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This manual applies to the Kongskilde MultiAir FCE
3500 blowers.
The target group for this manual are operators, (electri-
cal) installers as well as maintenance and service staff.
Description:
The Kongskilde MultiAir blower is designed for use with
pneumatic conveying systems, but is also suitable for
other industrial pneumatic solutions.
The blowers are equipped with a closed noise reduc-
tion cabinet, which ensures low noise levels.
The MultiAir models are equipped with a frequency
converter, which allows energy efficient adjustment of
the blower´s operating point, with simple control from
the supplied operator panel.
Do not transport corrosive, abrasive or adhesive gases
through the MultiAir blower, but the intake air may well
contain limited amounts of dust and particles, e.g. from
the return air from a separator.
The blower does not meet the requirements of the
ATEX directive, and no air may be transported through
the blower, containing dust and / or gases, that would
otherwise require ATEX zone equipment. The blower
must therefore not be used within environments
containing dust concentrations that may constitute
an explosion hazard.
Intake air temperature must be max. 70°C.
Warning notes:
Make sure all guards are in place and properly secured
during operation.
Always disconnect power to the blower prior to repair
and maintenance. The main switch must be switched
off and locked to ensure the blower cannot be started in
error.
Never put tools or any body parts into the blower's
intake or outlet while the blower is running. Serious
injury or death may occur if contact is made with
the blowers rotor.
The blower should be installed in an accessible location
for maintenance and repair.
The working area around the blower should be clear
and free from trip hazards.
Make sure to have adequate lighting when working on
the blower.
To prevent accidental contact with the rotor, the piping
for exhaust air, and supply air MUST be fixed using bolt
type flange clamps. Hence, tools MUST be used for
separating all piping between the blower and the con-
nected machines!
In case there is no pipe connection mounted to the
inlet, a fixed protective grid must be installed!
EU-directive 2006/42/EC (Machinery Directive) states,
it is not permissible for any unauthorized personnel to
gain access to rotating parts. Should quick release type
flange clamps be installed, exposure to the hazardous
area may be gained by unauthorized personnel. The
risk of being sucked onto the blowers inlet should also
be observed.
The blower speed is fully adjustable and controlled from
the operator panel. In order not to overload the rotor
and motor, the blower speed can not be set higher than
the peak design specification. Changing the electrical
equipment in order to increase the maximum blower
speed is not permitted.
Always use suitable eye protection when working close
to the air outlet of the blower. Particles may be blown
from the air outlet of the blower, causing eye damage.
The blower can move large volumes of air and can
therefore generate high levels of noise. If working
around the blower with dismounted covers during op-
eration, hearing protection must be worn. Likewise, it
must be ensured that the connected piping is suitably
insulated acoustically; see section "Installation".
If any abnormal vibration or noise are observed, the
blower must be stopped immediately and qualified as-
sistance requested.
Warning signs:
Avoid accidents by always following the safety instruc-
tions which are specified in the manual and on the
blower.
Warning labels with symbols without text are located
onthe blower. The meaning of the symbols is explained
below. If a warning label gets damaged, and is no long-
er legible, it must be replaced. New labels are available
in the spare parts list.
Read the instructions for use carefully
and pay attention to the warning texts
in the operating instructions and on
the blower.
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