3005831-2019-04-01.fm
Mechanical assembly
20/64
3.4 Handles on doors
The handles can be supplied loose to avoid damage during transport and are supplied
as loose parts in packaging.
A set of handles consists of 1 handle with lock and key, and
one handle without a lock. The lockable handle must be fitted at a suitable height.
Exercise caution with the handle when opening the door.
Important:
If the fan is unprotected, the doors must be able to be opened using
the square key or be equipped with at least one handle that is lockable.
3.5 Duct connections
Round ducts can be secured to the duct spigots using a clamp.
Rectangular ducts are connected to inlet and outlet openings on the air handling unit
using LS rails or METU fittings.
3.5.1 Flexible connections
The unit has built-in vibration dampers between the fan and frame.
If further vibration damping is desired, flexible connections at the duct connection can
be supplied as accessories.
3.5.2 ZerAx
®
fans
Optimal
installation
It is recommended that the distance to
the nearest duct bend from a ZerAx®
fan is at least 3 x the fan’s
diameter [3 x D].
Minimum
installation
It is recommended that the minimum
distance to the nearest duct bend from
a ZerAx® fan is the fan’s diameter [D].
3 x D
>
3 x D
>
½D
r >
D
>
D
>
½D
r >
Summary of Contents for VEX5000 Series
Page 63: ...3005831 2019 04 01 fm Spare parts 63 64...
Page 64: ......