Navien NPE-24AWE User's Information Manual

Condensing water heater
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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
Model
NPE-24AWE
NPE-24SWE
NPE-32AWE
NPE-32SWE
These appliances are for use with natural gas or LPG.
(An LPG conversion kit is included with the water
heater.)
Type: B23-B33-B53-C13-C33-C43-C53-C63-C83
Keep this manual near this water heater for future reference
whenever maintenance or service is required.
Condensing Water Heater

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Summary of Contents for Navien NPE-24AWE

  • Page 1 Condensing Water Heater User’s Information Manual Model NPE-24AWE NPE-24SWE NPE-32AWE NPE-32SWE These appliances are for use with natural gas or LPG. (An LPG conversion kit is included with the water heater.) Type: B23-B33-B53-C13-C33-C43-C53-C63-C83 Keep this manual near this water heater for future reference whenever maintenance or service is required.
  • Page 2: Table Of Contents

    Contents 1. Safety Information 2. About the Water Heater 2.1 Description of the Water Heater 2.2 Parts of the Water Heater 2.3 The Front Panel 3. Operating the Water Heater 3.1 Turning the Water Heater On or Off 3.2 Adjusting the Water Temperature 3.3 Viewing Basic Information 3.4 Resetting the Water Heater 4.
  • Page 3: Safety Information

    1. Safety Information The following safety symbols are used in this manual. Read and follow all safety instructions in this manual precisely to avoid WARNING unsafe operating conditions, fire, explosion, property damage or personal injury. Keep this manual for future reference. If you do not follow these instructions exactly, a fire or explosion may result DANGER...
  • Page 4 DANGER WARNING This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge provided they have been given supervision or BURN instruction concerning to the use of the appliance in a safe way and understand the hazards involved.
  • Page 5 DANGER WARNING This water heater is set to 50°C at the factory for your safety and comfort. Increasing the temperature increases the risk of accidental scalding. Water temperatures at or above 52°C can cause instant scalding or severe burns. Before you decide to change the temperature setting, read the following charts carefully.
  • Page 6 Do not operate the water heater with CAUTION the front cover opened. Doing so may result in fire or carbon Do not attempt to repair or replace monoxide (CO) poisoning, which may any part of the water heater, unless result in property damage or personal it is specifically recommended in this injury.
  • Page 7 0063 Failure to do so may result in electric shock. Navien, hereby declares that the water heater models: NPE-24AWE, NPE-24SWE, NPE-32AWE, NPE-32SWE When servicing the controls, label all wires prior to disconnecting them. to which this declaration refers, conform to and comply with...
  • Page 8: About The Water Heater

    2. About the Water Heater 2.1 Description of the Water Heater 2.2 Parts of the Water Heater The NPE-series water heater is available in four models: NPE- Coaxial 24AWE, NPE-24SWE, NPE-32AWE, and NPE-32SWE (Intake/Exhaust) The main features are as follows: Potable domestic hot water, combination space heating, and commercial applications Maximum temperature: 85°C...
  • Page 9: The Front Panel

    2.3 The Front Panel The front panel allows you to adjust the water temperature and view the operating status or error codes. Remove the protective sheet from the front panel before using it. Error Master Unit A code will appear on the display Cascade operation Hot Water Recirculation Display...
  • Page 10: Operating The Water Heater

    3. Operating the Water Heater 3.1 Turning the Water Heater On or Off The water heater is set to 48.5°C by default. To adjust the water temperature: To turn the water heater on or off, press the Power button. 1. Make sure that all hot water faucets are closed, and ensure that the internal circulator and any external circulating pumps are off.
  • Page 11: Viewing Basic Information

    3.2.1 Using Commercial Mode 3.4 Resetting the Water Heater To use water above 60°C (up to 85°C), you can use Commercial If an error message appears, you can try resetting the water Mode. heater to resolve the problem. To reset the water heater, press the Reset button.
  • Page 12: Troubleshooting

    To reset the water heater, press the Reset button on the front panel. If resetting the water heater and attempting the remedies suggested below do not resolve the problem, contact Navien Technical Assistance Service (TAS) or a Gas Safe Registered Engineer.
  • Page 13: 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. Auto reset Reason Self-diagnostic / Action E003 Ignition failure Manual reset E004 False flame detection Auto reset E012 Flame loss...
  • Page 14 During the 2-year period following the start-up date, of the water heater includes reading the user and installation Navien will carry out any repairs of original flaws or defects instructions and all applicable documents, and complying with totally free of charge.
  • Page 15 ErP Information Product Fiche (EU regulation No 812/2013) KD Navien Unit NPE-24AWE NPE-24SWE NPE-32AWE NPE-32SWE Declared load profile Water heating energy efficiency class Water heating energy efficiency Annual electricity consumption Annual fuel consumption Default temperature setting °C 48.5 48.5 48.5 48.5...
  • Page 16 Memo...
  • Page 17 Memo...
  • Page 18 Memo...
  • Page 20 When you contact an official Technical Assistance Service (TAS), please have the following information at hand: Model number Serial number Date purchased Installation location and type Error code, if any appears on the front panel display. Version: 1.00(Mar.12.2018) Navien Ltd 3000 Cathedral Hill, Guildford, Surrey, GU2 7YB TEL 0844 332 2323 www.navien.co.uk...

This manual is also suitable for:

Npe-24sweNpe-32sweNpe-32awe

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