S&P CADB-N-D Installation Manual page 39

8.2. BY-PASS CONNECTION
There can be mounted one of the two types of the following servomotors: Bear in mind the wiring diagram.
L
AC 230V
N
L
AC 230V
N
Attention!! In the equipment with By-Pass the servomotor cable is always in the connection box of the return fan.
9. START UP
Before starting, it is recommendable to carry out the following verifi cations:
- Make sure there are no foreign bodies inside the device and that all components are secured on their positions.
- Ensure manually that the fan does not touch the walls.
- Make sure that the inspection hatch is closed.
ATTENTION:
If the outlets of the fan are not ducted an adequate protection net must be fi tted.
Check the earth connection.
The electrical connection should be made by qualifi ed personnel.
10. INSPECTION, MAINTENANCE AND CLEANING
10.1. FILTERS
The Pro-Reg control incorporates a function of supervision of the filters clogging.When the filter replacement is required, the display shows
an alarm message.The registers ubication for filters maintenance depends on the model and version. The exact ubication of the filters is
identified by a label in the profile that indicates the type of filter 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 configurations of CADB-N 05 to 30 models. The access to filters can be done by the bottom panel and by the lateral panel.
Horizontal configurations of CADT-N 45 to 80 models. The access to filters can be done by the top panel and by the lateral panel.
Vertical configurations. The access to filters can be done by the lateral panels.
Replacement filters are delivered in a plastic bag for extra protection. Remove the bag before installing into the unit.
Before installing the filter make sure that the airflow direction is correct. (indicated by arrow in the filter).
white / black (3)
3
Servomotor
brown (2)
Type 1
2
blue (1)
1
white (Y2)
7
Servomotor
black (Y1)
Type 2
6
blue (N)
4
English
wh te
black
brown
blue
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Español Francés
blanco blanc
negro noir
marrón brun
azul bleu