CBC EA 900RT 3KVAH Manuale d'uso - Pagina 4

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1. Connection and Operation

TRUE ON LINE UPS

For 6K / 10K models, the maintain switch, bypass switch and input switch are

still electrically live and dangerous even after the input switch and bypass

switch are disconnected on carrying out servicing and/or maintenance.

Only persons that are adequately familiar with batteries and wi th the required

precautionary measures may replace batteries and supervise operations. Unauthorised

persons must be kept well away from the batteries.

Caution - risk of electric shock. The battery circuit is not isolated from the input

voltage. Hazardous voltages may occur between the battery terminals and the ground.

Before touching, please verify that no voltage is present!

Batteries may cause electric shock and have a high short-circuit current. Please

take the precautionary measures specified below and any other measures necessary

when working with batteries:

--remove wristwatches, rings and other metal objects

--use only tools with insulated grips and handles.

When changing batteries, install the same number and same type of batteries.

Do not attempt to dispose of batteries by burning them. This could cause battery

explosion.

Do not open or destroy batteries. Escaping electrolyte can cause injury to the skin

and eyes. It may be toxic.

Please replace the fuse only by a fuse of the same type and of the same amperage

in order to avoid fire hazards.

Do not dismantle the UPS system.

3. Description of commonly used notations

Some or all of the following Notations may be used in this manual and may appear

in your application process. Therefore, all users should be familiar with them and

understand their explanations.

Notation and Explanation

Notation

Explanation

Alert you to pay special attention

Caution of high voltage

Turn on the UPS

OFF

Turn off the UPS

Idle or shut down the UPS

Alternating current source(AC)

Direct current source(DC)

Protective ground

Alarm silence

Overload indication

Battery check

Recycle

Display cycle button

Battery

TRUE ON LINE UPS