Installation and operating instruction
Oil burner WL5/1-B H-2LN
4 Installation
83058402 1/2019-04 La
19-72
4.2 Selecting a nozzle
Determine nozzle size.
Recommended nozzles
Make
Size
Characteristics
Fluidics
0.40 … 0.60 gph
45°HF
Fluidics
0.65 … 0.85 gph
60°HF
Pump pressure setting
9 …
10
… 11 bar
Spray characteristic and spray angle varies depending on pump pressure.
Nozzle selection table
Different load values are possible due to tolerances.
Burner capacity [kW] at pump pressure
Nozzle size [gph]
9 bar
10 bar
11 bar
0.40
–
–
16.7
0.45
17.2
17.9
18.7
0.50
19.0
20.0
20.8
0.55
21.0
21.9
22.9
0.60
22.8
23.9
25.1
0.65
24.8
25.9
27.2
0.75
28.6
30.0
31.3
0.85
32.2
34.0
37.0
(1
(1
Due to the nozzle tolerance and capacity losses a pump pressure of 11.5 bar
may be required.
Conversion of burner capacity to oil throughput see formula below.
Oil throughput in kg/h =
Burner capacity in kW
11.9 kWh/kg