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7. MAINTENANCE
WARNING
Risk of electrical shocks. Before performing any maintenance or servicing, always disconnect the unit from its power source.
!
7.1 BIANNUAL MAINTENANCE (ESSENTIAL)
Perform this maintenance when the Filter Maintenance LED is flashing. Follow these steps:
1. Turn switch knob to OFF to unlock the door.
2. Unlatch the door and open it. Clean the inner side of the door with a clean damp cloth, them wipe with a dry one.
3. Slide out the heat recovery core (HRV 2600, HR 2.6, HEPA 3100 and HF 3.1 units only) or the energy recovery core (HEPA 4100
unit only) and the filter cartridge from the unit.
NOTE: To remove the filter cartridge, pull on its tabs (item 3).
1) Heat Recovery Core 2) Energy recovery Core 3) Filter Cartridge Tabs
4. Using your thumbs, push on the prefilter side to disengage it from the filter cartridge. Then, slide it out of the filter cartridge and
discard it. Install the new prefilter by reversing this operation.
1) Filter cartridge
2) Prefilter
NOTE: HRV 2600 and HR 2.6 units do not have prefilter. To clean the washable foam filter (MERV 8), vacuum to remove most of
the dust. Let it soak in a solution of warm water and mild soap. Rinse thoroughly and let dry before reinstalling it.
5. Clean the inside walls of the unit with a clean damp cloth, them wipe with a dry one.
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VD0091
VD0112
3
2
VD0155
1
2
VD0092
VD0093