Opening The Combustion Chamber - Wolf CGB-2 Service Instructions Manual

Gas condensing boilers
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Risk of burns
Various components may be very hot.
Let them cool down or wear gloves.
Release the lock of the gas supply pipe to the mixing
chamber.
Press the locking lever and push the gas pipe upwards.
(O-ring will be visible.)
Disconnect both connection plugs on the gas fan.
Pull out the monitoring electrode and HLSC plugs.
Pull out the ignition transformer plug.
Fit the Wolf cleaning vessel to the appliance.
Pull out the locking clip from the bottom rotary entry
at the bottom.
14
10. Opening the combustion chamber
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