Wika A2G-30 Manual do Utilizador descarregar pdf (Página 9)

WIKA operating instructions air2guide model A2G-30

40202763.02 07/2012 GB/D/F/E/I

6. Commissioning, operation

Installation

■

The inclined tube manometer must be screw-tted on a suitable

vertical surface

■

The instrument has to be mounted horizontally using the attached

self-tapping screws.

Filling

Turn the zero button back up until the stop. Then turn approximately one

rotation in a clockwise direction, so that the adjustment can be made in

both directions. Unscrew the ll button and ll the measuring instrument

liquid until the liquid is visible near the zero point on the measuring

scale. Make an accurate adjustment with the zero button and then

re-seal the lling hole.

Connection to the air lter

Make the hose connection between the ⊖ connection of the measuring

instrument with the downstream side of the lter and the ⊕ connection

of the measuring instrument with the upstream side of the lter. Stick

the green and red labels next to each other on the scale, in order

to mark the initial (green) and nal pressure (red). Please note the

recommendations of the plant manufacturer regarding the maximum

allowable pressure drop values .

Information

The inclined tube manometer is specially designed

to prevent leakage of the indicator uid in the case of

overpressure.

6. Commissioning, operation

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Wika A2G-30 Manual do Utilizador Página 9