Technical documentation Technical documentation
STES ed 07/01
EOLO STAR
EOLO Star TECHNICAL DATA
Nominal heating capacity kW (kcal/h) 25.7 (22124)
Minimum heating capacity kW (kcal/h) 11.2 (9674)
Nominal heat output (useful) kW (kcal/h) 23.3 (20000)
Minimum heat output (useful) kW (kcal/h) 9.3 (8000)
Working thermal performance at rated power % 90.4
Working thermal performance at 30% load of rated power % 88.5
Loss of heat at shell with burner off / on % 0.53 / 2.1
Loss of heat at stack with burner off / on % 0.02 / 7.5
Diameter of gas nozzle (G20)
mm 1.30
Gas pressure (G20)
mbar (mm H
2
O) 20 (204)
Diameter of gas nozzle (G30)
mm 0.77
Gas pressure (G30)
mbar (mm H
2
O) 29 (296)
Diameter of gas nozzle (G31)
mm 0.77
Gas pressure (G31)
mbar (mm H
2
O) 37 (377)
Max operating pressure of heating circuit bar 3
Max operating pressure of heating circuit ºC 90
Adjustable heating pressure ºC 35 - 80
Total volume of expansion vessel l 6
Expansion vessel preloading bar 0.8
Amount of water in boiler l 3.5
Available head capacity 1000 l/h kPa (m H
2
O) 23.03 (2.35)
Working thermal power for the production of hot water kW (Kcal/h) 23.3 (20000)
Adjustable hot water temperature ºC 35 - 55
Flow limiting device l/min 8
Hot water circuit minimum dynamic pressure bar 0.26
Max hot water circuit operating pressure bar 10
Minimum hot water supply l/min 2.5
Continuous service supply capacity with ∆T 30ºC
l/min 11.1
Specific capacity with ∆T 30ºC
l/min 10.7
Minimum pressure for flow limiting device rated capacity bar 1.0
Full boiler weight kg 38
Empty boiler weight kg 34
Power connection V / Hz 230 / 50
Rated input A 0.8
Installed power W 140
Power absorbed by circulator W 63
Power absorbed by fan W 46
Appliance electrical system cutout ----- IPX4D