Samsung AM022FN1DEH/TK Service Manual page 311

ERV Plus(cont.)
①
TB_POWER-AC POWER
#1: POWER(L)
#2: POWER(N)
CN74-BLDC MOTER2
⑤
#1: DC310V
#3 : GND
#4 : DC15V
#5 : FAN RPM
#6 : RPM FEEDBACK
⑨ TB_COM-COMMUNICATION
#1: COM1(F1)
#2: COM1(F2)
#3: V1(DC12V)
#4: V2(GND)
#5: COM2(F3)
#6: COM2(F4)
⑬ HUMID_STATE-HUMID STATE
#1 : HUMID STEAT signal
#2 : GND
⑰ CN43-CO2 SENSOR
#1 : DC 12V
#2 : CO2 SENSOR
#3 : GND
㉑ CN52-DAMPER SWITCH
#1 : DAMPER SWITCH signal
#3 : GND
Samsung Electronics
②
CN102-GND
#1 : GND
CN72-INNER DAMPER
⑥
#1: INNER DEMPER AC(L)
#2: INNER DEMPER AC(N)
⑩ CN201-EEPROM
#1: GND
#3: DC5V
#4: EEPROM_SELECT
#5: EEPROM_SO
#6: EEPROM_SI
#7: EEPROM_CLK
⑭ TB_EXT1-EXT CONTROL
#1 : EXT CONTROL signal
#2 : GND
⑱ CN62-EEV
#1~#4: EEV signal
#5 : DC12V
#6 : DC12V
㉒ TB_HOOD-HOOD
#1 : HOOD signal
#2 : GND
③
TB_DAMPER
#1: DEMPER AC(L)
#2: DEMPER AC(N)
CN71-HUMID
⑦
#1: HUMID AC(L)
#2: HUMID AC(N)
⑪ CN311-2WIRED REMOCON
CN42- COND,EVA_IN/OUT
⑮
SENSOR
#1 : COND SENSOR
#2 : GND
#3 : EVA IN SENSOR
#4 : GND
#5 : EVA OUT SENSOR
#6 : GND
⑲ CN801-SPI
#1: GND
#2: GND
#3: SPI POWER OUTPUT(DC12V)
PCB Diagram and Parts List
④
CN73-BLDC MOTER1
#1: DC310V
#3 : GND
#4 : DC15V
#5 : FAN RPM
#6 : RPM FEEDBACK
CN140-FUSE CHECK
⑧
#1: FUSE CHECK SIGNAL
#2: GND
⑫ CN301-DOWNLOAD
⑯
CN41-IN/OUT_SIDE SENSOR
#1 : IN SIDE SENSOR
#2 : GND
#3 : OUT SIDE SENSOR
#4 : GND
⑳
CN51-FLOAT SWITCH
#1: FLOAT SWITCH signal
#2: GND
5-35