Noritz EZ111DV Owner's Manual
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Noritz EZ111DV Owner's Manual

Noritz EZ111DV Owner's Manual

Condensing tankless gas water heater
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CONDENSING TANKLESS GAS Water Heater
Models : EZ111DV
FOR USE IN RESIDENTIAL OR
MANUFACTURED HOME APPLICATIONS.
WARNING
• Do not store or use
gasoline or other
flammable vapors and
liquids in the vicinity
of this or any other
appliance.
NORITZ America Corporation
Owner's Guide
EZ98DV
If the information in this manual is not followed exactly, a fire or explosion may result
causing property damage, personal injury or death.
• 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.
(GQ-C3260WX-FF US)
(GQ-C2860WX-FF US)
Thank you for purchasing this Noritz Tankless Gas Water Heater.
Before using:
• 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.
SBB8163
Rev. 05/19
• Installation and service
must be performed by
a qualified installer,
service agency or the
gas supplier.
Low NOx Approved by SCAQMD
14 ng/J or 20 ppm
(Natural Gas Only)

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Summary of Contents for Noritz EZ111DV

  • Page 1 Models : EZ111DV (GQ-C3260WX-FF US) EZ98DV (GQ-C2860WX-FF US) Thank you for purchasing this Noritz Tankless Gas Water Heater. Before using: • 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.
  • Page 2 Important Safety Information To prevent damage to property and injury to the user, the icons shown below will be used to warn of varying levels of danger. Every indication is critical to the safe operation of the Water Heater and must be understood and observed. Potential dangers from accidents during installation and use are divided into the following four categories.

  • Page 3: Important Safety Information

    2. Turn off the power to the Water Heater. be a Carbon Monoxide Poisoning Hazard. 3. Turn off gas and water supply valves. Do not install this Water Heater in a mobile 4. Call the nearest Noritz agent. home when using SV conversion kit (“-SV” configuration). Explosion Hazard;...
  • Page 4 This product may contain such substances, be their origin from Consult the nearest Noritz agent if the Water fuel combustion (gas, oil) or components of Heater location needs to be changed. the product itself.

  • Page 5: Contents

    This may cause damage or failure. If the water supply is in excess of 12 gpg Contact Noritz before using with a solar pre- (200 mg/L) of hardness, acidic or otherwise heater. impure, treat the water with approved...

  • Page 6: Table Of Contents

    Contents Important Safety Information ....3 Contents ..........5 General Parts ........7 Water Heater ........7 Remote Controller ........ 8 Initial Operation ........9 Using the Water Heater ......10 Setting Hot Water Temperature ....11 Customizable Settings......12 Limiting the Maximum Output Temperature ..........

  • Page 7: General Parts

    General Parts Water Heater Indoor Installation Outdoor Installation Outdoor Vent Cap Flex Vent 2 in. Conversion Kit 1. Intake Pipe 2. Exhaust Pipe 3. Pressure Relief Valve 4. Hot Water Valve 5. Water Supply Valve 6. Water Drain Valve (with Water Filter) Inside Water Inlet (See page 17) 7.

  • Page 8: Remote Controller

    Remote Controller (RC-7651M-A) • What is actually displayed depends on how the Water Heater is set. • Before use, remove the protective sheet from the Remote Controller surface. 1. POWER Button / Indicator 5. BURNER ON Indicator For turning the Water Heater ON/OFF. When burning, the indicator is displayed.

  • Page 9: Initial Operation

    Initial Operation Before the first use, do the following: 1. Open the water supply valve. CLOSED OPEN 2. Open a hot water fixture/faucet to confirm that water is available, and then close the fixture/faucet again. Hot water fixture/faucet 3. Open the gas supply valve. 4.

  • Page 10: Using The Water Heater

    Using the Water Heater Operation 1. The button is ON. PRIORITY indicator is displayed. (e.g. 110°F) • The POWER indicator is displayed. • The previously set hot water supply temperature is shown. • The setting temperature displayed may vary from the actual temperature at the fixture depending on conditions such as season or length of piping.

