Elmo-rietschle L-BV7 Manuel d'utilisateur télécharger pdf (Page 31)

Commissioning

8.3 Operation with operating-liquid feed

See Fig. 9, Pg. 31; and Fig. 10, Pg. 31, as well as Fig. 11, Pg. 32 and Fig. 12, Pg. 32.

Proceed as follows here:

Method A:

1) Set pre-pressure of operating liquid (Fig. 9,

Pg. 31):

 Set a pre-pressure p

in the feed pipe for

the operating liquid (Item A) around

approx. 1 bar [14.5 psi] above the inlet

pressure p

in the inlet pipe (Item B).

2) Start up the unit:

For non-automatic operation (Fig. 11, Pg. 32):

 Open the stop valve (Item 4) manually.

The operating liquid is fed in.

 Switch on the unit.

For automatic operation (Fig. 12, Pg. 32):

 Switch on the unit.

 The solenoid valve (Item 4) opens

and the operating liquid is fed in.

Method B:

1) Start up the unit:

For non-automatic operation (Fig. 11, Pg. 32):

 Open the stop valve (Item 4) manually.

The operating liquid is fed in.

 Switch on the unit.

For automatic operation (Fig. 12, Pg. 32):

 Switch on the unit.

 The solenoid valve (Item 4) opens

and the operating liquid is fed in.

2) Check the operating-liquid flow rate:

 with the flow meter (Fig. 11, Pg. 32, and

Fig. 12, Pg. 32, Item 2)

 by measuring the volume of operating liquid

per unit of time that exits at the discharge

connection with a graduated vessel

(Fig. 10, Pg. 31)

3) Set/correct the operating-liquid flow rate:

 via the control valve (Fig. 11, Pg. 32, and

Fig. 12, Pg. 32, Item 3)

 Nominal operating-liquid flow rate:

For nominal values, see Chapter 4.3,

"Operating conditions", Section "Nominal

operating-liquid flow rate", Pg. 17.

p = p + 1 bar

p = p + 14.5 psi

Fig. 9: Setting the operating-liquid flow rate:

Setting pre-pressure

Fig. 10: Setting the operating-liquid flow rate:

Measuring the volume with a graduated vessel

A Feed pipe for operating liquid

B Inlet pipe

A Feed pipe for operating liquid

B Drain pipe for operating liquid

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Elmo-rietschle L-BV7 Manuel d'utilisateur Page 31

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