ZANDER HDK 50/100, Operating Instructions Manual

Page: 37 / 72

Start-up
HDK350_EN_01_2005-05-10 37
„ Only operate the dryer within the permissible limits. By operating the dryer in
conditions for which it has not been designed, functional faults may be
caused.
„ Check the dryer regularly for externally visible damage and defects. Any
changes, even in its operating behaviour, must be reported immediately to
the competent office or person.
„ In the event of an emergency or if a safety-relevant disruption occurs (e.g.
escaping compressed air, defective component), the dryer must be shut
down immediately as described in the section
Depressurising and shutting
down the dryer on page 43) . The unit may only be restarted after all defects
have been eliminated.
Open compressed air supply and switch on dryer
For start-up, please proceed in the sequence shown here.
► Ensure that the compressed air inlet and outlet valves installed by the owner
are closed (see installation example on page 29).
► Ensure that the compressed air system upstream of the dryer is pressurised.
If necessary, pressurise (switch on compressor).
Slowly open compressed air inlet valve!
Avoid sudden pressure build-up in any circumstance! If pressure builds up
too fast, this may cause damage to the dryer. Therefore, the compressed
air inlet valve must always be opened quite slowly!
► Slowly open the compressed air inlet valve, installed by the owner, upstream
of the dryer.
► Switch on dryer: to this end, set the ON/OFF
switch to I .
ON/OFF switch
If the dryer is taken into operation for the first time, or after a change of drying
agent, the following intermediate step is meaningful. In the case of a restart
situation, the following intermediate step can be skipped.
Operating the dryer for the first time (or after a change of drying agent) separately
Depending on the transportation and storage conditions, the drying agent in the
vessels can already be loaded with humidity from the environment. At each first
start-up it makes sense therefore to operate the dryer from some time separately
from the compressed air system. This causes the drying agent in each vessel to
be regenerated repeatedly and thus to be prepared optimally for the take-up of
humidity.