Table Des Matières - Navien NFB-175 Mode D'emploi

Contents
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 Removing the Wood Pallet from the boiler
2.2 Choosing an Installation Location
2.3 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 Examples of 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 the Boiler
5.1 Selecting a Vent Type
5.2 Selecting Vent Pipe Materials
5.3 Measuring Vent Length
5.4 Terminating the Vent
6. Setting the DIP Switches
6.1 DIP Switch 1 (6 switch unit)
6.2 Dip Switch 2 (8 switch unit)
6 7. Connecting the Power Supply
6
8. Installing a Cascade System
6
7
8.1 Connecting Water Supplies
9
8.2 Connecting the Communication Cables
11
12
9. Installing a Common Vent System
9.1 About the Common Vent System
13
9.2 Navien Backflow Damper (Back-draft Damper)
13
9.3 Starting the Common Vent System
14
9.4 Connecting and Terminating the Vent Pipe
16
9.5 Setting Up the Common Vent System
9.6 Common Vent Termination Clearances
17
9.7 Installing a Condensate Drain
17 9.8 Exhaust Vent Termination Clearances (For Direct Vent)
24 9.9 Maintenance
27
10. Installation Checklist
27
28
34
11. Operating the Boiler
11.1 Turning the Boiler On or Off
46
11.2 Adjusting the Temperature
48
11.3 Accessing Basic Menu Items
49
11.4 Accessing Advanced Menu Items
51
12. Appendixes
52
12.1 Gas Conversion
55
12.2 Wiring Diagram
56
12.3 Ladder Diagram
56
12.4 Outdoor Temperature Sensor
12.5 Outdoor Reset Control
59
12.6 Component Assembly Diagrams and Parts Lists
59
59
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