW/GREED TEMP.:TEMPERATURE

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9. Wiring Diagram
,PCB photo and function information
9
.1.1.
Wiring Diagram for AB072-142XCEAA
±²³³´µ¶·¸¹ º·µ ±²»¼·½·²»´µ
±
5
3
±
CIRCUIT DIAGRAM OF INDOOR UNIT
TRANS.-I
CN4
CN3
N
CN2
CN9
CN5
CN1
L
FUSE1
T3.15A/250VAC
CN13
TRANS.-II
CN12
REMOTE
CN10
FLOAT
CN8
ALARM
CN7
RECEIVER
CN6
STEPMOTOR
PIPE ROOM
CN14
CONTROLLER
CN16
CN17
N1
(N
＇
)
(L
＇
)
CN18
PUMP
Q
P
Y/G
Y
Y
B
B
B
B
B
W
W
W
W
W
N
L
M
WIRED
CONTROLLER
ROOM
TEMP.
SENSOR
PIPING
TEMP.
SENSOR
RECEIVE
BOARD
FLOAT
SWITCH
REMOTE
CENTRALIZED
CONTROLLER
M
PUMP
MOTOR
TRANSFORMER
BM4
BM3
BM2
BM1
STEPMOTOR
Y/G
NOTE:
1.THE PARTS IN DASHED FRAME ARE OPTIONAL
2.
REFER TO OPERATION MANUAL TO SET
BM3 AND BM4
3.USER SHOULD NOT TO SET BM1 AND BM2
TO
OUTDOOR
UNIT
POWER
SUPPLY
ON
1234
ON
12
ON
1234
ON
1234
W:WHITE
B:BLACK
BL:BLUE
R:RED
Y:YELLOW
Y/G:YELLOW/GREED
TEMP.:TEMPERATURE
CN11
Itophome
CN15
LOW
MID
HIGH
CN21
CN20
CN22
FAN-N
RY
BL
W
MOTOR
CAPACITOR
M
FAN
MOTOR
Y/G
0010577707