  • Page 11: Setting Hot Water Temperature

    NOTE • Consult local codes for minimum temperature on the Remote operating temperatures. Controller approximately 20°F • Noritz recommends that water (10°C) higher than the required temperature is set as low as temperature to ensure the possible to prevent scale build-up appropriate fixture temperature.

  • Page 12: Customizable Settings

    Customizable Settings Limiting the Maximum Output Muting the Remote Controller Flow Meter Alarm Temperature The Remote Controller will The flow meter alarm is being The maximum output emit a sound when any button used to indicate when a tub is full. temperature can be limited to is pressed.

  • Page 13: Preventing Damage From Freezing

    Water Heater covers. If there remains a freezing risk, contact again to prevent scalding. the nearest Noritz agent. • If there is still a risk that the Water Heater will freeze, drain the Water Heater as shown on the next page.
  • Page 14 9. Close the gas valve and disconnect If the Water Heater will not be used for a the electrical power supplied to long period of time, drain the water. the Water Heater. Do not touch with wet hands. WARNING Manual Draining •...
  • Page 15 Turning the Water Heater Back On DANGER After the Water Heater has been out of use for a long time, make sure that you fill the condensate trap with water. This is to prevent dangerous exhaust gases from entering the building. Failure to fill the condensate trap could result in severe personal injury or death.

  • Page 16: Regular Maintenance

    Regular Maintenance Periodic Inspection Check : B For dust and soot in the exhaust vent or the exhaust vent terminal. Periodic check and maintenance should be Check : C performed once a year by a qualified service • For abnormal sounds during operation. technician to assure that all the equipment is •...
  • Page 17 (http://support.noritz.com/ or 1-866-766-7489) • Damage to the Water Heater as a result of below is not covered by the Noritz America Limited 2. With a bucket ready, remove the water drain Warranty. To ensure full warranty coverage, treat valve.

  • Page 18: Troubleshooting

    Troubleshooting Initial Operation The hot water is not the correct temperature. • Is the hot water fixture/faucet sufficiently open? The Water Heater does not attempt to ignite when water is running. Water takes time to become hot when turning • Check for reversed plumbing or crossed pipes. the hot water fixture/faucet.
  • Page 19 • Is the hot water fixture/faucet sufficiently open? The maximum flow available from EZ111DV (GQ- • Is the gas being cut off by the gas meter? (Can C3259WX-FF US) is 8.7 GPM (33 L/min) at a 45°F other gas devices such as stoves be used?) (25°C) temperature rise.
  • Page 20 Action : Check condensate drain line is clogged or frozen. If the display continues, contact nearest Noritz agent. Error Code : 99 Cause : Abnormal combustion Action : Contact the nearest Noritz agent. Error Code : C1# (# = 1-9) Cause : Service Reminder (Notice for periodic maintenance) Action : This Water Heater is equipped with an automatic service reminder.

  • Page 21: Follow-Up Service

    Follow-up Service Requesting Service First follow the instructions in the troubleshooting section. (See page 18-20) If the error is not corrected, contact Noritz America Technical Support at 1-866-766-7489. We will need to know: • The Model Check the rating plate (See page 4 for the location of the label) •...
  • Page 22 CK-83 Natural Gas to Propane of the appliance will be necessary. • This work must be performed by either Noritz or a qualified service agency and will be charged for 2. The following parts are supplied in the even during the warranty period. The qualified conversion kit.

  • Page 23: Specifications

    • Specifications may be changed without prior notice. • The capacity may differ slightly, depending on the water pressure, water supply, piping conditions, and water temperature. Item Specification Model Name EZ111DV (GQ-C3260WX-FF US) EZ98DV (GQ-C2860WX-FF US) Installation Indoor / Outdoor Wall mounted Type Air Supply / Exhaust...

This manual is also suitable for:

Ez98dvGq-c3260wx-ff usGq-c2860wx-ff us

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