Helios KWL 220 D, Installation And Operating Instructions Manual

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Central ventilation unit – KWL 220/340 D
Installation and Operating Instructions
EN EN
33
8.1 Unit maintenance
The unit must be checked for contamination and dirt (visual inspection) once a every year.
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Risk of burns due to hot surfaces!
Hot surfaces can cause serious burns.
> Allow unit to cool down for at least 5 minutes or wait until the fans are turned off.
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Risk of injury due to rotating fans!
Rotating fans can injure limbs and cause serious injuries.
> Before working on the unit, wait until the fans are turned off.
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Risk of injury due to the unit door falling down!
The unit door can fall down when removing and cause serious injuries.
> Wear protective footwear.
> Carefully remove the unit door with both hands.
1. Loosen and remove the screws in the unit door.
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Risk of injury due to the high weight of the heat exchanger!
The heat exchanger can fall down and cause serious injuries when removed from the unit.
> Wear protective footwear.
> Carefully remove the heat exchanger from the unit with both hands.
2. Remove heat exchanger.
Damage to the unit due to the use of aggressive cleaning agents .
Aggressive cleaning agents can damage the unit.
> Do not use aggressive cleaning agents.
3. Remove dirt with a damp cloth and a small amount of washing-up liquid.
8.2 Filter maintenance and replacement
8.2.1 Filter maintenance
The filters must be checked for contamination and dirt (visual inspection) and, if necessary, replaced, see section 8.2.2
„Filter replacement“, page 33 as needed or at least every 6 months.
The maximum service life of the filters is 1 year. The filters must then be replaced.
8.2.2 Filter replacement
The need to change the filters is displayed:
– via the
easyControls 3.0 software by the symbol
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.
– via the control element KWL-BE Touch by the symbol
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.
– via the control element KWL-BE Eco by the flashing LED.
The arrangement of the air filters can be found on the unit label. When installing the filter, the air direction according to
the unit label must be observed, which is indicated by arrows on the filters.
When using ePM1 50 %/activated carbon filters, place the filter in the retaining bracket (included in delivery) and insert
in the guide slot in the unit.
Proceed as follows to replace the filters:
m
Risk of injury due to the unit door falling down!
The unit door can fall down when removing and cause
serious injuries.
> Wear protective footwear.
> Carefully remove the unit door with both hands.
1. Loosen and remove the screws in the unit door.
2. Pull intake air filter
ò
to the front and replace (see
Fig. 71).
3. Pull extract air filter
ù
(incl. frame) to the front and re-
place (see Fig. 71).
4. Optional: Pull fine/pollen filter (ePM1 50 %)
ä
incl.
frame to the front and replace (see Fig. 71).
5. Confirm the filter replacement:
– enter the filter replacement date and confirm via the
easyControls 3.0 software in the menu “Home-
page”> “Filter replacement”.
– confirm with
m
via the control element KWL-BE Touch .
– the filter replacement cannot be confirmed via the control element KWL-BE Eco .
ⓘ
Confirm via the easyControls 3.0 software or KWL-BE Touch.
The unit is equipped with filters ISO Coarse 75 % on the intake air and extract air sides as standard.
The filters are available as accessories:
Replacement air filter Course filter Coarse 75 % (2 pcs) ELF-KWL 220 D/4/4 Ref. no. 09638
Replacement air filter Fine/pollen filter ePM1 50% (1 pc) ELF-KWL 220 D/7 Ref. no. 09639
Replacement air filter Course filter Coarse 75 % (2 pcs) ELF-KWL 340 D/4/4 Ref. no. 04239
Replacement air filter Fine/pollen filter ePM1 50% (1 pc) ELF-KWL 340 D/7 Ref. no. 04240
CHAPTER 8
SERVICE AND
MAINTENANCE
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WARNING
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WARNING
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WARNING
ACHTUNG ATTENTION
Abb.: rechtes Gerät
Fig. 71
ò
ù
ä
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WARNING