E-PAK 150 DX/300 DX/500 DX
35
EN
7.3.2 Recommendations
Transport velocity
It is important to use the correct duct diameter to avoid pressure losses and
dust deposits in the duct system. Ensure that the correct transport velocity
is achieved. Correct velocity depends on the properties of the transported
material. Some applications may require velocities up to 25 m/s (82 ft/s). Take
velocity into account when choosing duct diameters. The velocity is never to
decrease on the way to the unit. The transport velocity in the ducts may vary
depending on how much of the vacuum system is used.
Flushing
To keep the ducts clean, a principle called flushing may be used. Flushing may
be applied by fitting a valve at the end of the duct system. By not using the rest
of the system, and opening the so called flush valve, a high amount of air will
flush the ducts clean. By flushing each branch of the vacuum system separately,
the risk of dust deposits is minimized.
In larger vacuum systems with multiple E-PAK 150 DX/300 DX/500 DX
installed, we recommend the installation of valves in order to isolate one
E-PAK 150 DX/300 DX/500 DX for maintenance while the others remain in
normal operation.
If the dust is abrasive, it may be necessary to use thick-walled (or rubber-
coated) material in bends and other exposed areas.
To avoid pressure losses, the duct system is to be as short as possible and
designed with two or more branches. Use larger diameters on the clean side to
reduce pressure losses.
8
Installation
8.1
Installing E-PAK 150 DX/300 DX/500 DX
WARNING!
Risk of personal injuries.
The outlet silencer and fan may reach high temperatures during normal
operation.
WARNING!
Risk of eye injuries.
Always stop the unit before looking into the outlet. The fan rotates at high
speed and debris and particles coming out of the outlet may cause eye injuries.
E-PAK 150 DX/300 DX/500 DX may be placed indoors or outdoors.
Consider the following when installing E-PAK 150 DX/300 DX/500 DX:
•
The foundation is to be level and hard, see Section ‘7.2.2 Foundation’.
•
Do not install E-PAK 150 DX/300 DX/500 DX close to heat sources or
hot surfaces.
•
Beware of hot air from the outlet.
•
Ensure that handling is convenient.
•
Ensure that emptying collected dust is convenient.
•
Ensure that service and maintenance are convenient.
•
In case of high relative humidity, do not expose
E-PAK 150 DX/300 DX/500 DX to freezing temperatures.
•
Do not place E-PAK 150 DX/300 DX/500 DX in direct sunlight.
Summary of Contents for E-PAK 300 DX
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