32
Room temperature thermistor (RT11)
Indoor coil thermistor (RT12, RT13)
Temperature (°C)
Resistance (k
Ω
)
Indoor power P.C. board, Indoor electronic control P.C. board, Receiver board, Display board, Switch board
10-7. TEST POINT DIAGRAM AND VOLTAGE
MSZ-AP25VG MSZ-AP35VG MSZ-AP42VG MSZ-AP50VG
MSZ-AP25VGK MSZ-AP35VGK MSZ-AP42VGK MSZ-AP50VGK
Terminal P.C.Board
Receiver P.C.Board
Resistor (R111)
[MSZ-AP
25/35/42VG(K)]
Reactor (L112)
[MSZ-AP50VG(K)]
Indoor fan motor
(CN211)
325 V DC
(–) GND (high-
voltage DC)
15 V DC
(+)3-6 V DC
(+)0 or 15 V DC
Indoor electronic
control P.C. board
Display P.C. board
Switch/
buzzer
P.C. board
Fuse
(F11)
Varistor
(NR11)
12 V DC
GND
To disable "Auto restart function"
cut the Jumper wire to JR77.
(Refer to 8-3.)
Emergency
operation switch
(E.O.SW) (SW1)
Room temperature
thermistor RT11 (CN111)
Indoor coil thermistor
RT12, RT13 (CN112)
Vane motor
(CN151)
5 V
Timer short
mode point
(Refer to 8-1.)
OBH788