Summary of Contents for Midac 2 MSP 55
- Page 1 www.midacbatteries.com Vented Lead-Acid STANDBY POWER BATTERIES Operating, installatiOn and Maintenance instructiOns...
- Page 2 1. intrOductiOn 2. recOMMendatiOns 3. saFetY rules 4. deliVerY and stOrage 5. electrOlYte 6. BatterY rOOM 7. installatiOn 8. cHarging 9. speciFic graVitY readings 10. BatterY Maintenance 11. Maintenance repOrt 12. additiOnal inFOrMatiOn 13. tecHnical data...
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Page 3: Safety Rules
MIDAC MSP low maintenance Standby Power batteries. 2. recOMMendatiOns Carefully read this manual in all its parts upon receipt of MIDAC MSP low maintenance standby batteries. The non-compliance with the instructions given herein may cause injury to people and damages to the equipment, as well as the bad operation of the battery. -
Page 4: Delivery And Storage
Always take the following precautions: • Keep batteries upright. • Use insulated tools. • DO NOT place or drop metal objects on top of the battery. • DO NOT wear rings or bracelets. Remove any articles of clothing with metal parts that might come in contact with the battery terminals. - Page 5 If the electrolyte has been supplied by MIDAC, store it in a safe place until required. If electrolyte is purchased locally, make sure that its characteristics are in accordance with the following table:...
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Page 6: Installation
6. BatterY rOOM (nOrM reF. en 50272-2) The battery room must be dry, clean and not subject to vibrations. It must be properly sized to enable installation, inspection, topping up and maintenance. Also it must be duly ventilated, especially during charge, and provided with explosion proof electrical equipment. Its temperature should be as moderate as climate allows, preferably between 10°C (50°F) and 30°C (86°F). - Page 7 Vented Lead-acid | StandBY POWeR BatteRieS Operating, installatiOn and Maintenance instructiOns Prepare the inter-cell connectors by cleaning up the contact surfaces. Do not use a wire brush and be especially careful not to break through the insulation. Apply a light coating of no-oxide grease to the contact-making areas of each connector. Fit the inter-cell and inter-tier connectors using the bolts, nuts and washers supplied.
- Page 8 8. cHarging 8.1 Filling of dry charged cells Always use glass or plastic jugs and funnels to fill the cells. Never use metallic materials; electrolyte may corrode them or react by contact. Fill the cells to reach the “MAX” line level and wait to allow the acid soak into separators and plates. This operation should take approx.
- Page 9 The initial charge may be terminated when the specific gravity readings of all cells have remained constant for at least 2 hours. At the end of this initial charge, set the battery voltage to the MIDAC recommended float voltage (see section 8.4.1). 8.4 Charging in service Temperature compensation must be as follows: ±3.5 mV each °C out of the range 20°C / 25°C...
- Page 10 8.4.2 Equalizing charge Chargers have usually two adjustable charging voltages: one for the “floating” charge and one for the “equalizing” charge (also known as “boost”, “high rate” or “recharge”). The equalizing charge is generally required: - when the total voltage spread between the cells is greater than 0.04 V under float charging conditions; - for fast recharging after a discharge;...
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Page 11: Specific Gravity Readings
Vented Lead-acid | StandBY POWeR BatteRieS Operating, installatiOn and Maintenance instructiOns 9. speciFic graVitY readings Before taking readings of specific gravity value, ensure that the electrolyte level inside the cells is at the “MAX” level line and that any recent topping-up of distilled water has properly mixed-in, by an equalizing charge (see section 8.4.2). The specific gravity of the electrolyte varies with temperature;... -
Page 12: Battery Maintenance
- 0.04 V or more in cell voltage. Topping-up The water consumption of MIDAC MSP low maintenance Standby Power batteries in float charge at 25° C (77°F) is minimized. The water consumption increases with higher temperature, overcharge or other stressing conditions. -
Page 13: Maintenance Report
85% of its original capacity. Once this stage has been reached, yearly capacity tests should be performed until the battery has reached the end of its useful life. 12. additiOnal inFOrMatiOn For any further information on MIDAC MSP Low Maintenance Standby Power batteries, please contact: MIDAC S.p.A. -
Page 14: Technical Data
Overall Weight Volume ah/10Hrs ah/120Hrs mOhm length Width Height litres 1,35 1,43 82,5 197,5 12,8 2 MSP 55 0,92 2,14 82,5 197,5 14,1 10,0 3 MSP 55 4 MSP 55 0,71 2,85 82,5 197,5 15,7 12,2 0,58 3,56... - Page 15 Vented Lead-acid | StandBY POWeR BatteRieS Operating, installatiOn and Maintenance instructiOns nOte...
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