Rev. December 19, 2008 Page 14 of 19
7.6. Grills & Duct Work
Clean the grills when they are dusty or greasy with soap and water. Check for punctures in the
insulation jacket on the fresh air and exhaust air ducts. Repair any punctures using foil tape.
8. ANNUAL SERVICING
Your HRV should undergo annual general servicing by an accredited contractor. This servicing should
include the following:
a) The six maintenance items above.
b) A general check for proper operation. Controls and electrical connections should be inspected.
c) Verification that intake and exhaust air flows are properly balanced.
d) Re-balancing as necessary.
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