Delta RT Series User Manual page 6

When an emergency occurs, (1) press and hold the ON/OFF button (

release it after you hear one beep, (3) use the Scrolling UP or Down button (
'Yes', and (4) press the Enter button (
that, cut off the input power to shut down the UPS completely.
 Do not use any cleaning liquid or cleaning spray to clean the UPS. Before cleaning, please make
sure that the UPS has been shut down completely, the UPS's input power cord has been
unplugged, and the batteries have been disconnected.
 All maintenance services must be performed by qualified service personnel.
 Forbid opening or removing the cover of the UPS yourself to avoid high voltage electric shock.
 You must contact qualified service personnel if either of the following events occurs:
1. Liquid is poured or splashed on the UPS.
2. The UPS does not run normally after this User Manual is carefully observed.
NOTE:
If you use the UPS in an area that generates or incurs dust, you should install two dust
filters (optional) in the 1/ 2/ 3kVA UPS to ensure normal product life and function.
Battery Warnings
 Keep the batteries away from heat sources. Do not open or mutilate the batteries.
 Do not dispose of batteries in a fire. The batteries may explode.
 The released electrolyte is harmful to the skin and eyes and may be toxic.
 A battery can present a risk of electric shock and high short-circuit current.
 Servicing of batteries and battery packs must be performed or supervised by qualified service
personnel knowledgeable in the batteries, battery packs and required precautions.
 The risk of electric shock and short-circuit current is possible when the batteries are connected
to the UPS. Before maintenance, disconnect all batteries to cut off the battery power.
 For battery replacement, only use the same number and type of batteries.

Observe the following before replacing the batteries:
1. Remove watches, rings, or other metal objects.
2. Use tools with insulated handles.
3. Wear rubber gloves and boots.
4. Do not lay tools or metal parts on the top of batteries.
5. Disconnect the charging source prior to connecting or disconnecting battery terminals.
6. Remove every battery grounding during installation and maintenance to reduce the
likelihood of electric shock. If any part of the batteries is grounded, please remove the
grounding connection.
 Do not connect the batteries in reverse; otherwise, a risk of electric shock or fire accidents might
occur.
Amplon RT Series
) to confirm your selection to turn off the UPS. After
6
) for 3 seconds, (2)
/ ) to select