Service manual

67
TEST POINT DIAGRAM AND VOLTAGE
MSH-18RV -
MSH-24RV -
Indoor electronic control P.C. board
E1
E1
Fan motor power supply
Fuse(F11) 250V AC 3.15A
}
Power supply input
220-240V AC
+
}
5V DC
Indoor coil thermistor(RT12)
Emergency operation switch
+
}
12V DC
P.C.board
0~20V DC
R132
Room temperature
thermistor(RT11)
Resistance(k")
C144
C144
JPG
JP41
Timer short mode point
(JPS, JPG)
(Refer to page 50.)
How to set “Auto restart function”
Cut the Resistor JR06.
(Refer to page 51.)
OB272-3.qxp 02.1.26 1:24 PM Page 67