26
GT ULTRA ZERO AIR GENERATOR
USER MANUAL
www.vicidbs.com
Version 1.03.0000
8.2.4. NO
x
Column Replacement
• If unit has been powered recently and catalyst is hot, turn off the power. DO NOT turn off the air at this
time.
•
Remove the outlet connection and allow the outlet air to flow freely for 2 hours to cool the catalyst. After
2 hours of cool-down, disconnect the air supply. Depressurize the system by depressing the pin at the
bottom of the inlet filter housing.
• Open front panel with door key; NO
x
column is on the top (1).
• Disconnect the copper tube from the outlet of the NO
x
column (2).
• Disconnect the plastic tube from the push-in connector of the inlet of the NO
x
column.
• Remove screws (3) and extract the NO
x
column and replace it with a new one.
• Connect inlet and outlet.
• Pressurize the system and check thoroughly for leaks.
2
1
3
