Filter
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manual) for drain valve maintenance instruc
-
tions.
Before restarting the purifier, open the manual drain
on the particulate filter. If no liquid discharges, close
drain.
WARNING
If any liquid discharges from the particulate
filter, immediately stop using the purifier out
-
let air for breathing. Replace all elements and
the catalyst vessel. Contact Deltech before
restarting the purifier.
Weekly
•
Open the manual drain on the particulate filter.
If any liquid discharges, immediately stop using
the purifier outlet air for breathing. Check the
coalescing filter drain valve as described under
“Daily” maintenance, above. Replace all filter
elements and the catalyst vessel.
Monthly
•
Remove screen from front of condenser and
clean condenser coils of accumulated dust and
dirt with a soft brush.
Every four months
•
Replace activated carbon filter. See Mainte
-
nance Procedures for instructions.
Yearly
•
Replace catalyst vessel.
To replace the catalyst vessel, follow the procedure for
replacing the activated carbon filter (above). The con
-
nection sizes on the catalyst vessel are different from
those on the activated carbon filter to prevent inter-
changing these components.
MAINTENANCE PROCEDURES
Carbon or Catalyst Vessel Replacement
Follow this procedure to replace the activated carbon
filter or the catalyst vessel (the word “vessel”will be
used to indicate both):
1. Shut down the purifier according to the Shutdown
procedure.
2. Remove the top cabinet panel to expose the vessel,
and remove side panels as necessary to reach the
securing clamp and pipe connections.
3. Models 8DM100 and 8DM150—set up the boom
assembly (see “Boom Assembly” section) and at
-
tach the hoist to the top of the vessel.
4. Disconnect the unions on the top and bottom of
the vessel.
5. Open the hinged clamps securing the vessel to its
support bracket.
12 Pyramid 8000
®
Series Purifiers (Bulletin 289)
Caution Label: Use of Charcoal Element
Part No. 56DE197A
Danger Label: Use of Catalyst Vessel
Part No. 56DE196A