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
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
- 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

Navien NCB-240E Installation & Operation Manual (83 pages)

NCB-E Condensing Combi-Boilers

Brand: Navien | Category: Boiler | Size: 16.89 MB

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
4 Installing a Cascading System

32
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

Navien NCB-240E Installation & Operation Manual (13 pages)

NCB-E Condensing Combi-Boilers

Brand: Navien | Category: Boiler | Size: 1.7 MB

Navien NCB-240E Quick Installation Manual (4 pages)

Brand: Navien | Category: Boiler | Size: 4.52 MB

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Navien NCB-240E Manuals

Navien NCB-240E Service Manual (157 pages)

Table of Contents

1 Safety Information

2 Product Information

3 Technical Data

4 System Details

5 Troubleshooting

6 Replacement of Parts

7 Components Diagram and Part List

8 Inspection and Maintenance Schedule

Navien NCB-240E Installation & Operation Manual (83 pages)

Table of Contents

Safety Information

1 About the Boiler

2 Installing the Boiler

3 Installing the System Piping

4 Installing a Cascading System

5 Connecting the Gas Supply

6 Venting the Boiler

7 Setting the DIP Switches

8 Connecting the Power Supply

9 Installation Check List

10 Operating the Boiler

11 Appendixes

Navien NCB-240E Installation & Operation Manual (13 pages)

Table of Contents

Navien NCB-240E Quick Installation Manual (4 pages)

Table of Contents

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