• Boiler Models: PES36 + 24325, PES48 + 24325, PES56 + 24325
• Boiler-rated Power (kW): 41, 55, 64
• Partial Load (kW): 15, 17, 19.2
• Energy Efficiency Class: A++
• Energy Efficiency Index (EEI): 132.08, 131.99, 131.84
• Seasonal Space Heating Efficiency (%): 91, 90, 90
• Boiler Efficiency at Rated Power (HHV): 95.1%, 94.4%, 94.2%
• Boiler Efficiency at Rated Power (LHV): 102.7% for all models

• Water Capacity (l): 135 + 24
• Water Supply/Return Dimensions: 2 Inch, DN 50
• Water Resistance at 10K (mBar): 90, 123, 145
• Water Resistance at 20K (mBar): 43, 48, 53
• Boiler Temperature Range (°C): 65–90
• Minimum Input Temperature (°C): 55
• Maximum Operating Pressure (Bar): 3
• Test Pressure (Bar): 4.6

• Fire Vault Temperature (°C): 500 – 900
• Flue Gas Temperature Range (°C): 45 – 80
• Flue Gas Volume at Rated Power (kg/h): 97.5, 113.2, 121.1
• Flue Gas Tube Diameter (mm): 182.5
• Chimney Diameter: Minimum 180 mm as per EN 13384–1

• Fuel Type: Pellets made of 100% natural wood, EN 14961–2, class A1
• Calorific Value (MJ/kg): 16.5
• Bulk Density (kg/m3): > 600
• Water Content (%): < 10
• Ash Content (%): < 0.7
• Pellet Dimensions: Length < 40 mm, Diameter 6 ±1 mm

• Overall Weight (kg): 780 (with packing), 734 (without packing)
• Boiler Body Weight (kg): 330
• Internal Ash Pan Volume (l): 30
• External Ash Box Volume (kg): 25

• Connection Value: 230 VAC, 50Hz, 16A
• Main Drive (W): 40
• Drive Motor (W): 250 / 370
• Suction Turbine (W): 1400
• Combustion Air Blower (W): 62
• Flue Gas Fan (W): 72
• Electrical Ignition (W): 250
• Cleaning Motor (W): 40
• Motor External Ash Box (W): 40
• Motor Burner Plate Cleaning System (W): 40
• Flame Return Gate (W): 5

ÖkoFEN Forschungs- & EntwicklungsgesmbH
A-4133 Niederkappel, Gewerbepark 1
Tel.: +43 (0) 72 86 / 74 50
Fax.: +43 (0) 72 86 / 74 50 – 10
E-Mail: [email protected]
Website: www.oekofen.com