WM-ERV Manual 2005.2.doc2
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4.3
Fans
Fan shaft and motor bearings are of permanently lubricated, sealed type and require no
regular maintenance other than a check on their general condition.
4.4
Maintenance Schedule
4.4.1 General
•
Air-change systems are designed for easy maintenance, with highest quality
materials and components used throughout.
•
Preventative maintenance programs will vary according to actual working
conditions and location and hours of usage by the client.
•
Air-change will be pleased to provide expert advice on special service
requirements for particular installations.
IMPORTANT: Failure to carry out regular maintenance may render
warranty claims invalid if faults have been caused by lack of proper
maintenance. Air-change may request to see the maintenance schedule
carried out.
4.4.2 Monthly Maintenance Schedules.
•
Filters should be inspected frequently immediately after installation to confirm
the frequency of cleaning needed for the particular location. Regular
change/clean of filters is necessary to ensure normal operating conditions.
•
Vacuum or wash filters, and dry thoroughly before replacing.
The following is a guide until frequency according to usage is established.
4.4.3 Three-Monthly Checks
•
Repeat the Monthly Schedule
•
Clean Heat Exchanger (see section 4.1)
•
Check fan blower wheels for dirt build-up and tightness on shaft
•
Check all cabinet panels for correct fitting, alignment and seals, and clean
cabinet as required. Ensure no insulation has been detached from panels.
•
All electrical terminals should be checked for tension on each maintenance
visit
with main switch off
.
4.4.4 Annual Maintenance
•
Repeat monthly and three-monthly checks