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5773 597 - 04
Vitocrossal 200, CM2 400, 500 and 620 Installation
Boiler
Cross Bar
1. Install the cross bar (using the rear holes) to the top
rail with two screws.
Mounting the Burner
1. Insert six M12 threaded studs into the boiler door.
2. Put gasket in place.
3. Position the burner at the boiler door, guiding the
burner gauze assembly carefully through the opening.
Note:
Do not remove the burner gauze assembly
protection during the installation to the boiler
door. Ensure that the burner gauze assembly
is kept free from the thermal insulation block
fibres.
Note:
The burner should be fitted by two people
or with the use of a lifting aid. Take care not
to damage the electrodes and burner gauze
assembly.
4. Tighten the six nuts M12 diagonally and torque
to a minimum of 13 lb/ft (18 Nm).
Note:
All parts required for installing the burner are
contained in the burner carton.
5. Open the boiler door and carefully remove the burner
gauze assembly protection.
6. Close boiler door and tighten the six bolts M12
diagonally. Torque to 29.5 lb/ft (40 Nm).
CAUTION
Faults may occur if the burner gauze assembly is
contaminated or incorrectly installed. Ensure that the
combustion chamber and the burner gauze assembly
are kept free from the thermal insulation block fibres.
Refer to the Service Instructions when checking
for electrode gap or burner gauze damage.
