THERMOVENT air curtains for service doors and factory gates
FRIGOVENT air curtains for cold store doors and freezer rooms

What characterizes THERMOVENT air door systems?

1. Air curtain in cantilever construction for mounting on large gates.

The housing of the air curtain system can be mounted cantilevered over a distance up to 8 meters. During assembly, the system is placed on two brackets, which are mounted next to the door opening. On the brackets, the air curtains can be pushed in an optimal position to the door ope-
ning. So the Thermovent is particulary suitable for extra-wide door openings with overhead doors, sliding gates and rolling doors.
These doors can move freely behind the air curtain system.

2. Even in continuous operation extremely
low power consumption and quiet

All systems can alternatively be equipped with energy-saving EC fans with electronically commutated electric motors. The EC motors are the result of a very complex development.
These motors work with an extremely low power consumption.
They are very simple and very suitable for continuous operation and characterized by a very low operating noise.
The power consumption at full load is only half as high as of normal motors.
When the speed of the blowers is regulated down, the power consumption falls further analogous to the speed.

3. High operating safety.

Whenever the door is opened, a proximity switch activates the air curtain just when the door is removed from the switch.
So the fans are already powered up when the door is fully opened.
This is a special switch. It is completely sealed without any moving parts.
It is totally waterproofed and works with an ope-
rating current of only 24 volts.
It is a security switch, which cannot cause any electrical accidents.




4. Laminar homogeneous turbulence-free airflow.

Thermovent air curtains can be installed on the warm or cold side of the wall above the door.
We suggest the installation on the warm side. The blowers draw in warm air from the higher indoor range and blow it through the outlet nozzle with the air rectifier down.
This rectifier is made out of hundreds of small blowpipes.
In this way a turbulence-free particularly homo-
geneous air stream is generated. The air stream is sufficient with the large Thermovent type S to reach up to six meter far to the ground.
Heating of the air stream for a good function is not neccessary.

5. Fast and easy service.

The system is controlled electronically.
There is a slide-in control with the electronics and all critical components, such as:

- The control of the fan speed.
- The circuit of the fan by contactless relays.
- The generation of the safety current -
24 Volt DC - for the proximity switch.
- The waterproof connector for this switch.

In case of failure, this slide-in control can be pulled by the operator and exchanged with a new one quickly.
This eliminates time-consuming troubleshooting and allows a quick repair.
So a global fast service is available.


6. Very long life, quiet, maintenance-free and reliable.

The system is made corrosion-resistant and sound-insulated.
The outlet nozzle and the housing consists of a modern sandwich, core material - plastic with painted aluminum surfaces.
Very good properties with respect to insulation, corrosion and stability.
The blowers have the protection class IP 44 and are galvanized.
The remaining Thermovent parts are produced from solid polyethylene - the consoles and all screws - are made from stainless steel.
Very long service life, quiet, maintenance-free and reliable.