Ferroresonant L-828/L-829 CCR Troubleshooting
2009 ADB Airfield Solutions, Incorporated
96A0288T 6-3
All rights reserved Issued 9/04
This subsection provides information for troubleshooting fuses.
Refer to Table 6-1 for amp rating as a function of input voltage and CCR
kW rating for input power fuses F1 and F2 on the L-828 and L-829 CCRs.
Table 6-1 Input Power Fuses, F1 and F2, per CCR Input Voltage and CCR kW Rating
(Fuse Part
Number)
(Fuse Part
Number)
(Fuse Part
Number)
(Fuse Part
Number)
(Fuse Part
Number)
(Fuse Part
Number)
(Fuse Part
(Fuse Part
Refer to Table 6-2. Fuses F3 and F4 on the L-828/L-829 CCRs protect
transformer T4, which supplies 110 Vac and 24 Vac to the universal
regulator control card.
Table 6-2 Transformer T3 Fuses F3 and F4 Ratings
4-10 kW
(Fuse Part Number)
15-70 kW
(Fuse Part Number)
L-828/L-829 Input Power
Fuses F1 and F2
L-828 / L-829 Step-Down T4
Transformer Fuses F3 and F4