34
Coarse filter
(text or colour,
if any, below)
Fine filter
TO DO AT 6-MONTH INTERVALS
- Remove the plug from power supply.
- Wait for 5 minutes to allow the fans to stop and possibly hot electric
resistors to cool off.
- Open the door of the unit.
- Remove the outdoor air filter and the extract air filter (above the
exchanger, as shown in the figure). Wipe or vacuum them.
- Remove the filter (below the exchanger) and carefully vacuum it.
- Clean the inner surfaces of the unit e.g. by vacuuming or wiping.
- Pour water at the bottom of the unit and ensure that water flows out of
the unit through the condensation water outlet.
- Put the filters back in place.
- Close the door.
- Connect the plug in place.
TO DO AT CIRCA 1-YEAR INTERVALS
Filter replacement
- Remove the plug from power supply.
- Wait for 5 minutes to allow the fans to stop and possibly hot electric
resistors to cool off.
- Open the door of the unit.
- Remove old filters and replace them with new ones.
- If needed, clean the heat recovery cell in accordance with the following
instructions.
- Remove the photocell sensor by pulling it out from between the cell
lamellas.
- Remove the cell and rinse it under running water or wash it with washing-
up liquid. Let the cell get dry.
- Put the cell back into the unit with the arrow pointing upward. -If a photocell
sensor is used, put it in place.
- Close the door.
- Connect the plug in place.
New filters are available in DIY stores and HVAC stores, or they can be ordered at
www.ilto.fi.
Instructions for Maintenance
