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SBB80J7-1

Rev. 05/16

 

Models : NC199OD (GQ-2857WZ US)

 

 

NC199DVC (GQ-2857WZ-FFA US)

TANKLESS GAS WATER HEATER

Owner’s Guide

NORITZ America Corporation

- Do not store or use gasoline or other flammable vapors and liquids in the 

vicinity of this or any other 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.

• If you cannot reach your gas supplier, call the fire department.

- Installation and service must be performed by a qualified installer, service 

agency or the gas supplier.

If the information in this manual is not followed exactly, a fire or explosion 

may result causing property damage, personal injury, or death.

WARNING

FOR USE IN RESIDENTIAL OR MANUFACTURED HOME APPLICATIONS.

CERTIFIED

R

*SBB80J7*

Low NOx Approved

by SCAQMD

14 ng/J or 20 ppm

(Natural Gas Only)

Thank you for purchasing this Noritz Tankless Gas Water Heater. 

Before using, please:

Read this manual completely for operation instructions.

Completely fill out the warranty registration card (included separately) 

and mail the detachable portion to Noritz America Corporation.

Keep this manual (and the remainder of the warranty registration card) 

where it can be found whenever necessary.

Installation must conform with local codes, or in the absence of local 

codes, the National Fuel Gas Code, ANSI Z223.1/NFPA 54  - latest edition 

and/or the Natural Gas and Propane Installation Code CSA B149.1 - 

latest edition.

When applicable, installation must conform with the Manufactured 

Home Construction and Safety Standard, Title 24 CFR, Part 3280 or the 

Canadian Standard CAN/CSA-Z240 MH Mobile Homes, Series M86.

Noritz America reserves the right to discontinue, or change at any 

time, the designs and/or specifications of its products without notice.

Summary of Contents for NC199-DVC

Page 1: ...ACTURED HOME APPLICATIONS CERTIFIED R SBB80J7 Low NOx Approved by SCAQMD 14 ng J or 20 ppm Natural Gas Only Thank you for purchasing this Noritz Tankless Gas Water Heater Before using please Read this...

Page 2: ...s situation which if not avoided may result in property damage CAUTION Be sure to do Ground Electric Shock DANGER Icons warning of risk level Important Safety Information 1 This is the safety alert sy...

Page 3: ...phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department C Use only your...

Page 4: ...tergent in the vicinity of the heater Prohibited Prohibited Prohibited Leave the proper clearance between the water heater and nearby objects trees timber boxes with flammable materials etc Be sure to...

Page 5: ...ff the water heater while someone is bathing Prohibited Do not use a broken or modified power cord Do not bind bend or stretch power cords Do not scratch modify or subject them to impact or force Do n...

Page 6: ...n water within the device and pipes even in warm environments Be sure to read below for appropriate measures Repairs for damage caused by freezing are not covered by the warranty Take necessary measur...

Page 7: ...ic Water Heater ON or OFF Operation 20 Locking the Remote Controller 22 Customizable Settings Misc settings 23 For System Rcrc Enabling Automatic Recirculation Operation 26 Manually Starting Recircula...

Page 8: ...e controller operation p 22 It is possible to automatically turn the water heater ON or OFF For recirculation systems It is possible to circulate hot water only during preferred times of day p 20 p 28...

Page 9: ...ng the water heater freeze prevention p 25 Restoring Default Settings Restoring default remote controller settings The set temperature can be restricted to a maximum level to prevent high temperature...

Page 10: ...rations Follow steps 1 through 4 1 Open the water supply valve Open a hot water fixture to confirm that water is available and then close the fixture again 3 Open the gas supply valve Hot water fixtur...

Page 11: ...Power Vented Model Air Inlet Water Supply Valve Gas Supply Valve Pressure Relief Valve Exhaust Vent Front Cover Water Drain Valve with Water Filter Inside Water Inlet p 36 NC199DVC GQ 2857WZ FFA US I...

Page 12: ...e hot water temperature p 18 the flow meter alarm and other settings Remote Controller Part Number Use to change system settings or to return to the home screen If you press the menu button and press...

Page 13: ...is displayed when the button is ON Normally the hot water temperature and the clock etc are displayed Flame Symbol During normal operation the set temperature is displayed Display for Recirculation O...

Page 14: ...ion During recirculation operation hot water is always circulated in the piping to provide instant hot water when a fixture is opened If you set the button to ON is displayed If synchro ON OFF is set...

Page 15: ...used Functions other than those shown on pages 26 to 31 can be used Depending on the configuration of your system not all functions may be used When you start using the system cold water in the pipin...

Page 16: ...10 minute increments if the button is kept pressed down If the display is left untouched for approximately 20 seconds without pressing the button the setting will be completed When the button is turn...

Page 17: ...ere burns instantly or death from scalding For All Systems Using the Water Heater If is displayed hot water will be discharged at the temperature of the storage tank For systems with recirculation ope...

Page 18: ...tton is ON 2 Set the temperature using the buttons inside the cover Ex 110 F Ex 105 F Cover shown in the open position If is displayed hot water will be discharged at the temperature of the storage ta...

Page 19: ...factory setting is 110 F If fixtures incorporate mixing valves set the temperature higher than usual 100 105 110 115 120 125 130 135 140 145 150 160 170 185 Shower hot water supply etc Washing dishes...

Page 20: ...is also possible to set only ON or OFF operation For recirculation systems circulation is started or stopped according to the button condition ON or OFF The time changes in 10 minute increments with...

