Eaton 93E MK2 Installation And Operation Manual

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Product SpecificationsAppendix I Battery Series and Parallel Connection Operating Recommendation1) This operating recommendation is suitable for HR1234W battery, equals or lesser than 36 series connection, then 1-6 bankin parallel, with backup time between 20mins to more than 100mins.2) Before battery installation, recommended to perform battery measurement on each individual battery. Due to large numberof batteries in series, the whole set of battery performance will be affected even with only one battery having abnormalities.Voltage measurement standard recommendation as below:Storage days 10 days 15 days 20 days 25 days 30 days 40 days 50 days 60 daysOCV ⊿ V value between25℃ and 40℃ ambienttemperature (V)0.03 0.04 0.05 0.07 0.08 0.10 0.12 0.13OCV STD in 20℃ -25℃ambient temperature (V) ≧ 13.0 ≧ 13.02≧ 13.00 ≧ 12.98 ≧ 12.96 ≧ 12.92 ≧ 12.89 ≧ 12.86OCV STD in 35℃ -40℃ambient temperature (V) ≧ 13.01 ≧ 12.98 ≧ 12.95 ≧ 12.91 ≧ 12.88 ≧ 12.82 ≧ 12.77 ≧ 12.733) Battery should be operating with suitable sizing, design, and capacity matching the usage of the equipment. Batteryoperating temperature should be 25°C ± 5°C, in float charge. Battery lifespan will be shorten by 50% by every incrementof 8-10°C above 25°C.4) HR battery design to be used as standby battery, not recommended to be used in frequent blackout area, a place withweekly blackout is considered to be a frequent blackout area. Battery will go into frequent charge and discharge cycle,might cause battery unable to be fully charge.5) Ensure that interconnect cable between batteries having adequate current rating, and same resistance between each bank ofbatteries in parallel. This is to prevent unbalance charging current to each bank of battery due to resistance differences.6) If installed battery is not to be used immediately, recommended to perform charging every 3 months, in float charge for atleast 24 hours. After full charged, suggested to disconnect battery set with UPS, to prevent unintended battery discharge.7) It is not recommended to mix install battery of different batch, however it is practically difficult to achieve. Suggested thatthe battery in same bank must be same batch. Replacement of battery can be done within 3 months of operating time, newbattery must be fully charge before replacement.8) If operating time is within 3 months, the battery replacement can be 1 to 1 in exchange. However if operating time is morethan 3 months, recommended to replace the whole bank of battery. The replacement battery must be fully charged beforereplacement, the battery voltage must be measured and recorded. The whole battery set must be balanced charge once afterreplacement.9) Recommended to perform balanced charge to operating battery set every 6 months, with individual voltage of 14.4V-14.7V (12V battery), charge for 10-12 hours. Monitor battery temperature during charging, if battery temperature riseshigher than 50°C, the charging should be stop immediately.10) After battery set go through discharge, they should be charged back immediately, to prevent sulfation formed on battery.83Eaton 93E MK2 UPS (10-40kVA, 380/400/415V) Installation and Operation

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