Replacing The Proportional Valve - BARTEC BENKE HYGROPHIL H 4230-12 Ex Zone II Operating Instructions Manual

Maintenance
86
6.12

Replacing the proportional valve

First dismount the display-/ profibus-board and the electronics board (fol-

low the instructions according to section 6.10 and 6.11).
Disconnect the two blue hoses from the proportional valve

For this press in hose catch at the nipple and pull out the hose at the

same time.
Unscrew the two allen screws and take the valve out.

 Insert the new proportional valve and fix it with the two screws.
 Connect the two hoses to their nipples.
Reassemble the display-/ profibus board and the electronics board.

Connect the plug of the proportional valve to the electronics board (see

page 84).
Operating Instructions HYGROPHIL® H 4230-12 BA 060207