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Page 11 of 15 

Type 

 

 

AD 740 

AD 750 

AD 770 

AD 790 

Air volume 

cbm/h 

710 

710 

900 

1400 

Power 
consumption 

Max. 

Watt 

800 

900 

1015 

1700 

Noise level 

dB(A) 

53 

53 

53 

65 

Refrigerant (charge see 

type plate) 

R407c 

R407c 

R134a 

R407c 

Capacity / power consumption at 

30°C / 80% 

l/24h 

Watt 

42,0 

800 

55,0 

900 

70,8 

1015 

90,0 

1700 

27°C / 60% 

l/24h 

Watt 

26,8 

700 

34,1 

780 

44 

840 

58,3 

1400 

20°C / 60% 

l/24h 

Watt 

19,2 

600 

24,5 

660 

28,6 

710 

41,0 

1150 

10°C / 70% 

l/24h 

Watt 

11,0 

500 

14,0 

560 

17,5 

558 

20,0 

950 

dimensions 

mm 

880 x 520 x 495 

1000 x 640 x 580 

weight 

kg 

40 

42 

55 

61 

 

8.Service & maintenance 

 

ATTENTION 

When performing any repair or maintenance, the general safety rules and 
provisions must be adhered to! 

 

In order to guarantee a troublefree function of the dryer the device should be 
cleaned regularly. The following procedure is recommended: 

 

Ø

  Switch OFF the air dryer 

Ø

  Disconnect mains cable 

Ø

  Remove filter holder 

Ø

  Remove filter for cleaning or disposal 

Ø

  Dismount front panel 

Ø

  Blow out device cautiously with compressed air. (wear protective goggles!)  In 

this case, it might ensure that all components are cleaned. (Compressor, 
evaporator, condenser, ect.) 

Ø

  Check hose connector and connected hose 

Ø

  Mount front panel 

Ø

  Clean case with moist cloth. Do not use aggressive Detergent 

Ø

  Insert new or cleaned filter, Insert filter holder 

Ø

  Put main plug into the socket 

Ø

  Switch on dehumidifier. 

 
 

Содержание AD 740

Страница 1: ...Page 1 of 15 Instruction manual _____________________________________ Dehumidifier AD 740 750 770 790 _____________________________________ valid 02 2008...

Страница 2: ...50 6 5 4 Operation panel AD 770 790 7 5 5 Description of operation panel 7 5 6 Hygrostat control 7 8 5 7 Condensate outlet AD 740 750 9 5 8 Condensate outlet AD 770 790 9 5 9 Condensate pump option 9...

Страница 3: ...er to be able to send the device safe for guarantee repair In order to save space you open simply the adhesive tape with a knife and you fold the carton 2 Mode of functioning The AD air dryer is const...

Страница 4: ...tion dryers are intended for the drying of air with atmospheric pressure Risk by accessory Hoses for condensate removal and air filters must be fit expertly and must not take the protective devices of...

Страница 5: ...therwise it must be secured against rolling off That dehumidifier can be transported upright or laid flat The upright transportation is to be preferred if possible The appliance must be used exclusive...

Страница 6: ...eturn into the compressor We recommend this procedure since it extends the service life of the compressor Put the plug into the socket Check whether the bucket is placed in the unit AD 730 740 standar...

Страница 7: ...andard The unit has switched off because the humidity in thet room is ok has achieved the requested value 6 Hygrostat see 5 6 Hygrostat control 7 On Off Switch 8 Make sure a free space in front of air...

Страница 8: ...umidity values of a minimum of 40 45 r h can be achieved with a condensation dryer An adsorption dryer is to be employed if lower values are required For this purpose ask your technical consultant Opt...

Страница 9: ...ater tank at AD 770 790 optional extra does NOT disconnect the device in the case of full state During unattended using AD 770 790 with built in pump is advisable 5 9 Condensate pump optional Optional...

Страница 10: ...ooms of aggressive atmospheres for example ammonia and wood acid In rooms with water which shows a pH value outside of 7 0 to 7 4 Remark In The case of lower pH value corrosion occurs at all metals an...

Страница 11: ...NTION When performing any repair or maintenance the general safety rules and provisions must be adhered to In order to guarantee a troublefree function of the dryer the device should be cleaned regula...

Страница 12: ...s out of operation Fan and compressor does not run Is the dryer switched on The On Off switch must be in position I and must light up Is the unit supplied with voltage The On Off switch must light up...

Страница 13: ...se the dryer needs some time to remove that water and to achieve an acceptable humidity in that room ATTENTION The appliance must be repaired by trained and expert personnel only In the case of interv...

Страница 14: ...Page 14 of 15 11 Circuit diagram...

Страница 15: ...EN ISO 12100 Safety of Machinery EN 50081 1 92 Electromagnetic Compatibility EMC Basic Specification Emitted Interference EN 50082 1 97 Electromagnetic Compatibility EMC Basic Specification Emitted I...

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