Mitsubishi Electronics MSH-A18ND service manual Indoor electronic control P.C. board

8-6. Test point diagram and voltage

MSH-A18ND MSH-A24ND

Indoor electronic control P.C. board

Fuse (F11) 250V AC 3.15A

PS132

Receiver P.C. board

Release of “Auto restart function” Solder jumper wire to JR07. (Refer to 7-3.)

Fan motor power supply

}Power supply input 220V AC

+} 5V DC

Room temperature ther- mistor(RT11)

Indoor coil thermistor(RT12(main))

MSH-A24ND

Indoor coil thermistor(RT13(sub))

Emergency operation switch

Timer short mode point (JPS, JPG)

(Refer to 7-1.)

+

}

12V DC

Indoor coil thermistor(RT12(main), RT13(sub)) Room temperature thermistor (RT11)

Resistance(k")

17