41
TEST POINT DIAGRAM AND VOLTAGE
MS-12SN -
MS-15SN -
MS-17SN -
MS-24SN -
MS-12SN -
MS-15SN -
MS-18SN -
Indoor electronic control P.C. board
C1
C2
C2
C1
C1
C1
C1
0
0
10
20
30
40
10 20 30 40 50 60
Room temperature thermistor (RT11)
Indoor coil thermistor (RT12)
Temperature (
;
;
)
Resistance (k
''
)
}
}
}
}
Fan motor power supply
Fuse 250V AC 3.15A
Power supply input
220V AC
+
--
5V DC
Indoor coil thermistor(RT12)
Timer short mode point
(Refer to page 32.)
Emergency operation switch
12V DC
+
--
Room temperature thermistor(RT11)
C144
C144
JPG
JP45
Auto restart function
Cut the Resistor JR06.
(Refer to page 33.)
Varistor (NR11)
CN201
52C
JPG
JPS
CN304
Receiver P.C. board
OB256-2qxp 2.2.8 9:10 AM Page 41
Summary of Contents for MS-09SN-C1
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