Riello RLS 280/E - Page 9

Technical description of the burner
7
20106891
GB
Tab. C
(*)
Firing Rate for C-ETL Canadian Listing
(1)
Reference conditions: ambient temperature 68 °F (20°C) - Barometric pressure 394” WC - Altitude 329 ft.
(2)
Pressure at test point 5)(Fig. 3) with zero pressure in the combustion chamber and maximum burner output.
(3)
Sound pressure measured in manufacturer’s combustion laboratory, with burner operating on test boiler and at maximum rated output.
(4)
Equivalent Btu values based on 1 USGPH = 140,000 Btu/hr.
Model RLS 410/E RLS 510/E
Output delivery
(1)
High
kW 1.172 4.719 4.247* 1.465 5.627 5.064*
Mbtu/hr
(4)
4.000 16.100 14.490* 5.000 19.200 17.280*
GPH 28,6 115 103.5* 35,7 137,1 123,4*
Low
kW 479 - - 586 - -
Mbtu/hr
(4)
1.635 - - 2.000 - -
GPH 11,7 - - 14,3 - -
Fuel
Oil n°2
Natural gas
Gas max. delivery SCFH 15.941 19.010
Gas pressure at max delivery
(2)
"WC 26.0 32.6
Operation Low-high or modulating
Nozzles 1
Standard applications Boilers: water, steam, thermail oil
Ambient temperature °F 32-104 (0-40°C)
Combustion air temperature °F Max. 140 (60°C)
Pump
- delivery (at 300 PSI) GPH 290 403
- pressure range PSI 102 - 580 102 - 435
- fuel temperature °F Max. 302 (150°C)
Noise level (gas)
(3)
Noise level (oil)
(3)
dBA
82,9
83,4
83,6
84,1