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6.Printed circuit board connector wiring diagram
Connectors
PCB(1) (Control PCB) For AS18TD2HRA
1) CN9 Connector for fan motor
2) CN6 Connector for heat exchanger thermistor and Room temperature thermistor
3) CN5 Connector for UP&DOWN STEP motor
4) CN11,CN10 Connector for L&R STEP motor
5) CN21 Connector for power N wire
6) CN52 Connector for power L
7) CN7 Connector for display board
8) C0N2,C0N3 Connector for ions generator
9) CN23 Connector for communicate between the indoor board and the outdoor board
10) CN36 Connector for long-range control
11) CN34 Connector for Net Module
12) CN51 Connector for room card
13) CON1 Connector for Fresh air
Note: Other designations
PCB(1) (Indoor Control PCB)
1) SW1 Connector for Forced operation ON / OFF switch
2) SW2 1 Select remote code A or B, 2 Select room card able or disable 3,4 Select 23 26 33 and
35 ,
3) RV1 Varistor0
4) FUSE1 Fuse 3.15A/250VAC
1
2
3
4
PCB
UNIT MODEL
AS18TB3HRA-TE4
J45
J46
DISPLAY SERIES
UNTI MODEL
AS18TB3HRA-TE4
OFF
ON
A
B
N_RC
RC
ON
ON
ON
OFF
35
33
PCB MODEL
0011800281F （33）
OFF
OFF
OFF
ON
325*/498*
324*
DISPLAY MODEL
0011800387
OFF
OFF
ON
OFF
26
23
ON
ON
OFF
ON
387*
317*
11
Functions and control
Domestic air conditioner
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