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Wood Log Boiler

MV
55–110 kW

Maximum combustion power
Hot anniversary campaign - save now!

  • 450 l filling chamber for 1 m logs
  • Logs up to 110 cm length
  • Back-end protection included in scope of delivery
  • Unique automatic ignition

Wood log 1 metre carburetor

If you like to heat with large logs

The strong power package in the wood gasifiers powerfully converts the energy in the wood into the highest performance values. The MV for logs up to 110 cm long has thus secured a spot among the top sellers of Hargassner log boilers. It is dimensioned for the larger output range of 55–110 kW and impresses with its extremely large filling chamber volume and optional side shaft. The ideal use of the MV boiler is for customers from agriculture, commerce and industry.

40 Years anniversary campaign: Order now and benefit from hot savings!
  • Filling depth 1,100 mm
  • Automatic ignition standard
  • Full refractory-lined combustion chamber
  • Lambda sensor with fuel-quality detection
  • Excellent combustion thanks to the gas-burning honeycomb with injector nozzles
  • Highly-efficient insulation
  • Highest efficiency
  • Overhead smoulder gas slot
  • Large filling door
    • 55–80 kW: 600 x 350 mm
    • 90–110 kW: 710 x 430 mm
  • High filling chamber volume
    • 55–80 kW: 450l
    • 90–110 kW: 720l
  • Convenient adjustment through Touch-Screen
  • 5-year warranty acc. warranty card
  • Side refill shaft on the left or right (optional)

Insides in detail

Cross section
of the MV 55–110 kW

  1. Large filling door
  2. Large filling chamber for 1 m logs (up to 110 cm)
  3. Combustion chamber lining – prevents tar formation
  4. Ash door
  5. Primary air motor
  6. Secondary air motor
  7. Gas-burning honeycomb with injector nozzle
  8. High-temperature burnout zone
  9. Lambda sensor
  10. Turbulators
  11. Heat exchanger
  12. Cleaning door for heat exchanger
  13. Exhaust fan
  14. Top smoulder gas vent
  15. Back-end protection unit
  16. Cooling coil for thermal safety circuit
  17. Secondary air channel
  18. Ash chamber
  19. Ash pan
View cross section

