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Noritz NRC1111-DV - User Manual

Noritz NRC1111-DV
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SBA8723
Rev. 10/11
Models : NRC1111-DV
NRC1111-OD
CONDENSING TANKLESS GAS WATER HEATER
Owners Guide
NORITZ America Corporation
-Donotstoreorusegasolineorotherammable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neighborsphone.Followthe
gassuppliersinstructions.
•Ifyoucannotreachyourgassupplier,calltheredepartment.
-Installationandservicemustbeperformedbyaqualiedinstaller,service
agencyorthegassupplier.
If the information in this manual is not followed exactly, a re or explosion
may result causing property damage, personal injury, or death.
WARNING
Thank you for purchasing this Noritz Tankless Gas Water Heater.
Before using, please:
Read this manual completely for operation instructions.
Completely ll 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.
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 specications of its products without notice.
FOR USE IN RESIDENTIAL OR MANUFACTURED HOME APPLICATIONS.
CERTIFIED
R
*SBA8723*
Low NOx Approved
by SCAQMD
14 ng/J or 20 ppm
(Natural Gas Only)

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Questions and Answers

  • P
    paveryAug 19, 2025
    Why does my Noritz NRC1111-DV unit attempt to ignite but fails?
    • G
      gpowellSep 12, 2025
      If your Noritz Water Heater attempts to ignite but fails, it could be due to air in the gas line. Try resetting the unit and trying again. If the issue persists, have a professional check the gas supply pressure.
  • T
    Tara FischerAug 21, 2025
    Why does my Noritz NRC1111-DV stop burning during operation?
    • K
      Kimberly CunninghamAug 21, 2025
      If your heater stops burning during operation, check the following: * Are the gas and water supply valves fully open? * Is the water supply cut off? * Is the hot water fixture sufficiently open? * Is gas being cut off by the gas meter? * Is there enough gas in the tank?
  • T
    Taylor MurphyAug 23, 2025
    How to troubleshoot Noritz NRC1111-DV when unit does not attempt to ignite?
    • L
      luis70Aug 23, 2025
      If your Noritz Water Heater doesn't attempt to ignite, check for reversed plumbing or crossed pipes. Also, check the water drain valve filter.
  • H
    Heather WilliamsAug 26, 2025
    Why does the light on the power button does not come on for Noritz NRC1111-DV?
    • K
      Kenneth DanielsAug 26, 2025
      If the light on the power button doesn't come on, check if there has been a power failure. Also, ensure the power is connected properly.
  • W
    wjonesAug 27, 2025
    What to do if hot water is not available when a fixture is opened in Noritz NRC1111-DV Water Heater?
    • C
      Cassandra HernandezAug 27, 2025
      If hot water isn't available when you open a fixture, check a few things: * Are the gas and water supply valves fully open? * Is the water supply cut off? * Is the hot water fixture sufficiently open? * Is the gas being cut off by the gas meter? * Is there enough gas in the tank? * Is the water drain valve filter clogged? * Is the power button turned on?
  • K
    kristenmoraAug 30, 2025
    What to do if no water is available when a fixture is opened in Noritz NRC1111-DV?
    • J
      Jeff FreyAug 30, 2025
      If no water is available when you open a fixture, check if the water supply is cut off, or if the heater is frozen. Check the water supply and ensure the heater is not frozen.
  • J
    jbakerSep 1, 2025
    How to fix cold water when only a single fixture is open with Noritz Water Heater?
    • L
      Lisa MorganSep 1, 2025
      If the water is cold when only a single fixture is open, it may be because the flow rate is less than 0.5 gallons (2L) per minute. Try opening the fixture more or opening other fixtures to increase the flow through the unit.
  • A
    Alyssa ThomasSep 3, 2025
    Why does the amount of hot water at a certain fixture is not constant from Noritz NRC1111-DV?
    • J
      James BranchSep 3, 2025
      The amount of hot water at a certain fixture may not be constant if other fixtures are demanding hot water. When hot water is used at other fixtures, the amount available may be reduced.
  • J
    Jacob ThompsonSep 5, 2025
    Why does amount of hot water available has decreased over time in Noritz Water Heater?
    • S
      Sharon LopezSep 5, 2025
      If the amount of hot water available has decreased over time, it could be because the supply water is hard and has not been treated. Scale can build-up in the water heater and decrease the maximum amount of hot water available.
  • P
    pamelaadamsSep 7, 2025
    Why does water take time to become hot when turning the hot water fixture in Noritz NRC1111-DV?
    • M
      Michael ReyesSep 7, 2025
      Have you allowed enough time for the cold water in the pipes to drain out?

Summary

Important Safety Information-1

Safety Symbol Definitions

Explains the meaning of various warning and operational symbols used in the manual.

Flammable Vapors Hazard Warning

Warns against storing or using flammable liquids near the water heater due to explosion and fire risk.

Scalding Hazard from Hot Water

Alerts users to the risk of severe burns from hot water exceeding 125°F (52°C), especially for vulnerable individuals.

