Noritz ProTough NR98DVC Manuel utilisateur

Potential dangers from accidents during installation and use are divided into the following three

categories. Closely observe these warnings, they are critical to your safety.

Prohibited Disconnect

Power Ground Be sure to do

WARNING: If the information in this manual is not followed exactly, a fire or explosion may result

causing property damage, personal injury or death.

NORITZ AMERICA

CORPORATION

Installation Manual

TANKLESS GAS WATER HEATER

NR98-DVC (Indoor Installation)

DANGER indicates an imminently hazardous situation which,

if not avoided, will result in death or serious injury.

WARNING indicates a potentially hazardous situation which,

if not avoided, could result in death or serious injury.

CAUTION indicates a potentially hazardous situation which,

if not avoided, may result in minor or moderate injury.

DANGER

WARNING

CAUTION

SBA8350

Rev. 09/09

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 warranty.

• Check that the installation was done properly in accordance with this Installation Manual upon

completion.

•

After completing installation, please either place this Installation Manual 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. Also, be sure to fill in all of the required

items on the warranty and to hand the warranty to the customer along with the Owner's Guide.

CAUTION

FOR USE IN RESIDENTIAL, COMMERCIAL, OR MANUFAC-

TURED 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 CSA B149.1, Natural Gas and Propane In-

stallation Code (NSCNGPIC).

When applicable, installation must conform with the Manufac-

tured 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.

CERTIFIED

Low NOx

Approved by

SCAQMD

Accepted For Use

City of New York

Department of Buildings

MEA 19-03-E

*SBA8350*

Included Accessories

The following accessories are included with the unit.

Check for any missing items before starting installation.

Q’tyShapePart

Tapping Screw 1

each

Part Shape Q’ty

Optional Accessories

The accessories listed below are not

included with the units, but may be necessary

for installation.

Q’tyShapePartPart Shape Q’ty

Quick Connect

Cord 1

Isolation Valves

(includes pressure

relief valve)

Pipe Cover

(PC-5S)

Owner's Guide, Warranty,

Installation Manual

(this document)

Part No. Description

4"-CVP-4STR

12"-CVP-12STR

24"-CVP-24STR

36"-CVP-36STR

Adjustable

Part No. Description

CVT-S

Flange

Adapter

Horizontal Termination

Flange Elbow

Part No. Description

CRC CAIP

90 Elbow

Adjustable

90 Elbow

Support Strap

CVP-45ELB

CRF-P

Standard Horizontal Kit

FP-5-OUT

CRF-20

Part No. Description

Roof Flashing

(Adapter A)

CRFB-55

Straight Straight

Termination

11"-CVP-11ADJ

16"-CVP-16ADJ

40"-CVP-40ADJ

Rain Cap

CWF

Air Intake pipe

Roof Flashing

(Cap)

Roof Flashing

(Base)

CVP-90ELB SS5-2

Roof Flashing

(Adapter B)

CRFA-40

45 Elbow Plate

CVP-90ADJELB

CWF-90ELB Horizontal Kit - CVK-H

Vertical Kit - CVK-V

Quick Connect

Cord

Gas Supply Piping

Cold Water Supply

Hot Water

Remote Controller

Cord

Connector

Cord

Connector

Quick Connect Multi System Installation

• The Quick Connect Multi System allows the installation of two units together utilizing only the Quick

Connect Cord.

Typical Plumbing

The Quick Connect Cord is 6 ft. long. Install the units 2-18" apart from each other to ensure the

cord will be able to reach between the units. (See Typical Plumbing diagram).

(If the distance between the two units is too great, not only will the cord not be able to reach,

but the water temperature may also become unstable because of the difference in pipe length

between the two units).

* When connecting two units, disconnect

the remote controller connector from the

other unit.

Note: Connect the remote

controller to only one

of the units.

System Diagram

•Insulate the hot water piping to prevent heat loss. Insulate and apply heating materials to the cold

water supply piping to prevent heat loss and freezing of pipes when exposed to excessively cold

temperatures.

Leave enough clearance around the plumbing

to apply insulation. It will be necessary to add

bends to the piping to ensure that this

clearance is available.

Size the piping to allow for the maximum

flow rates of the units.

Distance at center: 16-32".

Union

Hot Water

Shutoff

Valve

Cold Water

Distance on sides

2-18".

Make this distance as short as possible.

* The hot water temperature will

become unstable as the pipe

length increases.

Union

Quick Connect

Cord

Pressure

Relief

Valve

Shutoff

Valve

Union

Gas Valve

Shutoff Valve

4. Before Installation

Checkup

• Check the fixing brackets and vent pipe yearly for damage or wear. Replace if necessary.

DANGER

Do Not Use Equipment for Purposes Other Than Those Specified

•Do not use for other than increasing the temperature of the water supply, as unexpected accidents

may occur as a result.

