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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.
• To ensure full coverage by the Noritz America Corporation
Limited Warranty service, see the warranty registration
information (page 22), and then visit the Noritz website
(www.noritz.com/warranty) to register your product.
• Keep this manual where it can be found whenever necessary
because the warranty registration information is included.
(See page 22)
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.
SBB8163-1
Rev. 11/20
• 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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Related Manuals for Noritz EZ111
Summary of Contents for Noritz EZ111
- 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. • To ensure full coverage by the Noritz America Corporation Limited Warranty service, see the warranty registration information (page 22), and then visit the Noritz website (www.noritz.com/warranty) to register your product.
- 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.
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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.
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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 ......9 Setting Hot Water Temperature ....10 Customizable Settings......11 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 15) 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 Using the Water Heater Before the first use, do the following: Operation 1. Open the water supply valve. 1. The button is ON. CLOSED OPEN PRIORITY indicator is displayed. 2. Open a hot water fixture/faucet to confirm that water is available, and then close the (e.g. -
Page 10: 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 11: 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 12: 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 13 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 •...
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Page 14: Regular Maintenance
Regular Maintenance Turning the Water Heater Back On Periodic Inspection DANGER After the Water Heater has been out of use for a Periodic check and maintenance should be long time, make sure that you fill the condensate performed once a year by a qualified service trap with water. - Page 15 Water Drain Valve (with Water Filter) Check : B For dust and soot in the exhaust vent or the exhaust vent terminal. If the water drain valve (with water filter) is covered with debris, the hot water may not run smoothly, Check : C or the Water Heater may put out cold water.
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Page 16: Troubleshooting
The plastic on the surface or buttons of the • Damage to the Water Heater as a result of below Remote Controller has torn, peeled, or air is not covered by the Noritz America Limited bubbles inside. Warranty. To ensure full warranty coverage, treat •... - Page 17 Amount of Hot Water The hot water is not the correct temperature. • Is the hot water fixture/faucet sufficiently open? The amount of hot water at a certain fixture is not constant. Water takes time to become hot when turning •...
- Page 18 • Condensation forms inside the Water Heater during operation and is discharged from the Cause : Abnormal combustion condensate drain pipe. Action : Contact the nearest Noritz agent. Error Code : C1# (# = 1-9) Cause : Service Reminder (Notice for periodic...
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Page 19: Follow-Up Service
Technical Support at 1-866-766-7489. of the appliance will be necessary. • This work must be performed by either Noritz or We will need to know: a qualified service agency and will be charged for •... - Page 20 NOTE • Make sure that all parts are replaced and properly installed by a qualified service agency. • A Noritz Remote Controller and a digital gas manometer are required to complete the installation. Do not proceed if this Water Heater is not immediately available.
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Page 21: Specifications
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 Power Vented... -
Page 22: Warranty
“Warranty Period” for the particular Product component as shown below. The date of Proper Installation must be provided to Noritz as well as a copy of the original receipt for the purchase of the Product to establish the Warranty Effective Date. - Page 23 4. What is Not Covered by this Warranty Please refer to the Installation Manual and Owner’s Guide supplied with your new Noritz Product. In addition, this Warranty becomes null and void if any of the following are determined to be contributing factors to failure of the Product under this Warranty: •...