P M 13 7 9
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5-3. OVERLOAD PROTECTION.
Disconnect the unit from the power supply
before removing the left side cover.
1.- Left cover.
2.- Fuse F4.
3.- Fuse F5.
If fuses F4 and F5 are open, there will be no
energy in the fan motor.
4.- Fuse F6.
Protect at control transformer from overload, if F6
open, output unit stops.
5.- 10 A fuse. F1.
The fuse F1 protects the control card PC3 against
short circuits or overloads produced in the remote
receptacle 14.
6.- Fuse F2
7.- Fuse F3
The fuses F2 and F3 protects the control card PC1
against short circuits.
Using incorrect fuses may damage the unit or
the power supply network. Use only original
fuses (same type, size and rating).
Figure 5-2 Overload protection.
Replacing a fuse.
1.- Remove the left side cover.
2.- Replace the open or damaged fuse.
3.- Reinstall the side cover.
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