Samsung AVXCSH023/032/040CE Service Manual page 286

Duct type(Slim)(cont.)
MAIN PCB(cont.)
CN51- Floating Switch
#1: GND
#2: Floating Switch signal
CN43- CCH Temp. sensor
#1: GND
#2: Heater Discharge Temp. Sensor
Signal
CN62-EEV
#1~#4: EEV Control Signal
#2: DC12V
CN33- Communication2
(Wired remocon F1/F2)
#1: Comm. Signal F3
#2: Comm. Signal F4
17
None
CN74- Drain Pump
21
#1: N phase
#2: Drain signal
Samsung Electronics
CN41- ROOM/EVA, IN Temp.
Sensor
#1: ROOM Temp. Sensor
#2: GND
#3: EVA IN Temp. sensor
#4: GND
CN81- External CHECK
#1: DC12V
#2: ERROR CHK signal
#3: DC12V
#4: COMP CHK signal
CN91-Display
#1,#2: Buzz control
#3~#7: Display control
#8:Operating switch
#9: Remocon receiving signal
#10:GND
#11: DC5V
CN11- Trans Out
#1,3: Trans OUtput connect
18 CN13-BLDC PCB Connector
#1: DC12V
#2: Fan Control Signal
CN75- Ventilator
22
#1: N phase
#2: Ventilator signal
CN76-SUB PCB Connector
#1: FAN LOW Signal
(AC 220V L phase output)
#2: FAN MID Signal
(AC 220V L phase output)
#3: FAN HIGH Signal
(AC 220V L phase output)
CN32-Wire Remocon Power
#1: DC12V
#2: GND
CN10-Micom Download
CN71-AC power
#1: AC Power L
#2: AC Power N
19
None
PCB Diagram
CN42- ROOM/EVA, OUT Temp.
Sensor
#1: EVA OUT Temp. Sensor
#2: GND
CN83- External Control
#1: GND
#2: External Control signal point input
CN31- Communication
(indoor unit F1/F2)
#1: Comm. Signal F1
#2: Comm. Signal F2
CN72-Trans In
16
#1: AC Power L
#2: AC Power N
20 CN77-Heated water coil
#1: N phase
#2: heated water coil signal
6-6