Wolf CGB-2-24 - Checking Gas Supply Pressure

60 3064810_201804
29.Checkingthegassupplypressure
Seite 19
Fig: Changing the gas type
Gas test connector
Checkingthegassupplypressure
Forpermissiblevalues,seetable"Gascatego-
riesandsupplypressures".
Workon gas componentsmust only be per-
formed by a licensed gas tter. Work that is
carriedoutincorrectlymayleadtogasescap-
ing,resultinginariskofexplosion,suffocation
orpoisoning.
1. The gas boiler must be switched OFF.
Close the gas ball valve.
2. Loosen screw B on the gas test connector of the gas
combination valve with a screwdriver. Do not remove the
screw.
3. Connect the pressure gauge.
4. Open the gas ball valve.
5. Switch the gas condensing boiler ON.
6. After the boiler has started, read the supply pressure on the
pressure gauge and enter it in the commissioning report.
7. Turn OFF the boiler, close the gas ball valve, remove the
pressure gauge and tighten the screw in the pressure test
nipple.
8. Open the gas ball valve.
9. Check the gas test connector on the gas combination valve
for tightness.
10.Completetheenclosednoticeandafxittotheinsideof
the casing.
11. Close the boiler.
Ifanyscrewsarenotfullytightened,gasmay
escape,leadingtoariskofexplosion,suffoca-
tionorpoisoning.
B