Wood Chip Boiler

Eco-HK
250–330 kW

A class of its own
Hot anniversary campaign - save now!

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Newest combustion technology
Unique step grate system
Automatic fuel quality detection
Cost-reducing with eco mode
In Cascade up to 2 MW

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State-of-the-art wood chip heating technology

Heating boiler for the large power range

The Eco-PK 230–330 kW wood chip boiler is the most powerful in its class. The boiler is designed for the large output range and is ideally suited for use in commercial/industrial operations, apartment buildings, public buildings, industrial and local heating networks and many other areas.
The sophisticated and proven cutting-edge technology enables energy-saving, cost-cutting as well as fully automatic heating.

40 Years anniversary campaign: Order now and benefit from hot savings!

Benefits:
Eco-HK 250–330 kW

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Unique step grate system 3 revolving grates and 1 fixed grate
Highest efficiency
Firebed monitoring with contactless sensors
Lambda sensor with fuel quality detection
Heat exchanger cleaning system (in 1st + 2nd pass)
Energy-saving ignition: 2 x 300 W
Z-form double rotary valve - 100% burn-back safety
Induced draught (EC motor) with vacuum monitoring
Recirculation integrated as standard
Combustion chamber sensor & tertiary air actuator - combustion optimisation
Ash discharge for fly ash & grate ash
No thermal safety circuit necessary
Left & right boiler version (return lift always on the insertion side)
Modern touch display control
Mobile control - smart home app
5 year warranty acc. warranty card
No loss of performance during ash removal
Integrated return lift (optional)
Fully automatic ash extraction system (optional)
Cascade controller up to 6 boilers - 2 MW

Our boilers in detail

Specifics
of Eco-HK 250–330 kW

HIGHEST HEATING POWER IN PROFESSIONAL 3D!

Here you can discover the most powerful performance for trade and industry. Simply rotate, tilt or zoom the Eco-HK 250–330 kW boiler in all directions as desired.

For professional decisions, use the 3D visualisation to discover the latest wood chip technology right now and in your boiler room. Use augmented reality to visualise the future heating system by placing, rotating or scaling the boiler on your mobile phone or tablet using the AR button. You will receive a scale-correct representation of how the Eco-HK 250–330 kW integrates into your planning.

All technical details and important components are included in the following sectional view.

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Step grate system
Firebed level control
Turbulators with autom. boiler cleaning system (also in 1st pass)
Ash box 75 l; optional: ash suction system for very long maintenance intervals
Automatic ignition with 300 W x2
Bicameral rotary valve in Z-form (22 cm depth)
Recirculation
Heat exchanger
Exhaust fan (EC motor) with negative pressure monitoring
Integrated back-end protection, optional
Eco-RA – energy-saving fuel extraction
Ash extraction system for fly and grate ash
Negative pressure monitoring
Fully refractory-lined combustion chamber
Flame concentration jets made of high-quality refractory
Lambda sensor
Flame temperature monitor
Grate temperature monitor
Stainless steel stoker auger and pipe

View 3D model View cross section

Querschnittbild der Hackgutheizung Eco-HK 230–330 kW | Hargassner

Technical
details

Nominal capacity (NC)

Fuel heat output

Minimum capacity

Electric capacity

NCV efficiency at nominal output

NCV efficiency at 30 % nominal output

GCV efficiency at nominal output

GCV at 30 % nominal output

Seasonal energy efficiency ETAs

Boiler temperature range

Measures (w x h x d)

Weight

Filling volume

Space requirement

Flue pipe diameter

Ash box volume

Water content

Flow/Return

Energy label

Unit

kW

%

°C

mm

kg

l

m²

mm

l

"

Eco-HK 250

Nominal capacity (NC) 249 kW

Fuel heat output 264,6 kW

Minimum capacity 74,7 kW

Electric capacity - kW

NCV efficiency at nominal output (nn) in % 94,1* %

NCV efficiency at 30 % nominal output (np) 96,8 %

GCV efficiency at nominal output 83,3 %

GCV efficiency at 30 % nominal output 86 %

Seasonal energy efficiency ETAs 82** / 82** %

Boiler temperature range 69 - 78 °C

Measures (w x h x d) 1155 x 2015 x 2285 mm

Weight 2500 kg

Filling volume - l

Space requirement 2,62 m²

Flue pipe diameter 250 mm

Ash box volume 75 l

Water content 570 l

Flow/Return 2,5 "

Boiler label -

Eco-HK 300

Nominal capacity (NC) 299 kW

Fuel heat output 318,8 kW

Minimum capacity 89,7 kW

Electric capacity - kW

NCV efficiency at nominal output (nn) in % 93,8* %

NCV efficiency at 30 % nominal output (np) 96,5 %

GCV efficiency at nominal output 83,3 %

GCV efficiency at 30 % nominal output 86,4 %

Seasonal energy efficiency ETAs 83** / 83** %

Boiler temperature range 69 - 78 °C

Measures (w x h x d) 1155 x 2015 x 2285 mm

Weight 2500 kg

Filling volume - l

Space requirement 2,62 m²

Flue pipe diameter 250 mm

Ash box volume 75 l

Water content 570 l

Flow/Return 2,5 "

Boiler label -

Eco-HK 330

Nominal capacity (NC) 330 kW

Fuel heat output 352,6 kW

Minimum capacity 99 kW

Electric capacity - kW

NCV efficiency at nominal output (nn) in % 93,6* %

NCV efficiency at 30 % nominal output (np) 96,4 %

GCV efficiency at nominal output 83,4 %

GCV efficiency at 30 % nominal output 86,7 %

Seasonal energy efficiency ETAs 83** / 83** %

Boiler temperature range 69 - 78 °C

Measures (w x h x d) 1155 x 2015 x 2285 mm

Weight 2500 kg

Filling volume - l

Space requirement 2,62 m²

Flue pipe diameter 250 mm

Ash box volume 75 l

Water content 570 l

Flow/Return 2,5 "

Boiler label -

NCV = Net Calorific Value | GCV = Gross Calorific Value
max. operation temperature 95 °C | max. operating pressure 3 bar | required back-end protection 58 °C | electrical supply 400 V AC, 50 Hz, 13 A fuse protection
*according to type test with test fuel
**without eCleaner / with eCleaner

A small insight