Samsung AG042KSVANH Service Manual page 103

System air conditioner dvm chiller
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ASSY PCB MAIN-HYDRO
- Model : All models name is commonness
CN403-PRESSURE SENSOR
#1 :
#2 : PHE_OUT SIGNAL
#3 : GND
#4 : 5V
CN804-INPUT
#1 : NIGHT_LOW_NOISE_OP SIGNAL
#2 : GND
#3 : DEMAND_OP SIGNAL
#4 : GND
#5 : FAN_FORCE_OP SIGNAL
#6 : GND
#7 : UNUSUAL_CONDITION_
RESET SIGNAL
#8 : GND
#9 : N/A
#10 : N/A
#11 : WATER_LAW
#12 : GND
CN405-INPUT
#1 : WATER_IN TEMP
#2 : GND
CN311-COMM 2,3
#1 : COM3_OF1
#2 : COM3_OF2
#3 : 12V
#4 : GND
#5 : COM2_F3
#6 : COM2_F4
(cont.)
CN806-FLOW SWITCH
#1 : FLOW SWITCH SIGNAL
#2 : GND
CN402-PRESSURE SENSOR
#1 :
#2 : PHE_IN SIGNAL
#3 : GND
#4 : 5V
CN407-INPUT
#1 : WATER_OUT2 TEMP
#2 : GND
CN301-COMM 1
#1 : OUTDOOR F1
#2 : OUTDOOR F2
CN05-INPUT
#1: N/A
#2 : N/A
#3: N/A
#4 : N/A
#5 : SET TEMP
#6 : GND
#7 : EXT_WATER_OUT TEMP
#8 : GND
CN803-INPUT
#1 : PUMP_INTERLOCK SIGNAL
#2 : GND
#3 : OPERATION_ON SIGNAL
#4 : GND
#5 : OPERATION_OFF SIGNAL
#6 : GND
#7 : OPERATION_MODE SIGNAL
#8 : GND
#9 : THERMAL_STORAGE_OP SIGNAL
#10 : GND
#11 : THERMAL_STORAGE_CTRL
SIGNAL
#12 : GND
#13 : THERMAL_STORAGE_
THERMO SIGNAL
#14 : GND
CN801-EEV 1
#1 : EEV1_B_bar SIGNAL
#2 : EEV1_A_bar SIGNAL
#3 : EEV1_B SIGNAL
#4 : EEV1_A SIGNAL
#5 : 12V
#6 : 12V
99
CN408-INPUT
#1 : PUMP_PROTECTION TEMP
#2 : GND
CN406-INPUT
#1 : WATER_OUT1 TEMP
#2 : GND
CN802-EEV 2
#1 : EEV2_B_bar SIGNAL
#2 : EEV2_A_bar SIGNAL
#3 : EEV2_B SIGNAL
#4 : EEV2_A SIGNAL
#5 : 12V
#6 : 12V

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