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Delta RT Series User Manual

Delta RT Series
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23
Battery/ Battery Pack Connection Warnings
1. Only use the same type of batteries from the same supplier. Never use old, new and different Ah
batteries at the same time.
2. The number of batteries must meet UPS requirements.
3. Do not connect the batteries in reverse.
4. Use the voltage meter to measure whether the total voltage, after battery pack connection, is
around 12.5Vdc × the total number of batteries.
Alarm
When any external battery pack connected to the UPS has the following problems, the UPS system
will sound an alarm. Please see the table below.
No.
External Battery Pack
Status
Description
1
Battery Mode The alarm beeps once every 2 seconds.
2
Battery Low Warning
The alarm beeps once every 0.5 second.
3
Battery Missing/
Weak Battery/
Battery Replacement
The alarm beeps once every 2 seconds.
4
Overload
1. Overload 105 ~ 125%: The alarm beeps once every 2
seconds.
2. Overload 125 ~ 150%: The alarm beeps once every 0.5
second.
5
Fault
The buzzer sounds continuously for 5 seconds when the
UPS detects an internal fault. After the 5-second long beep,
the alarm beeps once every 2 seconds.
NOTE:
After battery reconnection or replacement, it might take a while for the UPS to switch off the
alarm automatically. If, after a period of time, the audible alarm still exists, please manually
initiate a battery test. Please follow the route below to execute the manual battery test in
order to clear the alarm.
The charge current is shared by the internal and external batteries.
Route:
press the button
for 0.1 second tap the icon select
Test
select
Start Battery Test
. Fore relevant information, please refer to
9.2 Main Menu
.

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Delta RT Series Specifications

General IconGeneral
Transfer Time0 ms
TopologyOnline Double Conversion
Output Voltage220V/230V/240V (selectable)
Input Frequency Range40Hz to 70Hz
Output Frequency50 Hz ± 0.1% or 60 Hz ± 0.1%
WaveformPure Sine Wave
Battery TypeSealed Lead-Acid (SLA)
Communication PortsRS232, USB, Optional SNMP
PhaseSingle Phase
Form FactorRackmount/Tower
Operating Temperature0°C to 40°C
Humidity0% to 95% (non-condensing)
Protection FeaturesOverload, short circuit, over temperature, battery deep discharge
Storage Temperature-15 ~ 50 °C (5 ~ 122 °F)

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