Samsung AR07CSDAFWKN Service Manual page 111

Multi air conditioner
Table of Contents

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E1. CN100-AC LOAD POWER
#1 : L-LIVE POWER INPUT
#2 : -
#3 : N-NEUTRAL POWER IN PUT
5. CN402- HIGH PRESSURE
SWITCH
#1 : HIGH PRESSURE SWITCH
INPUT SIGNAL
#2 : GND
9. CN200 - MAIN ↔ INV
COMMUNICATION
#1 : TCD
#2 : RXD
#3 : DC 5V
#4 : GND
#5 : DC 12V
#6 : INV POWER CTRL
#7 : MAIN AC LOAD POWER
CTRL
#8 : -
13.TB001-DRED & UPPER CTRL
#1 : DRED SIGNAL(DRM1)
#2 : DRED SIGNAL(DRM2)
#3 : DRED SIGNAL(DRM3)
#4 : GND
#5 : R1
#6 : R2
17. CN805 - EEV A
#1 : EEV A SIGNAL
#2 : EEV A SIGNAL
#3 : EEV A SIGNAL
#4 : EEV A SIGNAL
#5 : GND
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2. CN101-4WAY VALVE
#1 : L-RELAY CONTACT OUTPUT
#2 : -
#3 : N-NEUTRAL POWER
OUTPUT
6. CN501- ERROR CHECK/COMP
CHECK
#1 : DC 12V
#2 : ERROR CHECK OUTPUT
SIGNAL
#3 : DC 12V
#4 : COMP CHECK OUTPUT
SIGNAL
10. CN403 - TEMPERATURE
SEMSOR
#1 : OUTDOOR TEMPERATURE
SENSOR
#3 : DISCHARGE
TEMPERATURE SENSOR
#5 : CONDENSOR
TEMPERATURE SENSOR
#7 : OLP TEMPERATURE
SENSOR
#2,4,6,8 : GND
14. CN201 - EEPROM
#1 : GND
#2 : -
#3 : 5V
#4 : EEPROM SIGNAL
#5 : EEPROM SIGNAL
#6 : EEPROM SIGNAL
#7 : EEPROM SIGNAL
18. CN820 - EEV B
#1 : EEV B SIGNAL
#2 : EEV B SIGNAL
#3 : EEV B SIGNAL
#4 : EEV B SIGNAL
#5 : GND
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3. CN102-BASE HEATER
#1 : L-RELAY CONTACT OUTPUT
#2 : -
#3 : N-NEUTRAL POWER
OUTPUT
7. CN500- EXTERNAL CONTROL
#1 : GND
#2 : EXTERNAL CONTROL
INPUT SIGNAL
11. CN805 - EEV C
#1 : EEV C SIGNAL
#2 : EEV C SIGNAL
#3 : EEV C SIGNAL
#4 : EEV CSIGNAL
#5 : GND
15. CN301 - ODU ↔ IDU
COMMUNICATION
#1 : F1
#2 : F2
19. CN801 - EEV D
#1 : EEV D SIGNAL
#2 : EEV D SIGNAL
#3 : EEV D SIGNAL
#4 : EEV D SIGNAL
#5 : GND
PCB Diagram
4. CN303-12V
#1 : DC 12V
#2 : GND
8. CN401- PIPE IN/OUT
TEMPERATURE SENSOR
#1 ~ #8 : PIPE IN
TEMPERATURE
SENSOR
#13 ~ #20 : PIPE OUT
TEMPERATURE
SENSOR
12. CN202 - DOWNLOAD
#1~20 : DOWNLOAD SIGNAL
16. CN305 - COMMUNICATION
EMI EARTH
#1 : EARTH
5-17

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