Technical Description Of The Burner; Burner Models Designation; Technical Data - Riello RS 190 EV Installation, Use And Maintenance Instructions

3

Technical description of the burner

3.1

Burner models designation

Model Code
RS 190/EV 20044217
RS 250/EV 20036703
3.2

Technical data

Model
Output Maximum
(1)
Minimum
Fuel
- max. delivery
- pressure at max. delivery
(2)
Operation
Standard applications
Ambient temperature
Combustion air temperature
Noise levels Sound pressure
(3)
Sound power
Reference conditions: Ambient temperature 68 °F (20 °C) - Barometric pressure 394" WC - Altitude 329 ft.
(1)
Pressure at test point 21)(Fig. 3 on page 9), with zero pressure in the combustion chamber, with open gas ring 2)(Fig. 23 on page 23) at maxi-
(2)
mum burner output.
Sound pressure measured in manufacturer's combustion laboratory, with burner operating on test boiler and at maximum rated output. The sound
(3)
power is measured with the "Free Field" method, as per EN 15036, and according to an "Accuracy: Category 3" measuring accuracy, as set out in EN
ISO 3746.
* Firing rate for C-ETL Canadian Listing
20094575
Technical description of the burner
Certification
RS 190/EV
kW 1420 - 2542
MBtu/hr 4845 - 8673
kW
MBtu/hr
Natural gas
SCFH
" WC
°F
°F max
dBA
6 GB
522
1781
8673
5.9
Low - high or modulating
Boilers: water, steam, thermal oil
32 - 104 (0 - 40 °C)
140 (60 °C)
83.1
94.1
RS 250/EV
1387 - 2941 (2674*)
4732 - 10034 (9122*)
579
1975
Natural gas
9808
7.6
83
94
Tab. A