Navien NCB500-1.5S/37K Boiler Manuals

Manuals and User Guides for Navien NCB500-1.5S/37K Boiler. We have 1 Navien NCB500-1.5S/37K Boiler manual available for free PDF download: Installation & Operation Manual

Navien NCB500-1.5S/37K Installation & Operation Manual

Navien NCB500-1.5S/37K Installation & Operation Manual (72 pages)

Condensing Combi Boiler

Brand: Navien | Category: Boiler | Size: 24 MB

Table of Contents

Table of Contents
3
Safety Information
4
About the Boiler
8
Items Included
8
Accessories
8
Technical Data
9
Components
12
Dimensions
14
Operating Modes
15
Installation Procedure
17
Installing the Boiler
18
Choosing an Installation Location
18
Mounting the Boiler to the Wall
20
Installing the System Piping
21
Installing a Central Heating System
21
Installing a Domestic Hot Water (DHW) System
22
Connecting the Condensate Drain Line
22
Pipe Dimensions and Water Pressure
23
Pressure Relief Valve
24
Filling the System
24
Testing the Water System
24
Connecting the Gas Supply
25
Gas Pipe Material
26
Propane Gas Installations (LPG)
26
Measuring the Inlet Gas Pressure
26
Flue System
28
Flue Terminal Positions
28
Flue Installation
29
Measuring Flue Length
31
Terminating the Flue
31
Setting the DIP Switches
32
PCB DIP Switches
32
Front Panel DIP Switches
32
Connecting Electrical Supplies
33
Accessing the Terminal Strips
33
Connecting the Power Supply Cables
34
Connecting the Switched Live
35
Connecting the Room Stat or Opentherm
35
Connecting the Outdoor Temperature Sensor
35
Opentherm® Protocol
35
Connecting the Navien Smart Room Controller (Optional)
36
Installation Check List
37
Operating the Boiler
38
Using the Front Panel
38
Turning the Boiler on or off
40
Start-Up Wizard
40
Adjusting the Temperature
40
Resetting the Boiler
41
Accessing Basic Menu Items
42
Accessing Advanced Menu Items
47
Error Codes
52
Maintaining the Boiler
53
Cleaning the Boiler
53
Draining the Boiler
53
Cleaning the Return Adapter Filter
54
Protecting the Boiler from Freezing
54
Maintenance Schedules
55
Appendices
58
Gas Conversion
58
Cleaning the Heat Exchanger
62
Wiring Diagram
65
Ladder Diagram
66
Outdoor Temperature Sensor (Optional)
67

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