Mitsubishi Electric MSH-18RV Service Manual page 70

MUH-24RV -
E1
MUH-30RV -
E1
Outdoor deicer P.C. board
Defrost thermistor (RT61)
Ambient temperature thermistor (RT63)
100
90
80
70
60
50
40
30
20
10
0
-20 -10 0 10 20 30 40
Temperature(:)
CN661 1-2
Defrost ther-
mistor (RT61)
(Refer to
page 66.)
Defrost
interval
time short
pin(JPG1,
R871)
(Refer to
page 50.)
J101 +
5V
DC
J401
(Refer to
page 61,
62 or 65.)
Discharge temperature thermistor(RT62)
900
800
700
600
500
400
300
200
100
0
0 10 20 30 40 50 60 70 80 90 100 110 120
<MSH-30RV only> CN662 3-4
CN662 1-2
Ambient tempera-
Discharge temper- ture thermistor
ature thermistor (RT63)
(RT62) (Refer to page 66.)
(Refer to page 66.)
Jumper wire for
change in defrost
setting (JRF, JRG)
(Refer to page 50.)
Temperature(:)
LEV
connector
(CN724)
70
Fan motor
connector Varistor
(NR62)
(CN711)
+
+
R.V. coil
}
(CN721)
}
12V DC
Fuse
3.15A / 250V
Varistor
(NR61)
} CN7301-3
220-240V AC
(Refer to
page 61 or
62.)
R601
}
10V DC
(Refer to
page 64 or
65.)