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