User's Manual

SM830043
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4
4. Service procedures
5 Fuse on indoor P.C.B. Ass’y
• Remove the P.C.B. Ass’y from the electrical component box. Then pull out the
fuse from the P.C.B. Ass’y. (Fig. 48)
• The check for continuity of the fuse by using the multimeter. (Fig. 49)
Having continuity is acceptable.
(4) Thermistor Characteristic Curve
1 Room temp. sensor 1 Coil sensor
Fuses
Indoor P.C.B. Ass’y
0644_X_S
Fuse
0645_X_S
(PBC-41E)(KTEC-35)
Resistance (kn )
10 15 20 25 30 35 40
10
9
8
7
6
5
4
3
2
1
Temperature (°C)
0374_M_I
–20 –15 –10 –5 0 5 10 15 20
0
5
10
15
20
25
30
35
40
Temperature (°C)
Resistance (kn )
0375_M_I
Fig. 48
Fig. 49