4. M
AINTENANCE
4.1 R
EGULAR
1
. Unplug the unit.
2. Lift both top and bottom door latches, then open the unit
door.
NOTE: If space in front of unit is limited, lift up the door to
disengage it from its hinges and set it aside.
3. Slide out both filters from the top of the recovery core.
4. Wash both core filters under lukewarm water with mild soap. Rinse thoroughly and let
dry completely before reinstalling on the core.
5. Slide the cleaned filters into the unit.
6. Close the door and plug back the unit.
NOTE: The unit will return to its previous setting after a 30-second delay for booting
sequence.
7. Reset the Maintenance Indicator by pressing simultaneously on both
MODE and TURBO keys for 3 seconds on VT9W main wall control; this
will erase the maintenance icon from the screen.
4.2 A
NNUAL
Perform steps 1 and 2 of the Regular Maintenance (Section 4.1), then continue with the
following steps:
3. Slide out both filters (3) and recovery
core (4) from the unit.
4. Clean the inside walls of the unit with a
damp cloth, then wipe with a clean dry
one.
5. Wash both core filters under lukewarm
water with mild soap. Rinse thoroughly
and let dry completely.
M
AINTENANCE
M
AINTENANCE
4
3
VD0384
6
VD0383
MODE
AND
TURBO
3 sec.