Table Of Contents - Navien NHB H Series Installation And Operation Manual

Contents
Important Safety Information
1. About the Boiler
1.1 Included Items
1.2 Accessories
1.3 Specifications
1.4 Components
1.5 Dimensions
1.6 Rating Plate
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 Connecting the Condensate Drain
3.3 Filling the System
3.4 Testing the Water System
3.5 Considerations for System Applications
3.6 Examples of Electrical Connections
4. Connecting the Gas Supply
4.1 Gas Pipe Sizing Tables
4.2 Measuring the Inlet Gas Pressure
5. Venting for Combustion Air
5.1 Venting the Boiler
5.2 About the Vent Installation Detector
5.3 Selecting a Vent Type
5.4 Selecting Vent Pipe Materials
5.5 Measuring Vent Length
5.6 Terminating the Vent
6. Setting the DIP Switches
6.1 DIP Switch 1 (Set of 6 Switches)
6.2 Dip Switch 2 (Set of 8 Switches)
7. Connecting the Power Supply
8. Installing a Cascade System
8.1 Connecting Water Supplies
8.2 Connecting the Communication Cables
2 Contents
9. Installing a Common Vent System
3
9.1 About the Common Vent System
9.2 Navien Common Vent Collar Kit (Back-
5
draft Damper)
5
9.3 Starting the Common Vent System
5
9.4 Connecting and Terminating the Vent
6 Pipe
8 9.5 Setting up the Common Vent System
10 9.6 Common Vent Termination Clearances
11 9.7 Installing a Condensate Drain
9.8 Maintenance
12
10. Installation Checklist
12
14
11. Operating the Boiler
16
11.1 Operating the Boiler for the First Time
16 11.2 Turning the Boiler On or Off
23 11.3 Start-Up Wizard
26 11.4 Adjusting the System Temperatures
26 11.5 Resetting the Boiler
27
11.6 Accessing Basic Menu Items
34 11.7 Viewing Basic Information
11.8 Setting the Space Heating Operation
11.9 Setting the DHW Operation (Indirect) 107
46
11.10 Viewing Error History
49
11.11 Viewing Other System Information
50
11.12 Setting the Display Options
11.13 Accessing Advanced Menu Items
52
11.14 Understanding Error Codes
53
55
12. Appendixes
57
12.1 Gas & High Altitude Conversion
61
12.2 Wiring Diagram
62
12.3 Ladder Diagram
63
12.4 Outdoor Temperature Sensor
12.5 Outdoor Reset Control
67
12.6 Component Assembly Diagrams and
Parts Lists
67
12.7 Requirements for the State of
68
Massachusetts
70
13. LIMITED WARRANTY NAVIEN, INC. 140
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