USER MANUAL
Models SD-820 to SD-1710 with DDS
Rev 04 – October 2005
7
2. INSTALLATION
2.1 GENERAL
Ensure that the installation site is free of dust, dirt and litter. The site floor must be level
and strong enough to support the equipment.
The site itself must ensure that the
equipment will not, under any circumstances, experience ambient temperatures below
freezing.
Ensure that the Sullair dryer is carried only by its skid base frame. It must be positioned
so that the side from which it is to be operated is easily accessible. The piping is to be
connected at a slightly downward slope toward the prefilter. Install isolation valves on
the inlet and outlet sides of the dryer. Also, a bypass pipe with an additional valve
should be mounted around the dryer to allow for an uninterrupted supply of compressed
air when it requires maintenance or repair. The bypass assembly is optionally provided
(see paragraph 1.2) or can be customer furnished. If vibration occurs at the installation
site, the adsorption dryer skid frame must be placed onto vibration dampers.
2.2 ELECTRICAL CONNECTION
Since the adsorption dryer has already been completely wired at the factory, the
customer only has to connect the power supply cable to the terminal strip according to
the supplied wiring diagrams (see section 7).
Warning – high voltage!
Be sure that power is removed from the line feed before making
connection between the site drop and the equipment.
This Sullair adsorption dryer is normally controlled with a printed circuit board. The set
times are adjusted at the factory during the test run.
Do not change these
adjustments!
NOTE: Contact Sullair if you have any questions.
2.3 FILTERS
If not already factory installed, you must install a 0.01-micron coalescing (SCH) prefiliter
with an automatic condensate drain upstream of the desiccant dryer and 1 micron
particulate (SCR) afterfilter with manual vent valve downstream of the desiccant dryer.
Refer to the filter manual for proper installation.
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