Pelco C2479M-A Washer Accessories User Manual


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4. Charge the enclosure or dome with nitrogen:
EH8100 Series Enclosure – Allow nitrogen to flow through the enclosure until the humidity indicator registers the lowest humidity level, changing
color from pink to blue. (The humidity indicator can be viewed through the front window of the enclosure looking at the inside top of the enclosure.)
Once the humidity indicator registers the lowest level, remove the screwdriver from the relief valve and allow nitrogen to continue to flow into the
enclosure until you no longer hear the flow of nitrogen from the tank to the enclosure.
Pressurized Spectra Series Dome – Allow nitrogen to flow through the dome for five minutes to purge the air from inside the dome. The relief
valve will open at 7 pounds of pressure.
5. Remove the air chuck from the Schraeder valve, replace the valve cap, and close the tank valve.
6. Pressurized Spectra Series Dome Only – To ensure a tight seal on the relief valve, burp the dome by manually opening the valve momentarily to
let a little nitrogen out. Then press the end of the relief valve to ensure that the valve is completely seated and sealed.
REVISION HISTORY
Manual # Date Comments
C2479M 12/03 Original version.
C2479M-A 11/04 Revised regulator output pressure setting to 12 psi (83 kPa).
Worldwide Headquarters • 3500 Pelco Way • Clovis, California 93612 USA • www.pelco.com
USA & Canada • Tel: 800/289-9100 • Fax: 800/289-9150
International • Tel: 1-559/292-1981 • Fax: 1-559/348-1120
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