These extra-large air flow, high-capacity desiccant dehumidifiers are manufactured with an insulated epoxy-painted casing and are fitted with an advanced controller interface as standard.
The range is highly suitable for all fields of application, especially those requiring extra high volumes of air to be treated.
The dehumidifiers are delivered pre-fitted with factory-mounted flanges. Once connected to ducting, they are ready for operation.
Thanks to their wide range of sizes and ability to operate between -20° and +40°C, the DRD desiccant dehumidifiers are ideal for complex humidity regulation. They offer extremely efficient humidity control for a wide range of industrial processing, food industry, pharmaceutical and similar challenging applications.
The DRD desiccant dehumidifiers operate through moisture absorption by means of a rotor-reinforced composite on which absorbing elements are permanently fixed. Capable of creating dew points as low as -60°C, this rotor drying technology makes the dehumidification process very effective even under extreme conditions (-20°C/+40°C). It also ensures a continuous dehumidification process, with expulsion of the humid air to the outside without having to remove condensed water. Moreover, when required, the rotor can be washed without altering its operating characteristics.
Electrical control and command
The electric control panel is complete with electrical wiring for power supply voltages at 400Vac 3Ph + PE and 230Vac 1Ph+N for the smaller sizes.
The panel comes equipped with Power On command and a voltage transformer for auxiliary circuit control. The contactor-initiated fan motors for process and reactivation are of the EC type. They have been fitted with magneto-thermal protection and they can be reset manually. Regulation and control of the unit is handled by a microprocessor board for optimal performance. The controller comes equipped with RS 485 and/or TCP/IP connections.
The functions related to the control panel are:
- Regeneration air temperature control
- Management of manual or automatic operation via the external humidistat (optional)
- Safety thermostat electric heater element with regeneration release to launch voltage magneto-thermal protection
- Regeneration cool down timing
- Reporting to display unit status and alarms
- Pre and post cooling or heating temperature control (optional)
The DRD range have been designed with a sturdy self-supporting base and structure with sandwich panels. All panels are insulated on the inside with a 25mm layer of mineral wool.
Effective dehumidification with very low dew-point, even under extreme conditions (-20°C/+40°C)
Variety of sizes to cater to different operational needs and conditions
Electric or steam, reactivation with optional features on demand
Sturdy and non-flammable rotor capable of withstanding heat and saturated air
G4 filters mounted in air and high-temperature regeneration inlets
The integrated alarm notifies you when filters are dirty and required replacement
PLC control with intuitive touch-screen terminal and remote connection via RS485 or TCP/IP
EC fans on process and regeneration air
The units can be customised to your installation requirements on request installation needs
Storage of hygroscopic materials
Dry air storage
Museums and archives
Corrosion class for the interior is C3 (Aluzink 150, ISO 12944) and C4 for painted housing
Three-phase 50 or 60Hz
Reactivation air in/out on same side
Advanced user interface with RS485 and/or TCP/IP protocol
G4 filters for process and reactivation
Ventilated electric panel
Can be customised
Dehumidification capacity @ 20°C/60% RH
Process air flow
Regeneration air flow
Product size (l x w x h)
Accessories and consumables
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