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Manual
Getting Service
If your boiler requires service, you have several options for getting service:
Contact an official Technical Assistance Service (TAS) at 0844 332 2323 or go to the website
●
(www.navien.co.uk).
For warranty service, always contact an official Technical Assistance Service (TAS) first.
Contact the technician or professional who installed your boiler.
●
Contact a Gas Safe Registered engineer.
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When contacting an official Technical Assistance Service (TAS), please have the following
information available:
Model number
●
Serial number
●
Date purchased
●
Installation location and type
●
Error code, if any appears on the front panel display
●
Condensing Combi Boiler
Navien LTD
Building 2, Guildford Business Park, Guildford, GU2 8XH
TEL 0844 332 2323 www.navien.co.uk
Version: 1.00 (October, 2020)
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Summary of Contents for Navien NCB700-24L
- Page 1 Serial number ● Date purchased ● Installation location and type ● Error code, if any appears on the front panel display ● Version: 1.00 (October, 2020) Navien LTD Building 2, Guildford Business Park, Guildford, GU2 8XH TEL 0844 332 2323 www.navien.co.uk...
- Page 2 Information Manual These appliances are for use with natural gas or LPG. ● (An LPG conversion kit is included with the boiler.) Type: B23-B33-B53-C13-C33-C43-C53-C63-C83 ● Model GC Number NCB700-24L NCB700-28L Natural Gas NCB700-34L NCB700-40L NCB700-24L NCB700-28L NCB700-34L NCB700-40L Keep this manual near this boiler for future reference whenever maintenance or service is required.
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Page 3: Table Of Contents
Contents 1. Safety Information 2. About the Boiler 2.1 Description of the Boiler 2.2 Parts of the Boiler 2.3 Using the Front Panel 3. Operating the Boiler 3.1 Turning the Boiler On or Off 3.2 Adjusting the Temperature 3.3 Viewing Basic Information 3.4 Resetting the Boiler 4. -
Page 4: Safety Information
1. Safety Information The following safety symbols are used in this manual. Read and B. BEFORE OPERATING smell all around follow all safety instructions in this manual precisely to avoid unsafe operating conditions, fire, explosion, property damage or the appliance area for gas. Be sure to personal injury. - Page 5 Water Time in which a young child can suffer DANGER Temperature a full thickness (3rd degree) burn 70°C Less than 1 second 60°C 1 second 55°C 10 seconds 49°C 10 minutes 37°C Very low scald risk BURN WARNING To prevent burns: Use the lowest operating temperature ●...
- Page 6 Do not place or use hair sprays, spray CAUTION ● paints, or any other compressed gases near the boiler or flue system, Do not attempt to repair or replace ● including the flue termination. any part of the boiler, unless it is Doing so may result in fire or explosion.
- Page 7 Pressure Vessels: Directive 97/23/EEC line, that could obstruct the air flow Navien, manufactures its products using a Quality Assurance in or out of the boiler. system in compliance with Standard EN-ISO 9001:2000. This boiler has been approved for ●...
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Page 8: About The Boiler
2. About the Boiler 2.1 Description of the Boiler 2.2 Parts of the Boiler The Navien NCB700 boiler is available in 4 models: NCB700-24L, NCB700-28L, NCB700-34L, NCB700-40L. Front View The main features are as follows: Coaxial Power Interruption: When the power is restored after a power ●... -
Page 9: Using The Front Panel
2.3 Using the Front Panel The front panel allows you to adjust the temperature and view the operating status or error codes. Remove the protective sheet from the front panel before using it. 2.3.1 Icons and Digital Display The icons and digital display on the front panel provide important information required for the boiler’s operation. - Page 10 2.3.2 Buttons Using the buttons on the front panel, you can turn on or off the boiler, monitor the current operation status, and set the values required for the boiler’s operation, such as central heating and DHW supply temperatures. Refer to the following table for detailed information. Menu button Back button Access to the Main menu screen.
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Page 11: Operating The Boiler
3. Operating the Boiler 3.1 Turning the Boiler On or Off 2. Press the OK button ( ) to select the space heating temperature ( ). The highlighted section will flash. To turn the boiler on or off, press the Power button ( 3. -
Page 12: Viewing Basic Information
3.3 Viewing Basic Information 2. In normal operation mode, press the Up button ( ) The DHW temperature ( ) is highlighted on the screen. To view information about the boiler, press the Menu button ), and then select “2. Status Information”. 3. -
Page 13: Resetting The Boiler
Item Description 14. Fan Current RPM Fan speed (RPM) 15. Fan Target APS Fan target speed (APS) 16. Fan Current APS Fan speed (APS) 17. Exhaust Temp Exhaust temperature (°C) 18. OTC ON/OFF OTC status (Enabled/Disable) 19. K-Factor Set Value K-Factor set value 20. -
Page 14: Troubleshooting
To reset the boiler, press the Back button ( ) on the front panel. If resetting the boiler and attempting the remedies suggested below do not resolve the problem, contact Navien Technical Assistance Service (TAS) or a Gas Safe Registered Engineer. -
Page 15: Understanding Error Codes
4.2 Understanding Error Codes When an error code appears on the front panel, refer to the following chart for a definition and possible remedy for the situation. Item Error Code Description Reset E001 Overheating of heat exchanger Manual E003 Ignition failure Manual E004 False flame detection... -
Page 16: Warranty
Ensure the appliance and suitably qualified and Gas Safe registered installer. its accessories, where applicable, are suitably disposed of. 5. Navien Warranty will be null and void in the following cases: Packaging If the annual service by a suitably qualified and Gas Safe ●... -
Page 17: Erp Information
ErP Information Product Fiche (EU regulation No 811/2013) KD Navien Unit NCB700-24L NCB700-28L NCB700-34L NCB700-40L Central heating : temperature application Medium Medium Medium Medium Water heating : the declared load profile Seasonal central heating energy efficiency class Water heating energy efficiency class...
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