Table Of Contents - Navien NCB700-42C Installation & Operation Manual

Contents
1. Safety Information
2. About the Boiler
2.1 Items Included
2.2 Accessories
2.3 Technical Data
2.4 Components
2.5 Dimensions
2.6 Operating Modes
2.7 Installation Procedure
3. Installing the Boiler
3.1 Choosing an Installation Location
3.2 Mounting the Boiler to the Wall
4. Installing the System Piping
4.1 Installing a Central Heating System
4.2 Installing a Domestic Hot Water (DHW) System
4.3 Connecting the Condensate Drain Line
4.4 Pipe Dimensions and Water Pressure
4.5 Pressure Relief Valve
4.6 Filling the System
4.7 Testing the Water System
5. Connecting the Gas Supply
5.1 Gas Pipe Material
5.2 Propane Gas Installations (LPG)
5.3 Measuring the Inlet Gas Pressure
6. Flue System
6.1 Flue Terminal Positions
6.2 Selecting a Flue System
6.3 Coaxial Systems
6.4 Dual Duct Systems
6.5 Measuring Flue Length
6.6 Terminating the Flue
2 Contents
3 7. Setting the DIP Switches
7.1 PCB DIP Switches
7
7.2 Front Panel DIP Switches
7
8. Connecting Electrical Supplies
7
8 8.1 Accessing the Terminal Strips
11 8.2 Connecting the Power Supply Cables
15 8.3 Connecting the Switched Live
16 8.4 Connecting the Room Stat or OpenTherm
18 8.5 Connecting the Outdoor Temperature Sensor
8.6 OpenTherm® Protocol
19
8.7 Connecting the Navien Smart Room Controller
(Optional)
19
21
9. Installation Check list
22
10. Operating the Boiler
22
10.1 Using the Front Panel
23
10.2 Turning the Boiler On or Off
23
10.3 Start-Up Wizard
24
10.4 Adjusting the Temperature
25
10.5 Resetting the Boiler
25
10.6 Accessing Basic Menu Items
25
10.7 Accessing Advanced Menu Items
10.8 Error Codes
26
27
11. Maintaining the Boiler
27
11.1 Cleaning the Boiler
27
11.2 Draining the Boiler
11.3 Cleaning the Return Adapter Filter
29
11.4 Protecting the Boiler from Freezing
29
11.5 Maintenance Schedules
30
31
12. Appendices
32
12.1 Gas Conversion
34
12.2 Cleaning the Heat Exchanger
34
12.3 Wiring Diagram
12.4 Ladder Diagram
12.5 Outdoor Temperature Sensor (Optional)
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