NuAire LabGard NU-813-300, Operation & Maintenance Manual

Page: 26 / 52

OM0236 Page 26 of 52
February/2019
7.2 Fluorescent Lamp Bulb Replacement
The one (T8) fluorescent lamp bulb is cool white, rapid start and placed external to the cabinet to aid maintenance and
minimize heat build-up. The life rating of the bulb is 9000 hours based on three-hour burning cycles.
Disconnect electrical power from the CVE before attempting any
maintenance action.
To replace a bulb, it is necessary to access the control panel.
1. Remove fasteners on top or sides of control panel and rotate control center down.
2. The lamp bulb is removed by displacing the bulb to one side against the compressible bulb holder.
3. Reverse the procedure to reinstall the lamp assembly.
7.3 HEPA Filter Replacement (Drawing BCD-15639)
The HEPA Filter under normal usage and barring an accident does not need replacement until the work access inflow
velocity cannot be maintained.
Disconnect electrical power from the CVE before attempting any
maintenance action.
To access the exhaust HEPA filter:
1. Remove fasteners on top and sides of control panel and rotate control center down.
2. Remove exhaust filter cover and follow bag-in/bag-out procedure per drawing BCD-15639 for removal and
replacement.
3. Reverse above steps to complete the replacement process.
4: Filter Installation
When installing new filters, USE ONLY NUAIRE SPECFIED FILTERS FOR REPLACEMENT.
Description: Exhaust HEPA Filter (Single) Exhaust HEPA Filter (Dual)
Efficiency: 99.995% @ 0.3 Micron 99.995% @ 0.3 Micron
Airflow Rating:
100 fpm @ .29 ± .05" w.g. per sq. ft. 100 fpm @ .48 ± .05" w.g. per sq. ft.
Frame Type: Metal Metal
NU-813-300/E
NuAire Part Number: A-980939-15 A-980939-20 (2)
Filter Size: 14" (356mm) x 29" (737mm) x 5-7/8" (149mm) 14" (356mm) x 29" (737mm) x 3" (76mm)
NU-813-400/E
NuAire Part Number: A-980939-16 A-980939-21 (2)
Filter Size: 14" (356mm) x 41" (1041mm) x 5-7/8" (149mm) 14" (356mm) x 41" (1041mm) x 3" (76mm)
NU-813-600/E
NuAire Part Number: A-980939-15 (2) A-980939-20 (4)
Filter Size: 14" (356mm) x 29" (737mm) x 5-7/8" (149mm) 14" (356mm) x 29" (737mm) x 3" (76mm)
CAUTION
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CAUTION
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