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14
5 Maintenance
5.1 Quarterly Maintenance
1. Disconnect unit or turn power off at service panel.
2. Open unit door by following these steps and referring to illustrations below:
A Push on the door retaining tabs to disengage these tabs from the unit frame (see insets).
B Rotate the door and remove it.
Risk of electric shock. Before performing any maintenance or servicing, always turn power off at service panel or
disconnect the unit from the outlet. When cleaning the unit, it is recommended to wear safety glasses and gloves.
WARNING
!
Be careful when
opening the door;
water may be present
when outdoor
temperature is cold.
CAUTION
VR0112
A
VO0274
3. While holding the core () if unit is installed in or under the ceiling,
loosen the wing nut () and rotate the core retaining bracket (shaded
part in illustration at right). Slide out the core with its lters.
4. Wash both core lters under lukewarm water with mild soap. Rinse
and let dry completely before reinstalling on the core. Refer to the
core label for proper location.
5. Slide the core with its cleaned lters in the unit. Refer to lter location
indicators embossed inside the unit to position adequately the core.
Use the core bracket and wing nut to lock the core in place.
6. Reinstall and close the door, then restore power.
If the unit is installed in or under the ceiling, always hold
the core when rotating the core retaining bracket; failure
to do so will cause the core to fall out.
WARNING
!
B
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