Samsung AVXCSH022EE Service Manual page 363

Duct type(HSP)(cont.)
■ MAIN PCB(cont.)
①
CN51- Float Switch
#1: GND
#2: Float Switch
⑤
CN83- External Control
#1: GND
#2: External Control signal point input
⑨ CN31- Indoor/outdoor unit
Communication
#1: Comm. Signal F1
#2: Comm. Signal F2
⑬
CN71-AC Power
#1: L phase
#3: N phase
⑰ CN13-SSR control
#1: 12V
#3: Control Signal
Samsung Electronics
② ③
CN41- Temp. Sensor
#1: ROOM Temp. Sensor #1: GND
#2: GND #2: EVA OUT Temp. Sensor
#3: EVA IN Temp. sensor
#4: GND
⑥ ⑦
CN62- EEV
#1~#4: Electrically operated valve #1,#2: Buzz control
Control Signal #3~#7: Display control
#2: 12V #8: Operating switch
#9: Remocon receiving signal
#10: GND
#11: DC5V
⑩ ⑪
CN33- Wired Remocon
Communication
#1:12V
#2: ERROR CHK
#1: Comm. Signal F3
#3: 12V
#2: Comm. Signal F4
#4: COMP CHK
⑭ ⑮
CN72-Trans In
#1: AC power L #1: N phase output
#3: AC power N #3: SSR Control signal (L phase)
#5: N phase output
⑱ CN77-Heated Water Coil ⑲
#1: N phase #1: N phase
#2: heated water coil signal #2: Drain pump signal
④
CN42- Temp. Sensor CN32- Wired Remocon Power
#1: 12V
#2: GND
CN91- Display ⑧ CN10-Micom Download
CN81- External Control Check ⑫ CN11-Trans Out
#1,3: TRANS outpu connnection
⑯
CN78- FAN Motor Output CN79-SSR Output
#1: SSR Output
#3: SSR Iuput
CN74- Drain Pump ⑳ CN75- Ventilator
#1: N phase
#2: Ventilator signal
PCB Diagram and Parts List
6-16