HR 20 EC

High effiency gas-fired warm air heater with EC fan, 20 kW

  • Most environmentally-friendly heater
  • High efficiency
  • Economical and quiet EC fan
  • Modulating burner and fan
  • 10 years warranty on heat exchanger
HR 20 EC

High effiency gas-fired warm air heater with EC fan, 20 kW

  • Most environmentally-friendly heater
  • High efficiency
  • Economical and quiet EC fan
  • Modulating burner and fan
  • 10 years warranty on heat exchanger

Description

The HR 20-EC is a compact condensing air heater with low noise EC Fan. The unit has a capacity of 20 kW and an efficiency of approx. 106%. Both the pre-mix burner and system fan can modulate back to 30%. In combination with the Multitherm thermostat this ensures an even room temperature.

More options
The HR 20-EC is suitable for natural gas or propane gas.

It is also possible to mount the unit up to an angle of 45 degrees. Together with the louvres, it is then possible to blow warm air vertically.
The HR 20 EC is low noise, has a compact and attractive design and is ideally suited to installation in small shops and any other commercial buildings.

 

Features

  • modulating burner- and fan control for more comfort
  • delta-T control optimizes gas consumption
  • quiet and efficient EC fan as standard
  • low electricity consumption
  • compact and light
  • tilt-mounted option - V-model (improved vertical heat distribution)
  • various suspension options, on ceiling or wall
  • natural gas or propane
  • supplied including siphon
  • very suitable for shops, showrooms, cafetarias, etc.

Technical features

Nominal power 19.2kW
Nominal load lower value 20kW
Efficiency 106%
Air volume 1700m³/h - 2650m³/h
Max. throw horizontal 20m
Max. throw vertical 0m
Supply voltage 230V
Nominal current 1.3A
Max. electric power input 160W
Max. sound level (at a distance of 4 metres) 54dB(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 680mm
Depth 615mm
Weight 50kg
Min. mounting height (horizontal air distribution) 1.7m
Outer pipe diameter combustion air 80mm
Outer pipe diameter condensate 40mm
Seasonal space heating energy efficiency (Ns) 90.1%
Connection, fuel Internal thread
Nominal diameter fuel 1/2 inch (15)
Gas consumption low-calorific natural gas (G25) 2.4m³/h
Gas consumption high-calorific natural gas (G20) 2.1m³/h

Images

Downloads

Accessories

Controls
Suspension
Other
Flue material

Service parts

View our service parts for the HR 20 EC (and earlier models) in the parts shop.

Parts shop

Winterwarm HR EC-range

The Winterwarm HR-EC is the most sustainable and comfortable gas-fired unit air heater available in the market.

All Winterwarm HR_EC types