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7.1 BIANNUAL MAINTENANCE (ESSENTIAL) (CONT’D)
6. Wash the 2 core filters under hot water with mild soap. Rinse thoroughly and let dry completely
before reinstalling on the core. Remove the dust on the core using a vacuum cleaner with a soft
brush attachment.
1) Core filters
2) Core
NOTE: Make sure the damper spring (1) is still inside the left front port opening before reinstalling
the heat or energy recovery core.
1) Damper spring
7. Close the door, close the latches and turn ON the switch knob to its previous position.
8. To reset the filter maintenance LED, simultaneously press both and buttons for 1 second.
7.2 ANNUAL MAINTENANCE (ESSENTIAL)
Perform this maintenance when the Filter Maintenance LED stays ON.
HRV 2600
AND HR 2.6 UNITS ONLY
Do the same operations as the Biannual Maintenance (Section 7.1). Then, clean the exterior hood(s).
HEPA 3100, HF 3.1
AND HEPA 4100 UNITS ONLY
Proceed as the Biannual Maintenance (Section 7.1), but instead of replacing the prefilter (point 4), discard the complete HEPA filter
cartridge (including prefilter). Install a new HEPA filter cartridge (or a new pleated filter cartridge) with a new prefilter on it. To reset the
filter maintenance LED, simultaneously press both and buttons for 5 seconds.
7. MAINTENANCE (CONT’D)
1
1
2
VD0091
VD0120
1