Page 21: ...desired time your desired time Hint for operation Follwing this procedure allows for automated control of water heater operation without user interaction The setting time shown on the display of the...

Page 22: ...regardless if the button is ON or OFF The operations of and buttons are locked Approximately 3 seconds after locking the remote controller the display will return to the previous screen If you press t...

Page 23: ...ton inside the cover Select using the buttons Press the button The Misc settings screen appears Select using the buttons and then press the button Change the setting using the buttons Display Screen P...

Page 24: ...an be turned off completely Default setting Normal Change the setting using the buttons Select using the buttons and then press the button Press the button inside the cover Select using the buttons Pr...

Page 25: ...alternately displayed following steps 2 to 3 the drain function will stop 4 2 3 1 Restoring Default Settings Select settings can be restored to the factory default conditions See items marked with a...

Page 26: ...creen will be restored To check system status p 14 When synchro ON OFF is set to Yes recirculation can be activated automatically To change synchro ON OFF from Yes to No follow the same procedure as d...

Page 27: ...ng will be completed 1 2 Display when the recirculation is set to OFF 1 Select Recirc on off using the buttons 2 Press the button Display when recirculation is set to ON Cover shown in the open positi...

Page 28: ...normally For Setting the Recirculation System O The previous setting is displayed Every time when you press the button the time changes by one hour To keep the current Start time Press the button with...

Page 29: ...Carry out steps 1 to 2 2 Select Cancelled using the buttons 3 Press the button To Cancel the Recirculation System Operation Timer The timer will not activate without pressing the button If the time i...

Page 30: ...emory The screen returns to the home screen button is ON 1 Press the button inside the cover Select Flow meter using the buttons 2 Press the button If the display is left untouched for approximately 2...

Page 31: ...temperature at the fixture depending on conditions such as season or length of piping Turn off the hot water when the alarm sounds to prevent overfilling If the hot water temperature has been set so...

Page 32: ...not advisable to run water through the unit when it is OFF p 6 but in this case freeze prevention is more important Remember to set mixing valves and fixtures to their original levels before using the...

Page 33: ...d disconnect the electrical power supplied to the unit 3 4 5When the water is completely drained replace all drain plugs and close the hot water fixtures faucets 5 Open all drain plugs and drain the w...

Page 34: ...Damage from Freezing 3 Turning the Unit Back On 1 Check that all drain plugs are inserted 2 Check that all hot water fixtures faucets are closed 3 Follow the procedure on p 10 Initial operation steps...

Page 35: ...wet cloth Be sure to do To prevent burns or scalding turn off the power button and wait until the equipment cools before performing maintenance CAUTION Check For laundry newspaper timber oil spray ca...

Page 36: ...ter fixtures 3 With a bucket ready remove the inlet and outlet drain plugs about 0 2 gallon 0 8L will drain out 4 Take the water drain valve with water filter out of the inlet See illustration to righ...

Page 37: ...eeds to be flushed to prevent damage from Scale Build up Please contact Noritz America for more information about flushing the Heat Exchanger http support noritz com or 866 766 7489 1 2 3 4 F 0 1 2 3...

Page 38: ...n the temperature set on the remote controller If only a small amount of hot water is demanded it is possible for the temperature to be higher than the temperature set on the remote controller The wat...

Page 39: ...ther fixtures while filling the bath tub the tub will not fill as much If there is water in the tub already or when filling is stopped and restarted the tub will fill more The flow meter alarm does no...

Page 40: ...olume of water If hot water is used for other fixtures while filling the bath tub the alarm will sound before the tub is full If mixing valves are used or if cold water is mixed with hot water at the...

Page 41: ...cet sufficiently open Is the gas being cut off by the gas meter Can other gas devices such as stoves be used For LP Is there enough gas in the tank Can other gas devices such as stoves be used This is...

Page 42: ...e problem is solved Have a professional check the gas supply pressure Contact the nearest Noritz agent Abnormal combustion low gas supply pressure The unit may shut off and lock before long Needs to b...

Page 43: ...tion of the label Date of purchase see the warranty Details of problem flashing error codes etc in much detail as possible Your name address and telephone number Desired date of visit 1 2 Model code P...

Page 44: ...tallation If you want to reinstall the appliance at a different location confirm that the gas and power supply indicated on the rating plate are available at the new location If you are not sure consu...

Page 45: ...nce with the manufacturer s instructions and all applicable codes and requirements of the authority having jurisdiction The information in the instructions must be followed to minimize the risk of fir...

Page 46: ...Ignition 15 150 psi 0 5 GPM 2 L min 23 6 600mm x 13 8 350mm x 9 4 240mm 54 lbs 0 2 Gallon 1 0L 3 4 3 4 3 4 120 VAC 60Hz Zincified Steel Plate Polyester Coating Stainless Steel Copper Sheeting Copper...

Page 47: ...20 Options Specification NC199DVC GQ 2857WZ FFA US Indoor Wall Mounted Direct Ignition 15 150 psi 0 5 GPM 2 L min 23 6 600mm x 13 8 350mm x 11 0 280mm 58 lbs 0 2 Gallon 1 0L 3 4 3 4 3 4 120 VAC 60Hz...

Page 48: ...ness of the display screen when the remote controller is turned on Normal Operation sound of remote controller Yes Notification when a failure is generated Yes Items Default setting Clock display unse...

Page 49: ......

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