Envirco Isoclean UV - Manual (Page 20)

H
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I
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I
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UV
Operation Manual
Page 16
4.15.1.8. The temperature should be 21.1° C (70° F) or higher with a humidity
level between 60% to 85%. Use the hot plate to heat the beaker of
water until the desired temperature and humidity are achieved.
Disconnect the hot plate.
4.15.1.9. Seal the film over the remaining opening of the intake grille space.
Carefully seal around the power cord extending from the electric
frying pan so that formaldehyde gas will not leak out.
4.15.1.10. Plug the cord of the electric frying pan into an outlet.
4.15.1.11. After the Paraformaldehyde has depolymerized, disconnect the
frying pan from the electrical outlet.
4.15.1.12. Allow the unit to stand for a minimum of two hours or overnight.
4.15.1.13. Attach the flexible hose to the unit and allow it to draw from inside
the unit.
4.15.1.14. After 15 minutes of visible exhaust activity, small openings may be
made in the film over the unit's air supply grille to improve
ventilation.
4.15.1.15. Allow the unit to ventilate overnight.
4.15.1.16. Remove the unit from exhaust ventilation when the formaldehyde
gas has been exhausted.
CAUTION: During unit decontamination, respiratory protection for
service personnel is highly recommended. Only National
Institute for Occupational Safety and Health (NIOSH)
approved respirators should be used.
4.15.1.17. Remove the HEPA filter as described in Section 4.5. The filter can
now be disposed of as general waste.
4.15.2. Phenolic Decontamination
ln facilities where Paraformaldehyde gas decontamination is prohibited or not
feasible, the unit can be disinfected by the following procedure.
4.15.2.1. Remove the prefilter as described in Section 4.3.
4.15.2.2. After the intake grille and prefilter are removed, turn the unit on, and
with the unit running, spray a mist of phenolic disinfectant such as
Amphyl or Lysol into the air intake opening. Approximate
l y two (2)
to five (5) ounces is adequate.
4.15.2.3. Remove the HEPA filter as described in the Section 4.5. Since the
filter has not been decontaminated by the formaldehyde procedure,
it must be placed in a red medical waste bag and disposed of
properly.