Installation and operating instruction
Oil burner WL40/1-A Z-1LN-A
4 Installation
83319702 1/2020-10 La
22-116
4.2 Selecting a nozzle
Determine nozzle size.
Load distribution
The load distribution of the burner is made via a pressure change-over on the oil
pump.
Generally, stage 1 takes on approx. 65 % of the maximum oil throughput, a different
distribution may be necessary.
Example
Burner capacity required: approx. 415 kW
65 % of burner capacity required: 415 kW × 0.65 = 270 KW
Nozzle size 6.50 gph, see nozzle selection table:
Stage 1: 10 bar (291 kW)
Stage 2: 20 bar (415 kW)
Recommended nozzles
Make
Characteristics
Fluidics
45°HF
Fluidics
60°HF
(1
(1
Alternative for short combustion chambers of if the flame in unstable.
Pump pressure setting
Stage 1
Stage 2
9 …
11
… 12 bar
17 …
20
… 22 bar
Spray characteristic and spray angle varies depending on pump pressure.