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Guidelines on Installing and Commissioning

Precautions

  • Use Proper insulated tools during installation / service
  • The Lifting equipment ofs the batteries must withstand to hold the module weight during installation
  • Always follow the O & M Manual safety instructions
  • Avoid installation damages
  • Avoid short circuits

Space Consideration

  • Install battery bank in a clean, cool and dry location
  • Battery bank installation floor should be reasonably levelled
  • The location having an ambient temperature of 24?C to 30?C will result in optimum battery life and performance

Floor Loading

  • The Amaron QuantaTM batteries weight has been given in the Opera & Maiu manual. The total System weight can be calculated from the Opera & Maiu Manual
  • If floor loading exceeds the permissible limits, assemble the batteries on separate rack or approach ARBL nearest office for suggestions

Ventilation

  • No separate ventilation or battery room is required for VRLA batteries
  • Normal room ventilation is sufficient

Floor Anchoring

  • Generally the system does not required to be anchored
  • Where seismic conditions are anticipated, floor anchoring, should be provided
  • Such anchoring is the responsibility of the customer/end user

Temperature Variations

  • Sources of heat or cooling directed to a portion of the battery bank can cause temperature variations within the system
  • Results in module voltage differences and lead to premature failure of Battery system

Inter connecting cables rating:

The following cable ratings are proposed during I&C depending on the load currents

Elastomeric cable  PVC cable
Cable c/s Load in Amps Cable c/s Load in Amps
10 60 10 44
16 81 16 59
25 108 25 78
35 133 35 96
50 167 50 120
70 206 70 149

Tools

  • 3.5 Digit Multimeter with RMS value (Ripple) measurement
  • Spanner set

Safety

  • In normal use, Amaron QuantaTM Batteries will not generate or release hydrogen, oxygen gases, or acid mist and will not have acid leak. They are inherently safer than conventional lead acid batteries
  • However, there is a possibility that under abnormal operating conditions or as a result of damage, misuse and/or abuse, these potentially hazardous conditions (gassing, acid mist, and leaking electrolyte) can occur
  • Thus Amara Raja recommends that the instructions entitled "SAFETY PRECAUTIONS" be reviewed thoroughly and strictly followed when working with Amaron QuantaTMBatteries. Please refer the Opera & Maiu Manual for Details
Charging Instructions top

Constant voltage current limiting charging method is most suitable for Amaron QuantaTM - MVRLA batteries

   Float Mode;  13.50Volts;
  Boost Mode   13.80Volts
   Current Limit   25% of rated Ah
Ripple allowable < 2% rms
  O/P Voltage regulation ±1%
  Over Voltage cut off 14.00Volts
Under Voltage Trip   10.50Volts

Do's & Don'ts

Do's :

  • Keep the batteries away from heat, sparks, fire etc.
  • Clean the batteries as and when dust accumulates.
  • Charge the batteries once in every six months @ 13.8V VPC for 24 hrs. If stored for longer periods
  • Wherever cables are used ensure using proper cable size and crimping of the plug to the cable
  • Torque all terminal bolts to 11 Nm (100 Lb.-inch)
  • Re- torque the terminal bolts once in every six months
  • After discharge, recharge the batteries when power restores
  • Always use calibrated instruments for measurements

Dont' s :

  • Do not tamper with the safety valves
  • Do not over-tighten the terminal bolts
  • Do not allow any metal objects to fall across the battery terminals
  • Do not mix batteries of different capacities or makes
  • Do not mix ordinary conventional/low maintenance batteries with Amaron QuantaTM SMF Batteries
  • Do not install physically damaged batteries
  • Do not make any tap connections from the battery bank
  • Do not boost charge the batteries for more than 12 Hrs. in regular operation / usage
  • Do not allow any direct sunlight to fall on batteries

Beta Mini - ONLINE SMF 12V Battery Tester

top

Online SMF 12V Battery Tester is a microcontroller-based instrument which tests the health condition of a 12V lead-acid battery. The tester has two parts. One is the controllable load bank, and the other is the hand held unit of the test equipment, which contains the processor board. The Mini Beta is a controller-based control and measurement system with LCD display and keypad, it provides the user with information on battery "OCV" and "FDV" information.

Troubleshooting

Symptom Check for Cause Remedy
Low back up (i) Charge Settings Lower setting Re-adjust to 13.5V per Module
  Continuous charging at high voltages Replace the battery
(ii) Terminal tightness Loose Tighten to 11 N-m
(iii) State of charge Not fully charged Charge the battery at 13.8 VPM for 24hrs

Unequal voltages among the batteries (i) Terminal tightness Loose in few modules Check the terminals tightness for all the batteries. Tighten to 11 N-m
  (ii) External heat sources directed on few batteries External heat sources direct
on few batteries
Redirect the heat sources from the batteries / reposition the batteries.
  (iii) Tap Connections Tap Connections Remove the tap connections
  (iv) Boost charge No boost charge once in three months Boost charge at 13.8 VPM for 24 hrs

Abnormal battery heating (i) Ventilation Poor Provide adequate ventilation
  (ii) Ripple Very high ripple in the charger out put. Rectify the charger
  (iii) Charger Setting Continuous over charge Replace the battery
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