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 |
Images
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