Navien NPN-120E User'S Information Manual Download Page 27 | Manualshive

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Summary of Contents for NPN-120E

Page 1: ...viceagencyorthegassupplier Theinstallationmustconformwithlocalcodesor intheabsenceoflocalcodes theNationalFuelGas Code ANSIZ223 1 NFPA54 Whenapplicable theinstallationmustconformwiththeManufacturedHom...

Page 2: ...re 11 3 3 Viewing Basic Information 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 Recirculation timer 14 3 8 Starting Recirc...

Page 3: ...ion device which automatically lights the burner Do not try to light the burner by hand B BEFORE OPERATING smell all around the appliance area for gas Be sure to smell next to the floor because some g...

Page 4: ...ontrolled mixing valve or temperature limiting valve Contact a licensed plumber or your local plumbing authority for more information DANGER This water heater s water temperature is set to 120 F 49 C...

Page 5: ...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 flood or any other reason close the manual shut off val...

Page 6: ...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 water...

Page 7: ...domestic hot water and combination space heating Maximum temperature 140 F 60 C Stainless steel Heat Exchanger with stainless steel piping 2 2 Parts of the Water Heater Air Intake Air Intake Exhaust...

Page 8: ...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...

Page 9: ...er button Turns the remote controller on or off Lock button Locks the other button operations Down button Decrease the temperature or value Up button Increase the temperature or value Preheat Timer bu...

Page 10: ...supply to the water heater at the manual 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...

Page 11: ...er heater 3 2 Adjusting the Water Temperature 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 deat...

Page 12: ...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...

Page 13: ...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...

Page 14: ...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...

Page 15: ...and ON This feature runs during the recirculation time set on the front panel which the remote controller is connected to 3 9 Canceling all timer settings Press and hold the Preheat Timer and OK butt...

Page 16: ...it is not waterproof Keep 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 prev...

Page 17: ...licensed professional Keep in mind that improper maintenance can void your warranty Refer to the 2 2 Parts of the Water Heater on page 7 for details about part locations Before flushing the Heat Excha...

Page 18: ...r 15 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 Easy valve Kit Cold Water Line Hot Water Line Circulation Pump Flushing Ki...

Page 19: ...d the air intake pipe are both connected 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 Thiswaterheate...

Page 20: ...ires electricity The freeze protection function will operate regardless of whether or not the power is turned on or off as long as the electric supply is still connected Do not close the gas valve exc...

Page 21: ...return line Clean the cold water inlet filter See 4 4 Cleaning the Inlet Water Filter on page 19 Open the hot water faucet completely If an error code is displayed refer to 5 2 Understanding Error Co...

Page 22: ...00 519 8794 E109 Abnormal operation fan motor Contact Technical Support at 1 800 519 8794 E110 Abnormal air pressure Ensure that the vent pipe is free of obstructions E127 Abnormal operation Air volum...

Page 23: ...ormal operation outdoor temperature sensor Contact Technical Support at 1 800 519 8794 E760 Flushing service alarm Contact the installer to perform routine service E762 Vent pipe not properly inserted...

Page 24: ...en 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...

Page 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...

Page 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...

Page 27: ......

Page 28: ...ter heater Contact a licensed professional for the affected system for example a plumber or electrician When you contactTechnical Support please have the following information at hand Model number Ser...

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