Elmo-rietschle L-BV7 Manuel d'utilisateur télécharger pdf (Page 28)

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Commissioning

8 Commissioning



WARNING

Danger due to gauge pressure

and vacuum!

Danger due to escaping fluid!

Danger due to rotating parts!

The pump-motor unit may only

be put into operation when the

following conditions are met:

 Fan guard and vacuum

pump/compressor housing

are mounted.

 The lines to the discharge

connection, inlet connection

and operating-liquid port are

attached.

 The lines and connections

have been tested for strength

and leaks.

CAUTION

If the unit is run dry, the

mechanical seal will be

destroyed in a matter of seconds!

DO NOT switch on as long as the

unit is not filled with operating

liquid!

8.1 Preparation and start-up

CAUTION

If the pumped gases/vapors

discharged on the pressure side

are passed on,

then it must be ensured that the

maximum discharge pressure of

1.1 bar abs. [16.0 psia] is not

exceeded!

NOTICE

Maximum permissible quantity of

water entrained via the inlet

connection:

See Fig. 13, Pg. 32.

If a shut-off device is installed in the discharge

pipe:

Make sure that the unit CANNOT be operated

with the shut-off device closed.

Fill with operating liquid:

When and how the pump-motor unit must be

filled with operating liquid the first time is

dependent on the operating mode:

 For self-priming operation:

During installation.

 For operation with operating-liquid feed:

After completing installation.

For operation with operating-liquid feed,

you now fill the working area of the unit with

operating liquid.

To do this, open the respective stop valve for

approx. 20 sec.:

 For non-automatic operation:

Stop valve (Fig. 11, Pg. 32, Item 4).

 For automatic operation:

Stop valve in the bypass pipe (Fig. 12,

Pg. 32, Item 4a).

Then proceed with commissioning as

described in the following.

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Elmo-rietschle L-BV7 Manuel d'utilisateur Page 28

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