ATDI
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overview
ATDI air unit heaters heat air with liquid, steam, or oil.
ATDI units are designed to be sturdy and flexible with a number of possible combinations in terms of heat exchangers, motors, and casings.
Technical Information
Sizes
- ATDI is available in sizes 44, 55, and 66.
Airflow direction
- Liquid heaters can be installed for both horizontal and vertical airflow.
- Steam heaters may be installed for horizontal airflow only.
Performance ranges
- Airflow up to 2.2 m3/s.
- Capacity from 10 to 75 kW (depending on the heat exchanger choice).
Coil features
- High heat exchange efficiency.
- Designed with fins of aluminum, coated aluminum, copper, aluzink coated or galvanized steel.
- Tubes of copper, galvanized steel, or acid proof steel.
Casing features
- Made of a galvanized sheet metal.
Fan & motor features
- Single-phase 230 V or three-phase 400 V power supply.
- Protection grade: IP 44: size 30, 33, 44. IP 54: size 55, 66.
- External or internal rotor type.
- Maximum operating temperature +50 °C on air inlet, inside up to +325 °C, depending on material and type of media.
- Fan impeller and protective grille made with sheet steel/wire, painted black.
Miscellaneous
- One air deflector is included as standard.
Testing
- Heat exchangers are leakage tested using dry air under water.
Downloads
Coils Selection Software
COILS selection software is all you need to make the right choice from Coiltech® branded product range.
The calculation COILS provides illustrates operating conditions, dimensions, weight and volume of the coil selected. In addition, printable projecet information shows comprehensive data and dimensional drawings.
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