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FIAMM Energy Technology S.p.A
Installation & Operating Instruction -Technical Manual
Edition 03/2018 Rev.7
4.
BATTERY INSTALLATION
All necessary precaution must be taken when working
with lead acid batteries as per electrical risk, explosives
gasses, heavy components, corrosive liquids. Use
insulated tools and wear protective equipment.
4.1.
Installation
FET front terminal valve regulated recombination
batteries can be fitted on stands or into cabinets. FET
offers a wide selection of stands, from one tier/one row
to six tiers/three rows, to suit most applications. Cabinets
are available with or without circuit breaker and its
relevant compartment.
1.
Avoid any impact or shock which could cause
breaking or micro fractures to container. Do not lift
cells by its terminals. Always lift the individual unit
from underneath, or by the build-in-lifting handles
2.
Make sure that all cell jars and covers are thoroughly
clean and dry.
3.
Synthetic cleaning cloths must not be used. Clean lids
and containers only with antistatic cotton cloths
soaked in a solution of mild soap and completely
“wrung” out.
4.
Should the terminal posts have a white film on them,
lightly abrade their contact surfaces, using a
Scotchbrite pad or fine grit abrasive paper, to remove
any surface oxidation.
5.
Do not lift cells by terminals; do not use terminals as
point of lifting during handling/installation process.
6.
Place the single units at their correct position
according to the electrical layout.
7.
In order to allow heat dissipation a minimum distance
of 5-10mm between cells/blocs is recommended; this
is normal using FET standard connectors; for special
requirements please contact FET.
8.
Care must be taken to avoid short circuiting the cells
with any of the battery hardware.
9.
Start with the lowest shelf to ensure stability.
Carefully preserve the sequence: positive, negative,
positive, negative throughout the whole battery.
Flexible cable connectors for connecting from one
shelf to the one below, will be applied once that all
the blocs have been connected (we would suggest to
connect such inter-shelf or inter-row cable connectors
at the final User’s premises only).
10.
To ensure a good electrical contact between the
bottom of each terminal and the connecting strap and,
at the same time, to ensure that the threaded terminals
are not damaged by excessive torque, use a torque
spanner set on the value of:
RANGE
TYPE
VALUE
[Nm]
FLB - FGC - FGL
M5
5÷6
FLB - FGL - FIT - SLA
M6
7÷9
FLB - FGL - FIT
– SLA - FHT
M8
10÷12
SLA
M10
20÷25
FG - FGC - FGH
Flag Ø5.5
5÷6
FG
Flag Ø6.5
6÷7
11.
Insulate all the connectors by means of the plastic
covers being supplied with the battery accessories.
12.
Affix the cell number stickers to the cell jars making
sure that the surfaces are dry and clean. It is usual to
number the cells beginning with #1 at the positive
end of the battery, numbering consecutively in the
same order as the cells are connected electrically,
through to the negative end of the battery.
13.
Check the total battery voltage which should comply
with the total number of cell connected in series.
14.
The cells are usually designed to be installed in
vertical position; the horizontal position could in
some cases stress the cells. Here below the correct
cell arrangements for large capacity AGM cells.
Example of installation
and cell arrangement
(position of + / - poles)
of AGM batteries with
capacity equal or
higher than 800Ah
4.2.
Batteries installed into cabinet
For safety reasons, we would not recommend to pre-
assemble the blocs into the cabinets before shipment to
the final Customer. However, if this is normal practice
for some system makers, we would strongly recommend
to pay special attention to protect the battery system from
mechanical stress and vibrations occurring during
transport. For this purpose, we would require to properly
fasten all the blocs to the relevant cabinet shelves by
means of plastic band and/or other adequate methods.
Furthermore, the cabinet should be protected, in the
outside, with shock-absorbing packaging material, in
order to prevent any transmission of vibrations to the
internal components such as the battery blocs. Special
precautions must be taken to avoid accidental short
circuits (do not connect all the batteries, divide the
battery circuit low voltage parts).
For any further information please refer to EN50272
Standard or contact FET at: