Mitsubishi Electric Mr. SLIM MSZ-FA25VA Technical Manual página 322

Resolución de averías
7. Test point diagram and voltage
MFZ-KA25VA MFZ-KA35VA
Indoor electronic control P.C. board
FUSE (F11)
3.15A 250V Power supply
input 230V AC
Varistor
NR11
JR05 JR06
Modification point for
individual operation
(Refer to 9-2.)
322
MFZ-KA50VA
Room temperature
thermistor RT11
Indoor coil thermistor RT14 (MAIN 2)
Indoor coil thermistor RT13 (SUB)
5V DC
GND DC 12V DC
Indoor coil thermistor RT12 (MAIN 1)
Indoor coil thermistor RT15 (MAIN 3)
Release of Auto reset function
Solder the Jumper wire to JR07.
(Refer to 9-3.)
Emergency operation switch
Horizontal vane motor CN151
Damper lock motor Right CN151
Damper motor CN152
Damper lock motor Left CN152
6 over 15V DC
5 3-6V DC
4 15V DC
3
1 305V DC
Indoor coil thermistor [RT12,RT14,RT15 (MAIN), RT13 (SUB)]
Room temperature thermistor (RT11)
Temperature (
Timer short mode point
}
JPG, JPS (Refer to 9-1.)
Display, receiver P.C. board
Emergency
1FAN/2FAN
operation
change switch
switch
6 over 15V DC
Indoor fan
5 3-6V DC
motor (Upper)
4 15V DC
3
CN211
1 305V DC
Indoor fan
motor (Lower)
CN212
)
°C