Logitech OB450 REVISED EDITION-B Air Conditioner User Manual


 
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.)
208/230 VAC Fuse (F11)
250 V 3.15 A
Indoor coil thermistor
RT12(MAIN)
RT13(SUB)
(CN112)
Horizontal vane
motor(CN151)
8-7. Test point diagram and voltage
SW P.C. board
Power monitor
receiver P.C.
board
12 VDC
5 VDC
Power supply input
Indoor fan motor
(CN211)
}
Varistor (NR11)
Room temperature
thermistor (RT11)
}
Timer short mode
point JPG, JPS
(Refer to 7-1.)
(+)3-6 VDC
15
VDC
(-) Fiducial terminal of
cathode side on measur-
ing high-voltage DC
294/325 VDC
(+)0 or 15 VDC
Emergency
operation switch
Cement
resistor
(R111)