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3.1 SEMI-ANNUAL MAINTENANCE (ESSENTIAL) (CONT’D)
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
5. Clean the inside walls of the unit with a clean damp cloth, then wipe with a
dry one. Install the new filter cartridge.
6.1 For HEPA Filtration and Fresh Air Ventilation model GSVH1K only
Clean the air diffuser with a clean damp cloth, then wipe with a dry one. Once the
air diffuser completely dry, slide it back into the unit.
6.2 For HEPA Filtration, Fresh Air and Heat Recovery model GSHH3K only
Slide out the two core filters (item 1) from the heat
recovery core and wash them under hot water with
mild soap.
Remove the dust on the heat recovery core (item 2)
using a vacuum cleaner with a soft brush attachment.
Rinse the core filters thoroughly and let dry before
reinstalling them on the heat recovery core.
Reinstall the heat recovery core in the unit.
1) Core filters
2) Heat Recovery Core
NOTE: Make sure the damper spring (1) is still
inside the left front port opening before
reinstalling the heat recovery core.
1) Damper spring
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3. MAINTENANCE (CONT’D)
1
2
VD0092
VD0093
1
1
2
VD0091
VD0120
1