Fiamm FET FG Series Installation And Operating Instructions Manual Download | Manualshive

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Installation and Operating Instructions

Technical Manual
Valve Regulated Lead Acid Batteries

AGM

technology

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Summary of Contents for FET FG Series

Page 1: ...Installation and Operating Instructions Technical Manual Valve Regulated Lead Acid Batteries AGM technology ...

Page 2: ...erature 4 2 5 Internal impedance and short circuit current 4 2 6 Service life 5 2 7 Gassing 5 2 8 Operation of batteries in parallel 5 2 9 Open circuit voltage State of charge 5 3 CHARGING 6 3 1 Floating charge 6 3 2 Boost charge Recharge following a discharge 6 4 BATTERY INSTALLATION 7 4 1 Installation 7 4 2 Batteries installed into cabinet 7 4 3 Ripple 8 4 4 Battery room requirements 8 5 SAFETY ...

Page 3: ...e internal pressure variations during battery operation This is further ensured by reinforced container walls and lids Handles have been designed for some batteries into the lids to facilitate handling 1 3 Separators The separators are made of glass microfiber mats by a special process which results in a high porosity with very small pore diameters to ensure maximum oxygen diffusion while maintain...

Page 4: ...sed for FET battery range SLA FLB as well 1 8 Front Terminal Connections Suitable solid connectors made of copper thin or lead plated and covers made of ABS are provided to make a proper installation between blocs Designed for FET front terminal range FIT using a special L clamp SOLID CONNECTOR COVER L CLAMP 1 9 Remote Venting System RVS Most of FET AGM batteries are designed with an optional cent...

Page 5: ... 12 FGL from 17 to 205 FIT from 40 to 195 FHT from 95 to 180 SLA from 25 to 2000 FLB from 26 to 235 2 4 Capacity in relation to the temperature The capacity available from a battery at any particular discharge rate varies with temperature Batteries which have to operate at temperatures different from the nominal 20 C need a higher or lower capacity as per the factor indicated in the following grap...

Page 6: ...ity of gas given off in the air it basically consists of 80 90 hydrogen is very low and thus it is clear that FET VRLA batteries can be installed in rooms containing electric equipment with no explosion danger or corrosion problems under normal conditions In any case these rooms or cabinets must have natural or forced ventilation and not be fully sealed Please refer to VENTILATION for information ...

Page 7: ...ltages to maximize the battery life over the range of temperatures between 20 and 60 C are shown in the figure 6 or using the formula 2 5mV cell C The normal float current observed in fully charged FET front terminal batteries at 2 27 VPC and a temperature of 20 C is approximately 0 3 mA Ah Because of the nature of recombination phenomena the float current observed in the case of the FET front ter...

Page 8: ...s 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 exce...

Page 9: ... provide easy access to each cell for inspection and general maintenance Suitable racks may be made of wood or metal with a coating of acid resistant paint If metal racks are used they must be fitted with rubber or plastic insulators to prevent the cells coming into contact with the metal To facilitate proper battery operation maintenance and care post a battery data card instruction table in a co...

Page 10: ...ord 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 con...

Page 11: ...performances change decrease with battery age After switching off the rectifier discharge the battery for a time of 20 of that calculated discharge rate 4 During the discharge record at regular intervals cell block voltage battery temperature discharge current total battery voltage 5 For safety reason during the test assure that the total battery voltage remains above the minimum depending on disc...

Page 12: ...d from harsh weather moisture and flooding Storage on a pallet wrapped in plastic material is permitted in principle However it is not recommended in rooms where temperature fluctuates significantly or if high relative humidity can cause condensation under the plastic cover With time this condensation can cause a whitish hydration on the poles and lead to high self discharge by leakage current Atm...

Page 13: ...d an air outlet with a minimum free area of opening calculated by the following formula Q x 28 A with Q ventilation flow rate of fresh air m3 h A free area of opening in air inlet and outlet cm2 Note For the purpose of this calculation the air velocity is assumed to be 0 1 m s The air inlet and outlet shall be located at the best possible location to create best conditions for exchange of air i e ...

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