Service manual

20
Indoor coil thermistor [RT12]
Room temperature thermistor (RT11)
Temperature (°F)
32 50 68 86
104 122 140
Resistance (k )
MS-A09WA MS-A12WA
Indoor electronic control P.C. board
Release of Auto restart
function
Solder the Jumper wire
to JR07
(Refer to 7-3.)
115 VAC Fuse (F11)
250 V 3.15 A
Indoor coil thermistor
RT12
(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
162 VDC
(+)0 or 15 VDC
Emergency
operation switch
Resistor
(R111)