Samsung AVXTJH028EE - Page 361

PCB Diagram and Parts List
Samsung Electronics 6-14
Duct type(MSP)(cont.)
■ MAIN PCB(cont.)
①
#1: GND
#2: Float Switch
②
#1: ROOM Temp. Sensor
#2: GND
#3: EVA IN Temp. sensor
#4: GND
③
#1: GND
#2: EVA OUT Temp. Sensor
④
#1: GND
#2: Discharge. Sensor
⑤
#1: 12V
#2: GND
⑥
#1: GND
#2: External Control signal point input
⑦
#1~#4: Electrically operated valve
Control Signal
#2: 12V
⑧
#1,#2: Buzz control
#3~#7: Display control
#8: Operating switch
#9: Remocon receiving signal
#10: GND
#11: DC5V
⑨⑩
#1: Comm. Signal F1
#2: Comm. Signal F2
⑪
#1: Comm. Signal F3
#2: Comm. Signal F4
⑫
⑬
#1:12V
#2: ERROR CHK
#3: 12V
#4: COMP CHK
⑭
#1,3: TRANS outpu connnection
⑮
#1: L phase
#3: N phase
⑯
#1: AC power L
#3: AC power N
⑰
#1: N phase output
#3: SSR Control signal (L phase)
#5: N phase output
⑱
#1: SSR Output
#3: SSR Iuput
⑲
#1: 12V
#3: Control Signal
⑳
#1: N phase
#2: heated water coil signal
㉑
#1: N phase
#2: Drain pump signal
㉒
#1: N phase
#2: Ventilator signal
CN51- Float Switch CN41- Temp. Sensor CN42- Temp. Sensor CN43- Heater Discharge
CN32- Wired Remocon Power CN83- External Control CN62- EEV CN91- Display
CN10-Micom Download
CN31- Indoor/outdoor unit
Communication
CN33- Wired Remocon
Communication
CN76- Subsidual Load
CN78- FAN Motor Output
CN79-SSR Output CN13-SSR control
CN77-Heated Water Coil
CN81- External Control Check CN11-Trans Out CN71-AC Power CN72-Trans In
CN74- Drain Pump CN75- Ventilator
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