• If compressed air is used in the food industry and more specifically for direct food contact, it is
recommended, for optimal safety, to use certified Class 0 compressors in combination with
appropriate filtration depending on the application. Please contact your customer center for
advice on specific filtration.
• The service switch should only be operated by a trained service specialist from the
manufacturer.
1.3 Safety precautions during installation
Warning: All responsibility for any damage or injury resulting from neglecting these
precautions, or non-observance of the normal caution and care required for installation,
operation, maintenance and repair, even if not expressly stated, will be disclaimed by the
manufacturer.
• The machine must only be lifted using suitable equipment in accordance with the applicable
safety regulations. Loose or pivoting parts must be securely fastened before lifting. It is strictly
forbidden to dwell or stay in the risk zone under a lifted load. Lifting acceleration and
deceleration must be kept within safe limits. Wear a safety helmet when working in the area of
overhead or lifting equipment.
• The unit is designed for indoor use. If the unit is installed outdoors, special precautions must be
taken. Consult your supplier.
• Place the machine where the ambient air is as cool and clean as possible. If necessary, install a
suction duct. Never obstruct the air inlet. Care must be taken to minimize the entry of moisture
at the inlet air.
• Any blanking flanges, plugs, caps and desiccant bags must be removed before connecting the
pipes.
• Air hoses must be of correct size and suitable for the working pressure. Never use frayed,
damaged or worn hoses. Distribution pipes and connections must be of the correct size and
suitable for the working pressure.
• The aspirated air must be free of flammable fumes, vapors and particles, e.g. paint solvents,
that can lead to internal fire or explosion.
• Arrange the air intake so that loose clothing worn by people cannot be drawn in.
• Ensure that the discharge pipe from the compressor to the after-cooler or air net is free to
expand under heat and that it is not in contact with or close to flammable materials.
• No external force may be exerted on the air outlet valve; the connected pipe must be free of
strain.
• If remote control is installed, the machine must bear a clear sign stating: DANGER: This
machine is remotely controlled and may start without warning.
The operator has to make sure that the machine is stopped and depressurized and that the
electrical isolating switch is open, locked and labelled with a temporary warning before any
maintenance or repair. As a further safeguard, persons switching on or off remotely controlled
machines shall take adequate precautions to ensure that there is no one checking or working
on the machine. To this end, a suitable notice shall be affixed to the start equipment.
• Air-cooled machines must be installed in such a way that an adequate flow of cooling air is
available and that the exhausted air does not recirculate to the compressor air inlet or cooling
air inlet.
• The electrical connections must correspond to the applicable codes. The machines must be
earthed and protected against short circuits by fuses in all phases. A lockable power isolating
switch must be installed near the compressor.
Instruction book
6 2920 7219 10
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