OPERATION INSTRUCTIONS
High Eiciency Wall-Mounted Gas Boilers
For domestic use only
Installation of the appliance may only be carried out by an installer/competent person.
Please ask your installer to instruct you on how to fill and bleed the appliance and the
installation and on their operation. Strictly abide by all the instructions and warnings.
Always use the appliance in accordance with the Operating Instructions. It is forbidden
to interfere with a sealed component.
Carefully save these operating instructions, preferably near the boiler.
TABLE OF CONTENTS
© 2018 Intergas Heating Ltd. Subject to modifications.
XTREME
1 Operation of the boiler 2
1.1 Operation of central heating 3
1.2 Operation of domestic hot water facility 3
2 Control panel and readout 4
2.1 Using the control panel 4
2.2 Operational modes 5
2.3 Changing settings 6
3 Filling and bleeding the boiler and installation 8
3.1 Filling and venting the central heating system 8
4 Frost protection 9
5 Maintenance 9
6 Faults and resetting 10
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