Navien NFB-175H Manuals

Navien NFB-175H Manuals

Manuals and User Guides for Navien NFB-175H. We have 2 Navien NFB-175H manuals available for free PDF download: Installation Manual, User's Information Manual

Navien NFB-175H Installation Manual

Navien NFB-175H Installation Manual (135 pages)

Condensing Boilers

Brand: Navien | Category: Boiler | Size: 36.86 MB

Table of Contents

Table of Contents
3
1 About the Boiler

6
- Included Items
  6
- Accessories
  6
- Specifications
  7
- Components
  9
- Dimensions
  11
- Rating Plate
  12
2 Installing the Boiler

13
3 Installing the System Piping

18
4 Connecting the Gas Supply

48
- Gas Pipe Sizing Tables
  51
- Measuring the Inlet Gas Pressure
  52
5 Venting for Combustion Air

54
- Venting the Boiler
  55
- About the Vent Installation Detector
  57
- Selecting a Vent Type
  59
- Selecting Vent Pipe Materials
  63
- Measuring Vent Length
  64
- Terminating the Vent
  65
6 Setting the DIP Switches

69
- DIP Switch 1 (Set of 6 Switches)
  69
- Dip Switch 2 (Set of 8 Switches)
  70
7 Connecting the Power Supply

71
8 Installing a Cascade System

72
- Connecting Water Supplies
  72
- Connecting the Communication Cables
  76
9 Installing a Common Vent System

77
10 Installation Checklist

91
11 Operating the Boiler

94
- Operating the Boiler for the First Time
  94
- Turning the Boiler on or off
  95
- Start-Up Wizard
  96
- Adjusting the System Temperatures
  97
- Accessing Basic Menu Items
  100
- Accessing Advanced Menu Items
  106
- Understanding Error Codes
  116
12 Appendixes

117
- Gas & High Altitude Conversion
  117
- Wiring Diagram
  124
- Ladder Diagram
  125
- Outdoor Temperature Sensor
  126
- Outdoor Reset Control
  126
- Component Assembly Diagrams and Parts Lists
  128

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Navien NFB-175H User's Information Manual

Navien NFB-175H User's Information Manual (27 pages)

Brand: Navien | Category: Boiler | Size: 4.66 MB

Table of Contents

Table of Contents
2
1 Safety Information

3
2 About the Boiler

6
3 Operating the Boiler

9
4 Maintaining the Boiler

14
- Cleaning the Boiler
  14
- Draining the Boiler
  14
- Cleaning the Air Intake Filter
  15
- Protecting the Boiler from Freezing
  16
- Maintenance Schedules
  17
5 Troubleshooting

22
- Solving Basic Problems
  22
- Understanding Error Codes
  23

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