Installations-Wartungs und gebrauchs handbuch
Gasbeheizte Kochkessel S.900
01.08.00
pagina
42
2.5.1. REPLACEMENT OF INJECTORS FOR MAIN BURNERS
–
The injectors can be reached by removing the lower front panel, once the two side screws have been
unloosed.
–
Disconnect the tube with the injectors, unloose the screws and remove.
–
Use a fixed wrench SW11 to unscrew the injector and replace it with a suitable one.
–
Re-
install the primary air regulation bracket at the distance “H” as shown in table 5, see also “
Primary air
regulation
”.
2.5.2. REPLACEMENT OF INJECTORS FOR PILOT BURNER
–
The injector of the pilot burner can be reached by removing the lower front panel. Remove the side and
lower screws.
–
The pilot burner is in the front of the combustion chamber.
–
Unloose the screw and replace the injector with an appropriate one.
2.5.3. MINIMUM OUTPUT ADJUSTMENT
–
Once the appliance has been switched on, set the cock knob on the minimum position.
Remove the cock knob that will reveal a small hole on the panel of the appliance.
Turn the minimum adjustment screw on the cock with a screwdriver through the hole on the panel.
Warning!
Measure the minimum output pressure directly at the output pressure connection on
the injector tube (see figure “
Measuring gas pressure
”)
Set the output pressure of the gas cock according to the figures stated in table 4 - Minimum output
setting).
After setting, seal the adjustment screw!
Warning!
After each conversion, it is necessary to check tightness and operation!
2.6. MAINTENANCE OF THE APPLIANCE
Warning! :
All maintenance operations shall only be performed by a technically qualified service
centre!
To ensure correct and safe operation, the appliance must be inspected and serviced at least once a year
only. Maintenance includes also to control the components and tear of pipes, feeding pipes etc..
It is advisable to replace worn components during maintenance operations to avoid the need for other
maintenance calls and unexpected failures.
It is also advisable to apply for a maintenance contract with the customer.
