Samsung AJ009JNNDCH Service Manual page 90

AJ012JNNDCH/AJ018JNNDCH
1
2
(1) Main power input
1(L):Phase L
2(N):Phase N
(5) Eva in/out sensor
1:EVA IN temperture sensor
2,4,6:GND
3:EVA OUT temperture sensor
5:EVA discharge
(9) VENT
1:DC12V
2:VENT_OUT
(13) Human Sensor
1:DC12V
2:Com4_TXD
3:Com4_RXD
4:Human sensor reset
5:GND
5-2
3
(2) BLDC fan
1:DC310V
2:Not used
3:AGND
4:DC15V
5:FAN PRM
6:PRM FEEDBACK
(6) Room temperature
1:Room remperature sensor
2:GND
(10) Panel flaps
1:DC12V
2-5: Louver control signal
6:DV12V
7-10:Louver control signal
(14) External
1,3:DC12V
2:Error_CHK_OUT
3:Comp_CHK_OUT
6
8
10
9
4
5
7
(3) Earth wire (4) Float switch
1:GND 1:Float_SW
2:GND
(7) S/W download (8) Panel display
S/W download 1:DC12V
2-5:LED control signal
6:REMOCON signal out
7,8:Not used
9:REMOCON_INT
10:GND
11:Vcc
(11) SPI (12) Drain Pump
1,2:GND 1:DC12V
3:SPI CONTROL 2:DRAOM_PUMP_OUT
4:Not Used
(15) External (16) COM1,COM2,V1,V2
1:EXT_CTRL F3-F4: Com2
2:GND V1-V2:DC12V
F1-F2:Com1
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12
11
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Samsung Electronics
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