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VRLA Batteries
VRLA batteries
Service is provided to all our VRLA batteries also known as the SMF Batteries. A nationwide service network is there to take care of your Amaron Quanta VRLA battery.
Anytime Response Number
Guidelines on Installation and Commissioning
Precautions
Use Proper insulated tools during installation / service
The Lifting equipment of 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 Quanta
TM
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 Quanta
TM
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 Quanta
TM
Batteries. Please refer the Opera & Maiu Manual for Details
Charging Instructions
Constant voltage current limiting charging method is most suitable for Amaron Quanta
TM
- 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 Quanta
TM
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
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.
Trouble Shooting
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
FAQ's
Brief note on VRLA technology
The electrode reactions in all lead acid batteries including VRLA batteries are basically identical. As the battery is discharged the lead dioxide positive active material and the spongy lead negative active material both reacts with the sulphuric acid electrolyte to form lead sulphate and water. During charge, this process is reversed. The coulomb efficiency of the charging process is less than 100% on reaching final stage of charging or under over charge conditions, the charging energy is consumed for electrolytic decomposition of water and the positive plates generate oxygen gas and the negative plates...
Know more...
AMARON QUANTA
TM
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