Mitsubishi Electric MSZ-SF15VA - E1 Service Manual page 28

10-7. Test point diagram and voltage
MSZ-SF15VA MSZ-SF20VA
Indoor electronic control P.C. board
Power supply/
serial cord (CN201)
Indoor coil thermis-
tor RT12, RT13
(CN112)
Room temperature
thermistor RT11
(CN111)
Vane motor
(CN151)
12VDC
GND
5VDC
Timer short mode
JPG JPS
(Refer to 8-1.)
SW P.C. board
Display P.C. board
Emergency operation
switch (E.O. SW) (SW1)
Fuse (F11)
T3.15AL250V
AC230V
Receiver P.C. board
Varistor (NR11)
Connector for optional
interface (CN105)
Release of Auto restart function
Solder the Jumper wire to JR07 ( D )
(Refer to 8-3.)
28
Resistor
(R111)
Indoor fan motor
(CN211)
(+) DC0V or
DC15V
(+) 2-6V
15VDC
(–) Fiducial
terminal of
cathode side
on measuring
high-voltage
DC
(+) 325VDC
Room temperature thermistor (RT11)
Indoor coil thermistor (RT12, RT13)
Temperature (°C)