Important Safety Information-2

Exhaust Vent & Carbon Monoxide Hazards

Warns about exhaust vent placement and carbon monoxide poisoning risks.

Flammable Substances & Spray Precautions

Advises against using flammable chemicals and sprays near the heater or vent terminal.

Installation Clearance Requirements

Details the required clearances around the water heater for safe operation and maintenance.

Important Safety Information-3

Unit Operation and Water Quality Cautions

Provides operational guidelines and cautions regarding water quality, cleaning, and unit usage.

Remote Controller Handling

Offers advice on handling the remote controller and keeping it dry and clean.

Freezing Prevention Measures

Provides guidance on preventing freezing damage to the unit and its plumbing.

Overview of Condensing Tankless Gas Water Heater

Condensing Technology Explained

Explains the high-efficiency operation of the condensing tankless water heater using a secondary heat exchanger.

Condensate Discharge Process

Details the formation and discharge of acidic condensate from the unit, noting it's not a leak.

Normal White Steam Emission

Explains that white steam emission during combustion is a normal occurrence due to moisture in exhaust gas.

General Parts -1

Main Unit Components (NRC1111-DV)

Illustrates and labels key components of the indoor wall-mounted unit (NRC1111-DV).

Main Unit Components (NRC1111-OD)

Illustrates and labels key components of the outdoor wall-mounted unit (NRC1111-OD).

General Parts -2

Remote Controller Overview

Provides an overview of the remote controller, its display, indicators, and buttons.

Initial Operation

Preparing for First Use

Outlines the four essential steps to prepare the water heater for its first use.

How to Use

Setting and Using the Water Heater

Guides users on powering on the unit and setting the desired hot water temperature via the remote controller.

High Temperature Warning Indicators

Explains the high-temperature warning indicators and precautions for temperatures above 125°F (52°C).

Temperature Setting Tables

Presents tables showing example temperature settings in Fahrenheit and Celsius for various uses.

Flow Meter Alarm Functionality

Explains how to use the flow meter alarm to indicate when a tub is full and potential issues.

Muting the Remote Controller

Details the procedure to mute or unmute the sounds emitted by the remote controller.

Adjusting Maximum Output Temperature

Guides users on how to change the upper limit of the hot-water supply temperature.

Preventing Damage from Freezing

Automatic Freeze Prevention

Explains the unit's automatic freeze prevention features and conditions where they are active.

Measures for Extremely Cold Temperatures

Provides specific steps to take when outside temperatures are extremely low to prevent freezing.

Draining the Water Heater

Details methods for draining the water heater for long-term storage or to prevent freezing.

Turning the Unit Back On After Freezing

Outlines the steps to safely turn the unit back on after it has been protected from freezing.

Regular Maintenance

Periodic Inspection Checklist

Lists items to inspect regularly for proper operation and potential issues.

Periodic Maintenance of Equipment

Describes how to clean the exterior of the water heater and its components.

Water Drain Valve Filter Cleaning

Provides instructions for cleaning the filter in the water drain valve to ensure proper flow.

Optional Maintenance: Isolation Valves

Describes the benefits and use of optional isolation valves for testing and flushing.

Troubleshooting

Initial Operation Issues

Addresses common problems encountered during the initial operation of the water heater.

Temperature Related Issues

Helps diagnose and resolve problems related to water temperature being too hot, too cold, or fluctuating.

Flow Rate and Temperature Stability

Discusses issues with inconsistent hot water flow and temperature, and their causes.

Remote Controller and Fan Sounds

Troubleshoots issues related to the remote controller display, buttons, and operational sounds.

Other Operational Issues

Covers other operational problems like stopping during use, white smoke, or turbid water.

Water Quality Impact

Explains how water quality can affect the unit and lists target water quality levels.

Check for an Error Code on the Remote Controller

Understanding Error Codes

Explains how error codes appear on the remote controller and provides actions for specific codes.

Contacting Noritz America for Support

Provides guidance on when and how to contact Noritz America for further assistance with errors.

Follow-up Service

Requesting Service and Support

Details how to request service, what information is needed, and contact information.

Warranty Information

Explains warranty registration, coverage, and repairs after the warranty period.

Repair Parts Availability

States the period for which repair and maintenance parts will be stocked.

Reinstallation Guidelines

Provides considerations for reinstalling the appliance in a new location.

Gas Conversion

When Gas Conversion is Necessary

Explains when and why gas conversion (e.g., Propane to Natural Gas) might be needed.

Qualified Service Agency Requirement

Emphasizes that gas conversion must be performed by a qualified service agency.

Conversion Kit Components and Installation

Lists the parts included in conversion kits and the general installation process.

Specifications

Model and Installation Specifications

Lists technical specifications for the NRC1111-DV and NRC1111-OD models, including dimensions and materials.

Performance Specifications

Details performance metrics such as gas consumption, hot water capacity, and temperature settings.

Noritz NRC1111-DV Specifications

General IconGeneral
BrandNoritz
ModelNRC1111-DV
CategoryWater Heater
LanguageEnglish

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