Wolf CGU-2K-18 - Hydraulic Connections; Filling the System; Shut-off Valves; Checking Heating Water

6 3062348_0511
Hydraulic connections
Please note before commissioning
The heating system must be completely lled with water. If necessary top up with
water.Whenllingtheheatingsystem,theshut-offvalvesmustbeopen.Thesystem
pressuremustbe1.5to2.5bar.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. Otherwise there is a risk of damage to
the boiler.
Filling the system
Note
Theshut-offvalvesforheatingowandheatingreturnmustbeopen.
Opening the shut-off
equipment
Regularly check the system pressure. The pressure gauge must indicate between
1.5and2.5bar.Your heatingcontractorwillexplainhowto top upyoursystem.Do
not supplement your heating water with additives, otherwise components may be
damaged.
Checking the heating
water
Shut-off valves
(accessory)
Fill and drain connection
Heating return
(incl.llanddrain
connection)
Heating ow
(incl.llanddrain
connection)
Gas ball valve
Open:Pushandturnanti-clockwise
Close:Turnclockwise
Maintenance valve
Heating return
Close
Open
Maintenance valve
Heatingow
Close
Open