Technical Specifications: The PELLEMATIC® PE(S) series boilers range from 10 to 56 kW in rated power. They have a partial load range from 3.0 to 17 kW. The energy efficiency class is A+ with an energy efficiency index (EEI) ranging from 117.77 to 121.73. Seasonal space heating energy efficiency varies from 79.3% to 82.64%.
Boiler efficiency at rated power is between 92% and 95%, and at partial power between 91% and 94%.
Water System: Water capacity ranges from 64 to 135 liters, with supply/return diameters varying from 1 inch to 2 inches. Water resistance at 10K ranges from 38.9 to 186 mBar, and at 20K from 10.4 to 49 mBar. The operating pressure is a maximum of 3 Bar, with a test pressure of 4.6 Bar.
Flue Gas System: The fire vault temperature ranges from 800 to 1100°C. The need for draught at rated power is 0.08 mBar and at partial load is 0.03 mBar. Flue gas temperatures are 160°C at rated power and 100°C at partial load. Flue gas tube diameters range from 130 mm to 180 mm.
Fuel Specifications: The boilers use pellets made of 100% natural wood, conforming to EN ISO 17225–2, class A1. The calorific value is 16.5 MJ/kg or 4.6 kWh/kg, with a bulk density of 600 kg/m3. Water content is 10% by weight, and ash content is 0.7% by weight.
Weight and Dimensions: Overall weight including packing ranges from 385 kg to 650 kg. The boiler body weight ranges from 240 kg to 422 kg. Dimensions vary with width from 1130 mm to 1297 mm, height from 1090 mm to 1553 mm, and depth from 814 mm to 990 mm.
Electrical Components: The connection value is 230 VAC, 50Hz, 16A. Various components such as the main drive, drive motor, suction turbine, and combustion air blower have specific power ratings.
Installation Requirements: Minimum clearance dimensions are specified for safe and efficient installation. These include a minimum clearance of 450 mm for the flue gas connection, 50 mm for the side of the boiler, 700 mm for the front of the boiler, and 300 mm for the side of the burner. The minimum ceiling height required is 2000 mm. Compliance with local legislation is mandatory.