Nortec ME Control - Manual (Page 54)

54 Maintenance
6.4 Dismantling and installation of components for maintenance
6.4.1 Dismantling and installation of the evaporative module
1. Take the Nortec ME Control out of operation as described in chapter 4.6 – Decommissioning the
system and allow to drain and dry.
2. Switch the AHU off, and isolate the power and water supply to the AHU.
3. Disconnect distribution hoses from the connectors on the distribution heads, the wall feed-throughs
(if applicable) and the hydraulic module.
4. Remove droplet separator boxes (column by column):
• Remove upper separator brackets.
• Remove bank of separator boxes.
• Remove lower separator brackets.
5. Remove evaporative cassettes (column by column):
• Push box upwards and remove.
6. Remove distribution headers assemblies from topmost evaporative cassettes:
• Remove plastic rivets fixing the distribution header assembly to the evaporative cassette.
• Carefully lift off the distribution header assembly.
7. Remove optional UV lamp (if applicable).
8. Remove the cross bar (remember position).
Clean dismantled components, water tank, frame structure, blanking plates and air duct as described
in chapter 6.3 – Maintenance guide. If all components have been cleaned and dried, assemble the
evaporative module in the reverse dismantling order. Replace any defective components with new ones.