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DEHUMIDIFIER DEHUTECH 440
TECHNICAL MANUAL
SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE

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Summary of Contents for cliMATE DEHUTECH 440

  • Page 1 DEHUMIDIFIER DEHUTECH 440 TECHNICAL MANUAL SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE...
  • Page 2: Table Of Contents

    TECHNICAL MANUAL DEHUMIDIFIER DEHUTECH 440 CONTENTS GENERAL SAFETY INFORMATION ...............3 APPLICATIONS .......................3 METHOD OF OPERATION ..................4 PRODUCT DESCRIPTION ..................4 Casing ........................4 Rotor ........................4 Filter .........................5 Fan for process- and reactivation air ...............5 Heater for reactivation air ..................5 Electrical panel ......................5 Operation options ....................5...
  • Page 3: General Safety Information

    DEHUMIDIFIER DEHUTECH 440 GENERAL SAFETY INFORMATION • Anyone operating the DehuTech 440 should have access to this manual, and should be aware of the safety information. • Only personnel with adequate knowledge of the dehumidifier should be allowed to oper¬ate and service it.
  • Page 4: Method Of Operation

    TECHNICAL MANUAL DEHUMIDIFIER DEHUTECH 440 METHOD OF OPERATION The dehumidifier operates with two air streams. A larger air stream to be dehumidified, and a smaller air stream to exhaust the moisture out of the desiccant rotor. Both airstreams are created by one common fan which pressurises a compartment of the dehu-midifier creating two separate airstreams.
  • Page 5: Filter

    TECHNICAL MANUAL DEHUMIDIFIER DEHUTECH 440 The slow rotation of the rotor is achieved by an electrical gear motor and a belt drive. The belt sits on the outer rim of the rotor and is driven by a pulley on the drive motor. A adjustable belt tension device keeps the belt in place and main-tains tension to prevent belt slip.
  • Page 6: Installation

    INSTALLATION Installation and service access Dehumidifier DehuTech 440 is designed for indoor installation. All components in the dehumidifier are acces-sible from the top of the unit. For inspection and service, a space of 400 mm must be left free above the dehumidifier to accommodate for servicing of filter, fan and rotor.
  • Page 7: Temporary Installation

    TECHNICAL MANUAL DEHUMIDIFIER DEHUTECH 440 Temporary installation With temporary installations for water damage or building drying, flexible plastic ducts would normally be used instead of the spiral duct type. The drying method differs depending on situa¬tion and construction to be dried. The complete room could be dehumidified, or just the dam¬aged part.
  • Page 8: Maintenance

    TECHNICAL MANUAL DEHUMIDIFIER DEHUTECH 440 MAINTENANCE NOTE ! With all maintenance and service of the dehumidifier: • Switch off the dehumidifier approximately 15 minutes prior to opening the service panel, allowing the heater to cool down. Disconnect the dehumidifier from main electrical supply by turning the external switch to the off position •...
  • Page 9: Rotor Drive Belt

    TECHNICAL MANUAL DEHUMIDIFIER DEHUTECH 440 Rotor drive belt Check the belt tensioning at regular intervals. Adjust when needed by moving the tensioning support wheel closer to the desiccant rotor. General summary of maintenance Filter Rotor Bearing Motors Rotor drive Heater...
  • Page 10: Technical Data

    TECHNICAL MANUAL DEHUMIDIFIER DEHUTECH 440 Drive belt is slipping Check belt tensioning Drive belt broken or worn Replace drive belt Rotor does not rotate Rotor jammed Check centre shaft, rim of rotor Drive motor faulty Replace complete gear motor Filter clogged...
  • Page 11: Electrical Wiring

    TECHNICAL MANUAL DEHUMIDIFIER DEHUTECH 440 ELECTRICAL WIRING Page 11...

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