Technical Maintenance; Troubleshooting - Vents MPA W Series User Manual

Single-block air supply unit with water heater
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MAINTENANCE
DISCONNECT THE UNIT FROM POWER MAINS PRIOR TO ANY MAINTENANCE
OPERATIONS.
AVOID FREEZING OF THE WATER HEATER! WATER FREEZING IN THE WATER
HEATING COILS LEADS TO THE DEFORMATION AND BREACH OF THE COPPER
TUBES AND RESULTS IN THE WATER OUTFLOW AND THE HEATER MALFUNCTION.
Maintenance operations of the unit are required 3-4 times per year. Maintenance includes regular cleaning and the following
operations:
Filter maintenance.
Filter cleaning:
Pull the cover to detach it from the metal clamps.
Pull the filters to remove.
Dirty filters increase air resistance in the system and reduce supply air volume. The filters require cleaning as required, in any
case not less than 3-4 times per year. Vacuum cleaning is allowed. After two consecutive cleanings filters must be replaced. Contact
the unit Seller to purchase new filters.
Fan maintenance (once per year).
Even in case of regular maintenance of the filters, some dust may accumulate inside the fan and reduce the fan performance
and supply air flow.
Clean the fan with a soft brush or cloth. No water and abrasive detergent, sharp objects or solvents are allowed for cleaning to
prevent the impeller damage.
STORAGE AND TRANSPORTATION REGULATIONS
Store the unit in the manufacturer's original packing box in a dry ventilated premise at ambient temperatures from +5°C up to + 40°C.
Storage environment must not contain aggressive vapours and chemical mixtures provoking corrosion, insulation and sealing
deformation.
Use suitable hoist machinery for handling and storage operations to prevent possible damage to the unit. Follow the handling
requirements applicable for the particular type of cargo.
The unit can be carried in the original packing by any mode of transport provided proper protection against precipitation and
mechanical damage.
Avoid sharp blows, scratches or rough handling during loading and unloading.
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