TABLE OF CONTENTS
1. Safety Regulations 7
1.1 General .......................................................................................................................................................................7
1.2 CH system...................................................................................................................................................................7
1.3 Gas system .................................................................................................................................................................7
1.4 Electrical system .........................................................................................................................................................7
1.5 Domestic water system...............................................................................................................................................7
1.6 Flue discharge and air supply .....................................................................................................................................7
2. Description of the Appliance 8
2.1 General .......................................................................................................................................................................8
2.2 Operation ....................................................................................................................................................................8
2.3 Operating conditions ...................................................................................................................................................8
2.4 PC interface ..............................................................................................................................................................10
2.5 Test programmes......................................................................................................................................................10
3. Main Components 11
3.1 Accessories...............................................................................................................................................................12
4. Installation 13
4.1 Overall dimensions....................................................................................................................................................13
4.2 Unpacking the appliance...........................................................................................................................................14
4.3 Additional dimensions ...............................................................................................................................................14
4.4 Boiler location............................................................................................................................................................15
4.5 Mounting ...................................................................................................................................................................16
4.6 Mount the appliance..................................................................................................................................................17
4.7 Fit the pipework cover (optional)...............................................................................................................................17
4.8 Condensate disposal.................................................................................................................................................18
5. Connections 19
5.1 Connect the CH system............................................................................................................................................19
5.2 Connecting the gas supply........................................................................................................................................20
5.3 Electrical connection.................................................................................................................................................20
5.4 General Flue Requirements......................................................................................................................................23
5.5 Flue discharge and air supply...................................................................................................................................24
5.6 Roof outlet prefabricated chimney.............................................................................................................................30
5.7 Atmos MS System.....................................................................................................................................................31
5.8 Atmos Communal Flue System (CFS)......................................................................................................................32
6. Commissioning 33
6.1 Fill and de-aerate the appliance and the system.......................................................................................................33
6.2 Commissioning of the appliance...............................................................................................................................34
6.3 System Shutdown.....................................................................................................................................................35
7. Setting and Adjustment 36
7.1 Directly via operating panel.......................................................................................................................................36
7.2 Settings through the service code.............................................................................................................................36
7.3 Parameters................................................................................................................................................................37
7.4 Setting maximum CH power......................................................................................................................................38
7.5 Setting pump position................................................................................................................................................38
7.6 Weather-dependent control.......................................................................................................................................39
7.7 Conversion to other gas type....................................................................................................................................39
7.8 Gas-air control...........................................................................................................................................................39
7.9 Setting gas-air control...............................................................................................................................................40
7.10 Carbon monoxide : carbon dioxide ratio....................................................................................................................41
8. Faults 42
8.1 Burner does not ignite...............................................................................................................................................43
8.2 Burner ignites with much noise .................................................................................................................................43
8.3 Burner resonates.......................................................................................................................................................44
8.4 No heating (CH) ........................................................................................................................................................44
8.5 Reduced output.........................................................................................................................................................45
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