9
Tubing
Use tubes with a minimum inner diameter of
Ø 6 mm (1/4”).
Air supply requirements
Poor quality in air supply is the main
cause of problems in pneumatic systems.
The air supply must be free from moisture,
water, oil and particles and delivered @ 2-7
bar (30-105 psi)
Standard: DIN/ISO 8573-1-2001 3.2.3
Filtered to 5 Micron, dew point -40°C/F
Oil 1mg/m³ (0,83 ppm by weight)
The air must come from a refrigeration dried
supply or be treated in such a way that its dew
point is at least 10°C (18°F) below the lowest
expected ambient temperature.
To ensure a stable and problem-free air
supply, we recommend the installation of a
filter/pressure regulator <5µ as close to the
positioner as possible.
Before the air supply is connected to the
positioner, we recommend the hose is opened
freely for 2 to 3 minutes to allow any conta-
mination to be blown out. Direct the air jet
into a large paper bag to trap any water, oil, or
other foreign materials. If this indicates that
the air system is contaminated, it should be
properly cleaned.
WARNING! Do not direct the
open air jet towards people or
objects because it may cause
personal injury or damage.
6. Installation
Removal of cover
General purpose / Intrinsically safe
Remove cover by first loosening the screw 1
and then the two screws 2.
To install cover, first tighten the screw 1, then
the two screws 2.
Tighten to 1,5 — 2 Nm.
2
1
Explosion proof
To remove covers, first unscrew securing
screws, then unscrew covers.
To install, screw covers on as far as possible.
Mount the securing screws. Back off slightly
on the large cover to be able to screw down
the securing screw completely.
Securing
screws
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