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Aktobis AG, Borsigstr. 20, D-63110 Rodgau / Germany 

www.AKTOBIS.de

 

Email: [email protected] 

 
 
 
After transport or assembly: 

 

As the unit works with cooling liquid, we ask you to let it stand upright for at least 1 hour before using it for the first 
time or after mounting the castors and the transport handle, so that the cooling liquid can settle properly in the unit 
again. 

 
 
During first operation / hose connection:

 

 

If you want to use a hose connection for draining the condensate, make sure that the hose connection is properly 
seated and that the condensate (water) can always drain off unhindered! If this is not observed, the water 
condensed by the building dryer (up to 50 litres per day) can cause damage to the room! 
 

Room humidity and dehumidification performance: 

 
If you want to check the room humidity and the associated dehumidification performance with your own humidity 
meter (hygrometer), please avoid attaching this humidity meter to a wall, as this will falsify the true humidity content 
of the room air. See also the explanations under Troubleshooting !!! 
 

 

Important safety instructions: 

 

Supervise the building dryer when children are near the unit ! 

Watch out for electricity - never walk into or insert objects into the appliance ! 

Do not place any objects on the construction dryer ! 

Do not block the exhaust and intake louvres of the unit and please ensure sufficient space/clearance at and 
around the fan ! 

Make sure that there is sufficient air supply to the unit, otherwise it can lead to a reduction in performance and, 
in the worst case, to overheating and/or fire ! Please always keep a distance of approx. 20 cm to the wall to 
avoid possible overheating of the unit ! Do not use in airtight rooms ! 

Only qualified personnel or electricians are allowed to open the unit or carry out repairs ! 

Make sure that no moisture gets into or onto the unit ! 

Use only the recommended voltage (220V-240V / 50Hz) to operate the appliance ! 

Make sure that the power cable is unfolded (untied) before connecting it to the socket ! 

Make sure that the plug is cleanly and properly connected to the socket before using the appliance ! 

Do not use multiple sockets to operate the building dryer ! 

Make sure that highly flammable substances (e.g. gases/oils etc.) are never in the vicinity of the unit ! 

Do not use any insect, oil or paint spray etc. near the building dryer. This may cause damage to the unit or 
even fire ! 

If you are not going to use the unit for a long time, switch it off and disconnect the mains plug ! 

Do not disconnect the mains plug by pulling on the power cable ! 

Please keep the unit away from heat sources and avoid direct sunlight ! 

Always hold and transport the unit in its proper position ! Never place the unit on its side or even upside down ! 

Make sure that the unit is properly earthed via the earthed plug supplied ! 

 
Please switch off the unit immediately and disconnect it from the mains/power supply if anything 
seems to be wrong !!! In this case, please contact a specialist and do not attempt to repair the 
unit yourself !!! 

 
Examples: 

Fan does not run during operation, fuse has blown, there is a funny smell or the compressor rattles 

loudly. 

 
 
 
 
 
 
 
 

Summary of Contents for WDH-50B

Page 1: ...t To ensure that you get a lot of enjoyment from this product here are a few more tips In case of any problems We hope that the unit meets your expectations If despite the greatest possible care there...

Page 2: ...s First fasten the two axles with two hexagonal bolts each in the already existing holes on the bottom of the construction dryer see fig 2 B Now mount one of the small axle clamps cotter pins on each...

Page 3: ...otherwise it can lead to a reduction in performance and in the worst case to overheating and or fire Please always keep a distance of approx 20 cm to the wall to avoid possible overheating of the uni...

Page 4: ...ss and therefore a leak cannot be detected immediately by an emerging odour Make sure that the outlet of the exhaust air is always ensured and not obstructed by other objects Ensure a minimum distance...

Page 5: ...Info Aktobis de Description of the unit parts Supply air Transport handle Air filter screen Condensation tank compartment Impellers Exhaust air Tank full signal light Electricity consumption meter kW...

Page 6: ...t 3 minutes or be switched off before you press the main switch I O again In case of cold ambient temperatures or icing in the unit a sensor automatically controls a defrosting process Meanwhile the d...

Page 7: ...assumed that the air intake is reduced by the dirty air filter screen or that dirt and dust has been deposited on the cooling fins This can sometimes even be the case daily on dusty construction sites...

Page 8: ...n only remove moisture from the air and only indirectly from materials screed plaster Depending on the condition of the ceilings walls and fixtures it can take several weeks before they release the st...

Page 9: ...voltage or non observance of the assembly instructions Completely or partially dismantled units Conformity The building dryer has been tested and itself and or parts thereof have been manufactured und...

Page 10: ...____________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________...

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