Isolation Systems Inc
Operation and Maintenance Manual PASS-1600ISO
2 October, 2020
Isolation Systems Inc
15
889 Erie Ave, North Tonwanda NY, 14120
4.1. Access to the Pre-filters, HEPA Filter, and UV lamps
4.1.1 Unlock the filter section by rotating the nine (9) fasteners with a
standard screwdriver one-quarter turn counterclockwise as shown in
paragraph 2.1.4
4.1.2 Open the hinged filter panel.
4.1.3 The internal assembly is held in place by pressure applied
against the pressure plate by two (2) set screws. The pressure plate is
also the bracket that holds the pre-filter.
4.1.4 To release the pressure plate, insert the T-handle wrench into one
of the access holes in the front face of the unit. Maneuver the wrench
until you feel it lock into the set screw. Turn the handle CCW to release
its pressure on the pressure plate. Insert the wrench into the other
access hole, engage the set screw, and turn the screw CCW to release
the pressure on the other end of the pressure plate.
4.1.5 Disconnect the electrical connector to the UV lamp bracket. The
connector is tucked in the upper right corner of the compartment and
shown in paragraph 4.2.1
4.1.6 Remove pre-filter from the front bracket/ pressure plate.
Dispose of pre-filter in accordance with your institution’s or agency’s
regulations and procedures. Insert a new pre-filter, as needed.
4.1.7 Slide the pressure plate from the compartment.
4.1.8 The front UV lamp bracket and the HEPA filter are now loosened
for removal.
4.2 Removal of UV lamps in the front UV lamp bracket
NOTICE. Never touch the UV lamps with your hands or any oily materials. This
will cause the lamp to lose efficiency or possibly break when next used. Always
use a clean cloth to handle a UV lamp.
NOTICE. Never touch a usable filter with your hands or any oily materials.
Always handle by the frame to avoid damage to the media and sealing surfaces.
