Installation and operating instruction
Dual fuel burner WGL40/1-A ZM
4 Installation
83273402 1/2019-02 La
25-148
4 Installation
4.1 Installation conditions
Burner type and capacity graph
Burner and heat exchanger must be matched.
Check burner type and burner capacity.
Installation location
Prior to installation ensure that:
sufficient space is available for normal and service position [ch. 3.4.7],
sufficient combustion air is available, if necessary install ducted air intake,
Prepare heat exchanger
The refractory
3
must not protrude beyond the front edge of the combustion head.
The refractory can take a conical shape (min 60°).
Refractory may not be required on boilers with water-cooled front, unless the man-
ufacturer gives other instructions.
Following installation, the aperture
4
between flame tube and refractory should be
filled with flame-proof, resilient insulating material. Do not make solid.
Heat exchangers with deep refractories or thick doors, or heat exchangers with re-
verse flame combustion chambers may require a combustion head extension. Head
extensions of 100 and 200 mm are available. Dimension
2
then changes accord-
ing to the head extension used.
45°
60°
186 ... 200 mm
M10
160 mm
170
m
m
151 mm
1
4
3
2
1
Flange gasket
2
235 mm
3
Refractory
4
Aperture
