Table of Contents
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WARNING
If the information in these instructions is not followed exactly, a fire or explosion
may result, causing property damage or personal injury.
Do not store or use petrol or other flammable vapours and liquids in the vicinity of this or
–
any other appliance.
WHAT TO DO IF YOU SMELL GAS
–
Do not try to light any appliances.
Do not touch any electrical switch; do not use any phone in your building.
Immediately call the National Gas Emergency Helpline on (Freephone) 0800 111999 or your gas
supplier from a neighbour's phone. Follow the instructions received.
Installation and service must be performed by a Gas Safe registered installer, service
–
agency or the gas supplier.
User's
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
Gas
Model
NCB-24LDWE
NCB-28LDWE
Natural Gas
NCB-34LDWE
NCB-40LDWE
NCB-24LDWE
NCB-28LDWE
LPG
NCB-34LDWE
NCB-40LDWE
Keep this manual near this boiler for future reference
whenever maintenance or service is required.
Condensing Combi Boiler
GC Number
47-709-01
47-709-02
47-709-03
47-709-04
47-709-05
47-709-06
47-709-07
47-709-08
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Table of Contents
Related Manuals for Navien NCB-24LDWE
Summary of Contents for Navien NCB-24LDWE
- Page 1 Condensing Combi Boiler User’s 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 NCB-24LDWE 47-709-01 NCB-28LDWE 47-709-02 Natural Gas NCB-34LDWE 47-709-03 NCB-40LDWE 47-709-04...
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Page 2: 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 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 Setting Summer and Winter Mode 3.5 Resetting the Boiler 3.6 Setting the Front Panel Lock Mode... -
Page 3: 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 4 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 setting necessary to provide comfortably hot water.
- Page 5 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 6 Pressure Vessels: Directive 97/23/EEC in or out of the boiler. Navien, manufactures its products using a Quality Assurance system in compliance with Standard EN-ISO 9001:2000. This boiler has been approved for use in the UK and Ireland only.
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Page 7: About The Boiler
2. About the Boiler 2.1 Description of the Boiler 2.2 Parts of the Boiler The Navien NCB LDWE boiler is available in 4 models: NCB-24LDWE, NCB-28LDWE, NCB-34LDWE and NCB-40LDWE. Front View The main features are as follows: Coaxial Power Interruption: When the power is restored after a power... -
Page 8: The Front Panel
2.3 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. Refer to the following table for detailed information. - Page 9 Summer mode Indicates only DHW is operating. Indicates water pressure in bar. Winter mode Indicates DHW and heating operation. 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 space heating and DHW supply temperatures.
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Page 10: Operating The Boiler
3. Operating the Boiler 3.1 Turning the Boiler On or Off 2. Press the + (Up) or – (Down) buttons until the desired temperature appears on the display. To turn the boiler on or off, press the Power button. You can adjust the temperature while the display is flashing. If no buttons are pressed for 5 seconds or if the ECO button When the power is on, the water temperature of the space is pressed, the current temperature setting will be stored... -
Page 12: Setting Summer And Winter Mode
3.4 Setting Summer and Winter Mode Display Description Outdoor reset curve In warm weather, space heating is unnecessary. By using -: Not in use. Summer mode you can turn off the space heating and use DHW 1: Finned tube baseboard only. -
Page 13: Setting The Front Panel Lock Mode
Unlocking the Front Panel 3.6 Setting the Front Panel Lock Mode Press and hold the + (Up) and – (Down) buttons at the same The front panel lock mode is used to disable all control panel time for 5 seconds. buttons to prevent unauthorized boiler operation. -
Page 14: Troubleshooting
For minor problems, resetting the boiler may resolve the issue. To reset the boiler, press the Reset 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. Error Code Reason Reset Ignition failure Manual reset False flame detection Auto reset Flame loss Manual reset Heat exchanger overheat... -
Page 16: Warranty
Warranty Annual service 8. If your Navien boiler develops a fault your first action should be contact your installer, as his professional assessment For Navien warranty to be valid an annual service must be is needed under the terms of Navien Warranty. If you are... -
Page 17: Erp Information
ErP Information Product Fiche (EU regulation No 811/2013) KD Navien Unit NCB-24LDWE NCB-28LDWE NCB-34LDWE NCB-40LDWE Space heating : temperature application Medium Medium Medium Medium Water heating : the declared load profile Seasonal space heating energy efficiency class Water heating energy efficiency class... - Page 18 Memo...
- Page 19 Memo...
- Page 20 Model number Serial number Date purchased Installation location and type Error code, if any appears on the front panel display Version: 1.00 (Jun.17.2016) Navien LTD 3000 Hillswood Drive, Hillswood Business Park, Chertsey, Surrey, KT16 0RS, UK TEL 0844 332 2323 www.navien.co.uk...
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