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Nortec UL60 - Page 95

Nortec UL60
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9 Tabular overview of the program procedures Maintenance
© Nortec Electronics 2018 95
B) Fast maintenance:
Step 1:
I-Charge with C
1
until charging voltage of 1.55 V × number of cells is.
Step 2:
Topping charge with C
5
.
Duration 3 hours.
In case no automatic cell tester is connected:
15 minutes before the end of the topping charge a signal requests for measurement of single cells
voltages and to control the electrolyte level.
Otherwise:
Cell measurement is performed automatically und you are asked to control the electrolyte level.
Step 3:
Discharging with C
1
until a voltage of 1 V for each cell is reached.
Step 4:
I-Charge with C
1
until charging voltage of 1.55 V × number of cells is reached.
Step 5:
Topping charge with C
5
for 2 hours.
In case no automatic cell tester is connected:
15 minutes before the end of the topping charge a signal requests for measurement of single cells
voltages and to control the electrolyte level.
Otherwise:
Cell measurement is performed automatically und you are asked to control the electrolyte level.
End of program.
In case an automatic cell tester is connected:
The capacity which was measured during the discharge until the time will be displayed, until the first
cell has fallen below 1.0V.
Excample:
Connected is a 24 V battery with 40 Ah. The battery will be charged with 40 A to 31 V.
Furthermore the battery will be charged with 8 A. After 3.5 hours the battery will be discharged with
40 A to 31 V. Furthermore the battery will be charged for another 2 hours with 8 A.
Excample NiCd battery HAWKER
recommended procedure

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