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Ductable air-cooled scroll
chillers and heat pumps
15
Air ducts connections
For units designed for installation indoors with ducted supply and
return in the outdoor circuit, it is advisable to have the following
recommendations:
- Curves in the fan discharge supply must be avoided. It is
recommendable to have a straight section of duct measuring
approximately 1 metre. If it is not possible, they must be as smooth
as possible, using indoor de
fl
ectors when the duct is of large
dimensions.
- When making the ducts, direction sharp changes must be avoided
since they can generate occasional pressure drops, which affect
the available pressure and the
fl
ow. The location of discharge
and aspiration grilles must be studied carefully to avoid the air
recirculation and the transmission and generation of noises to the
interior.
- No matter the type of ducts type to use, these must be insulated and
must not be composed of materials that propagate
fi
re nor expel toxic
gases in the event of a
fi
re. The internal surfaces must be smooth
and should not pollute the air that circulates within them. In any case,
the effective legislation about this issue must be respected.
- Flexible connections must be made between the ducts and the unit
that avoid the noise and vibration transmission.

Flexible connections
Optionally, these units can be sent with
fl
exible connections for supply
and return air.
In case of asking together for
fl
exible connections and damper for
condensation pressure control (optional for version STD), discharge
fl
exible ducts are attached to the above mentioned damper.
If it is removed the damper for installation on duct, it is necessary to
maintain the frame for reconnecting the
fl
exible connections.
Supply ducts
STD version
Without damper

M00 dimensions (mm) M01 dimensions (mm)
A B C A B C
90STD / 100STD
859 407 132 552 430 152
120STD to 180STD
1139 481 132 652 552 152
HEE version
M00 dimensions (mm) M01 dimensions (mm)
A B C A B C
90HEE
859 407 132 633 589 132
100HEE / 120HEE
1139 481 132 817 639 132
160HEE / 180HEE
1854 407 132 1619 590 132
STD version
With damper

M00 dimensions (mm) M01 dimensions (mm)
A B C A B C
90STD / 100STD
859 407 132 513 391 132
120STD to 180STD
1139 481 132 613 513 132
Return ducts
 Damper for condensation pressure control (optional): add the height
of the damper to the
fl
exible duct.
M00 asssembly:
Horizontal supply
M01 asssembly:
Vertical supply
HEE version
Without
fi
lters (mm) W ith
fi
lters (mm)
C D E C D E
90HEE
132 903 800 109 903 800
100HEE / 120HEE
132 1183 950 109 1183 950
160HEE / 180HEE 132 1897 800 109 1897 800
STD version
Without
fi
lters (mm) W ith
fi
lters (mm)
C D E C D E
90STD / 100STD
132 903 800 109 903 800
120STD to 180STD
132 1183 950 109 1183 950