Number of fl ashes
7
8
9
10
11
13. INSPECTION, MAINTENANCE AND CLEANING
13.1. FILTERS
The Termo-Reg control incorporates a function of supervision of the fi lters clogging.
When the fi lter replacement is required, the display shows an alarm message.
The registers ubication for fi lters maintenance depends on the model and version. The exact ubication
of the fi lters is identifi ed by a label in the profi le that indicates the type of fi lter and its characteristics.
FALLING OBJECTS
By loosening the screws that hold the panels, they will be released. In units installed
in ceiling, pay special attention to this operation to prevent the fall of a panel. During
the maintenance signaling the area below the heat recovery unit and prevent personnel
access to it.
• Horizontal confi gurations of CADB-N 05 to 30 models. The access to fi lters can be done by the
bottom panel and by the lateral panel.
• Horizontal confi gurations of CADT-N 45 to 80 models. The access to fi lters can be done by the top
panel and by the lateral panel.
• Vertical confi gurations. The access to fi lters can be done by the lateral panels.
Replacement fi lters are delivered in a plastic bag for extra protection. Remove the bag before installing
into the unit.
Before installing the fi lter make sure that the airfl ow direction is correct. (indicated by arrow in the
fi lter).
13.2. HEAT EXCHANGER
The access to the heat exchanger is performed by the bottom (horizontal CADB-N models 05 to 30), for
the top part (horizontal models of CADT-N 45 to 80) and for lateral part (vertical models).
Using a screwdriver, remove the access panels to the heat exchanger.
To release the heat exchanger, loosen the screw that fi x the heat exchanger to the internal structure.
Error
Danger of ice in heat exchanger
Fan failure
Dirty fi lters
Operating time
KO communication
55
Description
Activate defrost management
There is a fan fault
The fi lters are dirty
Preset time pre-programmed
in the equipment has been reached
It has lost the communication between the
remote terminal and the base plate