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Dismantlement
The best procedure is the recovery and the recycle. If this is not possible the refrigerant must be conferred to an
accredited system for its destruction in order to neutralize acid and toxic by-products.
2.5
PRECAUTIONS AGAINST RESIDUAL RISKS
Prevention from risks due to the command system
• make sure the instructions for use have been understood before carrying out any work on the control panel.
• always keep the instruction manual close at hand when working on the control panel.
• start up the unit only after having certified that it is correctly connected to the plant.
• inform the technician promptly of any alarms which appear on the unit.
• do not reset the alarms to manual restart without having first identified the cause and removed it.
2.6
PREVENTION AGAINST RESIDUAL MECHANICAL RISKS
• install the unit in accordance with the provisions of the following manual.
• carry out all the maintenance operations provided for by this manual regularly.
• wear a protective helmet before entering inside the unit.
• before opening a machine panel make sure that it is firmly connected by means of a hinge.
• do not touch the air condensation batteries without having first put on protective gloves.
• do not remove the protections to the moving parts while the unit is running.
• before restarting the unit make sure that the moving part protections are in the correct position.
2.7
PREVENTION AGAINST RESIDUAL ELECTRICAL RISKS
• connect the unit to the mains in accordance with the provisions of this manual.
• carry out all maintenance operations regularly.
• before opening the control panel disconnect the unit from the mains by means of the external knife switch.
before opening the control panel disconnect the unit from the mains by means of the external knife switch.
It must be taken into account especially that when soft starters instead of contactors are installed as
compressors drives, one phase of any compressor remains live when the compressor is off but the main switch
is closed. Do not access the compressor electrical box
.
• check that the unit has been earthen correctly before starting it up.
• control all the electrical connections and the connection cables paying particular attention to the state of isolation;
replace the cables which are clearly worn or damaged.
• carry out periodic checks of the wiring inside the panel.
• do not use cables with an inappropriate section or flying connections not even for a limited period or in an emergency.
2.8
PREVENTION AGAINST RESIDUAL RISKS OF A DIFFERENT NATURE
• the residual risks due to pressure are mainly coming from a failure of the safety devices. To prevent them it
is necessary to check and replace them when required
• carry out the plant connections to the unit by following the indications reported on the following manual and
on the panels of the unit itself.
• if a part is disassembled, make sure that it is correctly reassembled before restarting the unit.
• do not touch the discharge line of the compressor, the compressor itself or any other tube or component which is inside
the machine without putting on protective gloves.
• keep a fire extinguisher which is able to put out fires on electrical equipment near the machine.
• in the event of fire either if it originates on the unit or near it make sure the power supply to the unit is promptly cut and
that any person who might be near the unit at that moment is moved to a secure location.
• on units installed inside, connect the refrigerant circuit shut off valve to a network of tubes which are able to lead the
possible spillage of refrigerating fluid outside.
• eliminate any fluid loss inside or outside the unit.
• collect the discharge liquid and clean up any possible oil leakage.
• periodically clean the compressor casing of the accumulated dirt deposits.
• do not keep inflammable liquids near the unit.
• do not dispose of the refrigerant fluid and the lubricating oil in the environment.
• welding should only be carried out on empty tubes; do not approach the tubes containing refrigerant fluid with flames or
other sources of heat.
• do not bend or strike tubes containing pressurized fluids.
Summary of Contents for CCUF
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