Samsung AVXCSH022EE Service Manual page 354

PCB Diagram and Parts List
6-1-3 4 way cassette type
7
6
5
4
CN62-EEV
①
#1~4 : EEV Control Singal
#5: DC12V
CN83-EXTANAL CONTROL
⑤
#1: GND
#2: External control Signal
⑨
CN33- Comm2
(Wired Remote F3/F4)
#1: Communication F3
#2: Communication F4
⑬ CN91-Display
#1~5: Display Control Signal
#7: Remote Sihnal Receive
#8: GND
#9: VCC(DC5V)
CN75-VENTILOTOR OUTPUT
⑰
#1: N Phase
#2: Ventilator Control
6-7
A B
CN76-EXTERNAL OPTION ③
②
#1: 12V #1~5: Step Motor
#2: LOAD 1 #6~10: Step Motor
#3: LOAD 2
#4: LOAD 3
CN51-FLOAT S/W
⑦
⑥
#1: GND #1: Room Th Sensor
#2: FLOAT-SW Signal #2: GND
#3: EVA IN Th Sensor
#4: GND
⑩ CN31-Comm1(Indoor F1/F2) ⑪
#1: Communication F1 #1: DC12V
#2: Communication F2 #2: GND
⑭ CN73-BLDC FAN MOTOR ⑮
#1: DV310V #2: N/C #1: L Phase
#3: GND #4: DC15V #2: N Phase
#5: Motor Control Signal
#6: Motor Feedback Signal
! @
3 2 1
CN60-LOUVER ④ CN81-EXTERNAL CHECK
#1: DC12V
#2: Error Check Signal
#3: DC12V
#4: Comp Check Signal
CN41-ROOM/EVA, IN CN42-EVA, OUT TEMP SENSOR
⑧
#1: GND
#2: EVA OUT Th Sensor
CN32-Remote Control DC12 ⑫ CN10-MICOM DOWNLOAD
CN71-MAIN POWER ⑯ CN74-DRAIN MOTOR OUTPUT
#1: N Phase
#2: Drain Pump Control
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