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3. M
AINTENANCE
3.2 A
NNUAL
Do the same operations as the Quarterly Maintenance (Section 3.1), and
clean the recovery core as follows (refer to the core label):
HRV units: Soak the heat recovery core in a mixture of lukewarm water
and mild soap. Rinse thoroughly. Shake the core to remove excess water
and let it dry.
ERV units: Remove the dust on the core using a vacuum cleaner and a
soft brush attachment.
All units: After reinstalling the core, core filters and the unit door, then
clean the exterior hoods.
4. T
ROUBLESHOOTING
Shock hazard. Never open the electronic box. No user-serviceable parts
inside. There is a fuse on the electronic board. Never attempt to replace it.
Refer servicing to qualified service personnel.
If the unit does not work properly, reset the unit by unplugging it for one minute
and then replug it. If it is still not working properly, refer to table on next page.
(
'
)
CONT
D
M
AINTENANCE
!
WARNING
9
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