Table Of Contents - Navien NCB-24LSWE Installation & Operation Manual

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