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F. Cleaning and checking
This operation cannot be carried out by the user.
1. Cleaning
The machine must be thoroughly cleaned once a year (preferably in autumn), either as part of a
maintenance contract or when requested by the user.
Cleaning the machine:
• Cut all power to the VMI
®
unit before starting works and make sure that it cannot be
accidentally reset.
• Open the machine's technical cover by removing the 4 plastic screws.
• Cleaning the motor:
o Open the equipment hatch and remove the VMI® outlet duct.
o Remove the dust from the fan's wheel using a blower or a dry brush.
o Wipe the inside of the housing with a clean cloth.
• Cleaning the resistor:
o Open the technical cover
o Remove the dust from the resistor using a blower or a dry brush.
o Wipe the inside of the housing with a clean cloth.
• Wipe the inside of the housing with a clean cloth while removing the technical cover.
• Check that all of the connections are plugged into the electronic plug-in unit.
• Close the cover again by screwing the 4 screws down again.
2. Checks
To ensure the appliance remains effective, it is important to check the following points:
• The condition of the duct system. Clean or change if necessary.
• The roof outlet or the suction grille must be clear and not obstructed by anything (nest,
leaves, etc.). If it is obstructed, clean it following the safety rules.
• The various air passages (openings, grilles, clearance under doors) must not be
obstructed or reduced in size.
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