Navien NPE-210A Operation Manual Download Page 1

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.

* Lead Free

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.

Operation Manual

NPE Condensing Water Heaters

Model

NPE-180A
NPE-210A
NPE-240A
NPE-150S
NPE-180S
NPE-210S
NPE-240S

Summary of Contents for NPE-210A

Page 1: ...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...

Page 2: ...r Temperature 8 3 3 Viewing Basic Information 9 3 4 Resetting the Water Heater 9 4 Maintaining the Water Heater 10 4 1 Cleaning the Water Heater 10 4 2 Draining the Water Heater 10 4 3 Flushing the He...

Page 3: ...the gas control knob Neverusetools Iftheknobwillnotpushinorturnbyhand don t try to repair it call a qualified service technician Force or attempted repair may result in a fire or explosion D Do not u...

Page 4: ...plumber or your local plumbing authority for more information DANGER HOT BURN To prevent burns Use the lowest operating temperature setting necessary to provide comfortably hot water If your household...

Page 5: ...y will void the manufacturer s warranty Should overheating occur or the gas supply fail to shut off turn off the manual gas valve to the appliance Do not use this appliance if any part has been under...

Page 6: ...h Condensate Drain Connection 2 1 Description of the Water Heater The NPE series water heater is available in 7 models NPE 150S NPE 180A NPE 180S NPE 210A NPE 210S NPE 240A and NPE 240S The main feat...

Page 7: ...Error g Master Unit A code will appear on the display Cascade operation b Hot Water Recirculation h Display Recirculation Mode c Diagnostics button i Up button For installers only Increases the temper...

Page 8: ...tops flashing the temperature setting is stored Note The water heater will retain your settings during a power outage You can adjust the temperature by the below 10 degree increments depending on the...

Page 9: ...down button simultaneously for 10 seconds HIGH appears on the display To exit Commercial Mode Press the up and down button simultaneously for 10 seconds LoW appears on the display Note To adjust the t...

Page 10: ...o drain the water heater before performing maintenance tasks such as cleaning the inlet water filter or to prevent the water heater from freezing when it will not be used for an extended period Refer...

Page 11: ...s or larger Cleaning solution diluted with water 3 hoses A water circulation pump To flush the Heat Exchanger A A B B C C D D Navien Easy valve Kit Cold Water Line Hot Water Line Circulation Pump Flus...

Page 12: ...ever the water heater drains b Close the B valve and open the D valve Do not open the C valve yet c Allow water to flow through the water heater for 5 minutes d Close the A valve and open the C valve...

Page 13: ...on on the front panel to turn on the water heater 4 5 Cleaning the Air Intake Filter If the air intake filter becomes clogged by dust or lint the water heater will cease to operate and Error Code 110...

Page 14: ...strongly recommend the use of a direct vent exhaust and intake system Your installer should ensure that the exhaust vent pipe and the air intake pipe are both connected directly from the collars on t...

Page 15: ...the cold water inlet filter See 4 4 Cleaning the Inlet Water Filter and Recirculation Inlet Filter on page 12 Open the hot water faucet completely If an error code is displayed refer to 5 2 Understand...

Page 16: ...ical Support at 1 800 519 8794 E421 Cold water inlet1 thermistor open or short circuit Contact Technical Support at 1 800 519 8794 E432 Cold water inlet2 thermistor open or short circuit Contact Techn...

Page 17: ...omponent part s Navien at its sole descretion may replace the product with a new or refurbished product of comparable quality and design The replacement component part s will be warranted only for the...

Page 18: ...tion outside the United States and Canada Removal or alteration of the rating plate OtherTerms This Limited Warranty is subject further to the terms and conditions set forth herein and as may be furth...

Page 19: ......

Page 20: ...ontact a licensed professional for ected system for example a plumber or electrician When you contact Technical Support please have the following information at hand Model number Serial number Date pu...

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