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23

Warranty

Effective Terms

This 15 year limited warranty on heat exchangers, 

5 year limited warranty on parts, and 1 year 

limited-labor warranty (“Warranty”) covers defects 

in materials or workmanship when the Navien 

NHW700 Water Heater (“Product”) is installed by 

a properly licensed plumber or contractor and 

operated in strict compliance with the Installation 

manual procedures, subject to the terms within this 

Warranty document. Improper installation or use 

will void this Warranty. This Warranty runs from date 

of installation and extends to the original purchaser 

and subsequent owners, but only while the Product 

remains at the site of the original installation.

What is Covered?

Subject to the foregoing terms, Navien will 

repair or replace the covered Product or any part 

or component that is defective in materials or 

workmanship for a period of five (5) years in regard 

to parts and up to fifteen (15) Years in regard to 

the heat-exchanger for a Standard

1

 or Controlled-

Recirculation

2

 installation in a Residential* 

application. All repair parts must be genuine 

Navien parts. All repairs and replacements must be 

performed by an individual or servicing company 

that is properly licensed to do the type of repair.

When the Product is being used in an Uncontrolled-

Recirculation

3

 installation in a Residential* 

application, then the parts warranty will be reduced 

to three (3) years and the heat exchanger warranty 

to five (5) years as indicated in the Warranty 

Coverage Periods table.

When the Product is being used in an Standard

1

 or 

Controlled-Recirculation

2

 installation in a Combi

4

 

application, then the parts warranty will remain 

at five (5) years and the heat exchanger warranty 

will be reduced to five (5) years as indicated in the 

Warranty Coverage Periods table.

When the Product is being used in an Uncontrolled-

Recirculation

3

 installation in a Combi

4

 or 

Commercial application, then the parts warranty 

will be reduced to three (3) years and the heat 

exchanger warranty to three (3) years as indicated in 

the Warranty Coverage Periods table.

Navien will pay labor charges for the repair subject 

to Navien’s prior written approval and in accordance 

with Navien’s schedule of approved labor 

allowances for a period of one (1) year from the date 

of installation.

During the applicable warranty period, replacement 

of the Product or components may be authorized 

by Navien only. Navien does not authorize any 

person or company to assume for it any obligation 

or liability in connection with the replacement of 

the Product or its components. If it is determined 

that repair or replacement of a part, under warranty, 

is not possible, the Product will be replaced with a 

new Product having at least the same BTU capacity 

as the product at issue. The replacement component 

or product will be warranted only for the unexpired 

portion of the applicable warranty period for the 

original component or Product.

Warranty Coverage Periods

Application

Labor 

Warranty

Parts 

Warranty

H/Ex 

Warranty

Residential*

Standard

1

 

or Cont-

Recirc

2

1 year

5 years 15 years

Uncont.- 

Recirc

3

1 year

3 years  5 years

Commercial 

or Combi

4

Standard

1

 

or Cont-

Recirc

2

1 year

5 years  5 years

Uncont.- 

Recirc

3

1 year

3 years  3 years

*Applies only to single family, residential locations

1

 

Standard

 means there is no recirculation being 

used

2

  

Controlled-Recirculation

 means recirculation of 

the water through the water heater is controlled 

by either the water heater or an external aquastat.

3

  

Uncontrolled-Recirculation

 External pumps 

configured to circulate continuously through 

the water heater are subject to the uncontrolled 

recirculation warranty terms. An aquastat is the 

minimum pump control requirement for DHW or 

storage tank recirculation in order to maintain the 

full controlled recirculation warranty.

4

  

Combi 

refers to a combination potable water and 

space heating application. Water Heaters cannot 

be use in space heating only applications or this 

warranty will be voided.

6.    LIMITED WARRANTY NAVIEN, INC.

Содержание NHW700

Страница 1: ...e www navieninc com installers Contact a licensed professional for the affected system for example a plumber gas fitter or electrician When you contactTechnical Support please have the following infor...

Страница 2: ...ble vapors and liquids in the vicinity of this or any other appliance WHATTO DO IFYOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your buildi...

Страница 3: ...tion Indoor Models Only 12 3 4 Resetting theWater Heater 12 3 5 Entering Lock Mode 13 3 6 Setting the Clock 13 3 7 Setting the RecirculationTimer 14 3 8 Starting Recirculation 15 3 9 CancelingTimer Se...

