Navien NCB-24LSWE Manuals

Manuals and User Guides for Navien NCB-24LSWE. We have 2 Navien NCB-24LSWE manuals available for free PDF download: Service Manual, Installation & Operation Manual

Navien NCB-24LSWE Service Manual (144 pages)

Condensing Combi Boiler

Brand: Navien | Category: Boiler | Size: 9.02 MB

Table of Contents
4
Navien Warranty
5
Warranty Period
5
1 Safety Information

7
- Safety Definitions
  7
- Safety Symbols
  7
- Instructional Symbols
  7
- Safety Precautions
  7
2 Product Information

14
- Components
  15
3 Technical Data

19
- General Specifications
  19
- Dimensions
  21
4 System Details

22
- Setting the DIP Switches
  22
  - PCB DIP Switches
    22
  - Front Panel DIP Switches
    23
- Measuring the Incoming Gas Pressure
  23
- Gas Conversion
  25
- The Front Panel
  32
  - LCD Display
    32
  - Error
    32
  - Buttons
    33
  - Turning the Boiler on or off
    35
  - Normal Operation
    35
  - Displaying and Resetting Errors
    37
  - Adjusting the Space Heating Temperature Set Point
    37
  - Adjusting the DHW Temperature
    38
  - Viewing Basic Information
    39
  - Displaying Error History
    41
  - Displaying Service Information
    42
  - Service Status Information
    45
  - Parameter Setting Mode
    47
  - Resetting the Boiler (Factory Reset)
    58
- Version Display
  59
- Heat Demand
  59
- Error Codes
  59
- Electrical Diagnostic Contacts and Wiring Diagram
  60
- Key Component Descriptions
  62
  - Pcb
    62
  - Error
    62
  - High Temperature Limit Switch
    63
  - Thermistor
    64
  - Fan Motor
    65
  - Flame Rod Assembly
    66
  - Ignition Transformer
    67
  - Aps
    68
  - Main Gas Valve
    69
  - Burner (to be Revised)
    70
  - Flow Sensor (to be Revised)
    71
  - Primary Heat Exchanger
    72
  - Secondary Heat Exchanger
    73
  - DHW Heat Exchanger
    74
  - Circulation Pump
    75
  - Way Valve
    76
  - Water Pressure Sensor
    77
  - Dual Venturi
    78
  - Expansion Tank
    79
5 Troubleshooting

80
- Error Code Classification
  80
- Error Code List and Actions
  81
  - Error
    84
  - Error
    86
  - Error
    92
  - Error
    93
  - Error
    96
  - Error 030
    98
  - Error
    100
    
    Error 060
    101
    
    Error 109
    103
    
    Error 110
    105
  - Error
    106
  - Error
    108
  - Error
    110
  - Error
    111
  - Error
    112
  - Error
    113
  - 421Error
    115
  - 515Error
    117
  - 517Error
    118
  - 740Error
    119
  - 782Error
    120
- Troubleshooting Guide by Symptom
  121
  - Noise
    121
  - Water Temperature Issue
    122
  - Circuit Breaker Operation
    123
6 Replacement of Parts

124
- Replacement Procedure
  124
- Components Replacement Instructions
  125
  - Pcb
    125
  - Fuse
    125
  - Fan Motor (Combustion Air)
    125
  - Flame Rod
    126
  - Ignition Transformer
    127
  - Aps
    128
  - Main Gas Valve
    128
  - Condensate Trap
    129
  - Circulation Pump
    130
  - Flow Sensor
    130
  - 3-Way Valve
    131
  - Water Pressure Sensor
    131
  - DHW Heat Exchanger
    132
  - Expansion Tank
    132
7 Components Diagram and Part List

133
- Case Assembly
  133
- Burner Assembly
  134
- H-Ex Assembly
  135
- Waterway Assembly
  136
- Gas Assembly
  137
- Fan Assembly
  138
8 Inspection and Maintenance Schedule

139
- Annual Servicing
  139
- Maintenance Report
  139
- Maintenance Schedules
  139
- Inspection Report
  139

Navien NCB-24LSWE Installation & Operation Manual (63 pages)

Condensing Combi Boiler

Brand: Navien | Category: Boiler | Size: 15.06 MB

Table of Contents
3
Safety Information

4
1 About the Boiler

8
- Items Included
  8
- Accessories
  8
- Technical Data
  9
- Components
  11
- Dimensions
  15
- Operating Modes
  16
- Installation Procedure
  18
  - Gas Changeover
    18
  - Gas Connection
    18
  - System Installation
    18
  - Dip Switch Settings
    18
  - Electrical Connections
    18
2 Installing the Boiler

19
- Choosing an Installation Location
  19
- Mounting the Boiler to the Wall
  21
3 Installing the System Piping

22
4 Connecting the Gas Supply

26
5 Venting the Boiler

29
- Flue Terminal Positions
  29
- Selecting a Vent System
  30
- Coaxial Systems
  31
- Dual Duct Systems
  32
- Measuring Vent Length
  34
- Terminating the Vent
  34
6 Setting the DIP Switches

35
- PCB DIP Switches
  35
- Front Panel DIP Switches
  35
7 Connecting Electrical Supplies

36
8 Installation Check List

39
9 Operating the Boiler

40
- Turning the Boiler on or off
  40
- Adjusting the Temperature
  40
- Viewing Basic Information
  41
- Setting the Operation Mode
  42
- Setting the Parameters
  42
- Resetting the Boiler
  49
10 Appendixes

50
- Gas Conversion
  50
- Cleaning the Heat Exchanger
  56
- Wiring Diagram
  59
- Ladder Diagram
  60
- Outdoor Temperature Sensor (Optional)
  61
- Gas Boiler System Commissioning Checklist
  62
- Service Record
  63

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Navien NCB-24LSWE Manuals

Navien NCB-24LSWE Service Manual (144 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-24LSWE Installation & Operation Manual (63 pages)

Table of Contents

Safety Information

1 About the Boiler

2 Installing the Boiler

3 Installing the System Piping

4 Connecting the Gas Supply

5 Venting the Boiler

6 Setting the DIP Switches

7 Connecting Electrical Supplies

8 Installation Check List

9 Operating the Boiler

10 Appendixes

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