Noritz N-084 User Manual

Model N-084
SAQ8720
Thank you for purchasing a Noritz Gas Water Heater. Before using this water heater, please:
• Read this manual to learn how to operate this water heater correctly.
• Make sure the date and location of purchase indicated on the warranty registration card is
included separately.
• Keep this manual (and the warranty registration card) where it can easily be found whenever
necessary.
NORITZ America Corporation
WARNING: If the information in this manual is not followed exactly, a fire or
explosion may result causing property damage, personal injury or death.
-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.
*SAQ8720 T*
R
“Owner’s Manual and Installation Guide
and Warranty Registration Card”

Noritz N-084 Specifications

General

Model	N-084
Category	Water Heater
Type	Tankless
Fuel Type	Gas
Gas Type	Natural Gas/Propane
GPM at 35°F Rise	8.4
Energy Factor	0.82
Efficiency	82%
Voltage	120 V
Weight	38 lbs
Warranty	12-Year Limited on Heat Exchanger, 5-Year Limited on Parts, 1-Year Limited on Labor
Flow Rate (GPM)	8.4 GPM
GPM at 45°F Rise	6.5 GPM
GPM at 77°F Rise	3.8 GPM

Summary

Important Safety Information - 1

Important Safety Information - 2

Important Safety Information - 3

Name and Functions of Components

Main unit

Details the primary components of the water heater unit, including external parts and connections.

Operation (Remote Controller)

Main remote controller (RC-7646M)

Identifies the main remote controller model and its basic layout.

Display

Explains the various indicators and information shown on the remote controller display.

Initial Operation

Running /Adjusting Hot Water

Tub Level Alarm

Muting the Sound of the Remote Controller

Prevention of Damage Caused by Freezing

Regular Maintenance

Inspection (Once a month)

Guidance on monthly checks for the water heater and its equipment.

Maintenance (once a month)

Instructions for routine monthly cleaning and upkeep of the water heater unit.

Water Filter Cleaning

Procedure for cleaning the water filter to ensure proper operation.

Troubleshooting-1

Troubleshooting-2

Troubleshooting-3

Follow-up Service

Specifications

External Outfitting

Combustion Unit and Gas Route

Hot-water Feed Route

Electronic Control Unit

Remote Controller and Attached Set

Installation Guide: Gas Water Heater

Gas Water Heater

General information and warnings specific to the gas water heater installation.

Included Accessories

Lists all accessories provided with the water heater package for installation.

Before Installation Checks

Essential checks for gas, power, and water supply before starting installation.

Choosing Installation Site

Guidelines for selecting a safe and appropriate location for water heater installation.

Installation Clearances

Specifies required clearances from combustible materials and equipment.

Securing to the Wall

Instructions on how to securely mount the water heater to the wall.

Exhaust Piping Installation

Details on installing the exhaust vent pipe correctly and safely.

Air Inlet Requirements

Specifications and considerations for providing adequate air inlet for the unit.

Gas Piping Installation

Guidelines for connecting the gas supply line to the water heater.

Supply Water and Hot Water Piping

Instructions for connecting the water supply and hot water outlets.

Electric Wiring

Procedure for safely connecting the electrical power supply to the unit.

Remote Controller Installation

Steps for installing the remote controller unit.

Trial Operation

Dimensional Outline Drawing

Wiring Diagram

Remote Controller Installation Guide

Request to Constructors

Important requests and advice for constructors performing the installation.

In-wall Wiring

Step-by-step instructions for routing the remote controller cord within walls.

Outdoor Wiring

Instructions for installing the remote controller cord for outdoor use.

Operating Instructions