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

www.AKTOBIS.de

 

Email: [email protected] 

 
 

Technical data: 

 

Model name:   

 

 

 

WDH-930EEW 

 

Voltage: 

 

 

 

 

220-240V / 50Hz

 

 

Maximum power consumption:

 

 

495 W

 

 

Dehumidification capacity (optimal):   

40 ltr./day (35°C / 90% r.h.)

 

 

Dehumidification capacity (standard): 

 

35 ltr./day (30°C / 80% r.h.) 

 

Max. Air circulation: 

 

 

 

180 m³/h 

 

Max. Noise emission:   

 

 

49 dB (A)

 

 

Compressor:   

 

 

 

Rotary compressor 

 

Condensation tank: 

 

 

 

Approx. 5.5 litres 

 

Refrigerant: 

 

 

 

 

R290 (125g) 

 

Cooling pressure (max.): 

 

 

2.4 MPa 

 

Vapour pressure (max.): 

 

 

1.2 MPa 

 

Signal strength: 

 

 

 

15.92 dBm 

 

Dimension (H/W/D):

 

 

 

 

545 x 340 x 250 mm

 

 

Weight:

 

 

 

 

 

15 kg 

 

Fuse:

   

 

 

 

 

T1A.L 250V 

 

Range of use:

   

 

 

 

5°C ~ 32°C 

 
 

Troubleshooting: 
 

The unit does not dehumidify enough / Too little water collects in the condensation tank 
 
Please remember that the primary aim is not to gain as much condensation water as possible, but to dry and/or 
keep dry the room air or ceilings, walls and inventory ! 
 
Furthermore, remember that the building dryer can only remove moisture from the air and only indirectly from 
materials. Depending on the condition of the ceilings, walls and fixtures, it can take several weeks before they 
release the stored moisture back into the air! For this reason, we also recommend that if you use your own humidity 
meter (hygrometer), you place it as freely as possible and somewhat away 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 the following factors: 
A) humidity content of the room air and B) heat/temperature in the room. 
Therefore, for safety's sake, here is an excerpt from the dehumidification table at DAUERBETRIEB: 
 

35 degrees 

and 80% r.h. = approx. 37 litres  and at 90% r.h. = approx. 40 litres  and at 60% r.h. = approx. 20 litres 

30 degrees 

and 80% r.h. = approx. 35 litres  and at 90% r.h. = approx. 37 litres  and at 60% r.h. = approx. 18 litres 

20 degrees 

and 80% r.h. = approx. 18 litres  and at 90% r.h. = approx. 21 litres  and at 60% r.h. = approx. 11 litres 

15 degrees 

and 80% r.h. = approx. 14 litres  and at 90% r.h. = approx. 17 litres  and at 60% r.h. = approx. 8 litres 

10 degrees 

and 80% r.h. = approx.   9 litres  and at 90% r.h. = approx. 12 litres  and at 60% r.h. = approx. 6 litres 

  5 degrees 

and 80% r.h. = approx.   8 litres  and at 90% r.h. = approx.   9 litres  and at 60% r.h. = approx. 5 litres 

 
All data are approximate per day (fluctuation tolerance) when measured directly at the unit inlet and, of course, 
these values only apply if the temperature and moisture content remain constant!

 

 
Despite the hose connection, most of the water runs into the condensation tank 
 
Check that the condensation hose has a slope and is neither kinked nor blocked. Furthermore, check that the 
building dryer has a straight stand and that the castors are not necessarily in the joints on a tiled floor. 
 
 

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...

Page 16: ...____________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________...

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