User Manuals: Navien NCB700-2S Plus 42K Boiler

User Manuals: Navien NCB700-2S Plus 42K Boiler

Manuals and User Guides for Navien NCB700-2S Plus 42K Boiler. We have 1 Navien NCB700-2S Plus 42K Boiler manual available for free PDF download: Installation & Operation Manual

Navien NCB700-2S Plus 42K Installation & Operation Manual

Navien NCB700-2S Plus 42K Installation & Operation Manual (100 pages)

Condensing Combi Boiler

Brand: Navien | Category: Boiler | Size: 36.8 MB

Table of Contents

Table of Contents
2
Safety Information
3
About the Boiler
8
Items Included
8
Accessories
8
Technical Data
9
Components
12
Dimensions
16
Operating Modes
17
Installation Procedure
19
About the Navicirc
20
Installing the Boiler
22
Choosing an Installation Location
22
Mounting the Boiler to the Wall
24
Installing the System Piping
25
Installing a Central Heating System
25
Installing a Domestic Hot Water (DHW) System
26
Installation Diagrams for the Navicirc
27
Installing the Navicirc
30
Connecting the Condensate Drain Line
37
Pipe Dimensions and Water Pressure
41
Pressure Relief Valve
41
Filling the System
41
Testing the Water System
42
Connecting the Gas Supply
43
Gas Pipe Material
44
Propane Gas Installations (LPG)
44
Measuring the Inlet Gas Pressure
44
Flue System
46
Flue Terminal Positions
46
Flue Installation
50
Measuring Flue Length
53
Terminating the Flue
53
Setting the DIP Switches
54
PCB DIP Switches
54
Front Panel DIP Switches
54
Connecting Electrical Supplies
55
Accessing the Terminal Strips
55
Connecting the Power Supply Cables
56
Connecting the Switched Live (230 V)
57
Connecting the Room Stat or Opentherm
57
Connecting the Outdoor Temperature Sensor
57
Opentherm® Protocol
57
Connecting the Navien Smart Room Controller (Optional)
58
Installation Check List
59
Operating the Boiler
60
Using the Front Panel
60
Turning the Boiler on or off
62
Start-Up Wizard
62
Adjusting the Temperature
62
Resetting the Boiler
63
Accessing Basic Menu Items
64
Accessing Advanced Menu Items
69
Error Codes
74
Maintaining the Boiler
75
Cleaning the Boiler
75
Draining the Boiler
75
Cleaning the Return Adapter Filter
76
Protecting the Boiler from Freezing
76
Routine Servicing
77
Appendices
85
Gas Conversion
85
Wiring Diagram
90
Ladder Diagram
91
Outdoor Temperature Sensor (Optional)
92

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