XR 20
Gas-fired unit air heater, 20 kW
- Improved efficiency
- Heating and air circulation
- Quick warm up
- Economical energy consumption
- Reliable design
Description
The XR 20 is a compact air heater with axial fan. The unit has a capacity of 20 kW and does not need a condensate siphon. The pre-mix burner and the system fan both have stepless modulation down to 30% 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 and propane version
- installation friendly
- simple maintenance
- controller can operate up to 8 heaters
Technical features
Nominal power | 20.8kW |
---|---|
Nominal load lower value | 22.8kW |
Efficiency | 93% |
Air volume | 0m³/h - 2070m³/h |
Max. throw horizontal | 16m |
Max. throw vertical | 5m |
Supply voltage | 230V |
Nominal current | 1.1A |
Max. electric power input | 250W |
Max. sound level (at a distance of 4 metres) | 45dB(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 | 495mm |
Width | 755mm |
Depth | 605mm |
Weight | 37kg |
Min. mounting height (horizontal air distribution) | 1.7m |
Outer pipe diameter combustion air | 80mm |
Seasonal space heating energy efficiency (Ns) | 74.8% |
Connection, fuel | Internal thread |
Nominal diameter fuel | 1/2 inch (15) |
Gas consumption low-calorific natural gas (G25) | 2.7m³/h |
Gas consumption propane (G31) | 1.8kg/h |
Gas consumption high-calorific natural gas (G20) | 2.4m³/h |
Downloads
Accessories
Controls
Suspension
Other
Flue material
Service articles
View our service parts for the XR 20 (and earlier models) in the parts shop.
Parts shopWinterwarm 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