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Translation from original instructions
7.3 Internal cleaning
It is essential to keep the installation site clean and tidy for correct maintenance of the unit and to keep it in good working
order.
7.3.1 Cleaning the unit
Keep the inside of the electrical control panel and (where present) the compressor compartment clean.
After working on the unit, always clean the electrical control panel of any work remnants and extraneous components.
Restore the safety devices and protective devices that had to be removed in order to carry out the work.
Use a vacuum cleaner to eliminate small objects, work remnants and/or any dust.
Do not use compressed air
If you have to carry out work on compressors inside the compartment, before closing it again, check that the electrical box
of the compressor is closed correctly and that any refrigerant circuit valves are in the correct state, and make sure you do
not leave any materials inside the compartment.