Reznor UDSA Gas Air Heater

UDSA Gas Air Heater – efficient to the peak

The most well-known unit from REZNOR is the gas air heater UDSA, which ensures even air distribution in industrial halls. The easy-to-install recirculation unit is available in 14 output sizes from 7 to 97 kW and consists of a heat exchanger, gas burner and a flue gas fan. The combustion air can be drawn either from outside as standard or from the showroom.

The UDSA gas air heater from REZNOR ensures even air distribution in the heated hall. Its patented heat exchanger sets new standards in terms of flow behaviour and heat transfer and ensures an efficiency of over 92 percent.

UDSA: compact, revolutionary and pioneering.
With this generation of units, halls can be heated in a particularly economical way directly – that is, without central heating – using decentrally arranged, modulating gas air heaters.

REZNOR UDSA
Gas Air Heater. The advantages:

Efficiency of more than 92%
Unit is also suitable for vertical installation
low NOx emission
innovative combustion concept
quiet operation
with CE system certification, design B or C
compact design for easy installation
even heat distribution
vertical and horizontal air deflector vanes as standard
Modulation of heating output up to 50%
EC technology
ErP Ready

These units are directly heated gas air heaters with fan-assisted atmospheric multi-gas burners.
The installation of the gas air heater, the gas and flue gas connections may only be carried out by an approved installation company.

The gas air heaters are suitable for:
- Natural gas or liquefied gas operation
- Recirculation operation
- Intake temperatures below 5°C with stainless steel heat exchanger*
- Heating operation 1-stage or 2-stage* control via room thermostat and heating control switch
- Ventilation° control via ECOtronic TN - L° with day-night weekly programme Flue gas discharge via roof, design B or C° Flue gas discharge through the exterior wall, design C°

Gas air heater type: UDSA055-4E
Gas appliance type: B22P-C12-C32-C52-C62
Country: DE
Gas category: I2ELL
Gas type: G20 Natural gas
Connection pressure: 20 mbar
Nozzle pressure: 8.40 mbar
Max. rated heat input (Hs) QN: 66.04 kW
Max. rated heat input (Hi) QN: 59.50 kW
Min. rated heat input (Hs) QN: 33.02 kW
Min. rated heat input (Hi) QN: 29.75 kW
Max. rated heat output: 54.74 kW
Min. rated heat output: 26.92 kW
Supply voltage: 230V 1N, 50Hz
Air volume flow: 5830 m3/h
Protection class: IP20
Pin No. 0461BN0677

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Gas air heater type: UDSA055-4E
Gas appliance type: B22P-C12-C32-C52-C62
Country: DE
Gas category: I2ELL
Gas type: G20 Natural gas
Connection pressure: 20 mbar
Nozzle pressure: 8.40 mbar
Max. rated heat input (Hs) QN: 66.04 kW
Max. rated heat input (Hi) QN: 59.50 kW
Min. rated heat input (Hs) QN: 33.02 kW
Min. rated heat input (Hi) QN: 29.75 kW
Max. rated heat output: 54.74 kW
Min. rated heat output: 26.92 kW
Supply voltage: 230V 1N, 50Hz
Air volume flow: 5830 m3/h
Protection class: IP20
Pin No. 0461BN0677