Service manual

31
MU-A30WV -
Outdoor deicer P.C. board
E1
Varistor
(NR62)
Fuse
3.15A / 250V
}
12V DC
}
5V
DC
+
+
Temperature(:)
Discharge temperature thermistor(RT62)
Resistance(k")
0 102030405060708090100110120
0
100
200
300
400
500
600
700
800
900
Ambient temperature thermistor (RT63)
-20 -10 0 10 20 30 40
0
10
20
30
40
50
60
70
80
90
100
Temperature(:)
Resistance(k")
CN662 1-2
Discharge temper-
ature thermistor
(RT62)
(Refer to page 30.)
CN662 3-4
Ambient temperature
thermistor (RT63)
(Refer to page 30.)
LEV
connector
(CN724)
Fan motor
connector
(CN711)
Varistor
(NR61)
CN7301-3
230V AC
}
(Refer to
page 28
or 29.)
}
R601 10V DC
(Refer to page 29.)
(Refer to
page 28 or
29.)
J101
J401
+
OB326A-2.qxp 04.2.9 10:42 AM Page 31