Magnum MS2000 Owner's Manual
Also see for MS Series: Owner's manualRemoval and Replacement
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Contents
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Page 62© 2016 Sensata TechnologiesAppendix B – Battery InformationAppendix B – Battery InformationB-1 Battery LocationPeriodic maintenance (i.e., checking connections, cleaning, watering) on batteries is required.Locate the batteries in an accessible location to perform this maintenance.Batteries must be mounted in a clean, dry, ventilated environment where they are protectedfrom high and low temperatures. The battery bank should be located as close to the inverter aspossible without limiting access to the inverter’s disconnects. Longer battery cable runs tend tolose efficiency and reduce the overall performance of an inverter.To ensure optimum performance, a ventilated battery enclosure is recommended. Two feet ofclearance above the batteries is recommended for access to the battery terminals and removablecaps (lead acid battery types).WARNING: Be very careful when working around batteries, they can produce extremelyhigh currents if they are short-circuited. Read the important safety instructions at thebeginning of this manual and the precautions from the battery supplier before installingthe inverter and batteries.CAUTION: Do not mount the batteries beneath the inverter (or in the same compartment).Batteries emit corrosive fumes which could damage the inverter’s electronics. Neverlocate dedicated batteries near a vehicle/home fuel tank containing gasoline or propane.B-2 Battery TypesBatteries are available in different sizes, amp-hour ratings, voltage and chemistries. They are alsoavailable for starting applications (such as an automobile starting battery) and deep dischargeapplications. Only the deep cycle types are recommended for inverter applications; using a startingbattery in an inverter (deep cycle) application will greatly shorten their useful life. Choose thebatteries best suited for the inverter installation and cost. Use only the same battery type for allbatteries in the bank. For best performance, all batteries should be from the same lot and date.This information is usually printed on a label located on the battery.B-3 Battery TemperatureBattery performance of lead-acid type batteries is greatly affected by extreme temperatures. Whena lead-acid type battery is cold, its effective amp-hour capacity is reduced. When determiningthe battery requirements needed for the inverter system, realize that the battery capacity will bereduced if they will be installed in a climate where extremely cold temperatures are expected. Inthis type of environment, the batteries should be located in a heated area. At the minimum, thebatteries should be installed in an insulated enclosure; which will keep the batteries warmer asthey are being charged.The battery bank should also be protected from high temperatures, which will shorten batterylife. In high heat situations the battery room/enclosure should be ventilated to bring in cooler airand exhaust the hotter air. The performance of the battery bank/inverter system will substantiallyincrease by monitoring and preventing extreme temperatures around the batteries.B-4 Battery Bank SizingThe size of the battery bank determines how long the inverter will power the AC loads withoutrecharging. The larger the battery bank, the longer the run time. Size your battery bank to thesystems AC load requirements and length of time required to run from the batteries. In general,the battery bank should not be discharged more than 50%. Additional DC charging devices suchas solar, wind, hydro, etc., can provide longer run times by recharging the batteries in the absenceof AC utility or generator power.Info: For the MS Series inverter/charger to perform optimally, a minimum battery bankof 200 AH is recommended for moderate loads (<1000W) and greater than 400 AH forheavy loads (≥1000W). |
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