Installation and operating instruction
Oil burner WL5-PB-H purflam®
9 Servicing
83242002 1/2019-03 La
45-76
9.11 Set recirculation aperture
Observe notes on servicing [ch. 9.1].
Turn setting screw
1
until the scale on the indicating bolt
2
is equal to the ta-
ble value.
The indicating bolt has been factory preset to show the clearance of the recircula-
tion aperture
3
in mm.
If the indicating bolt has been moved (e. g. during transport):
Remove plug from indicating bolt
2
.
Turn indicating bolt until it matches the current recirculation aperture.
Re-fit stopper.
–
+
–
+
3
1
2
Mixing head
Recirculation aperture [mm]
ME 1.19
1.5
ME 1.21
4.0
ME 1.22
4.0
ME 1.23
5.0
ME 1.24
5.0
ME 2.24
2.0
ME 2.25
2.0