Contentsand general safety instructions
IV FestoP.BE−VTIA−EN en 1003a
3.3.6Operating the valvemanifold VTIA withreversible pressure
regulators3−17..............................................
3.3.7 Setting the pressureregulating valve3−17.......................
3.3.8 Vacuum/low pressureoperation3−20...........................
3.3.9 Connecting the pneumatic lines 3−20............................
3.3.10 Connecting the electric cables 3−25.............................
3.4Address assignment of the valves 3−31..................................
4. Comissioning 4−1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.1 General Information 4−4.............................................
4.1.1 Prior tocommissioning 4−4...................................
4.1.2 Pressurebuild−up in the overall supply 4−4......................
4.2 Manual override(MO) 4−6...........................................
4.3 Checking the valves and the valve/actuator combination4−8...............
4.4LEDdisplay of the valves 4−11.........................................
4.5 Troubleshooting 4−13................................................
4.5.1 Impairment of functions4−13..................................
4.5.2 Operating states of the pneumatic system 4−14...................
5. Conversion and maintenance 5−1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.1 General preventiveaction5−4........................................
5.2 Dismantling the valvemanifold5−5....................................
5.3 Replacing valvemanifold components5−6..............................
5.3.1 Replacing valves or cover plates 5−6...........................
5.3.2 Replacing/adding componentsfor vertical stacking 5−7............
5.3.3 Replacing manifold sub−bases or end plates 5−11..................
5.4Conversion of the valvemanifold VTIA 5−15..............................
5.4.1 Conversion toducted pilot exhaust and venting air5−15............
5.4.2 Conversion of the valvemanifoldVTIA totwo or three
pressurezones 5−17.........................................
5.4.3 Adding valvepositions5−18...................................
