Mitsubishi Electric MSZ-D30NA Service Manual page 113

9-7. Test point diagram and voltage
MSZ-GE06/09/12/15/18NA/NA-
1. Indoor power P.C. board, Indoor terminal P.C. board
Indoor terminal P.C. board
Fuse (F11)( )
Terminal
block
Connector to indoor electronic
control P.C. board (CN20A)
Please replace the fuse after removing the indoor terminal P.C. board from the electrical box.
MSZ-GE06/09/12/15/18NA MSY-GE09/12/15/18NA
2. Indoor electronic control P.C. board
Timer short mode point JPG JPS
(Refer to 7-1.)
Emergency operation
switch (E.O.SW) (SW1)
OBH548D
MSY-GE09/12/15/18NA/NA-
8
Indoor power P.C. board
Varistor (NR11)
12 VDC
5 VDC
Room temperature thermistor RT11 (CN111)
Indoor coil thermistor RT12, RT13 (CN112)
GND
Vane motor (CN151)
Connector to
Indoor power P.C. board
(CN10A)
5 VDC
To disable "Auto restart function",
solder the Jumper wire to JR07.
(Refer to 7-3.)
8
Resistor (R111)
GND
12 VDC
35
Indoor fan motor
(CN211)
294/325 VDC
(–) GND (high-
voltage DC)
15 VDC
(+)3-6 VDC
(+)0-6 V
Room temperature thermistor (RT11)
Indoor coil thermistor (RT12, RT13)
32 50 68 86 104 122 140
Temperature (°F)