Noritz GQ-C3260WXQ-FF US User Manual

FOR USE IN RESIDENTIAL OR MANUFACTURED HOME APPLICATIONS.
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.
Contact Noritz America at 1-866-766-7489, if you have any questions or concerns.
CONDENSING TANKLESS GAS WATER HEATER
Installation Manual
Models : NRCR111DV (GQ-C3260WXQ-FF US)
NRCR92DV (GQ-C2660WXQ-FF US)
NORITZ America Corporation
Requests to Installers
• In order to use the Water Heater safely, read
this installation manual carefully, and follow the
installation instructions.
• Failures and damage caused by erroneous work
or work not as instructed in this manual are not
covered by the Noritz America Limited Warranty.
• Check that the installation was done properly in
accordance with this Installation Manual upon
completion.
• After completing installation, either place this
Installation Manual and Owner’s Guide (the
warranty registration information included) in
a plastic pouch and attach it to the side of the
Water Heater (or the inside of the pipe cover
or recess box if applicable), or hand it to the
customer to retain for future reference. For the
warranty conditions and limitations, see the
Owner’s Guide.
CAUTION
If the information in these instructions 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.
WARNING
Low NOx Approved by SCAQMD
14 ng/J or 20 ppm
(Natural Gas Only)
SBB8168-4
Rev. 04/21

Noritz GQ-C3260WXQ-FF US Specifications

General

Fuel Type	Natural Gas
Flow Rate	6.6 GPM
Category	Residential
Gas Type	Natural Gas
Maximum Flow Rate	6.6 GPM
Type	Tankless
Maximum BTU Input	199, 000 BTU/h
Minimum BTU Input	15, 000 BTU/h
Ignition Type	Electronic Ignition
Venting	Direct Vent
Warranty	12-Year Limited Heat Exchanger, 5-Year Limited Parts

Summary

Specifications

Installation Clearances

Indoor Installation

Specifies required clearances for installing the water heater indoors.

Outdoor Installation

Installation of the Water Heater

Mounting the Water Heater to the wall

Step-by-step guide on securely mounting the water heater unit to a wall.

Filling the condensate container with water

Venting the Water Heater

Venting Installation Sequence

Outlines the step-by-step process for installing the venting system.

General Requirements

Maximum Vent Length

Select a Vent Type

Vent Pipe Installation (Direct Vent)

Horizontal Vent Termination

Vertical Vent Termination

Vent Pipe Installation (Non-Direct Vent)

Clearance Requirements from Vent Terminations to Building Openings

Specifies clearances for non-direct vent terminations to building openings.

Combustion Air

Connecting the Gas Supply

Gas Type

Importance of matching gas supply type to the water heater's rating plate.

Regulators

Ensuring gas regulators are operating properly and providing correct pressure.

Pressure

Pipe Sizing

Pressure Test

Measuring Gas Pressure

Connecting the Water Supply

Installation

Guidelines

Pressure Relief Valve

Requirements for installing a pressure relief valve, its rating, and discharge.

Connnecting water supply

Instructions for connecting water supply pipes, including material and joint considerations.

Cold water supply

Checks and considerations for cold water supply pressure and quality.

Freeze Prevention

Flushing the Heat Exchanger

Connecting the Condensate Drain

Connecting Electricity

Water Heater

Electrical grounding requirements and power supply specifications for the water heater.

Ground

Requirements for proper grounding to prevent electrical shock.

Remote Controller

Instructions for installing the remote controller and its cord.

Recirculation

On-demand Switch

Installation of the Remote Controller

General Requirements

Installation

Adjusting the Temperature / Water Quantity Display

Limiting the Maximum Output Temperature

Setting the DIP Switches

How to change the DIP switches

DIP Switch Listing

Setting for Recirculation

For RC-7651M-A

For RC-9018M

Trial Operation

Procedure to follow after step 5 for both installation of a single Water Heater and installation with a Quick Connect Multi-System

If error code “11”, “12”, “06/63” or “90” appears...

Combustion abnormality

Lighting Instructions

Shutdown Instructions

Plumbing Applications

Installation of the Quick Connect Multi-System

Typical Plumbing

Maintenance

Periodic Check

Procedure for Flushing the Heat Exchanger

For Single Water Heater

For Quick Connect Multi-System