22 | EN SMARTY v2023.2
6. MAINTENANCE
6.1. SAFETY INSTRUCTION
Unplug the unit from the mains before opening the door (disconnect the power plug from the outlet or in case a two-pole
automatic circuit breaker is installed, disconnect it as well. Make sure that it cannot be turned on by the third parties) and wait
until the fans completely stop (for about 2 min.).
6.2. GENERAL RECOMMENDATIONS FOR THE MAINTENANCE OF VENTILATION SYSTEM
In order to ensure the proper functioning of the system, maintenance requirements and its periods should be observed. Otherwise, the warranty
shall be void. Some recommendations are provided in the table below, but they are just advisory, as the need for system maintenance depends
on the location of the unit installation, the pollution of the atmosphere, population, working hours, etc.
COMPONENT DURING START-UP AT LEAST EVERY 6 MONTHS
Filters Check the cleanliness of the lters
Replace lters every 3 to 4 months or according to the control device
indications.
Fans
Check the connections and the
direction of rotation
Check cleanliness. Clean, if necessary.
Make sure that the impellers are not unbalanced.
Make sure that the impellers do not cause noise when rotated by
hand.
Make sure that the fastening screws are not loose and free of me-
chanical damage.
Check electrical connections and make sure that these are secured
properly and are free of signs of corrosion.
Plate Heat exchanger
Check the cleanliness of the heat
exchanger
Check cleanliness and clean, if necessary.
Control panel Check the connections Check the connections.
Electric heater Check the connections
Clean o dust, and check the electrical components and connections
of the heater.
Pressure sensor Check electrical connections Check the operation.
Temperature sensor Check electrical connections Check the operation.
Air supply and extract system Check the connections Clean.
Air duct system Check the tightness Clean.
Dampers, diusers, grid Check the tightness of connections Clean.
Switching unit (contactor)
Every 3 to 4 months, visually assess the functioning of the switching
unit (contactor), i.e., make sure that its casing has no signs of melt-
ing or is not thermally damaged and does not produce any unusual
sounds. All the contactors in the product or in its accessories must
be checked.
Condensate trap and discharge
assembly
Check the condensate discharge
assembly and make sure that water
runs from the drip tray properly.
Clean.
6.3. COVER OPENING
Figure 6.3.1. Smarty 2X P
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