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Chapter 5 Installation and Wiring
6
Please follow step
7
stated in section
Single Input (Single Unit)
.
WARNING:
1. When UPSs are paralleled, the length of each unit’s input cables/ output
cables must be equal. This ensures that the parallel UPSs can equally share
the equipment loads in bypass mode.
2. Only UPSs with the same capacity, voltage and frequency can be paralleled;
otherwise, parallel functions will fail.
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1, 2 or 3) through the LCD. Otherwise, parallel UPSs cannot be started. If the
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ID numbers.
5.6 External Battery Cabinet Connection Precautions
WARNING:
1. You can connect loads to the UPS only after the batteries are fully charged.
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connected when a power failure occurs.
2. A battery can present a risk of electric shock and high short-circuit current.
Servicing of batteries and battery cabinets must be performed or supervised by
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required precautions. Keep unauthorized personnel away from batteries and
battery cabinets.
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Battery
1. Charge Voltage
1) Float voltage: ±163.2 Vdc (default)
2) Boost voltage: ±168 Vdc (default)
2. Charge Current
UPS
20 kVA
30 kVA
40K kVA
60K kVA
Default
2A
3A
3A
4A
Minimum
1A
1A
1A
1A
Maximum
10A
10A
20A
20A
3. Low Battery Shutdown: 120Vdc (default: 120Vdc)