FRAL Refrigerant Dehumidifier FD750

  • Functioning at under zero temperature (optional)
  • Hot gas defrosting device with electronic & thermostatic control (optional)
  • Automatic humidistat (or remote control)
  • Fittings for continuous draining connection
  • Available in double version air supply: horizontal or upper air supply
  • High and low pressure switches
  • Scroll compressor
  • Very strong aluminium pipe frame with galvanised and painted steel panels
  • Three speed fan

Product information

The FRAL FD750 is a heavy-duty refrigerant dehumidifier designed for large-scale commercial and industrial moisture control applications. With optional sub-zero operation capability and hot gas defrosting, this unit delivers reliable performance in demanding environments where continuous drainage and robust construction are essential.

Key Features

  • Scroll compressor technology with high and low pressure switches for reliable operation and protection
  • Optional sub-zero temperature operation with electronic and thermostatic hot gas defrosting system
  • Robust construction featuring strong aluminium pipe frame with galvanised and painted steel panels
  • Flexible installation options with horizontal or upper air supply configurations and double version availability
  • Three-speed fan with automatic humidistat control or remote operation for precise moisture management

Typical Applications

This heavy-duty dehumidifier is engineered for large manufacturing buildings, warehouses, commercial agricultural facilities, military armouries and mining industry applications. The unit’s high-capacity design and robust construction make it suitable for environments requiring substantial moisture removal and continuous operation.

If you are considering installing this large capacity dehumidifier, you are already thinking big.  It is capable of removing nearly a tonne of water.  The FD980 will remove up to 980 litres of water in a 24 hour period.

Large manufacturing buildings, warehouses, commercial agricultural facilities, military armouries or the mining industry are the applications this heavy duty unit is designed for.

TECHNICAL DATA

Power Consumption (at 20˚C, 60% rh) FD750

9000 w

FD980

11200 w

Power Consumption (at 35˚C, 95% rh) 11000 w 13000 w
Absorbed Current (at 35˚C, 95% rh) standard 22 A 28 A
Locked Rotor Current LRA stand. Ver. 230/1/50 80 100
Noise level (at 3 meters) 67 dB 70 dB
Refrigerant R407c R407c
Defrost Control System Electronic Electronic
Hot Gas Defrost System (optional) Electronic thermostat Electronic thermostat
Continuous Drainage Pipe (male) 19mm 19mm
Temperature Range standard version 7-35˚ C 7-35˚ C
Temperature Range hot gas defrost. version 0.5-35˚ C 0.5-35˚ C
Relative Humidity Range 45-99% 45-99%
Condensation Capacity (at 30˚C, 80% rh) 600 l/24 hr 870 l/24 hr
Condensation Capacity (at 32˚C, 90% rh) 750 l/24 hr 980 l/24 hr
Weight 230 kg 320 kg
Dimensions 200 x 130 x 160cm 200 x 130 x 160cm

Note:  3 phase power supply required

AIR FLOW WITH DIFFERENT HEAD PRESSURES

Available head  pressure (Pa)

180

200

220

240

260

280

300

Air flow cm/h FD750 (middle fan speed)

6200

6100

6000

6000

6000

5900

5800

Air flow cm/h FD980 (max fan speed)

8500

8300

8200

8100

8100

8000

8000

CONDENSED WATER AT DIFFERENT AMBIENT TEMPERATURE AND HUMIDITY CONDITIONS – FD750

10˚C
60%
10˚C
80%
15˚C
60%
15˚C
80%
20˚C
60%
20˚C
80%
25˚C
60%
25˚C
80%
27˚C
65%
27˚C
80%
30˚C
80%
32˚C
90%
110 l/d 190 l/d 160 l/d 250 l/d 280 l/d 320 l/d 290 l/d 400 l/d 340 l/d 460 l/d 600 l/d 750 l/d

CONDENSED WATER AT DIFFERENT AMBIENT TEMPERATURE AND HUMIDITY CONDITIONS – FD980

10˚C
60%
10˚C
80%
15˚C
60%
15˚C
80%
20˚C
60%
20˚C
80%
25˚C
60%
25˚C
80%
27˚C
65%
27˚C
80%
30˚C
80%
32˚C
90%
150 l/d 270 l/d 220 l/d 390 l/d 330 l/d 490 l/d 400 l/d 570 l/d 490 l/d 670 l/d 870 l/d 980 l/d

Performance Charts

Installation Examples