Wolf CGB-35 - Water Connections and Gas Supply; Filling the Heating System; Filling the Siphon; Shut-off Equipment Operation

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Please note before commissioning
Water connections and
gas supply connection
Checking the water level
Regularly check the water level. The pressure gauge must indicate between 2.0 and 2.5
bar. Your heating contractor will explain how to top up your system. Do not supplement
your heating water with additives, as components may be damaged.
The heating system must be completely lled with water. If necessary top up with water.
Whilst lling the heating system, keep the shut-off valves open and check the system
pressure at the control unit housing. The system pressure must lie inside the green
marking. The connection between the tap water and heating water required for lling
must be removed after the ll has been completed. Otherwise there is a risk that your
tap water will be contaminated by heating water.
The system may overheat if the boiler is operated without water.
Inhibitors are not permissible as there is a risk of damage to the boiler.
NOTE
Filling the heating system
Opening the shut-off equipment
Maintenance valve
Heating owf
Close
Open
Maintenance valve
Heating owf
Close
Open
Condensate drain
Gas shut-off valve
Open: Push and turn anti-clockwise
Close: Turn clockwise
Warm water valve only
combination boilers
Cold water valve only
combination boilers
Filling the siphon
The siphon must be tted and lled.
Fig.: Siphon CGB-11/20/24,
CGB-K-20/24
Siphon
Fig.: Siphon CGB-35/50
Siphon
Siphon
Fig.: Siphon CGB-75/100