6. MAINTENANCE (CONT’D)

6.1 BIANNUAL MAINTENANCE (ESSENTIAL) (CONTD)

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:If you are using a 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.
* When using a washable foam filter (MERV 8), there is no prefilter.
5. Clean the inside walls of the unit with a clean damp cloth, them wipe with a
dry one.
For HEPA 2000 and HF 2.0 only
Clean the air diffuser with a clean damp cloth, them wipe with a dry one.Once the
air diffuser completely dry, slide it back into the unit.
For HEPA 3000, HF 3.0 and HEPA 4000 only
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
1
2
VD0092 VD0093
11
2
VD0091
- 35 -
NOTE:Make sure the damper spring (1) is still
inside the left front port opening before
reinstalling the recovery module.
1) Damper spring
VD0120
1