Navien NPE-210A User Manual

2Contents
6. Operating the Water Heater 63
6.1 Turning the Water Heater On or Off 63
6.2 Adjusting the Water Temperature
63
6.3 Viewing Basic Information 64
6.4 Setting the Operation Mode 64
6.5 Setting the Parameters
65
6.6 Resetting the Water Heater 70
7. Appendixes 71
7.1 Gas Conversion 71
7.2 Technical Data 76
7.3 Wiring Diagram
79
7.4 Ladder Diagram
81
7.5 Component Assembly Diagrams and Parts Lists
83
7.6 Installation Check list 95
7.7 Navien HAir Add-on Controller Kit (Optional)
97
7.8 Navien HotButton Kit (Optional) 98
7.9 Requirements for the State of Massachusetts 99
1. Safety Information 3
2. About the Water Heater
6
2.1 Items Included 6
2.2 Accessories
6
2.3 Specifications 7
2.5 Components
9
2.6 Dimensions
12
2.7 Rating Plate
14
3. Installing the Water Heater 15
3.1 Choosing an Installation Location 15
3.2 Mounting the Water Heater to the Wall
17
3.3 Connecting the Gas Supply 18
3.4 Connecting the Water Supply
23
3.5 Connecting the Condensate Drain 30
3.6 Venting the Water Heater
32
3.7 Connecting the Power Supply
44
3.8 Setting the DIP Switches
44
4. Installing a Cascade System 46
4.1 Connecting Water Supplies 46
4.2 Connecting the Communication Cables
47
5. Installing a Common Vent System 49
5.1 About the Common Vent System 49
5.2 Navien Backflow Damper (Back-draft Damper) 53
5.3 Starting the Common Vent System
54
5.4 Connecting and Terminating the Vent Pipe
57
5.5 Installing a Condensate Drain
58
5.6 Setting Up the Common Vent System
59
5.7 Common Vent Termination Clearances 60
5.8 Exhaust Vent Termination Clearances (For Direct Vent)
61
5.9 Maintenance 62
Contents

Navien NPE-210A Specifications

General

Type	Tankless
Fuel Type	Natural Gas or Propane
Energy Factor	0.97
Venting	PVC, CPVC
Water Connection Size	3/4" NPT
Gas Connection Size	3/4" NPT
Voltage	120V
Temperature Range	98°F - 140°F
Ignition Type	Electronic
Warranty	15 years heat exchanger, 5 years parts
Energy Efficiency	Condensing