Service Manual

CONSOLE TECHNICAL OVERVIEW
I-9
ENGLISH
Wiring Diagram/DIP Switch Settings
USYF09UCDWA1
Note：
1.Dashed parts are optional.
2.Please refer to the technical service manual for detailed explanations
of DIP switches.
3.Do not change the DIP switches setting without technical support
4.Abbreviation：R-red ,B-black,BL-blue,W-white,Y/G-yellow/green,
TEMP.-temperature, E.A.O-exrernal alarm output,Tr-indoor unit
room temperature sensor ,Tp-indoor unit pipe temperature sensor (coil
temperature sensor)
Wired controller
display(YR-E17)
07 flashing on the
upper right corner
Outdoor error code
+20 correspond
HEX code
Tp
Tr
SW1-1
OFF
OFF
SW1-2
OFF
OFF OFF
OFF
OFF
OFF
OFF
OFF
OFF OFF
OFF
OFF
OFF
ON
OFF
OFF OFF
OFF
OFF
OFFOFF
ON
SW1-3
SW1-4
SW1-5 SW1-6
SW1-7 SW1-8
To Outdoor Unit
All Console
default
MODEL
DIP switches factory default setting
L2
L1
Note:
SW1
LED5
LED4
250VAC T5A
FUSE
CN20
CN22(22-1)
CN31
CN11
CN35
Main control board
Swing motor
for lower
louver
Swing motor
for upper
louver
CN10
CN6
CN3
CN17
SW2
CN16
CN16-1
W
B
W
BL
BL
W
W
W
YL
BL
W
W
Panel
display
RJ45 BOARD
To RJ45 DEVICE
SW3-1
SW3-2 SW3-3
SW3-4
SW3-5 SW3-6
SW3-7 SW3-8
USYF12UCDWA1
USYF18UCDWA1