INDOOR UNIT DIAGRAM
M
CN9
CN21
N
CN52
(L)
CN23
S
ON
1 2 3 4
SW2
W
B
R
Y/G
Y/G
(L)
(C)
1 (N)
2
3
GND
POWER SUPPLY
TO OUTDOOR UNIT
Model selection:
09K model-23 code - SW2 - 3 off 4 off
12K model-26 code - SW2 - 3 off 4 on
15K model-33 code - SW2 - 3 on
18K model-33 code - SW2 - 3 on
24K model-35 code - SW2 - 3 on
Except for this model:
AS18ND1HRA/AW18LC2VHB-23 code - SW2 - 3 off 4 off
Indoor Board Diagram
Indoor Board Diagram
DC FAN MOTOR
C0N3
C0N2
W
R
C0N1
BL
CN2
CN5'
CN5
(CN5'')
CN11
CN11'
CN51
CN34
CN1
SW1
CN14
CN7
CN6
CN10
BR
BL
4 off
4 off
4 on
REFERENCE INFORMATION
ION
GENERATOR
FRESH AIR
WIRED CONTROLLER
UP-DOWN
STEPMOTOR
LEFT STEPMOTOR
ROOM CARD
WIFI
SWITCH
EMERGENCY
DISPLAY BOARD
AMBIENT TEMP.SENSOR
PIPING TEMP.SENSOR
RIGHT STEPMOTOR
Notes:
1.The dotted parts are optional.
2.The two pins of CN51 should be shorted,
when the second channel(RC) of SW2 is
selected.
Notes:Before replacing the board,It is
necessary to ensure that the machine is
matched with the board code.
0010561514H
B:Black
R:Red
W:White
BL:Blue
Y:Yellow
BR:Brown
Y/G:Yellow/Green
PAGE 47