SAFT-technical-manual.pdf

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Technical manual
installation, operation and maintenance
for Ni-Cd STM MR-MRE monoblocks type
Contents
Introduction
Important recommendations
1. Characteristics of STM MR-MRE monoblocks
1.1. General description
1.1.1. Operation principle of vented Ni-Cd cells
1.1.2. Description of STM MR-MRE Ni-Cd monoblocks
1.2. Mechanical characteristics
1.3. Electrical characteristics
1.4. Description of the centralized filling system
1.4.1. General description
1.4.2. Working principle of a centralized filling ramp
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2. Precautions and practices
2.1. Transport, storage
2.2. Water and electrolyte
2.2.1. Water quality
2.2.2. Harm caused in using sulfuric acid or
acidic water
2.3. Electrical shocks and burns
2.4. Possible dangers of hydrogen
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3. Installation
3.1. Assembly into batteries
3.2. Ventilation and cooling
3.3. Assembly of centralized water filling system
3.3.1. Precautions and recommendations
3.3.2. General instructions for assembly
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4. Placing into service
4.1. Procedure before use
4.2. Commissioning cycle and water topping-up
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5. Operation
5.1. Operating temperature
5.2. Two-level charge
5.2.1. Normal charge
5.2.2. Fast charge
5.2.3. Maintenance charge
5.2.4. Recommended charging method
5.3. Discharge
5.3.1. Discharge current
5.3.2. Voltage in discharge
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6. Maintenance
6.1. Periodic maintenance
6.2. Topping-up operation
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7. Repair and overhaul of batteries
7.1. Electrolyte specific density
7.2. Reconditioning
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Appendix
Appendix
Appendix
Appendix
Appendix
Appendix
Appendix
Appendix
Appendix
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STM 5-100 MR G RD equipped
STM 5-100 MRE G RD equipped
STM 5-140 MR G RD equipped
STM 5-140 MR D RG equipped
Accessories for the central filling system
Basic specification for filling circuit hoses
Basic specification for the cooling system hoses
Basic specification for rigid connections
Basic specification for distilled
or demineralized water
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Introduction
This manual is intended for users,
technical and maintenance
personnel.
It contains the main characteristics
of the low maintenance Saft Ni-Cd
STM MR-MRE monoblocks.
It provides guidelines for use
and maintenance to obtain the
best performance and a long
useful life.
The instructions are of general
validity for batteries in Electric
Vehicles.
Nevertheless, every vehicle will
have a specific battery that has
been adapted to its own
mechanical, electrical, thermal,
and other characteristics.
Depending on the referenced
model, specific instructions might
be added to this document.
For uses other than the ones
described in this manual,
contact Saft.
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Important recommendations
!
Install the battery such as to
ensure good ventilation.
!
Never allow a flame or fire to
come near the battery.
!
The electrolyte is harmful to
the skin and particularly to
the eyes. In the event of
contact with eyes, wash
immediately with running
water and/or with a 10 %
solution of boric acid.
!
Wear base-resistant gloves
and goggles to manipulate
the electrolyte.
!
Never use sulfuric acid or
acidified water to top-up
electrolyte, as acid, even in
traces, destroys the battery.
!
Use tools with insulated handles.
!
When batteries or vehicles
equipped with STM MR-MRE
batteries are operated in
closed premises, natural or
forced ventilation is necessary.
Always respect the applicable
safety codes and regulations
of the country of operation.
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