KR-RM Series(1～3kVA) UPS
User Manual
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Step 1 Press " " button on the panel to start UPS. About 10s later, it can start computer or other devices.
Step 2 When UPS works steadily, it can switch on the power switch of load device. Start the high power
device first, and start the small power device. Some devices generate large current when startup(e.g.
some brand display), and it may take overload protection (e.g. bypass action). It is better to start them
first.
Step 3 Before shutdown, turn off computer or other devices first and keep UPS running without load for 10
minutes to exhaust heat, and then press " " button on the panel.
----End
5.4 Battery Maintenance
If battery hasn't been used for a long time, it should charge battery more than ten hours every
three months.
Charge battery for ten hours before using it. During charging, it can use the battery. If the battery
and charger power off at the same time, the discharging time will be less than the standard value.
Generally, charge and discharge battery once every four or six months. Discharge battery till the
battery is under-voltage and then charge it. The charging time for the standard battery should be
more than ten hours every time.
In the high temperature area, charge and discharge battery once every two months. The charging
time for the standard battery should be more than ten hours every time.
It's prohibited to use the battery with different capacities, different types and different
manufacturers.
When cleaning battery crust, use rag with the water, do not use oil substance or organic solvent,
such as gasoline and thinner, etc.
Battery and batteries should be kept away from fire source as well as all electrical equipments
which may easily cause spark to avoid unnecessary loss.
When using the batteries that connect with UPS, it should check whether the charger is OK
periodically. Avoid that the battery is in the over-charge or partial charge status for a long time.
Avoid the battery is over-discharge. After discharging, it should fully charge battery
immediately(it should not be more than twenty-four hours) and then it allows discharging again.
It is prohibited to discharge again if the battery doesn't fully charge. Otherwise, it will reduce the
battery capacity, even damage battery.
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