Preparing for Operation
37
SIP ART PS2 Manual
A5E00074631-01
Figure 3-5 Favorable and unfavorable installation positions
If conditions oblige you to operate the positioner in a unfavorable
installation position, you can take additional precautionary measures to
prevent penetration by water.
.
NOTE
Never clean the positioner with a high pressure water jet because the
IP65 degree of protection is inadequate protection for this.
The necessary additional measures to prevent penetration by water
depend on the installation position chosen and you may additionally
require:
- screw--type gland with sealing ring (e.g. FESTO: CK –1 / 4–PK–6)
- plastic hose approx. 20 to 30 cm (e.g. FESTO PUN-- 8X1,25 SW)
- cable straps (number and length depends on local conditions)
Procedure
- Connect the pipes in such a way that rain water which runs along
the pipes can drip off before it reaches the terminal strip of the
positioner.
- Check the electrical connections for perfect firm contact.
- Check the seal in the housing cover for damage and contamination.
Clean and replace if necessary.
- Mount the positioner if possible so that the sinter bronze silencer
faces downwards on the underside of the housing (vertical installa-
tion position). If this is not possible, the silencer should be replaced
by a suitable screw--type gland with a plastic hose.
Assembly of the screw--type gland with plastic hose
- Unscrew the sinter bronze silencer from the exhaust air opening on
the underside of the housing.
- Screw the screw--type gland mentioned above into the exhaust air
opening.
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