Fral FDK44
Professional dehumidifier

Fral FDK 44S - Professional Dehumidifier for Industry with Continuous Drain

The Fral FDK44 dehumidifier is a professional dehumidifier equipped with a hot gas defrost system with electronic and thermostatic control.
This industrial dehumidifier is designed to control and maintain humidity even in hostile environments or in all those situations where humidity could cause damage to people and objects such as books, archives, works of art or electronic systems.

The FDK series from the Made in Italy Fral brand has a high efficiency polyurethane filter , washable and easily replaceable for simplified maintenance.

Fral FDW44S is equipped with carrying handles , rubber feet and a mechanical dehumidistat pre-installed on the machine.

How a dehumidifier works

A dehumidifier is a machine that sucks in air and filters it. The air passes through a radiator filled with refrigerant gas .

The low temperature condenses the humidity present, collecting the waste liquid in a tank. The dehumidifiers of the FDK Fral line are equipped with a hot gas defrost system with electronic and thermostatic control, managing to work with temperatures even close to 0°C.

Functional specifications

Robust structure in galvanized sheet metal

Fral FDK 44S is made up of hot-dip galvanized sheets which are subsequently painted using epoxy powders, thus ensuring high resistance to atmospheric agents and aggressive environments.

Compressor

The compressor mounted on the Fral FDK44 dehumidifier is of the rotary type mounted on vibration dampers.

Refrigeration circuit

The evaporator and condenser coils are made of copper tubes and aluminum fins .

Fixed exhaust

The Fral FDK44 dehumidifier does not have a condensate collection container, therefore it needs to be connected to a fixed drain.

Condensate lifting pump

To avoid the need for a fixed drain, it is possible to separately equip your Fral FDK44 dehumidifier with the condensate lifting pump kit which, connected externally to the machine, allows you to expel the condensed water up to a height of 3.5 m. relative to the point where the dehumidifier is located. This kit is preventively equipped with malfunction alarms aimed at avoiding unwanted effects such as blockages or water leaks.

Axial fan

The fan mounted on the FDK line is of the statically and dynamically balanced axial type.

Hot gas defrost

It allows the use of the dehumidifier in environments with temperatures up to 0.5°C , it is a special hot gas injection system to speed up the defrosting of the ice formed in the evaporator.

Air filter

The air filter with which Fral FDK44 is equipped is made of polyurethane and is entirely washable and easily replaceable for better maintenance.

Washable air filter

Made of polyurethane , the Fral FDK44 air filter is washable and easily replaceable. High efficiency filter .

Microprocessor

The Fral FDK44 microprocessor controls the defrost cycles , the compressor timer and the alarm board.

Pre-installed dehumidistat

The dehumidistat is mechanical and is located on the side of the machine. Complies with European regulations.

Technical specifications

This dehumidifier for industrial spaces is the ideal machine for removing and/or controlling the humidity of rooms . Its air flow rate is 450 m³/h with an average nominal absorbed power of 550 W (maximum power 700 W). Fral FDK44 uses R290 gas both for operation and for the defrost system.

The industrial dehumidifier in question has 4 rubber feet , a carrying handle to facilitate transport and a sturdy powder-coated structure to resist atmospheric and aggressive agents. The noise level of this machine is 51 dB(A) and is designed to be used with a fixed drain or with the optional kit with condensate lifting pump with 3/4" connection .

Operation ranges:

T < 30°C = relative humidity between 35% and 98%
T 30 - 32°C = relative humidity between 35% and 90%
T 32 - 35°C = relative humidity between 35% and 70%

Condensed water at different temperatures