Cata GHI 6104 BK /A Instrucciones Para La Instalación, El Uso, El Mantenimiento página 58

mmSS (30mbar)
Natural gas pressure is 200 mmSS (20mbar). Please consult the
authorized service for conversion to natural gas or LPG.
Use only piping, gaskets or stamp as per the applicable national
standards.
In some countries where conic connections are obligatory, conic
connection is provided. In such a case the conic connection part
should be connected to the unit.
If the unit will be connected to a flexible hose, the length of the
hose shall not exceed 120 cm.
Before starting works related to gas installation, please cut the gas
supply.
Make the connection so that no pressure will be applied on the
connection records and piping. Make sure that the pipe will not
cause any clogging or contact with the sharp corners.
Note that the gas hose will be TSE stamped, not be laid through
hot areas.
NOTE: Replace the gas hose of your hob at 4 to 5 years
even if it will be undamaged.
NOTE: Check whether any gas leakage after the connection
with soap and water. Do not ever use flame.
Make sure that no additional weight to be applied on the gas hose.
And apply the following order for installation;
1. In the order; male adaptor cylindrical, gasket, female gas
adaptor,
components,
of outlet pressure.
conical-cylindrical or cylindrical cylindrical