4 Contents
Contents
Safety Information
5
1. About the Boiler
9
1.1 Items Included
9
1.2 Accessories
9
1.3 Technical Data
10
1.4 Components
12
1.5 Dimensions
16
1.6 Operating Modes
17
1.7 Installation Procedure
19
2. Installing the Boiler
20
2.1 Choosing an Installation Location
20
2.2 Mounting the Boiler to the Wall
22
3. Installing the System Piping
23
3.1 Installing a Space Heating System
23
3.2 Installing a Domestic Hot Water (DHW) System
24
3.3 Connecting the Condensate Drain Line
24
3.4 Pipe Demensions and Water Pressure
25
3.5 Pressure Relief Valve
26
3.6 Filling the system
26
3.7 Testing the Water System
26
4. Connecting the Gas Supply
27
4.1 Gas Pipe Material
28
4.2 Propane Gas Installations (LPG)
28
4.3 Measuring the Inlet Gas Pressure
28
5. Venting the Boiler
30
5.1 Flue Terminal Positions
30
5.2 Selecting a Vent System
31
5.3 Coaxial Systems
32
5.4 Dual Duct Systems
33
5.5 Measuring Vent Length
35
5.6 Terminating the Vent
35
6. Setting the DIP Switches
36
6.1 PCB DIP Switches
36
6.2 Front Panel DIP Switches
36
7. Connecting Electrical Supplies
37
7.1 Accessing the Terminal Strips
37
7.2 Connecting Cables
38
7.3 Connecting the Power Supply
38
7.4 Connecting the Room Thermostat
39
7.5 Connecting the OpenTherm
39
7.6 Connecting the Outdoor Temperature Sensor
39
7.7 OpenTherm® Protocol
39
8. Installation Check list
40
9. Operating the Boiler
41
9.1 Turning the Boiler On or Off
41
9.2 Adjusting the Temperature
41
9.3 Viewing Basic Information
42
9.4 Setting the Operation Mode
43
9.5 Setting the Parameters
43
9.6 Resetting the Boiler
50
10. Appendixes
51
10.1 Gas Conversion
51
10.2 Cleaning the Heat Exchanger
57
10.3 Wiring Diagram
60
10.4 Ladder Diagram
61
10.5 Outdoor Temperature Sensor (Optional)
62
10.6 Commissioning Check List
63
