96
Fans
Inspecting
Before opening the service hatch, always make
sure that the unit’s supply voltage is switched o.
DANGER
1. Inspect the cleanness of the fans visually when
changing the lters.
• If they look dirty, clean them.
Vacuum the inside of the unit for better
performance and cleaner indoor air.
TIP
Cleaning
Before opening the service hatch, always make
sure that the unit’s supply voltage is switched o.
DANGER
1. Remove the fans from the unit.
2. Clean the fans with a toothbrush or pressurized air.
3. Place the fans back into the unit.
Heat exchanger
Inspecting
Before opening the service hatch, always make
sure that the unit’s supply voltage is switched o.
DANGER
1. Check the cleanness of the heat exchanger visually
when changing the lters.
• If it looks dirty, clean it.
Vacuum the inside of the unit for better
performance and cleaner indoor air.
TIP
Cleaning
1. Remove the heat exchanger from the unit.
2. Wash the heat exchanger with water and neutral
detergent or use pressurized air.
Do not submerge the heat exchanger in water. The
electric motor inside the exchanger must not get
wet.
The use of a pressure washer is strictly forbidden.
WARNING
3. Dry the heat exchanger properly.
4. Place the heat exchanger back into the unit.
5. Start the unit up to verify the rotation.
6. Close the service hatch.
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