5
~NOTE: At 70kW the air guide should be removed (See Fig. 23)
* NOTE: For use on conventional flue only.
** NOTE: The flue gas temperature is measured in the gas sampling hole on the flue outlet plate. The probe should be inserted to a depth of 50mm and angled towards the flue outlet.
The temperature measured is not an absolute flue gas temperature and is for general guidance purposes only!
NOTE: The pump pressure given is for general guidance only as variations in nozzle output can be up to ± 15%. It is, therefore, essential that the air is adjusted to give the correct CO
2
value.
NOTE: The nozzle type used on 28 Sec. Kerosene outputs are nozzles calibrated specifically for use with 28 Sec. Kerosene which gives less variation in nozzle output than the standard
35 Sec. Gas Oil nozzles. However, if a 28 Sec. Kerosene nozzle is not available at servicing or commissioning it is appropriate to install a 35 Sec. Gas Oil nozzle providing the output, spray
angle and pattern of the nozzle is the same as the 28 Sec. Kerosene nozzle (e.g. 0.75 80°EH may be replaced with a 0.75 80°H).
28 Sec. Kerosene* 0.85 60°ES 160 2.94 3.72 165 12.0-12.5 1.0 35.4 121,000 32 109,000
28 Sec. Kerosene* 1.20 60°S 150 3.77 4.76 190 12.0-12.5 2.75 45.3 154,500 41 140,000
a 28 Sec. Kerosene* 1.35 60°S 150 4.6 5.81 220 12.0-12.5 4.75 55.25 188,500 50 171,000
35 Sec. Gas Oil* 0.85 60°S 210 3.82 4.6 190 12.0-12.5 2.75 45.3 154,500 41 140,000
35 Sec. Gas Oil* 1.0 60°S 260 4.66 5.61 210 12.5-13.0 6.5 55.25 188,500 50 171,000
NOMINAL BOILER RATING AT NORMAL OPERATING TEMPERATURE
32/50 Table 7. Electro Oil Sterling 50 Burner (See Fig. 22) Conventional Flue Appliance (CF)
Fuel Nozzle
Pump
Pressure
(p.s.i.)
Fuel Flow
Rate
Flue Gas
Temp.
(°C)**
%CO
2
Approx.
Air
Setting
Appliance
Input
kW Btu/hr kW Btu/hr
Output
Kg/h l/h
28 Sec. Kerosene* 1.35 60°S 175 4.62 5.85 195 11.5-12.0 2.75 55.5 190,000 50 171,000
28 Sec. Kerosene* 1.75 60°S 140 5.55 7.03 210 12.0-12.5 4 67 229,000 60 205,000
~28 Sec. Kerosene* 2.00 60°S 135 6.47 8.19 225 12.5-13.0 4.5 78 268,000 70 239,000
35 Sec. Gas Oil* 1.00 60°S 245 4.69 5.52 195 11.0-11.5 2.75 55.5 190,000 50 171,000
35 Sec. Gas Oil* 1.35 60°S 175 5.63 6.62 210 12.0-12.5 4 67 229,000 60 205,000
~35 Sec. Gas Oil* 1.35 60°S 245 6.57 7.73 225 12.5-13.0 4.5 78 268,000 70 239,000
NOMINAL BOILER RATING AT NORMAL OPERATING TEMPERATURE
50/70 Table 8. Electro Oil Inter B20B Burner (See Fig. 23) Conventional Flue Appliance (CF)
Fuel Nozzle
Pump
Pressure
(p.s.i.)
Fuel Flow
Rate
Flue Gas
Temp.
(°C)**
%CO
2
Approx.
Air
Setting
Appliance
Input
kW Btu/hr kW Btu/hr
Output
Kg/h l/h
a At 50kW 28sec. Kerosene the airguide should be removed (See Fig. 22 ).
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