Samsung MH18VF1X - Page 128

Samsung Electronics8-7
PCB Diagram
■ MH✳✳✳FJEA
&
%
#1~#10
Address/Option S/W Control
#11~#14. GND
#15. External Control On/Off
#17, #19. DC12V
(
#1. DC 5V
#2. GND
3
#1. DC 12V
#2~#5. Control SIGNAL
7
> For Developer,Not for field
> 7pin Downloader
@
^
#1. GND
#2. EVA OUT Temp Sensor
)
#1~#4. Control Signal
#5. DC12V
4
#1.Communication Signal F1
#2.Communication Signal F2
8
>For Developer, Not for field
>10pin Downloader
#
&
#1. ROOM Temp Sensor
#2. GND
#3. EVA-IN Temp Sensor
#4. GND
1
#1. DC12V
#2. GND
5
#1. DC 12V
#2~#5.Communication Signal
$
#1. DC300V
#2. No use
#3. DGND
#4. DC15V
#5. PC501 Output
#6. RPM Output
*
#1. MPI(-) ON/OFF Control(DC12V)
#2. MPI(+) ON/OFF Control(DC12V)
#3. DC12V
#4. MPI Feedback
2
#1, #2, #3, #4, #5> DISPLAY LED
#6. TOUCH S/W Reset(DC5V)
#7. TOUCH S/W Out(DC5V)
#8. REMOCON SIGNAL Receive
#9. GND
#10. VCC(DC5V)
6
#1. Communication Signal F1
#2. Communication Signal F2
CN33-COM2 Communication
(Indoor-Wired Remote Controller)
CN83-PANEL DISPLAY
CN45-MPI
CN73-Fan Motor Output(BLDC)
CN84-LOUVER MOTOR
CN32-DC 12V Output
CN41-Indoor Temp Sensor
CN75-VENTILATOR Output
CN10-MICOM Download1
CN31-COM1 Communication
(Indoor-Outdoor ommunication)
CN84-Electric
Expansion Valve(EEV)
CN42-EVA OUT
CN100-AC Power Input
CN20-MICOM Download2
CN82-DAMPER MOTOR
CN87-DAMPER S/W
CN86-SUB PBA
CN70-GND
AC Power
or
Motor
Power
Connector
DC
connection
Connector