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Haier 2U18MS2VHB Service Manual page 111

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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Wiring Diagram/DIP Switch Settings
CN16
BL
CN31
BL
CN16-1
W
CN22(22-1)
B
L2 L1
To RJ45 DEVICE
To Outdoor Unit
DIP switches factory default setting
SW3-1 SW3-2 SW3-3 SW3-4 SW3-5 SW3-6 SW3-7 SW3-8
SW1-3 SW1-4 SW1-5 SW1-6 SW1-7 SW1-8
SW1-2
SW1-1
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
CONSOLE TECHNICAL OVERVIEW
Tp
Tr
W
W
CN3
W
Main control board
W
Note:
All Console
default
1.Dashed parts are optional.
2.Please refer to the technical service manual for detailed explanations
MODEL
of DIP switches.
3.Do not change the DIP switches setting without technical support
USYF09UCDWA1
OFF
4.Abbreviation:R-red ,B-black,BL-blue,W-white,Y/G-yellow/green,
USYF12UCDWA1
OFF
TEMP.-temperature, E.A.O-exrernal alarm output,Tr-indoor unit
room temperature sensor ,Tp-indoor unit pipe temperature sensor (coil
USYF18UCDWA1
OFF
temperature sensor)
YL
CN17
SW2
W
BL
CN10
W
Panel
display
Swing motor
for lower
louver
Swing motor
for upper
louver
Note:
I-9
Wire
disp
07
upp
Out
+20
HEX

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