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

www.AKTOBIS.de

 

Email: [email protected] 

 
 
 
 

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 or compressor rattles loudly. 

 
 

Important operating and safety instructions regarding the refrigerant R290 in this unit: 

(Read these instructions carefully and observe them before using the unit !) 

 

  The refrigerant R290 complies with the European environmental directives ! 

  The unit operates with the refrigerant R290. This refrigerant is highly flammable and 

explosive if the safety instructions are not observed! 

  The unit contains 0.125 kg of refrigerant R290 - the maximum permitted charge of refrigerant 

R290 for dehumidifiers is 0.3 kg ! 

  The minimum air circulation is 160 m³/h ! 

  The appliance must be stored in a room without continuously operating ignition sources (e.g. 

open flames, an operating gas appliance or an operating electric heater). 

  Protect the unit and especially the parts installed inside from damage or flames/heat ! 

  Please note that the refrigerant is odourless and therefore a leak cannot be detected 

immediately by an emerging odour ! 

  If refrigerant leaks, it may ignite or explode, especially in poorly ventilated rooms in 

conjunction with high heat, sparks or flames ! 

  Make sure that the outlet of the exhaust air is always ensured and not obstructed by other 

objects ! 

  Set-up, operation and storage of the unit should take place in a room with a minimum size of 

m2 !

 

  Pack the unit carefully when you are no longer using it to protect it from damage ! Be careful 

when storing the unit to avoid mechanical faults. 

  When cleaning, proceed strictly according to the manufacturer's instructions and do not use 

any additional heat sources to possibly accelerate the defrosting process of the appliance! 

  Never work on the cooling circuit or parts containing refrigerant yourself ! 

  Only persons authorised and certified by an accredited agency to handle refrigerants should 

work on the refrigerant circuit. 

  If the mains lead of this appliance is damaged, it must be replaced by the manufacturer or its 

after-sales service or a similarly qualified person in order to avoid hazards. 

  The unit must be installed according to the national installation regulations. 

  Do not use any objects, except those permitted by the manufacturer, to accelerate the 

defrosting process. 

  Do not drill or burn. 

 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for WDH-930EEW

Page 1: ...ransport can sometimes occur despite careful instructions on the carton Therefore we ask you to let it stand upright for at least4 hours before using it for the first time so that the refrigerant in t...

Page 2: ...and in the worst case to overheating and or fire Make sure that no moisture gets to the electrics of the unit Only use the recommended voltage for operating the unit Make sure that the power cable is...

Page 3: ...es heat Please note that the refrigerant is odourless and therefore a leak cannot be detected immediately by an emerging odour If refrigerant leaks it may ignite or explode especially in poorly ventil...

Page 4: ...trolled procedure to minimise the risk of flammable gases or vapours being present during the execution of the work 2 general work area All maintenance personnel and other persons in the vicinity must...

Page 5: ...t and the ventilation outlets are running properly and are not blocked 8 testing of the electrical equipment Before repairing and maintaining electrical components preliminary safety checks and inspec...

Page 6: ...re considered acceptable for systems containing flammable refrigerants Electronic leak detectors must be used to detect flammable refrigerants but their sensitivity may not be sufficient or they may n...

Page 7: ...filling but before commissioning A verification leakage test must be carried out before leaving the site 16 decommissioning Before performing this procedure it is necessary for the technician to be fu...

Page 8: ...reprocessing The reprocessing plant shall be in good working order with appropriate instructions concerning the respective equipment and shall be suitable for the reprocessing of flammable refrigerant...

Page 9: ...r 20 D 63110 Rodgau Germany www AKTOBIS de Email info aktobis de Description of the unit parts Air filter Castors Condensation tank Carrying handle Air intake Control panel Blower Output Connection po...

Page 10: ...back in place and wait approx 30 minutes so that the internal coolant can settle again 1 2 Insert the mains plug properly into the socket 1 3 Check that the condensation tank is properly seated in th...

Page 11: ...itches to standby mode and the signal light stops flashing To reactivate the WLAN function switch off the unit and then press and hold the On Off button for 5 seconds until you hear a tone confirming...

Page 12: ...orsigstr 20 D 63110 Rodgau Germany www AKTOBIS de Email info aktobis de 3 6 Proper drainage of condensation water with hose connection Make sure that the hose always has a slight slope see the followi...

Page 13: ...liance This is dangerous 5 Cleaning 5 1 Cleaning the housing a Please disconnect the mains plug before cleaning the construction dryer b Only use mild cleaning agents to clean your construction dryer...

Page 14: ...ay from walls and ceilings because otherwise the humidity value determined for the room air will be falsified As with all building dryers the dehumidification performance is decisively influenced by t...

Page 15: ...mpletely or partially dismantled units Conformity The construction dryer has been tested and itself and or parts thereof have been manufactured under the following safety standards T V Rheinland GS te...

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