Страница 4: ...ou do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life A This appliance does not have a pilot It is equipped with an ignitio...

Страница 5: ...ider installing a thermostatically controlled mixing valve or temperature limiting valve Contact a licensed plumber or your local plumbing authority for more information DANGER This water heater is se...

Страница 6: ...r heater is damaged Have your installer or plumber show you the location of the gas shut off valve and demonstrate how to close the valve If the water heater is damaged as a result of overheating fire...

Страница 7: ...g so may result in product damage or personal injury Do not allow children to operate or access the water heater Doing so may result in product damage or personal injury Do not attempt to change the w...

Страница 8: ...l recirculation The main features are as follows Potable domestic hot water and combination space heating Maximum temperature 140 F 60 C Stainless steel heat exchanger with stainless steel piping 2 2...

Страница 9: ...er 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 temperature d Info...

Страница 10: ...ller OK button on or off LCD display Indicates functions and current status LED indicator Indicates the status of water heater Green Normal Mode Red Error occurred OK button Confirms the selection Pow...

Страница 11: ...l gas valve If any part of the water heater has been submerged in water do not use this appliance and immediately call a qualified service technician The water heater must be replaced 3 1 Turning the...

Страница 12: ...ter 3 2 Adjusting the Water Temperature WARNING Before adjusting the water temperature read To prevent burns on page 4 carefully Water temperatures above 120 F can cause instant scalding severe burns...

Страница 13: ...resetting the water heater does not solve the problem refer to the Troubleshooting section of this manual or contact Technical Support at 1 800 519 8794 3 3 Viewing Basic Information Indoor Models On...

Страница 14: ...Lock Mode To prevent accidental pressing of the buttons and to prevent children from adjusting the controller you can activate the Temperature Lock Mode To activate or deactivate Lock Mode press the L...

Страница 15: ...ided in 30 minute increments 3 Set the deactivation time by pressing the Up or Down button or 4 Press the OK button to finish and save the updated time 3 7 Setting the Recirculation Timer 1 Press the...

Страница 16: ...e This feature runs during the recirculation time set on the front panel which the remote controller is connected to 3 9 CancelingTimer Settings Press and hold the Preheat Timer and OK button simultan...

Страница 17: ...it as dry as possible 4 2 Draining the Water Heater You need to drain the water heater before performing maintenance tasks such as cleaning the inlet water filter or to prevent the water heater from...

Страница 18: ...lug 11 To refill the water heater follow the steps of Draining the Water Heater in reverse 4 Close the water supply valve on the inlet to the water heater If there is no valve turn off the water suppl...

Страница 19: ...s 5 gallons or larger Cleaning solution diluted with water 3 hoses A water circulation pump 4 3 Flushing the Heat Exchanger NOTICE Flushing the Heat Exchanger can be a difficult procedure Read the fol...

Страница 20: ...5 Press the Power button on the front panel to turn on the water heater To flush the Heat Exchanger A A B B C C D D Navien Plumb Easy Valve Kit Cold Water Line Hot Water Line Circulation Pump Flushing...

Страница 21: ...directly from the collars on the top of the water heater to the outdoors This type of vent system minimizes air movement within the water heater Thiswaterheaterhasanoptionalrecirculation pump that is...

Страница 22: ...ntenance The water heater has a freeze protection function that requires electricity The freeze protection function will operate regardless of whether or not the power is turned on or off as long as t...

Страница 23: ...a check valve on the recirculation return line Clean the cold water inlet filter See 4 4 Cleaning the Inlet Water Filter on page 20 Open the hot water faucet completely It takes too long for hot wate...

Страница 24: ...the parts warranty will be reduced to three 3 years and the heat exchanger warranty to three 3 years as indicated in the Warranty Coverage Periods table Navien will pay labor charges for the repair s...

Страница 25: ...licensed to complete the necessary repair The installer and or service provider must comply with Navien s warranty service and return policy procedures as available on Navien s website including cont...

Страница 26: ...OF USE INCONVENIENCE OR LIABILITY ARISING FROM IMPROPER INSTALLATION SERVICE OR USE OF THE PRODUCT ANY IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS ARISING UNDER STATE LAW ARE LIMITED IN DURATIO...

Страница 27: ...Memo...

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