23
Indoor coil thermistor [RT12 (MAIN), RT13 (SUB)]
Room temperature thermistor (RT11)
Temperature (˚F)
Resistance (k
"
)
MSZ-A09NA
MSZ-A12NA
MSZ-A15NA
MSZ-A17NA
MSY-A15NA
MSY-A17NA
Indoor electronic control P.C. board
Release of Auto restart
function
Solder the Jumper wire
to JR07.
(Refer to 7-3.)
208/230V AC
Fuse(F11)
Indoor coil thermistor
RT12(MAIN)
12
RT13(SUB)
34
(CN112)
Horizontal vane
motor(CN151)
8-7. Test point diagram and voltage
SW P.C. board
Power monitor
receiver P.C.
board.
12V DC
5V DC
Power supply input
Indoor fan motor
(CN211)
}
Varistor (NR11)
Room temperature
thermistor(RT11)
}
Timer short mode
point JPG, JPS
(Refer to 7-1.)
5
(+)3-6V DC
4
15V DC
3
(-) Fiducial terminal of
cathode side on measur-
ing high-voltage DC
1
294/325V DC
6
(+)0V DC or 15V DC
Emergency
operation switch
OB450-1.qxp 06.3.29 9:32 AM Page 23
