INSTALLATION, START-UP & MAINTENANCE MANUAL
MODEL NO.: SD-220 TO SD-600- DDS OPTION
REV 0 – May 24,,.2001
12
SECTION 3 START UP AND OPERATION
3.1 START UP/ SHUT DOWN
CAUTION!
All pipes and wire connections are to be tightened!
Furthermore, before start-up:
•
The pipes must be checked for the presence of scale, abraded
material from the threading, or other similar impurities.
•
All shut off valves on the pre-filter, adsorption dryer, after-filter and
on the bypass line should be closed.
•
The ambient temperature must not be less than 33°F
Breakdowns resulting from faulty installation do not fall under
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* Advices
The following sequence is to be heeded for the initial start-up:
•
Slowly open the inlet valve and observe the pressure build-up
on the chamber pressure gauge of the adsorption dryer. A too
abrupt pressure build-up is to be avoided.
•
Turn the switch to the "POWER ON" position.
•
The adsorption dryer must be powered approx. 3-4 h with the shut
off valve behind the after-filter closed; this regenerates the
desiccant.
•
After the regeneration phase, open the shut off valve behind the
after-filter slowly while observing the chamber pressure gauge; if
the shut off valve is opened too abruptly, it could put a stress on
the system.
•
The adsorption dryer is now ready for operation and functions
continuously and fully automatically.
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