Delta RT Series User Manual

7
 The batteries might lose their power during shipment or storage. Before you use the UPS for the
first time, please fully charge the batteries until the battery percentage shown on the UPS’s LCD
is 100% ( ). If the UPS needs to be stored for an extended period of time, please recharge
the batteries every three months and ensure that, every time after recharging, the battery
percentage shown on the UPS’s LCD is 100% ( ).
WARNING:
1. The risk of electric shock and short-circuit current is possible when the batteries
are still connected to the UPS even though the UPS is disconnected from the
mains. Make sure to cut off the battery source before maintenance.
2. When the UPS is connected to an external battery pack, installation of
appropriate protective devices, such as DC fuses or a DC breaker, is required.
3. No matter whether you use the external battery pack(s) or not, always keep the
internal batteries connected.
1.2 Standard Compliance
 1kVA: VCCI class B
 2/ 3kVA: VCCI class A
1.3 Storage

Prior to installation
If the UPS needs to be stored prior to installation, it should be placed in a dry and well-ventilated
area. The allowable storage temperature is between -15°C (5°F) and +50°C (122°F).
•
After usage
(1) Press and hold the
ON/OFF
button ( ) for 3 seconds, (2) release it after you hear one beep,
(3) use the
Scrolling UP
or
Down
button ( / ) to select ‘
Yes
’, and (4) press the
Enter
button ( ) to confirm your selection to turn off the UPS. After that, make sure the UPS is shut
down, disconnect the UPS from the utility AC power, remove all loads/ equipment from the UPS,
and store the UPS in a dry and well-ventilated area at a temperature between -15°C (5°F ) and
+50°C (122°F).
Idle batteries must be recharged fully approximately every three months if the UPS needs to be
stored for an extended period of time. Ensure that, every time after charging, the battery
percentage shown on the UPS’s LCD is 100%
( )
.
NOTE:
After storage and before start-up of the UPS, you must allow the UPS to adjust to room
temperature (20°C~25°C or 68°F~77°F) for at least one hour to avoid moisture condensing
inside the UPS.

Delta RT Series Specifications

General

Brand	Delta
Model	RT Series
Category	UPS
Language	English