4.2.1 To install the KTEX fan
1 To open the service lid and access the motor or the con-
nection box, remove the 2 screws on the top of the serv-
ice lid.
4.3 To connect the ducts to the
DKEX fan
Note:
Systemair recommends to use flexible connections to at-
tach the duct to the product. Flexible connections are
available as accessories.
1 Install the flexible connection USE on the outlet. Use
guide rails to attach the flexible connections to the duct.
Guide rails are not supplied by Systemair.
Flexible connection USE is available as an accessory.
Note:
Installation example is only a guide for installation. The di-
mensioning of suspension devices must be carried by the
installer and adapted to the prevailing conditions. Installa-
tion components mentioned in the text are accessories
and not part of the ATEX certification.
2 Install a circular duct on the inlet using flexible connec-
tion ISE. Fasten the flexible connection ISE to the fan
casing using self-drilling screws.
Self-drilling screws are not supplied by Systemair.
Flexible connection ISE is available as an accessory.
3 If you install the product near a duct bend, do these
steps to prevent vibrations, unwanted noise and de-
creased air pressure:
a. Measure the distance (A) between the product and
the duct bend.
b. Make sure that the distance (A) is a minimum of 2.5
x the diameter (B) of the duct system. For circular
ducts, (B) is the nominal diameter. For rectangular
ducts, (B) is the hydraulic diameter.
4.4 To connect the ducts to the
KTEX fan
Note:
Systemair recommends to use flexible connections to at-
tach the duct to the product. Flexible connections are
available as accessories.
7
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