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8. It is not allowed to walk or stand on the unit or on its components.
9. Never block the outlet in case the pump is used as a vacuum pump.
1.3 Safety precautions during installation
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.
1. The machine must only be lifted using suitable lifting 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.
2. The unit is designed for indoor use. If the unit is installed outdoors, special precautions must be taken; consult
Atlas Copco.
3. Place the machine where the ambient air is as cool and clean as possible. Never obstruct the cooling air inlet.
Water handling capacity is limited. For operating in such applications, consult Atlas Copco.
4. Any blanking flanges, plugs, caps and desiccant bags must be removed before connecting the pipes.
5. All connections must be of correct size and suitable for working pressure and temperature. Never use frayed,
damaged or worn hoses. Distribution pipes and connections must be of the correct size and suitable for the
working pressure and temperature.
6. The aspirated air must be free of flammable fumes, vapors and particles, for example, paint solvents that can
lead to internal fire or explosion. Follow the material safety.
7. Arrange the air intake so that loose clothing worn by people cannot be sucked in.
8. Ensure no external force exerted on the inlet and outlet connection. The connection pipes must be free of strain.
No supports may be fixed to the canopy of the machine.
9. 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 that isolating switch is open and locked before
any maintenance or repair. As a further safeguard, persons switching on 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 starting equipment.
10. 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 vacuum/over-pressure pump air inlet of the vacuum relief valve or
cooling air inlet.
11. 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 vacuum/over-pressure pump.
12. On machines with automatic start/stop system or if the automatic restart function after voltage failure is activated,
a sign stating “This machine may start without warning” must be affixed near the instrument panel.
13. In multiple vacuum/over-pressure pump systems, manual valves must be installed to isolate each pump. Non-
return valves (check valves) must not be relied upon for isolating multiple systems.
14. Never remove or tamper with the safety devices, guards or insulation fitted on the machine.
15. Piping or other parts with a temperature that exceeds 70°C (158°F) and which may be accidentally touched by
personnel in normal operation must be guarded or insulated. Other high temperature piping must be clearly
marked.
16. If the ground is not leveled or can be subject to variable inclination, consult the manufacturer.
17. Whenever air containing hazardous substances are sucked in (that is, biological or microbiological agents), use
abatement systems placed upstream of the vacuum/over-pressure pump.
18. Any pump placed in an application with inlet gas stream temperatures above the published maximum temperature
should be approved by Atlas Copco prior to start-up.
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