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11. Wiring diagrams
11.1 INDOOR UNIT
INDOOR UNIT DIAGRAM
ON
1 2 3 4
S W 2
W
B
(L)
(C)
1 (N)
2
3
TO OU TDOOR U NIT
Notes:
1.The dotted parts are optional.
2.The two pins of CN51 should be shorted,
when the second channel(RC) of S W 2 is
selected.
M
DC FAN MOTOR
CN6
CN8
CN9
CN36
CN21
N
CN2
CN52
(L)
CN15
CN23
S
CN34
CN11
R
Y/G
GND
CE NTRAL CONTROLLE R
HU NAM S E NS OR
CN51
ROOM CARD
C N 14
E ME RGE NCY
CN5'
CN5
R:Red
W :W hite
Y:Yellow
Y/G:Yellow/Green
40
0010593412
AMBIE NT TE MP.S E NS OR
PIPING TE MP.S E NS OR
DIS PLAY BOARD
IRE D CONTROLLE R
W
WIFI
S W ITCH
U P-DOW N
S TE PMOTOR
RIGHT
L E F T -
S T E P M O T O R
B:Black
BL:Blue
BR:Brown
Domestic air conditioner
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