2.1 BOILER TECHNICAL DATA
Table 2-1: Boiler technical data
Boiler House
Units 15-26 26-46 46-70
Water content
litre 13 21 50
gal 2.9 4.7 11
Weight (dry)*
kg 125 145 301
lb 276 320 664
Maximum heat output (Kerosene)
kW 26.3 46.0 70.0
Btu/h 89,800 157,000 238,800
Minimum ow rate (∆T=10°C) l/h 2,200 4,000 6,000
Minimum ow rate (∆T=20°C) l/h 1,100 2,000 3,000
Condensate connection 22 mm (only connection plastic pipe)
Flue diameter (conventional) 100 mm 125 mm**
Waterside resistance ∆T=10°C mbar 28.5 26.0
Waterside resistance ∆T=20°C mbar 10 9.5
Maximum static head m 28
Minimum circulating head m 1
Boiler thermostat range °C 50 to 75
Limit (safety) thermostat shut o temperature °C 110 ± 3
Maximum hearth temperature °C Less than 50
Electricity supply ~230 1ph 50Hz 5A fused
Burner motor power Watts 90 150
Absorbed motor power kW 0.15
Starting current Amps 4.2 6.4
Running current Amps 0.85 1.2
Oil connection ¼ʺ BSP male (on end of exible fuel hose)
Conventional ue draught
mbar Minimum: 0.087 - Maximum: 0.37
in wg Minimum: 0.035 - Maximum: 0.15
Maximum operating pressure - sealed/open system bar 2.5
Maximum operating pressure - pressure relief valve bar 3.0
Boiler type ON/OFF
* Weight includes burner but excludes ue
** 125 mm diameter required for exible ue liner (orange system). For rigid ue systems, e.g. green system, 100 mm diameter ue required. Refer to Section 9
for further details.
Section 2: Technical DataPage 6
2 TECHNICAL DATA