Samsung AM056FN2DEH Series Service Manual page 570

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PCB Diagram and Parts List
Hydro unit/Hydro unit HT(Cont.)
- Control kit PBA (AM***TNBFSS) (cont.)
TB01 - AC POWER
#1 : L
#2 : N
CN411 – ROOM TEMP
#1 : ROOM TEMP
#2 : GND
CN201 – EEPROM
#1~#7 : EEPROM
CN808 – DC FAN
#1 : DC12V
#2 : DC FAN FEEDBACK
#3 : GND
CN405 – HT TEMP
#1 : WATER IN TEMP
#2 : GND
#3 : WATER OUT TEMP
#4 : GND
570
CN101 – EARTH
# 1 : EARTH
CN409 – WATERTANK TEMP
#1 : N.C
#2 : N.C
#3 : WATERTANK TEMP
#4 : GND
CN807 – EEV
#1 : EEV SIGNAL
#2 : EEV SIGNAL
#3 : EEV SIGNAL
#4 : EEV SIGNAL
#5 : DC12V
#6 : DC12V
CN404 – FLOW SWITCH
#1 : FLOW SWITCH
#2 : GND
CN408 – LT TEMP
#1 : WATER IN TEMP
#2 : GND
#3 : WATER OUT TEMP
#4 : GND
TB03 – LOAD
#B1-B2 : OPERATION_CHECK
#B3-B4 : ALARM
#B5-B6 : MAIN_PUMP
#B7-B8 : HEATER
#B9-B11 : 3WAY VALVE 1
#B12-B14 : 3WAY VALVE 2
#B15-B17 : 2WAY VALVE
#B19-B20 : AC230V THERMOSTAT 1
#B21-B22 : AC230V THERMOSTAT 2
#B23-B24 : AC24V THERMOSTAT 1
#B25-B26 : AC24V THERMOSTAT 2
CN410 – HEATER OUT TEMP
#1 : HEATER OUT TEMP
#2 : GND
CN313 – 2/4 WIRE COMM
#1~#12 : 2 WIRE COMM
CN315 – COM3
#1~#2 : COM3 COMM
CN407 – EVA IN/OUT TEMP
#1 : EVA IN TEMP
#2 : GND
#3 : EVA OUT TEMP
#4 : GND
CN002 – DOWNLOAD
#1~#20 : DOWNLOAD
CN401 – SOLAR/EXT/GRID
#1 : SOLAR PUMP OPERATION
#2 : GND
#3 : EXTERNAL CONTROL
#4 : GND
#5 : SMART GRID
#6 : GND
CN701 – DEFROST
#1 : N
#2 : N.C
#3 : DEFROST VALVE
TB02 – 6P TERMINAL BLOCK
#1~#2 : COM1 COMM
#3 : DC12V
#4 : GND
#5~#6 : COM2 COMM
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