Mitsubishi Electric MS-09SN-C1 Service Manual page 40

TEST POINT DIAGRAM AND VOLTAGE
MS-09SN -
C1
MS-09SN -
C2
MS-10SN -
C1
MS-10SN -
C2
Indoor electronic control P.C. board
--
{
12V DC
+
Power monitor, receiver P.C. board
Varistor (NR11)
Auto restart function
Cut the Resistor JR07.
(Refer to page 33.)
40
Fuse 250V AC 3.15A
}
Fan motor power
supply
Power
CN201
}
supply
input
52C
220V AC
Room temperature
thermistor
(RT11)
Timer short mode
point(JPS,JPG)
(Refer to page 32.)
Indoor coil
thermistor (RT12)
Emergency
operation switch
+
}
5V DC
--
Indoor coil thermistor (RT12)
Room temperature thermistor (RT11)
40
30
20
10
0
0 10 20 30 40 50 60
Temperature (; ; )