Grant Vortex - Technical Data; Boiler Technical Data

2.1 BOILER TECHNICAL DATA
Table 2-1: Boiler technical data
Boilerhouse
Units 50/90 90/120 15/26 26/36 36/46 46/70
Water content
litre 13 19 19 19 21 50
gal 2.9 4.2 4.2 4.2 4.7 11
Weight (dry)* kg 92 107 106 123 123 250
Maximum heat output (Kerosene)
kW 25.6 34.7 26.3 35.4 46.0 70.0
Btu/h 87,350 118,400 89,800 120,000 157,000 238,800
Minimum fl ow rate (T=10°C) l/h 2,200 2,980 2,200 2,980 4,000 6,000
Minimum fl ow rate (T=20°C) l/h 1,100 1,490 1,100 1,490 2,000 3,000
Condensate connection 22 mm (only connection plastic pipe)
Flue diameter (conventional) 100 mm 100 mm 100 mm 100 mm 125 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 ¼ BSP male (on end of fl exible fuel hose)
Conventional fl ue draught
mbar Minimum: 0.087 - Maximum: 0.37
in wg Minimum: 0.035 - Maximum: 0.15
Maximum operating pressure - sealed/open system bar 2.0
Maximum operating pressure - pressure relief valve bar 3.0
Boiler type ON/OFF
* Weight includes burner but excludes fl ue
** 125 mm diameter required for fl exible fl ue liner (orange system). For rigid fl ue systems, e.g. green system, 100 mm diameter fl ue required. Refer to Section 9
for further details.
Section 2: Technical DataPage 6
2 TECHNICAL DATA