INSTALLATION, START-UP & MAINTENANCE MANUAL
SD-220 TO SD-600
REV 04 – 10 Oct 2003
Page 11 of 32
SECTION 3: START UP AND OPERATION
3.1. START UP/ SHUT DOWN
CAUTION!
All pipes and wire connections must 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 Sullair’s warranty obligation.
☛ Note
The following sequence is to be heeded for the initial start-up:
• Slowly open the inlet valve and gradually increase the pressure on the
chamber pressure gauge of the adsorption dryer. Do not open the valve
abruptly as the sudden pressure change may damage the dryer.
• Turn the switch to the "POWER ON" position.
• The adsorption dryer must be operated for approximately 3 to 4 hours
with the outlet valve closed. This is necessary in order to fully
regenerate the desiccant which will likely have been saturated during
transportation and installation.
• After the regeneration phase, open the shut off valve behind the after-
filter slowly while observing the chamber pressure gauge. Do not open
the valve abruptly as a sudden pressure change may damage the
dryer.
• The adsorption dryer is now ready for operation and will function
continuously and fully automatically.
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