Table Of Contents - Navien NCB700-2S Plus 42K 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
2.8 About the NaviCirc
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 Installation Diagrams for the NaviCirc
4.4 Installing the NaviCirc
4.5 Connecting the Condensate Drain Line
4.6 Pipe Dimensions and Water Pressure
4.7 Pressure Relief Valve
4.8 Filling the System
4.9 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 Flue Installation
6.3 Measuring Flue Length
6.4 Terminating the Flue
7. Setting the DIP Switches
7.1 PCB DIP Switches
7.2 Front Panel DIP Switches
2 Contents
3 8. Connecting Electrical Supplies
8.1 Accessing the Terminal Strips
8
8.2 Connecting the Power Supply Cables
8.3 Connecting the Switched Live (230 V)
8
8.4 Connecting the Room Stat or OpenTherm
8
8.5 Connecting the Outdoor Temperature Sensor
9
8.6 OpenTherm® Protocol
12
8.7 Connecting the Navien Smart Room Controller
16
(Optional)
17
19
9. Installation Check list
20
10. Operating the Boiler
22
10.1 Using the Front Panel
22
10.2 Turning the Boiler On or Off
24
10.3 Start-Up Wizard
10.4 Adjusting the Temperature
25
10.5 Resetting the Boiler
25
10.6 Accessing Basic Menu Items
26
10.7 Accessing Advanced Menu Items
27
10.8 Error Codes
30
37
11. Maintaining the Boiler
41
11.1 Cleaning the Boiler
41
11.2 Draining the Boiler
41
11.3 Cleaning the Return Adapter Filter
42
11.4 Protecting the Boiler from Freezing
11.5 Routine Servicing
43
44
12. Appendices
44
12.1 Gas Conversion
44
12.2 Wiring Diagram
12.3 Ladder Diagram
46
12.4 Outdoor Temperature Sensor (Optional)
46
50
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