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