ii VERTIV™ - Liebert
®
EFC - UM - 10040805MAN_ENG - 30.03.2023
There is a risk of being hit by the door and hands being crushed.
• Before opening the door, switch the unit using the local or remote control panel or the external main switch
(if installed).
If small objects are left loose in the fans bay after any maintenance operation, it may result in the object ejection at the
fans start-up.
There is a risk of being hit by small objects.
• Install all protection panels or a grid before starting up the fans after any maintenance operation.
If the internal compartments are open immediately after the machine has been switched , there might be some
hazards related to:
• Components still at high temperature.
• Rotating elements (fan impellers, they might continue to rotate for a while by inertia)
• Sharp edges, splinters and exposed fasteners
The supply cable of the main switch contains live high-voltage.
• It is mandatory to install an external main switch on site easy to reach, to facilitate a quick and easy shutdown
enabling the power of the unit to be cut .
Refer to the unit electrical schematics for the installation. Follow all local codes.
If the unit is installed above some support, some electrical components will result higher: use a ladder to compensate
the increased height.
Do not walk on unit’s top
biological contaminants. Please be aware that the mist / water vapor from this unit could be harmful if inhaled or
ingested.
Personal Protective Equipment () should be worn at all times when carrying out maintenance activities to minimize
direct exposure to the discharge airstream and the associated drift / mist generated during water recirculation.
The unit should be installed and maintained strictly in accordance with prescribed local legislation. The unit should be
positioned and installed in accordance with local planning and building regulations in order to prevent any drift /biological
activity, or other unit discharge from entering the building’s air system or from exposing people that are not trained/
educated on the hazards that may arise from the unit.
Follow all local regulations to prevent risk of legionella disease and other microbiological risks (risk assessment,
prevention, control, maintenance, health surveillance)
make sure the water supplied to the unit and the water into the recirculation system are
Chapter 3.2.
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