Wolf CGB-100 - 17. Checking the Gas Supply Pressure; Gas Supply Pressure Check

32 3062555_201804
Fig.: Shut-off systems
17.Checkingthegassupplypressure
- The condensing boiler must be switched OFF; open the gas
shut-off valve
Release the casing cover with the l.h. and r.h. screw. Release
the bottom of the casing cover and unhook at the top
- Release the plug at test nipple  and vent the gas supply
line
- Connect the differential pressure meter or U-tube manometer
to the test nipple  at "+", with "-" against atmosphere
- Switch the ON/OFF switch to ON
- After starting the appliance, check the supply pressure on
the differential pressure meter
Fig.: Checking the gas supply pressure

- Switch OFF ON/OFF switch; close the gas shut-off valve
- Remove the differential pressure tester and
 re-sealthetestnipplewithplug.
- Open the gas shut-off valve
- Check that the test nipple is gas-tight
- Completetheenclosednoticeandafxittotheinsideofthe
casing
- Close the appliance again
Thereisadangerofgasescaping,leadingto
ariskofexplosion,asphyxiationorpoisoning
unlessallofthescrewsaretightened.
LPG:
Ifthesupplypressure(owpressure)isoutside
the43to57mbarrange,adjustmentsmustnot
becarriedoutandtheboilermustnotbestarted.
Thereisariskoffaultyboilerfunctions.
Note
Naturalgas
Ifthesupplypressure(owpressure)isoutside
the18to25mbarrange,adjustmentsmustnot
becarriedoutandtheboilermustnotbestarted.
Thereisariskoffaultyboilerfunctions.
Note
Gas shut-off valve
Checkingthegassupplypressure
(gasowpressure)
Work on gas components must only be performed
by a licensed gas tter. Work that is carried out
incorrectly may lead to gas escaping, resulting in a
risk of explosion, asphyxiation or poisoning.
Screws
Fig.: Undoing screws