Maintenance - Lennox CWC 090-4P Installation, Operation & Maintenance Manual

MAINTENANCE

ALWAYS INSTALL THE FILTER
If the unit operates without the filter, there is
a risk of damaging the unit through dust
contamination.
Electric shock hazard can cause injury or death. Before attempting to perform any service or maintenance on the
unit, turn OFF the electrical power, and check that the fan has stopped.
CLEANING THE AIR FILTER (Fig. 2)
1.- Stop the unit.
2.- Open the air intake grille on the unit.
Open the grille by way of two hand triggers, which are close to
the display unit holder. The grille will swing down supported by
the stays and the hooks.
3.-Relese the air intake grille from de unit.
To release the grille pull it down until the stays can be unlock
from the diffuser, then pull it back to an angle greater of 90º and
lift it lightly, finally the grille hooks will come away from the
diffuser.
4.-Remove the air filter once the air intake grille have been
released
Clean the air filter depending on the operation conditions and
working time, (approximately once every 6 months).
Use a vacuum cleaner to clean dust off. If the filter is too dirty,
wash it with water and neutral detergent. Dry the filter before
re-fitting.
5.-Replace the filter in the right position.
6.- Close the air intake grille.
Place the hand triggers on position again.
HOOKS
STAYS
HAND TRIGGERS
WARNING
Fig 2.
A
AIR FILTER
ACCESS TO ELECTRICAL COMPONENTS
Access to terminal plate
The terminal plate can be accessed by
removing the air intake grille and unscrewing
the terminal cover. (Fig. 2)
Access to electrical panel
To gain access to the electrical board follow
these instructions:
1.- Disconnect the infrared receiver display
unit (if fitted), and the swing motor wire.
2.- Disassemble the diffuser panel by removing
the screws that attaches it to the unit.
3.- Remove the cover of the electrical panel,
where is the PCB.
14
AIR INTAKE GRILLE
ELECTRICAL
PANEL COVER
(Fig. 2 & 3)