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Summary of Contents for Dehutech 450
- Page 1 DEHUMIDIFIER DehuTech 450 Technical Manual Valid from serial no: 030311 © 2002 DehuTech AB...
- Page 2 187 40 TÄBY Sweden declare under own responsibility that the product: Dehumidifier DehuTech 450 (type DA-450 in Swedish market) from unit no 030311 which is detailed in this declaration complies to the following harmonised European standards and technical specifications: SS-EN 60335-1 issue 2...
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Page 3: Table Of Contents
Filter..................................10 Rotor..................................10 Electrical motors..............................10 Heater..................................10 Rotor drive belt...............................10 General summary of maintenance intervals......................11 Transportation............................11 Fault finding...............................12 Technical data.............................13 Performance chart..............................13 Dimensions................................14 Technical data.................................14 Spare parts list............................15 Electrical wiring............................16 Electrical components..........................17 Miscellaneous / Notes..........................18 Subject to change without notice DehuTech 450... -
Page 4: General Safety Information
General safety information • Anyone operating the DehuTech 450 should • The service panels should remain closed have access to this manual, and should be except when serviceing is carried out. aware of the safety information. • The dehumidifier can only be used for dehu- •... -
Page 5: Applications
Applications Method of operation Dehumidifier DehuTech 450 is of the solid des- The dehumidifier operates with two air streams. iccant wheel type designed to dry air of atmos- A larger air stream to be dehumidified, and a pheric pressure. The dehumidifier can be used... -
Page 6: Product Description
The complete rotor part can easily be removed and lifted as one piece out from the casing. Filter The dehumidifier has two separate filters. One in the process air inlet, and one in the reactivation air inlet. Subject to change without notice DehuTech 450... -
Page 7: Installation
In some installations, Installation and service access as an alternative, the reactivation air can be Dehumidifier DehuTech 450 is designed for taken from the installation room, for this alterna- indoor installation. The dehumidifier should be tive no duct connection is needed. -
Page 8: Temporary Installation
Electrical installation See the electrical wiring diagram on page 16. Subject to change without notice DehuTech 450... -
Page 9: Commissioning
ON, or alternatively connect the power plug external signal. to the socket. See the electrical wiring diagram on page 16. Subject to change without notice DehuTech 450... -
Page 10: Maintenance
With severe contamination the rotor can be washed with water. Cleaning with water is no routine matter, please contact DehuTech AB or a local distributor prior to this procedure. Check the rotor bearing and the rotor surface once a year. -
Page 11: General Summary Of Maintenance Intervals
• Never put other goods on top of the dehu- midifier. • Transport and lift the dehumidifier by the two handles on each side of the transporta- tion box. Subject to change without notice DehuTech 450... -
Page 12: Fault Finding
Check centre shaft, rim of rotor Drive motor faulty Replace complete gear motor No dry- or wet air volume Filter clogged Clean or replace filters Fan faulty Check fan, motor and impeller Ducts blocked Check dampers and ducts Subject to change without notice DehuTech 450... -
Page 13: Technical Data
Technical data Performance chart CAPACITY DIAGRAM =30°C =20°C �10°C (g/kg) EXAMPLE: Process air: x = 9,0 g/kg, t = +20°C giving Dry air: x = 5 g/kg, t = 20+14,2 = 34,2°C Subject to change without notice DehuTech 450... -
Page 14: Dimensions
Dimensions Technical data Dehumidification capacity 2,2 kg/h (at +20 ºC and 60 % RH. See performance chart for other data) Dry air flow 450 m (freeblowing) Wet air flow 120 m (freeblowing) Power supply 3,5 kW (1 x 230 V, 50 Hz) -
Page 15: Spare Parts List
Heater PTC HR-AB PH2PA24014711 230 V Wet air duct Heat resistant flexcord Ø80 Rotor PPS 450 Belt tensioning Process air filter AAF R29 EN779:G3 220 x 420 mm React. air filter AAF R29 EN779:G3 220 x 195 mm Toggle switch 2x1 pol. -
Page 16: Electrical Wiring
Electrical wiring Subject to change without notice DehuTech 450... -
Page 17: Electrical Components
Weidmüller AB Terminal block 2-pin MA2,5/5 Blind panel, 48 x 48 11110 Tälje mätinstrum. Blind plug, 22,0-25,5 mm P208/4 OEM Component Cord, H07RNF/3 x 2.5/3,5m OEM Component Runtime meter Humidistat plug connection *) Option Subject to change without notice DehuTech 450... -
Page 18: Miscellaneous / Notes
Miscellaneous / Notes DehuTech AB Enhagsslingan 23 S-187 40 TÄBY Sweden Tel: +46 (0) 8 792 04 08 Fax: +46 (0) 8 792 55 59 E-mail: info@dehutech.com Website: www.dehutech.com Subject to change without notice DehuTech 450...