3. Fold condensation tray downwards (Fig. 15)
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Tray may contain condensation water!
4. Loosen frost protection sensor WT from heat exchanger fins (Fig. 16)
5. Loosen all screws on the heat exchanger holder (Fig.17)
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Support heat exchanger in doing so!
6. Carefully remove cross-counterflow heat exchanger from the unit (Fig.18)
In order to clean the heat exchanger, carefully clean with a high-pressure cleaner. In this respect, rinse the heat
exchanger with a flat spray nozzle at a right angle to the fins.
With regard to disinfection, the heat exchanger can be dipped in a mild cleaning bath and then well rinsed.
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Max. pressure 20 bar!
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Minimum distance 30 cm from nozzle to the fins!
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Max. water temperature 60 °C!
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Do not bend the fins!
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Clean heat exchanger on both sides!
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Allow heat exchanger to dry before installation!
6.2 Filter change
The inspection openings on the ventilation unit enable the easy change of external filter (F7) and extract air filter (F5).
To change the filter, open the turn-lock fasteners in the inspection openings and fold the doors downwards.
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RISK OF INJURY! From falling or down-folding covers/inspection openings!
1. Pull both filter locks downwards (Fig.19)
2. Carefully loosen and remove the filter (Fig.20)
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The air flow direction must be taken into account!
ATTENTION
+
Fig.15
Fig.16
WARNING
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Fig.17
Fig.18
IMPORTANT
+
WARNING
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IMPORTANT
+
Fig.19
Fig.20
23
Central Ventilation Units KWL EC.. D Pro/WW
Installation and Operating Instructions
EN
