20132157
8
GB
Technical description of the burner
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.
4.8
Burner description
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
17 Fair leads
18 Back-pressure valve
WARNING
The firing rate value (Fig. 2) has been obtained
considering an ambient temperature of 20°C, an
atmospheric pressure of 1013 mbar (approx. 0m
above sea level), and with the combustion head
adjusted as shown on page 14.
Fig. 2
Thermal power
Pre
s
su
re in combustion
15
14
16
17
18
20
19
170
200
230
21
22
23
25
24
26
27 28 29 30
31
0
1
2
3
4
5
6
7
260
290
320
340
S9635
kg/h
kW
ch
amber –
mba
r
Fig. 3
D2625
