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Installation and Operating Instructions
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WARNING
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WARNING
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WARNING
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DANGER
Central ventilation unit – KWL 500 W/W ET
5. Clean the heat exchanger with a vacuum cleaner with a brush nozzle or with water.
6. During installation, place the heat exchanger
seals are not damaged!
7. Re-insert the terminal strip
8. Re-attach the unit door and close with the snap-in hooks.
9.4
Condensate drain maintenance
The condensate drain must be checked for functionality and, if necessary, replaced as needed and at least every 6
months.
Carry out functional inspection as follows:
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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 hand.
1. Open both upper snap-in hooks on the unit door.
2. Remove the unit door.
3. Pour some water into the condensation tray with a watering can.
4. Check whether the water drains via the condensate hose and clean the condensate drain, if necessary.
5. Re-attach the unit door and close with the snap-in hooks.
9.5
Standstill and disposal
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Danger to life due to electric shock!
Live parts are exposed during dismantling and touching these live parts will lead to electric shock.
> Before dismantling, isolate the unit from the power supply and secure against unintentional restart!
Parts and components of the fan, whose service life has expired, e.g. due to wear and tear, corrosion, mechanical
load, fatigue and/or other effects that cannot be directly discerned, must be disposed of expertly and properly after
disassembly in accordance with the national and international laws and regulations. The same also applies to auxiliary
materials in use. Such as oils and greases or other substances.
The intended and unintended further use of worn parts, e.g. impellers, rolling bearings, filters, etc. can result in danger
to persons, the environment as well as machines and systems. The corresponding operator guidelines applicable onsi-
te must be observed and used.
Please think of the environment, you can make a significant contribution to the environmental protection by returning
batteries and accumulators!
on the guide rail and push up to the stop. Ensure that the receptacle
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