User guide
3. MAINTENANCE (CONT’D)
3.1 SEMI-ANNUAL MAINTENANCE (CONT’D)
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CAUTION
Make sure to align proper symbol on the core (circle or square) with
the one on the unit.
VD0209
8. Slide the cleaned core into the unit.
9. Slide the cleaned filters into the unit.
NOTE: The mesh side of filters must be on bottom
(rests on core surface).
10. Reinstall the door. Secure it with both mechanical screws 8-32 x 1” previously removed,
plug back the unit and turn it on.
NOTE: The unit will return to its previous setting after a 30-second delay for booting
sequence.
3.2 ANNUAL MAINTENANCE
Do the same operations as the Semi-Annual Maintenance (Section 3.1). Then, clean the
exterior hoods.
4. TROUBLESHOOTING
If the unit does not work properly, reset the unit by unplugging it for one minute and
then replug it. If it still not working properly, refer to table below.
PROBLEMS TRY THIS
1. On Platinum wall control, there is
no outside temperature displayed
on screen .
• At its very start-up or after a power failure,
it takes some minutes before the outside
temperature value appears on screen. Set the
wall control on MIN or MAX in VENT mode.
• If the problem is not solved by the above,
contact your installer.
2. On Platinum or Deco-Touch wall
control, error code E1 or E3
appears on screen.
• Contact your installer.










