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Wiring Diagram - Haier 2U18MS2VHB Service Manual

Ductless multi-split heat pump, outdoor/indoor, wall mount - highwall, 2'x2' compact cassette, 3'x3' large cassette, slim duct, mid-static ducted, medium static ducted, console
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WIRED
CONTROLLER
CN11
CN4
WiFi
MODULE
LOUVER
STEP MOTOR4
LOUVER
STEP MOTOR3
NOTE:
1.DASHED PARTS ARE OPTIONAL.
2.USER SHOULD NOT CHANGE THE
DIP SWITCH SW1 SW3 WITHOUT GUIDENCE
3.SW3-5->SW3-8 ARE USED FOR WIRED CONTROLLER
ADRESS SELECT. SW3-1->SW3-4 ARE RESERVED.
CAPACITY
SW1-1
SW1-2 SW1-3
(BTU/H)
ON
ON
OFF
24000
ON
OFF
ON
36000
ON
ON
ON
42000
ON
48000
ON
ON

Wiring Diagram

PIPING
ROOM CARD
TEMP
FLOAT
SENSOR
SWITCH
CN19
CN1
87654321
87654321
OFF
OFF
ON
ON
SW1(BM1)
SW3(BM3)
CN14
M
.
CN6
CN4
CN7
M
CN3
I.R .RECEIVER
(WITH DIGITAL
DISPLAY)
INTELLIGENT
MOVE EYE DEVICE
SW1-4
SW1-5 COOL HEAT
Room card
ON
available
ON
OFF
unavailable
OFF
LARGE CASSETTE TECHNICAL OVERVIEW
DC FAN MOTOR
M
.
.
ROOM
.
TEMP
SENSOR
CN3
CN6
INDOOR UNIT
MAIN CONTROL
BOARD
FUSE
CN13
T5A 250VAC
M
LOUVER STEP
MOTOR2
CN2
M
LOUVER STEP
MOTOR1
CN1
INDOOR UNIT
TERMINAL BLOCK
SW1-6 SW1-7 SW1-8
COOL ONLY
OFF OFF
OFF
HEAT PUMP
0150516956U
FRESH AIR MOTOR /
EXTERNAL ALARM OUTPUT
(FUNCTION IN FUTURE )
( Contact rating_230VAC,3A)
CN10
M
CN9
CH1
ELECTRIC HEATING TERMINAL
CN8
RATING_230VAC,3A
CONNECT TO THIRD PARTY RELAY
CN15
ELECTRIC HEATING
THERMOSTAT / FUSE
L
CN16
N
BLK
WHT
2
1
TO OUT DOOR UNIT
Y/G:YELLOW/GREEN
RD:RED WHT:WHITE
BLK:BLACK
******************
I.R .RECEIVER :
INFRARED REMOTE
RECEIVER .
TYPE DEFINE
TEMP.:TEMPERATURE
Cassette
(SLIM)
DRAIN
PUMP
RD
Y/G
3
E-9

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