Initial certification, Re-certification, Fluorescent light replacement – Labconco Class I Enclosure Models 3980423 User Manual
Page 50: Uv light replacement

Chapter 6: Maintaining Your Filtered Enclosure
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Initial Certification
The filtered enclosure has been certified at the factory for an inflow velocity of
90±10 fpm along with the HEPA Filter Leak Test. The filtered enclosure should
be certified for the proper inflow velocity. A HEPA filter leak test should be
performed once installed to verify there has not been any damage incurred during
transportation.
Re-Certification
Under normal operating conditions, the enclosure should be recertified at least
annually if serviced. The certifier should perform the following tests.
Inflow Velocity Test
HEPA Filter Leak Test
In addition, the following tests should also be performed at the user’s discretion:
Measure of Line Voltage and Current
Smoke Test to determine proper airflow patterns
Lighting Intensity Test (when appropriate)
Noise Level Test (when appropriate)
Vibration Test (when appropriate)
Fluorescent Light Replacement
1. Disconnect the power.
2. Locate the small light reflector located under the control panel shown in
Figure 6-2.
3. Remove the light reflector support by removing two Phillips screws on the
bottom of the light reflector.
4. Rotate and remove the old fluorescent lamp.
5. Reinstall the new fluorescent lamp and light reflector in reverse order.
6. Power the unit up and try the new fluorescent lamp.
UV Light Replacement
1. Disconnect the power.
2. Locate the UV lamp located inside the enclosure.
3. Surface decontaminate the old UV light before handling it.
4. Rotate and remove the old UV lamp.
5. Reinstall the new UV lamp.
6. Power the unit up and try the new UV lamp (the UV closure panel must be
installed).
- Class I Enclosure Models 3980421 Class I Enclosure Models 3980403 Class I Enclosure Models 3980401 Class I Enclosure Models 3980323 Class I Enclosure Models 3980321 Class I Enclosure Models 3980303 Class I Enclosure Models 3980301 Class I Enclosure Models 3980223 Class I Enclosure Models 3980221 Class I Enclosure Models 3980203 Class I Enclosure Models 3980201 HEPA Filtered Enclosure Models 3980422 HEPA Filtered Enclosure Models 3980420 HEPA Filtered Enclosure Models 3980402 HEPA Filtered Enclosure Models 3980400 HEPA Filtered Enclosure Models 3980322 HEPA Filtered Enclosure Models 3980320 HEPA Filtered Enclosure Models 3980302 HEPA Filtered Enclosure Models 3980300 HEPA Filtered Enclosure Models 3980222 HEPA Filtered Enclosure Models 3980220 HEPA Filtered Enclosure Models 3980202 HEPA Filtered Enclosure Models 3980200