To Next PageTo Next PageWhat to do if my Navien NCB-24LSWE Boiler has flame loss?
If your Navien Boiler experiences flame loss, here are some things to check: * Make sure the main gas valve is open and verify the incoming gas pressure. * Inspect the intake air filter. * Check the ground wire. * Check the power supply. * Tighten the ground terminals on the heat exchanger. * Adjust the anti-short cycle time.
What to do if my Navien NCB-24LSWE Boiler is overheating?
If the heat exchanger in your Navien Boiler is overheating, try these steps: * Clean the strainer. * Check the voltage via PCB at the pump (AC 230 V). * Ensure the flow rate is correct. * Verify water is circulating in the heating lines. * Inspect the heat exchanger and flush it with a cleaning solution if needed.
What to do if my Navien NCB-24LSWE has low water pressure?
If you're experiencing low water pressure with your Navien Boiler, you should: 1. Check the feeder valve. 2. Check the incoming water pressure and activity at the PRV.
What to do if my Navien Boiler has high water pressure?
If your Navien Boiler shows high water pressure, you can: 1. Check the feeder valve. 2. Check the incoming water pressure and activity at the PRV.
What to do if my Navien Boiler has false flame detection?
If your Navien Boiler is experiencing false flame detection, you can try the following: 1. Ensure that the ground wire is connected. 2. Check if the igniter is sparking.
What to do if my Navien NCB-24LSWE shows heat exchanger thermistor short error?
If your Navien Boiler displays a heat exchanger thermistor short error, check the heat exchanger thermistor connection.
What to do if my Navien Boiler shows exhaust thermistor open error?
If your Navien Boiler displays an exhaust thermistor open error, check the exhaust thermistor connection.
What to do if my Navien NCB-24LSWE shows hot water outlet thermistor open error?
If your Navien Boiler is showing a hot water outlet thermistor open error: 1. Check the thermistor. 2. Replace the thermistor if necessary.
General| Category | Boiler |
|---|---|
| Brand | Navien |
| Model | NCB-24LSWE |
| Efficiency | 95% AFUE |
| Fuel Type | Natural Gas / Propane |
| Water Connections | 3/4 inch |
| Vent Size | 2 inch |
Lists components included in the boiler packaging.
Details optional accessories available for the boiler.
Provides detailed specifications and performance data for the boiler models.
Illustrates and labels the key internal components of the boiler.
Shows boiler dimensions and supply connection points with measurements.
Explains how the boiler functions in space heating, DHW, and outdoor temperature modes.
Outlines the step-by-step process for installing the boiler.
Guides on selecting an appropriate site for boiler installation, considering utilities and clearances.
Details the procedure for securely mounting the boiler onto a wall.
Covers connecting the boiler to the space heating system, including piping.
Explains the process for connecting the boiler to the DHW system.
Provides instructions for properly connecting the condensate drain.
Specifies requirements for pipe sizing and water pressure for system installation.
Details requirements and installation for the pressure relief valve.
Guides on how to fill the boiler and heating system with water.
Outlines procedures for testing the water system after installation for leaks.
Specifies approved materials and installation practices for gas pipes.
Provides specific safety and installation guidance for LPG systems.
Details the procedure for measuring and verifying inlet gas pressure.
Specifies minimum distances for flue terminal placement.
Guides on choosing between coaxial and dual duct vent systems.
Explains installation and length limits for coaxial venting systems.
Covers installation and length limits for dual duct venting systems.
Details how to calculate total vent length, including elbow equivalents.
Provides guidance on typical venting configurations and clearances.
Explains settings for PCB DIP switches to configure boiler operation.
Details settings for front panel DIP switches for fuel and control configuration.
Guides on safely accessing the PCB and terminal strips for connections.
Provides instructions for routing and connecting cables to the boiler.
Details the process for making the main electrical power connection.
Explains how to connect a room thermostat for heating control.
Details how to connect to an OpenTherm compatible control system.
Guides on connecting an optional outdoor temperature sensor.
Describes the OpenTherm interface for modulating room controls.
Instructions for powering the boiler on and off using the control panel.
Guides on adjusting space heating and DHW temperatures via the control panel.
Explains how to access and view basic operating information on the display.
Details how to select and configure the boiler's operating modes.
Provides instructions for entering and modifying boiler operational parameters.
Guides on how to reset the boiler to factory default settings.
Instructions for converting the boiler from Natural Gas to Propane Gas.
Provides steps for cleaning the boiler's heat exchanger for maintenance.
Presents the electrical wiring diagram for the boiler system.
Shows the ladder logic diagram for the boiler's control system.
Details the installation and guidelines for the optional outdoor sensor.