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
kW
kW
kW
%
%
%
%
%
°C
mm
kg
l
mm
l
l
"
    MV 55
    Nominal capacity (NC) 49 kW
    Fuel heat output 53,8 kW
    Minimum capacity - kW
    Electric capacity - kW
    NCV efficiency at nominal output (nn) in % 91,0 %
    NCV efficiency at 30 % nominal output (np) - %
    GCV efficiency at nominal output - %
    GCV efficiency at 30 % nominal output - %
    Seasonal energy efficiency ETAs - %
    Boiler temperature range 78 °C
    Measures (w x h x d) 910 x 1555 x 1880 mm
    Weight 1430 kg
    Filling volume 450 l
    Space requirement 1,71
    Flue pipe diameter 200 mm
    Ash box volume - l
    Water content 250 l
    Flow/Return 2 "
    Boiler label A+
    MV 60
    Nominal capacity (NC) 60 kW
    Fuel heat output 65,2 kW
    Minimum capacity 49 kW
    Electric capacity - kW
    NCV efficiency at nominal output (nn) in % 92,0 %
    NCV efficiency at 30 % nominal output (np) - %
    GCV efficiency at nominal output - %
    GCV efficiency at 30 % nominal output - %
    Seasonal energy efficiency ETAs - %
    Boiler temperature range 78 °C
    Measures (w x h x d) 910 x 1555 x 1880 mm
    Weight 1430 kg
    Filling volume 450 l
    Space requirement 1,71
    Flue pipe diameter 200 mm
    Ash box volume - l
    Water content 250 l
    Flow/Return 2 "
    Boiler label A+
    MV 70
    Nominal capacity (NC) 70 kW
    Fuel heat output 75,3 kW
    Minimum capacity 55 kW
    Electric capacity - kW
    NCV efficiency at nominal output (nn) in % 93,0 %
    NCV efficiency at 30 % nominal output (np) - %
    GCV efficiency at nominal output - %
    GCV efficiency at 30 % nominal output - %
    Seasonal energy efficiency ETAs - %
    Boiler temperature range 78 °C
    Measures (w x h x d) 910 x 1555 x 1880 mm
    Weight 1430 kg
    Filling volume 450 l
    Space requirement 1,71
    Flue pipe diameter 200 mm
    Ash box volume - l
    Water content 250 l
    Flow/Return 2 "
    Boiler label A+
    MV 80
    Nominal capacity (NC) 80 kW
    Fuel heat output 85,1 kW
    Minimum capacity 60 kW
    Electric capacity - kW
    NCV efficiency at nominal output (nn) in % 94,0 %
    NCV efficiency at 30 % nominal output (np) - %
    GCV efficiency at nominal output - %
    GCV efficiency at 30 % nominal output - %
    Seasonal energy efficiency ETAs - %
    Boiler temperature range 78 °C
    Measures (w x h x d) 910 x 1555 x 1880 mm
    Weight 1430 kg
    Filling volume 450 l
    Space requirement 1,71
    Flue pipe diameter 200 mm
    Ash box volume - l
    Water content 250 l
    Flow/Return 2 "
    Boiler label -
    MV 90
    Nominal capacity (NC) 86 kW
    Fuel heat output 90,6 kW
    Minimum capacity - kW
    Electric capacity - kW
    NCV efficiency at nominal output (nn) in % 94,9 %
    NCV efficiency at 30 % nominal output (np) - %
    GCV efficiency at nominal output - %
    GCV efficiency at 30 % nominal output - %
    Seasonal energy efficiency ETAs - %
    Boiler temperature range 78 °C
    Measures (w x h x d) 1000 x 1820 x 2020 mm
    Weight 1860 kg
    Filling volume 720 l
    Space requirement 1,91
    Flue pipe diameter 250 mm
    Ash box volume - l
    Water content 300 l
    Flow/Return 2 "
    Boiler label -
    MV 100
    Nominal capacity (NC) 99 kW
    Fuel heat output 106,5 kW
    Minimum capacity 86 kW
    Electric capacity - kW
    NCV efficiency at nominal output (nn) in % 93,0 %
    NCV efficiency at 30 % nominal output (np) - %
    GCV efficiency at nominal output - %
    GCV efficiency at 30 % nominal output - %
    Seasonal energy efficiency ETAs - %
    Boiler temperature range 78 °C
    Measures (w x h x d) 1000 x 1820 x 2020 mm
    Weight 1860 kg
    Filling volume 720 l
    Space requirement 1,91
    Flue pipe diameter 250 mm
    Ash box volume - l
    Water content 300 l
    Flow/Return 2 "
    Boiler label -
    MV 110
    Nominal capacity (NC) 115 kW
    Fuel heat output 126,4 kW
    Minimum capacity 95 kW
    Electric capacity - kW
    NCV efficiency at nominal output (nn) in % 91,0 %
    NCV efficiency at 30 % nominal output (np) - %
    GCV efficiency at nominal output - %
    GCV efficiency at 30 % nominal output - %
    Seasonal energy efficiency ETAs - %
    Boiler temperature range 78 °C
    Measures (w x h x d) 1000 x 1820 x 2020 mm
    Weight 1860 kg
    Filling volume 720 l
    Space requirement 1,91
    Flue pipe diameter 250 mm
    Ash box volume - l
    Water content 300 l
    Flow/Return 2 "
    Boiler label -

    NCV = Net Calorific Value | GCV = Gross Calorific Value
    max. operation temperature 95 °C | max. operating pressure 3 bar | electrical supply 230 V AC, 50 Hz, 13 A fuse protection