Vents VUE 300 HB EC, User Manual

Page: 14 / 20

14
VUT/VUE HB(E) ЕС
www.ventilation-system.com
2. Heat exchanger maintenance (once per year).
Some dust may accumulate on the heat exchanger even in case of regular maintenance of the filters. To maintain the high heat recovery
efficiency, regular cleaning is required. To clean the heat exchanger, remove it from the unit and clean the heat exchanger by using
compressed air or a vacuum cleaner. After cleaning, re-install the heat exchanger into the unit.
Heat exchanger maintenance steps:
1. Undo the screws on the front panel and remove it.
2. Pull the heat exchanger with a condensate drip tray to remove them.
3. Remove the heat exchanger from the condensate drip tray.
4. Clean the heat exchanger.
• Wet cleaning (polystyrene heat exchanger): rinse the heat exchanger with a warm detergent solution and leave to dry.
• Dry cleaning (enthalpy heat exchanger): clean the heat exchanger with a vacuum cleaner using a slotted nozzle.
5. Put the heat exchanger in place and assemble the unit in the reverse order.
3. Fan maintenance (once per year).
Even in case of regular maintenance of the filters, some dust may accumulate inside the fans and reduce the fan performance and supply
air flow. Clean the fans with a soft cloth, brush, or using compressed air. Do not use water, aggressive solvents, or sharp objects as they
may damage the impeller.
4. Supply air flow control (twice per year).
The supply duct grille may get clogged with leaves and other objects reducing the unit performance and supply air delivery.
Check the supply grille twice per year and clean it as required.
5. Ductwork system maintenance (once in 5 years).
Even regular fulfilling of all the maintenance operations prescribed above may not completely prevent dirt accumulation in the air ducts,
which leads to air pollution and reduces the unit capacity. Duct maintenance means regular cleaning or replacement.
6. Control unit maintenance (if necessary) .
Accessing the control unit is shown in the “Connection to power mains” section.