EasyManua.ls Logo

Noritz EZ111 User Manual

Noritz EZ111
24 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
FOR USE IN RESIDENTIAL OR
MANUFACTURED HOME APPLICATIONS.
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.
NORITZ America Corporation
Owner’s Guide
CONDENSING TANKLESS GAS Water Heater
Models : EZ111DV (GQ-C3260WX-FF US)
EZ98DV (GQ-C2860WX-FF US)
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
neighbors phone. Follow the gas suppliers
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
Low NOx Approved by SCAQMD
14 ng/J or 20 ppm
(Natural Gas Only)
SBB8163-1
Rev. 11/20
Question and Answer IconNeed help?

Do you have a question about the Noritz EZ111 and is the answer not in the manual?

Noritz EZ111 Specifications

General IconGeneral
TypeTankless
Fuel TypeNatural Gas
Max Flow Rate11.1 GPM
Installation TypeIndoor
Vent TypeDirect Vent
Gas TypeNatural Gas or Propane
Maximum BTU Input199, 900 BTU/h
Voltage120V
Water Connection Size3/4 inch
Gas Connection Size3/4 inch
VentingPVC, CPVC
Input BTU/h199, 900 BTU/h

Summary

Owner's Guide

Safety Warning

Warning about potential fire or explosion if manual instructions are not followed, leading to property damage or injury.

Important Safety Information

Safety Alert Icons

Explains the meaning of safety alert symbols (DANGER, WARNING, CAUTION, NOTICE) for varying levels of risk.

Flammable Liquids Hazard

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

Scalding Hazard

Alerts to severe burn risk from hot water over 125°F (52°C), especially for vulnerable individuals.

Important Safety Information (Continued)

Ignition Device and Gas Leak Detection

Details on the automatic ignition system and procedures for detecting and responding to gas leaks.

Installation Clearances

Specifies required clearances for indoor and outdoor installations to ensure proper ventilation and safety.

Important Safety Information (Continued)

Gas and Power Supply Match

Ensures the supplied gas type and electrical rating match the appliance's requirements.

Electrical Safety Precautions

Emphasizes grounding the appliance and keeping the power cord dry and free of dust.

California Proposition 65 Notice

Informs about chemical substances in the product that may be known to cause cancer or reproductive harm.

Important Safety Information (Continued)

Water Quality and Scale Prevention

Advises on treating water with high hardness or acidity to ensure warranty coverage and prevent scale.

Freezing Prevention Measures

Recommends actions to prevent freezing damage when the appliance is unused for extended periods.

General Parts

Water Heater Components

Diagrams and labels key components for indoor and outdoor installation, including intake and exhaust pipes.

Conversion Kit Components

Illustrates parts included in the Flex Vent 2 in. Conversion Kit and Outdoor Vent Cap.

Remote Controller Overview

Controller Buttons and Indicators

Details the function of the POWER, SETTINGS, and navigation buttons, and the indicators like PRIORITY and BURNER ON.

Initial Operation and Use

Startup Procedure

Step-by-step guide to prepare the water heater for its first use, including opening valves.

Operating the Water Heater

Instructions on how to turn on the unit and identify the BURNER ON indicator during combustion.

Setting Hot Water Temperature

Temperature Adjustment

Guide on using the ▲/▼ buttons on the remote controller to set the desired hot water temperature.

Temperature Setting Options

Provides example temperature settings (°F and °C) for various applications like dishes or showers.

Customizable Settings

Limiting Maximum Output Temperature

Caps the maximum output temperature to prevent excessively hot water discharge.

Muting Remote Controller Sound

Instructions on how to mute or unmute the audible feedback from the remote controller buttons.

Flow Meter Alarm Setup

Configures the flow meter alarm to indicate when a tub is full, preventing overfilling.

Preventing Damage from Freezing

Automatic Freeze Prevention

Explains how the built-in freeze prevention heater operates to protect the unit from freezing.

Cold Weather Protection Measures

Provides steps for extremely cold temperatures to protect the water heater and piping from freezing.

Preventing Damage from Freezing (Continued)

Draining for Long-Term Storage

Detailed instructions for draining the water heater to prevent freezing when unused for extended periods.

Manual Draining Procedure

Step-by-step guide for manually draining all water from the water heater and piping.

Turning the Water Heater Back On

Post-Storage Restart Procedure

Steps for safely restarting the water heater after a period of inactivity, including filling the condensate trap.

Regular Maintenance

Periodic Inspection Points

Checks for air intake blockages, exhaust vent condition, pressure relief valve, and water leaks.

Water Drain Valve Cleaning

Instructions for cleaning the water drain valve and filter to ensure proper hot water flow.

Periodic Cleaning of Surfaces

Guidance on wiping the exterior of the water heater and remote controller with a damp cloth.

Troubleshooting

Initial Operation and Remote Controller Issues

Addresses ignition failures, power indicator not lighting, and temperature changes after power loss.

Remote Controller Appearance

Guidance on handling peeling protective sheets on the remote controller without affecting functionality.

Water Temperature Availability

Diagnoses issues with hot water not being available or experiencing temperature fluctuations.

Troubleshooting (Continued)

Incorrect Water Temperature and Flow

Covers scenarios where water is too hot, not hot enough, or flow rates affect heating.

Water Flow Rate Limitations

Explains minimum flow rate requirements and how flow affects heating performance.

Troubleshooting (Continued)

Other Operational Issues and Smoke

Addresses operational stoppages, white smoke, turbid water, and blue water appearance.

Error Code Diagnosis and Resolution

Interprets error codes (11, 90, 99, C1#) and provides recommended corrective actions.

Follow-up Service and Warranty

Requesting Service

Details required information for contacting technical support and scheduling service.

Warranty Information Overview

Summarizes warranty coverage periods for components and parts, and the process for registration.

Gas Conversion Process

Explains the requirements and procedures for converting the water heater to a different gas type.

Product Specifications

Technical Specifications

Lists model details, installation type, power requirements, materials, and safety devices.

Performance Metrics

Details gas consumption, maximum hot water capacity, and available temperature settings.

Noritz Limited Warranty

Warranty Coverage Details

Specifies warranty periods for heat exchanger and parts/labor based on product type and installation conditions.

How to Use the Warranty

Provides instructions on making a warranty claim, including necessary information and notification procedures.

Warranty Exclusions and Registration

What is Not Covered by Warranty

Lists conditions, misuse, or environmental factors that void the warranty or are excluded from coverage.

Warranty Registration Process

Details on how to register the Noritz product online or by phone to activate warranty coverage.

Related product manuals