GEM KMG Series Installation And Maintenance Manual page 24

12 • OPERATING AT THE RATED HEAT OUTPUT
CHECKING NOMINAL HEAT CAPACITY
X VERSION
Check the depth of the screw "A" in
accordance with table 5 of the "Tecnical gas
data" booklet,using a gauge.
Access the settings page for the burner to be
checked:
SERVICE
Check that the burner fan speed, corresponds
to the data given in table 5 of the "Technical
gas data" booklet.
Set 180°C convection cooking, operating with
"MIN" and "MAX" speeds and with the doors
open.
Conversion: As mentioned above, every appliance is factory set to burn the type of gas specified,
it may become necessary nonetheless to convert the appliance from one type of gas to another.
Therefore, only personnel authorized by the company and belonging to the technical service who
have the corresponding technical handbook can do this work.
BURNER
PASSWORD
SETTINGS
A
3
90027360rev00
Check the combustion, CO (ppm) and CO2
(%) values, with an appropriate instrument.
Start the oven working, with the door open,
and wait for approximately 5 minutes.
Position the flue gas collection probe in the
flue gas outlet pipe (chamber and boiler).
The CO must be for:
2
Natural gas between 9% and 10.5%
L.P.G. between 9% and 13%
The CO must be no greater than 300 ppm
(measured).
I f these readings are outside the ranges,
proceed as stated in the technical manual.
F or the conversion from natural gas to LPG,
or vice versa, proceed as described in the
technical manual.
- Boiler Burner
Repeat these operations, setting 130°C steam
cooking (also with door closed).
Chamber Burner 1
24