Wolf CGB-2-24 - Gas Connection and Supply Pressure; Gas Connection Instructions

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12.Gasconnection
Fig: Gas ball valve, straight (accessories)
Fig: Gas ball valve, angled (accessories)
Fig: Gas connection installation
Seite 16
Gaskugelhahn, Durchgangsform
Gaskugelhahn, Eckform
Connect the gas supply line at the gas connection or the ex-
pansion joint (recommended) using gas connection R½" and
an approved sealant. Ensure the supply line is stress-free.
Onlyalicensedgasttermayroutethegaspipe
and make the gas connections.
Remove all residues from the heating pipework
and the gas line prior to connecting the con-
densing boiler, particularly in older systems.
Prior to commissioning, test all gas pipes and
connections for leaks. Inappropriate installation
or the use of unsuitable components or assem-
blies may lead to gas escaping, resulting in a
risk of poisoning and explosion.
Installagasballvalvewithreprotectioninthe
gas supply line upstream of the condensing
boiler. Otherwise explosions may occur during a
re.Sizethegassupplylineinaccordancewith
DVGW-TRGI regulations [Germany].
Mountthegasballvalveinaneasilyacces-
sibleplace.
Carry out a tightness test on the gas line
withoutthegascondensingboiler.Neverre-
leasethetestpressureviathegasvalve.
Gas ttings on the appliance should be
pressuretestedtoamaximumof150mbar.
Higherpressuremaydamagethegasvalve,
resultinginariskofexplosion,asphyxiation
or poisoning.
Before pressure testing the
gasline,closethegasballvalveonthegas
condensingboiler.
Wheninstallingthegasconnection,ensure
all ttings are sufciently tightened to pre-
ventgasleaks.