6
3. M
AINTENANCE
(
CONT
’
D
)
3.1
Q
UARTERLY
M
AINTENANCE
(
CONT
’
D
)
Open (
B
) and lift out the door (
C
).
±3”
VD0303A
B
C
In order to prevent damages to
the door hooks, do not open
completely the unit door; tilt it
about 3" from the unit base and
lift it up. See illustration at right.
CAUTION
Slide out the heat
or energy recovery
core, the core
bracket the bottom
filter retaining wire
and all the filters.
*Bottom filter retaining wire only on ERVH100S unit.
Clean the inside wall of the unit with a damp cloth, then wipe with a dry one.
Remove dust on core using a vacuum cleaner with a soft brush attachment.
Wash both core filters under hot water with mild soap. Rinse thoroughly and let
dry completely.
Reinstall the recovery core with its filters and the retaining wire (if present).
NOTE: The recovery core must be reinstalled BEFORE the core bracket.
Reinstall the HEPA filter but before reinstalling the prefilter, look at the
installation date on HEPA filter frame. If there are more than 6 months
passed, discard the prefilter and install a new one, but keep the HEPA filter.
Reinstall the door, plug back the unit and turn it on.
NOTE: The unit will return to its previous setting after a 30-second delay for
boot sequence.
VL0061
H
EAT
OR
E
NERGY
R
ECOVERY
C
ORE
C
ORE
F
ILTERS
AND
B
OTTOM
F
ILTER
R
ETAINING
W
IRE
*
HEPA
F
ILTER
P
REFILTER
C
ORE
B
RACKET
