Navien NPE-210A Operation Manual
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Navien NPE-210A Operation Manual

Condensing
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Operation Manual
NPE Condensing Water Heaters
Model
NPE-180A
NPE-210A
NPE-240A
NPE-150S
NPE-180S
NPE-210S
NPE-240S
WARNING
property damage, personal injury or death.
appliance.
What to do if you smell gas
Do not try to light any appliance.
Do not touch any electrical switch; do not use any phone in your building.
Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions.
The installation must conform with local codes or, in the absence of local codes, the National Fuel Gas Code,
ANSIZ223.1/NFPA 54 and/or CSA B149.1, Natural Gas and Propane Installation Code.
When applicable, the installation must conform with the Manufactured Home Construction and Safety
Standard, Title 24 CFR, Part 3280 and/or CAN/CSA Z240 MH Series, Mobile Homes.
Keep this manual near this water heater for future reference
whenever maintenance or service is required.
* The wetted surface of this product contacted by consumable water contains
less than one quarter of one percent (0.25%) of lead by weight.
* Lead Free

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Summary of Contents for Navien NPE-210A

  • Page 1 Operation Manual NPE Condensing Water Heaters Model NPE-180A NPE-210A NPE-240A NPE-150S NPE-180S NPE-210S NPE-240S Keep this manual near this water heater for future reference whenever maintenance or service is required. * The wetted surface of this product contacted by consumable water contains less than one quarter of one percent (0.25%) of lead by weight.

  • 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, personal injury, or death. Keep this manual for future reference. If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life.
  • Page 4 DANGER DANGER This water heater is set to 120 °F (49 °C) at the factory for your safety and comfort. Increasing the temperature increases the risk of accidental scalding. Water temperatures at or above 125 °F (52 °C) can cause instant scalding, severe burns, or death. Before you decide to change the temperature setting, read the following charts carefully.
  • Page 5 CAUTION WARNING Do not attempt to repair or replace any part of the water heater, unless it is specifically recommended in this manual. For all other service, contact an authorized technician or licensed professional. Improper adjustments, alterations, service, or maintenance may lead to property damage, personal injury, or death and will void your warranty.

  • Page 6: 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 7 models: NPE-150S, Combustion NPE-180A, NPE-180S, NPE-210A. NPE-210S, NPE-240A and NPE- Exhaust Air Intake 240S. Gas Vent...

  • Page 7: 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 8: Operating The Water Heater

    3. Operating the Water Heater 3.1 Turning the Water Heater On or Off 3.2 Adjusting the Water Temperature To turn the water heater on or off, press the Power button. WARNING Before adjusting the water temperature, read “To prevent burns:” on page 4 carefully. Water above 120 °F can cause instant scalding, severe burns, or death.

  • Page 9: Viewing Basic Information

    3.2.1 Using Commercial Mode 3.4 Resetting the Water Heater To use water above 140 °F (60 °C) (up to 182 °F (83 °C)), you can use If an error message appears, you can try resetting the water heater Commercial Mode. to resolve the problem.

  • Page 10: Maintaining The Water Heater

    4. Maintaining the Water Heater 4.1 Cleaning the Water Heater 3. Close the gas valve. CAUTION Make sure the water heater is turned off and the power supply is disconnected before cleaning the water heater. The water heater may remain hot for several minutes after it is turned off. To prevent burns, wait until the water heater has cooled down before cleaning.

  • Page 11: Flushing The Heat Exchanger

    11. To refill the water heater follow the steps of “Draining the Navien Easy valve Kit Water Heater” in reverse. Hot Water Line Cold Water Line...

  • Page 12: Cleaning The Inlet Water Filter And Recirculation Inlet Filter

    1. Press the Power button on the front panel to turn off the water 4.4 Cleaning the Inlet Water Filter and heater. Recirculation Inlet Filter 2. Disconnect the power supply to the water heater. To clean the filters: 3. Close the “C” and “D” valves on the hot and cold water lines. 1.

  • Page 13: Cleaning The Air Intake Filter

    4.5 Cleaning the Air Intake Filter 5. Pull the filter out of the water heater. If the air intake filter becomes clogged by dust or lint, the water heater will cease to operate and “Error Code 110” will appear on the front panel display.

  • Page 14: Protecting The Water Heater From Freezing

    CAUTION 2. Close the gas valve. Damage due to freezing is not covered by the Navien limited warranty. Freezing damage is most likely to occur due to back drafting caused by negative pressure in the building. This is not a manufacturing defect, and therefore, Navien will not warrant any damages due to freezing.

  • Page 15: Troubleshooting

    5. Troubleshooting 5.1 Solving Basic Problems If you experience a problem with the water heater, refer to the following chart for possible remedies. Error codes that appear on the front panel display are explained in the following section. For minor problems, resetting the water heater may resolve the issue.

  • Page 16: Understanding Error Codes

    5.2 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 Self-diagnostic / Action E003 Ignition failure Ensure that the main gas supply valve is open. E004 False flame detection Ensure that the electrical cord is properly grounded.
  • Page 17 Navien original factory component part(s). Navien. When the product is installed in a new construction, the Navien, at its sole descretion, may replace the product with a new commencement date shall be dated upon which the end-user or refurbished product of comparable quality and design.
  • Page 18 OR FITNESS FOR A PARTICULAR PURPOSE. Navien’s total liability for any claim arising hereunder shall not exceed the purchase price which you paid for the Product. NAVIEN SHALL NOT IN ANY EVENT BE LIABLE FOR INDIRECT, SPECIAL, CONSEQUENTIAL OR LIQUIDATED DAMAGES OR PENALTIES, INCLUDING CLAIMS FOR...
  • Page 20 Getting Service If your water heater requires service, you have several options for getting service: Contact Technical Support at 1-800-519-8794 or on the website: www.navien.com. For warranty service, always contact Technical Support Contact the technician or professional who installed your water heater.

This manual is also suitable for:

Npe-180aNpe-240aNpe-150sNpe-180sNpe-210sNpe-240s

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