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7 - POSITIONING AND INSTALLATION
Important: All roofcurb are supplied with a return safety grille
intended for plenum installations. For installations with ducted
return, the grille must be removed prior to place the machine on
the roofcurb.
This grille is fastened using 4.8 self-tapping hex screws.
7.4.5 - Electric power supply
The power cables can be routed into the electric cabinet of the unit
via the panel located under the electric cabinet or via the base of
the unit, depending on the client's requirements.
If the connection of the hoses is to be carried out via the unit base
they will have to go through the roofcurb using the sheet metal
precuts for this purpose.
These precuts are located in the roofcurb area below the electric
cabinet. Its position can be consulted in the dimensional drawings.
Safety grille
Electric
cabinet
Detail of
the precuts
7.4.6 - Positioning the unit on the roofcurb
Once the previous work has been carried out, the machine can
be mounted on the roofcurb. The machine fi ts perfectly on the
roofcurb, no connecting element is necessary.
Important: It's the responsibility of the installer the insulation and
sealing upsweep around the roofcurb, as explained above.
7.5 - Change in the airfl ow direction
Depending on the unit assembly, is possible to convert on-site a
unit from vertical airfl ow to horizontal.
■ Supply: all "Standard" assemblies, except when it incorporates
the options of gas burner or boiler.
■ Return: in B1, B2, R1 assemblies and models 070 to 093 with
R2 asembly.
Note: on units with the "Very low outdoor temperature" option, air
supply only may be lateral (factory-confi gured).
7.5.1 - Supply
The side panel for supply air is supplied closed. The two parts
required to change direction are connected to the inside of this
panel: the locking part and the profi le for the outlet.
Profi le for outlet
Locking part
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