Commercial Dehumidifiers, Industrial Dehumidifiers, Refrigerant Dehumidifiers

FRAL Refrigerant Dehumidifier FDHE402

  • Sensible heat recovery system
  • 30% to 50% energy saving
  • Low humidity (25%) working range
  • Two pivoting and two fixed wheels
  • Zinc plated and powder-coated sturdy frame
  • Ecologic gas R407c
  • Continuous drainage pipe
  • Condensed water lifting pump (optional)
  • Special defrosting device with electronic and thermostatic control (optional)
  • Automatic humidistat
  • Centrifugal fan motor – ductable over short distances
  • Power supply 220-240V 50Hz
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Product information

The FRAL FDHE402 is a commercial refrigerant dehumidifier engineered with an advanced sensible heat recovery system that delivers 30% to 50% energy savings compared to conventional units. This robust unit operates effectively down to 25% humidity levels, making it ideal for facilities requiring precise low-humidity control with maximum energy efficiency.

Key Features

  • Sensible heat recovery system reduces energy consumption by 30-50% compared to standard dehumidifiers
  • Operates effectively in low humidity environments down to 25% relative humidity
  • Mobile design with four wheels (two pivoting, two fixed) and zinc-plated powder-coated frame for durability
  • Centrifugal fan motor with short-distance ducting capability for flexible installation
  • Automatic humidistat control with optional electronic defrosting system for continuous operation

Typical Applications

This energy-efficient unit is well-suited to commercial and industrial facilities requiring precise humidity control below normal operating levels. The heat recovery technology and low humidity capability make it ideal for manufacturing environments, storage facilities, and technical spaces where energy costs and consistent low humidity are critical factors.

This “special” dehumidifier has been designed by the engineers at FRAL to operate down to as low as 25% with an energy saving of between 30% and 50% on conventional dehumidifiers. This dehumidifier operates with a unique heat recovery system and this is one of the reasons these figures can be achieved.

Warranty: 2 years

Power Consumption (at 20˚C, 60% rh) 700 w
Power Consumption (at 32˚C, 90% rh) 950 w
Absorbed Current (at 35˚C, 95% rh) standard ver. 4.4 A
Locked Rotor Current LRA 20 A
Air Flow 1000 cm/h
Noise level (at 3 meters) 54 dB
Refrigerant R410c
Hot Gas Defrost System (optional)
Continuous Drainage Pipe (male) 19mm
Temperature Range standard version 7-35˚ C
Relative Humidity Range 30-98%
Weight 52 kg
Dimensions w x h x d 66cm x 71cm x 35.5cm

CONDENSED WATER AT DIFFERENT AMBIENT TEMPERATURE AND HUMIDITY CONDITIONS

15˚C40% 15˚C50% 15˚C60% 20˚C40% 20˚C60% 25˚C40% 25˚C60% 30˚C40% 30˚C80% 32˚C90%
18 l/d 22 l/d 31 l/d 22 l/d 38 l/d 28 l/d 46 l/d 28 l/d 75 l/d 96 l/d

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