39
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.
8.2. BY-PASS CONNECTION
There can be mounted one of the two types of the following servomotors: Bear in mind the wiring diagram.
Attention!! In the equipment with By-Pass the servomotor cable is always in the connection box of the return fan.
AC 230V
L
N
white (Y2)
black (Y1)
blue (N)
7
6
4
Servomotor
Type 2
AC 230V
L
N
white / black (3)
brown (2)
blue (1)
3
2
1
Servomotor
Type 1
English
Español
Francés
wh te
blanco
blanc
black
negro
noir
brown
marrón
brun
blue
azul
bleu
10. INSPECTION, MAINTENANCE AND CLEANING
10.1. FILTERS
The Pro-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
identi
fi
ed by a label in the pro
fi
le that indicates the type of
fi
lter and its characteristics.
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 air
fl
ow direction is correct. (indicated by arrow in the
fi
lter).
s
Horizontal configurations of CADB-N 05 to 30 models.
The access to
fi
lters can be done by the bottom panel and by the lateral panel.
s
Horizontal configurations of CADT-N 45 to 80 models.
The access to
fi
lters can be done by the top panel and by the lateral panel.
s
Vertical configurations.
The access to
fi
lters can be done by the lateral panels.
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.
Summary of Contents for CADB-N-D
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