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
Caution Label: Use of Charcoal Element
Part No. 56DE197A
•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-
Danger Label: Use of Catalyst Vessel
Part No. 56DE196A
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
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) |
