Fiamm FET FHT Series Handleiding voor installatie en gebruik - Pagina 10
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6. MAINTENANCE
6.1. Battery care
GASES GIVEN OFF BY BATTERIES ON CHARGE ARE
EXPLOSIVE!
DO NOT SMOKE OR PERMIT OPEN FLAMES OR DO
ANYTHING TO CAUSE SPARKS NEAR BATTERIES.
1. Keep the battery and surroundings clean and dry.
2. Make sure that bolted connections are properly
tightened (INSTALLATION paragraph).
3. Usually it is not necessary to apply grease on the
bolts and connectors, in any case "No-oxide" grease
increase the protection against corrosion.
4. Should any corrosion of the connections occur
because of spilled acid, etc., carefully remove
corrosion materials, thoroughly clean and neutralize
with diluted ammonia or baking soda.
5. Keep the battery at the recommended charge voltage
(see CHARGING section).
6. The room in which the battery is installed should be
well ventilated and its temperature as close as
possible to 20°C.
7. Do not try to open the cover valve.
6.2. Cleaning
When necessary, batteries could be cleaned using a soft
dry antistatic cloth or water-
cloth paying attention not to cause any ground
faults.
No detergent or solvent-based cleaning agents or
abrasive cleaners should be used as they may cause a
permanent damage to the battery plastic container and
lid.
6.3. Voltage checks
All voltage measurements should be made when the
whole battery has stabilized on floating, at least 7 days
after battery installation or after a discharge/charge
cycle. To facilitate voltage reading in the correspondence
of each block terminal protection covers are designed
with a safe and proper hole. Measure and record
individual block voltages on float once a year. The
blocks/cells should be within ±4% of the average at
20°C.
No corrective action is required in this case. Maintaining
a correct battery charging voltage is extremely important
for the reliability and life of the battery. So it is advisable
to carry out a periodical checking of the overall float
voltage to verify any possible defect of charger or
connections.
6.4. Cell appearance
Any cells showing corrosion, container bulging, high
temperature than the other cells, should be regarded as
suspect. Such cells should be carefully examined and,
expert advice should be obtained immediately from FET.
This document and the confidential information it contains shall be distributed, routed or made available solely with written permission of FIAMM Energy Technology.
FIAMM Energy Technology S.p.A. reserves the right to change or revise without notice any information or detail given in this publication.
Installation & Operating Instruction -Technical Manual
moistened soft antistatic
6.5. Pilot Cell
For regular monitoring of the battery condition, select
one or more cells of the battery as a "pilot" cell(s); for
batteries comprising more than 60 cells, select one pilot
cell for every 60 cells.
6.6. Periodic Inspections
Written records must be kept of battery maintenance, so
that long-term changes in battery condition may be
monitored. The following inspection procedures are
recommended:
EVERY SIX MONTHS:
Visual inspection on cells/racks (appearance,
cracks or corrosion signs, electrolyte leakage...)
Check and record the overall float voltage at the
battery terminals (not at the charger!),
Measure and record the pilot cell(s) voltage.
room ventilation
YEARLY:
all the controls indicated at six months
Check and record the voltage of all cells.
Make sure all connection are torqued according
to connection torque table; in case of frequent
high discharge current please consider to check
Visual inspection on cells/rack (corrosion signs,
etc...)
clean the cells
7. APPLICABLE STANDARDS
FET Valve Regulated Lead Acid Batteries comply
with:
IEC 60896 –Part 21 Stationary lead-acid battery
Valve Regulated Type – Methods of tests;
IEC 60896 –Part 22 S Stationary lead-acid battery
Valve Regulated Type - Requirements
EN 50272-2 Safety requirements for secondary
batteries and battery installations Part 2: Stationary
batteries.
BS 6290-4 Lead-acid stationary cells and batteries.
Specification for classifying valve regulated types.
BS 6290-1 Lead-acid stationary cells and batteries.
Specification for general requirements
Edition 03/2018 Rev.7
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