Sign In
Upload
Manuals
Brands
Navien Manuals
Boiler
NCB-240E
Navien NCB-240E Manuals
Manuals and User Guides for Navien NCB-240E. We have
4
Navien NCB-240E manuals available for free PDF download: Service Manual, Installation & Operation Manual, Quick Installation Manual
Navien NCB-240E Service Manual (157 pages)
NCB-E Condensing Water Heaters
Brand:
Navien
| Category:
Water Heater
| Size: 29.58 MB
Table of Contents
Table of Contents
5
Requirements for the State of Massachusetts
7
Navien Warranty
8
Warranty Exclusions
8
1 Safety Information
11
Safety Definitions
11
Safety Symbols
11
Symbols Used in the Instructions
11
Safety Precautions
11
2 Product Information
15
Components
16
3 Technical Data
18
General Specifications
18
Dimensions
20
4 System Details
21
Setting the DIP Switches
21
Measuring the Inlet Gas Pressure
23
Gas Pipe Sizing Tables (Referenced from 2012 National Fuel Gas Code)
25
Gas Conversion
27
The Front Panel
33
Icons and Digital Display
33
Buttons
34
Turning the Boiler on or off
36
Normal Operation
36
Error Display and RESET
38
Adjusting the Space Heating Temperature
38
Adjusting the DHW Temperature
39
Viewing Basic Information (for Homeowner)
40
Error Occurrence History Display
42
Information Display (for Servicer)
43
Special Parameter Mode
48
Resetting the Boiler (Factory Reset)
58
Cascade Protocol Settings
58
Cascade Set-Up Procedure for NP/NR Series Models
59
Version Display
60
Error Codes
60
Ladder Diagram
61
Electrical Diagnostic Point & Wiring Diagram
62
Key Components Description
65
Pcb
65
High Limit Switch
66
Thermistor
67
Fan Motor
68
Flame Rod Assembly
69
Ignition Transformer
70
Aps
71
Main Gas Valve
72
Burner
73
Flow Sensor
74
Primary Heat Exchanger
75
Secondary Heat Exchanger
76
DHW Heat Exchanger
77
Circulation Pump
78
3-Way Valve
79
Water Pressure Sensor
80
Auto Feeder Valve
81
Dual Venturi
82
5 Troubleshooting
83
Error Code Classification
83
Error Code List
84
001Error
87
003Error
90
004Error
96
012Error
98
016Error
102
030Error
104
046Error
106
060Error
107
109Error
109
110Error
111
205Error
113
218Error
115
351Error
117
352Error
119
353Error
120
407Error
121
421Error
123
439Error
125
515Error
127
517Error
128
740Error
129
777Error
130
782Error
131
Troubleshooting Guide by Symptom
132
Noise
132
Water Temperature Issue
133
Circuit Breaker Operation
134
6 Replacement of Parts
135
Replacement Procedure
135
Components Replacement Instructions
135
Pcb
135
Fuse
136
Fan Motor (Combustion Air)
136
Flame Rod
137
Ignition Transformer
138
Aps
138
Main Gas Valve
139
Condensate Trap
140
Flow Sensor
141
Circulation Pump
142
3-Way Valve
143
Water Pressure Sensor
144
Space Heating Strainer
144
Auto Feeder Valve
145
DHW Heat Exchanger
145
7 Components Diagram and Part List
146
Case Assembly
146
Burner Assembly
147
Waterway Assembly (NCB)
149
Waterway Assembly (NCB-E)
151
Fan (Gas) Assembly
153
8 Inspection and Maintenance Schedule
155
Annual Servicing
155
Maintenance Report
155
Maintenance Schedules
155
Inspection Report
155
Advertisement
Navien NCB-240E Installation & Operation Manual (83 pages)
NCB-E Condensing Combi-Boilers
Brand:
Navien
| Category:
Boiler
| Size: 16.89 MB
Table of Contents
Table of Contents
3
Safety Information
4
1 About the Boiler
7
Items Included
7
Accessories
7
Specifications
8
Components
10
Dimensions
12
Rating Plate
13
2 Installing the Boiler
14
Choosing an Installation Location
14
Mounting the Boiler to the Wall
16
3 Installing the System Piping
17
Installing a Space Heating System
17
Installing a Domestic Hot Water (DHW) System
20
Connecting the Condensate Drain
23
System Fill Connection
26
Testing the Water System
27
Examples of System Applications
27
4 Installing a Cascading System
32
Connecting Water Supplies
32
Connecting the Communication Cables
33
Configuring the Communication Settings
33
5 Connecting the Gas Supply
35
Gas Pipe Sizing Tables
37
Measuring the Inlet Gas Pressure
38
6 Venting the Boiler
40
Selecting a Vent Type
40
Selecting Vent Pipe Materials
44
Measuring Vent Length
45
7 Setting the DIP Switches
48
PCB DIP Switches
48
Front Panel Dip Switches
49
8 Connecting the Power Supply
50
9 Installation Check List
51
10 Operating the Boiler
54
Turning the Boiler on or off
54
Adjusting the Temperature
54
Viewing Basic Information
55
Setting the Operation Mode
56
Setting the Parameters
56
Resetting the Boiler
63
11 Appendixes
64
Gas Conversion
64
Wiring Diagram
70
Ladder Diagram
71
Component Assembly Diagrams and Parts Lists
72
Outdoor Temperature Sensor (Optional)
80
Outdoor Reset Control (Available with Optional Outdoor Temperature Sensor)
80
Navien NCB-240E Installation & Operation Manual (13 pages)
NCB-E Condensing Combi-Boilers
Brand:
Navien
| Category:
Boiler
| Size: 1.7 MB
Table of Contents
Burner Assembly
4
Waterway Assembly
6
Fan (Gas) Assembly
8
Outdoor Reset Control (Available with Optional Outdoor Temperature Sensor)
10
Getting Service
13
Advertisement
Navien NCB-240E Quick Installation Manual (4 pages)
Brand:
Navien
| Category:
Boiler
| Size: 4.52 MB
Table of Contents
Water Piping Connections
2
Condensate Drain Connection
2
Electrical Connections
3
Power Connection
3
Operating the Boiler
4
Measuring the Inlet Gas Pressure
4
Advertisement
Related Products
Navien NCB-240
Navien NCB-24LSWE
Navien NCB-24LDWE
Navien NCB-240/110H
Navien NCB-240/130H
Navien NCB-210
Navien NCB-28LSWE
Navien NCB-210E
Navien NCB-28LDWE
Navien NCB-20LHWE
Navien Categories
Boiler
Water Heater
Remote Control
Controller
Water Filtration Systems
More Navien Manuals
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL