Firing Rate (2 Nozzles In Operation); Burner Description - Riello PRESS 30 N Installation, Use And Maintenance Instructions

4.7

Firing rate (2 nozzles in operation)

When the burner operates with only one nozzle, the
pressurization conditions are improved and no problems arise.
Minimal fuel capacity with one only nozzle: 7.5 kg/h - 85 kW.
7
6
5
4
3
2
1
0
14 15
170
4.8

Burner description

D2625
1 Suction line
2 Return line
3 Pump pressure adjustment screw
4 Manometer plug (G1/8)
5 Vacuometer plug (G3/8)
6 Air shutter opening motor
7 Control box reset push-button and lock-out lamp
8 Capacitor
9 Regulating bush for combustion head
10 Sheathed filter for the thermometer
11 Valves group
12 Manometer with protection valve
13 Adjustment thermostat
14 Pre-heater relay
15 Ignition transformer
16 Burner terminal strip
20132157
Technical description of the burner
16 17 18 19 20
200 230
The firing rate value (Fig. 2) has been obtained
considering an ambient temperature of 20°C, an
atmospheric pressure of 1013 mbar (approx. 0m
WARNING above sea level), and with the combustion head
adjusted as shown on page 14.
21 22 23 24 25
260 290
Thermal power
17 Fair leads
18 Back-pressure valve
8 GB
S9635
26 27 28 29 30 31
320 340
kg/h
kW
Fig. 2
Fig. 3