EA660 Modular UPS
User manual & Operation explain
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UPS may in a start failure mode, that is there is no AC input and output.
²
Avoid in the overload mode. It should be under 80%, or it will cause the inverter parts damaged while in
the inverter state. Practice improves that, for most UPS, the best working mode is having an output power
rateing between 30%-60%.
²
Requirements of discharge of battery: ordinally, UPS has a protect function, while discharge to self
protect shut down, battery will recover to a certain voltage, while it can’t be restarted again, or it battery
will over discharge. The battery should be charged again and then can working normally.
²
If it is a new UPS or has been stored for some time, usre should first charge and then use it. Or can’
t
guarantee the backup time.
²
If there is no fallen of AC input for a long tiem, users should discharge battery every 3-6 months and then
charge again. This could prolong the woking life.
²
If UPS instored for a long time, please start it and charge it every 3 or 6 months. Or UPS will be
damaged.
²
Please do the maintenance regularly, clearup the dust inside the UPS, test the voltage of battery and fans’
working situation, test and adjust the system parameter, and so on.
12.4 Battery Management
Every power module dedicatedinternal charging rectifier,high reliability, no high frequency
harmonics,avoid high frequency wave affects battery lift.and avoid overheat whiling charging to
expand battery life.
User can intelligently manage according to user setting and battery real state.
1
．
Battery Charging mode— floating and constant charging
Floating Chargines Principle: When batteries are saturation ,Charger doesn’
t work.It still
provides constant floating voltage and little charging current to compensate battery discharge.
Constant chargine principle: Owing to single unit of battery groups comes forth characteristic
change in use. Constant charings strike a balance between single unit characteristics to ensure battery
internal resistance balance. This model is also benefical ot activate the chemical propertiies of
batteries.
2
．
Auto Control Battery are constant and floating chargin.
