Alpha Technologies APX Series Manual del operador descargar pdf (Pagina 41)

3. OPERATION

The modular APC and APL Series non-standby power supplies are designed for

easy component removal and replacement. The entire main transformer assembly

(MTA) can be replaced or upgraded in a matter of minutes.

CAUTION: USE HEAVY GLOVES WHEN HANDLING A POWER MODULE

THAT HAS JUST BEEN TAKEN OUT OF SERVICE. THE FERRORESONANT

TRANSFORMER GENERATES HEAT AND MAY CAUSE BURNS IF HANDLED

WITH BARE HANDS.

Procedure:

1. Switch the external service disconnect circuit breaker to OFF.

2. Unplug the APC’s power cord, or disconnect the input wires from the APL’s

terminal block.

3. Disconnect the APC’s (APL’s) output connector.

4. Loosen the captive screw located on the bottom of the APC’s (APL’s)

enclosure that secures the MTA to the baseplate assembly.

5. Lift the MTA off of the baseplate.

6. If reinstalling a transformer assembly or upgrading, reverse the above

procedure.

3.2 Shutdown and MTA Removal

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Alpha Technologies APX Series Manual del operador Pagina 41