a At 50kW 28sec. Kerosene the airguide should be removed (See Fig. 22 ).
50/70 Table 8. Electro Oil Inter B20B Burner (See Fig. 23)
Fuel
Nozzle
28 Sec. Kerosene*
1.35 60°S
28 Sec. Kerosene*
1.75 60°S
~28 Sec. Kerosene*
2.00 60°S
35 Sec. Gas Oil*
1.00 60°S
35 Sec. Gas Oil*
1.35 60°S
~35 Sec. Gas Oil*
1.35 60°S
~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
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).
NOMINAL BOILER RATING AT NORMAL OPERATING TEMPERATURE
Pump
Fuel Flow
Pressure
Rate
(p.s.i.)
Kg/h
l/h
160
2.94
3.72
150
3.77
4.76
150
4.6
5.81
210
3.82
4.6
260
4.66
5.61
NOMINAL BOILER RATING AT NORMAL OPERATING TEMPERATURE
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