XR 50

Gas-fired unit air heater, 50 kW

  • Improved efficiency
  • Heating and air circulation
  • Quick warm up
  • Economical energy consumption
  • Reliable design
XR 50

Gas-fired unit air heater, 50 kW

  • Improved efficiency
  • Heating and air circulation
  • Quick warm up
  • Economical energy consumption
  • Reliable design

Description

The XR 50 is a compact air heater with axial fan. The unit has a capacity of 50 kW and does not need a condensate siphon. The pre-mix burner and the system fan both have stepless modulation down to 60% output. These features ensure a constant and even temperature in the building.

Features

  • modulating premix burner and fan 
  • delta T-control optimizes energy consumption   
  • variable air discharge 
  • vertical air discharge possible     
  • summer ventilation
  • compact and low weight 
  • available in natural gas or propane version 
  • installation friendly   
  • simple maintenance 
  • controller can operate up to 8 heaters   

Technical features

Nominal power 49.9kW
Nominal load lower value 55kW
Efficiency 93.3%
Air volume 0m³/h - 5150m³/h
Max. throw horizontal 28m
Max. throw vertical 7m
Supply voltage 230V
Nominal current 2A
Max. electric power input 450W
Max. sound level (at a distance of 4 metres) 47dB(A)
Material heat exchanger Stainless steel
Closed version Yes
Burner controller high/low No
Burner controller, modulating Yes
Control signal on/off Yes
Control signal 0-10 V No
Fan type Axial
Degree of protection (IP) IP00B
Height 670mm
Width 795mm
Depth 800mm
Weight 80kg
Min. mounting height (horizontal air distribution) 2.7m
Outer pipe diameter combustion air 100mm
Seasonal space heating energy efficiency (Ns) 74.1%
Connection, fuel External thread
Nominal diameter fuel 3/4 inch (20)
Gas consumption low-calorific natural gas (G25) 6.6m³/h
Gas consumption propane (G31) 4.4kg/h
Gas consumption high-calorific natural gas (G20) 5.8m³/h

Images

Accessories

Controls
Suspension
Other
  • GX4001
    Set vertical louvres HR 30-40 + XR 40-60
    Article number GX4001
    More information
Flue material

Service articles

View our service parts for the XR 50 (and earlier models) in the parts shop.

Parts shop

Winterwarm XR-range

The Winterwarm XR heater is a gas-fired unit air heater for highly efficient heating of all types industrial and commercial buildings.

All Winterwarm XR types