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5.3 Gas connection
Connection to the gas mains may be made with a rigid copper pipe or with a
flexible pipe conforming to the provisions defined by standard regulations in
force.
After connection operations ， make sure there is no leakage through the
soapy solution test.
If using the G20/G25 natural gas at a pressure of 20/25 mbar ， check the
leak-tightness； if using the liquefied petroleum gas (LPG), adjust the reducing
valve and increase the normal pressure by 5 mbar, if the pressure can not be
adjusted, use the normal gas pressure to check the leak-tightness.
5.3.1 Connection with rigid copper pipe:
Connect the gas supply and the product with the metal pipe (shown in the
figure), put the seal ring B to the surface of the joint C, and screw D to gas
pipe A.
5.3.2 Connection with flexible steel pipe:
The gas supply should be LPG.
The elbow of the appliance and the pressure regulator are fast
connectors.
Hitch two metal circles E to the two end of the position S. Rotate metal circle
E closely to F in order to avoid the flexible tube to be collapsed to make the
gas run smoothly, don't let the flexible pipe be collapsed and crushed .
The flexible pipe must be installed so that pipe length does not exceed 2
meters of maximum extension. Make sure that the pipes do not touch any
moving parts or become crushed.
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