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F) Known Misuse
(Please ensure that the following do not occur in your installation)
Inlet Filters
*
Installation of filters remote from dryer allowing further condensation to occur between filters and the dryer.
*
Blow down valve upstream of filters causing back flow/possible collapse of filter element.
*
Installing AO/AA filters in wrong flow direction.
*
Opening inlet valve too quickly, causing initial high Differential Pressure across filter element.
*
Differential Pressure gauge fitted wrong way round giving false Differential Pressure indication.
*
Combining drain pipes from a water Separator and AO/AA.
Inlet Manifold
*
Pipe diameter too small, causing preferential flow on multi-bank installations.
*
No automatic drains fitted to pipework.
*
Unsupported pipework causing strain on gasket joints.
*
Not enough clearance for removing filter bowls.
*
Pipework from manifold to dryer taken from the bottom of the manifold instead of the top or centre allowing bulk
water to drain into dryer inlet.
Lower Manifold
*
Pipe kinks to control valves causing poor/non-response - use of too short pipes.
*
Insufficient room to remove inlet valve assembly.
*
Insufficient room to remove exhaust valve assembly.
INLET
MANIFOLD
TO DRYER
INLET
MANIFOLD
TO DRYER
either way is ok
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