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)
250V 3.15A
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
415
V DC
3(-) Fiducial terminal of
cathode side on measur-
ing high-voltage DC
1294/325V DC
6(+)0V DC or 15V DC
Emergency
operation switch
Cement
resistor
(R111)
OB450B-1.qxp 07.5.14 4:13 PM Page 23