Check Water Supply Quality

•If the water supply is in excess of 12 grains per gallon (200 mg/L) of hardness, acidic or otherwise

impure, treat the water with approved methods in order to ensure full warranty coverage.

WARNING

CAUTION

Check the Gas

•Check that the rating plate indicates the

correct type of gas.

•Check that the gas supply line is sized for

199,900 Btuh for this unit.

Check the Power

•The power supply required is 120VAC, at 60Hz.

May result in fire or electric shock.

Use Extreme Caution if Using With a Solar Pre-Heater

• Using this unit with a solar pre-heater can lead to unpredictable output temperatures and

possibly scalding. If absolutely necessary, use mixing valves to ensure output temperatures do

not get to scalding levels. Do not use a solar pre-heater with the quick-connect multi-system.

Precautions on Vent Pipe

•This appliance requires the use of special concentric type vent pipe specified by Noritz America.

Do not attempt to use materials that are not specified for use on this appliance.

Improper venting may result in a fire, property damage, or exposure to Carbon Monoxide.

Snow Precaution

•If this product will be installed in an area where snow is known to accumulate, protect the vent

termination from blockage by snow drifts or damage from snow falling off of roofs.

199,900

168,000

3.3

3.1" 3.1"

3.3

192,800

162,000

199,900 BTU

11,000 BTU 202

4.0

0.65 3.1"

10.5"

750

10.3a-2007

15 150

4.3a-2007

NR98-DVC

5. Choosing Installation Site

* Locate the appliance in an area where leakage from the unit or connections will not result in damage

to the area adjacent to the appliance or to the lower floors of the structure. When such locations

cannot be avoided, it is recommended that a suitable drain pan, adequately drained, be installed

under the appliance. The pan must not restrict combustion air flow.

•Locate the vent terminal so that there are no obstacles around the termination and so that ex-

haust can't accumulate. Do not enclose the termination with corrugated metal or other materials.

•Avoid places where fires are common, such as those where gasoline,

benzene and adhesives are handled, or places in which corrosive gases

(ammonia, chlorine, sulfur, ethylene compounds, acids) are present.

Using the incorrect voltage may result in fire or cracking.

•Avoid installation in places where dust or debris will accumulate.

Dust may block the air-supply opening, causing the performance of the

device fan to drop and incomplete combustion to occur as a result.

•Avoid installation in places where special chemical agents

(e.g., hair spray or spray detergent) are used.

Ignition failures and malfunction may occur as a result.

• Carbon Monoxide Poisoning Hazard. Do not install this water heater in a

recreational vehicle or on a boat.

•The water heater is designed for indoor installation only. Never install it

outdoors or in a bathroom, it may be damaged or a fire may be caused.

•Consult with the customer concerning the location of installation.

• Install the water heater in an area that allows for the proper clearances

to combustible and noncombustible construction. Consult the rating

plate on the appliance for proper clearances.

•Do not install the water heater in a place where it may be threatened by

falling objects, such as under shelves.

• The water heater must be installed in a place where supply and exhaust

pipes can be installed as directed.

•Do not install the water heater where the exhaust will blow on outer

walls or material not resistant to heat. Also consider the surrounding

trees and animals.

The heat and moisture from the water heater may cause discoloration of

walls and resinous materials, or corrosion of aluminum materials.

Prohibited

DANGER

WARNING

CAUTION

Prohibited

•Avoid installation above gas ranges or stoves.

•Avoid installation between the kitchen fan and stove. If oily

fumes or a large amount of steam are present in the installation

location, take measures to prevent the fumes and steam from

entering in the equipment.

• Install in a location where the exhaust gas flow will not be

affected by fans or range hoods.

• Take care that noise and exhaust gas will not affect neighbors.

Avoid installation on common walls as the unit will make some

operational noises while it is running.

•Before installing, make sure that the exhaust flue termination will

have the proper clearances according to the National Fuel Gas

Code (ANSI Z223.1).

State of California: The water heater must be braced, anchored or strapped to avoid moving during an

earthquake. Contact local utilities for code requirements in your area or call: 1-866-766-7489 and request

instructions.

Be sure to do

Prohibited

CAUTION

The Commonwealth of Massachusetts: The water heater can be used for hot water only and not in a

combination of domestic and space heating.

For Venting Manufacturers Requirements, see websites or phone numbers listed below:

Noritz N-Vent www.noritz.com

6. Installation Clearances

Before installing, check for the following:

Install in accordance with relevant building and mechanical codes, as well as any local, state or

national regulations, or in the absence of local and state codes, to the National Fuel Gas Code ANSI

Z223.1/NFPA 54 – latest edition. In Canada, see NSCNGPIC for detailed requirements.

WARNING

Item

Distance from combustibles

• Maintain the following clearances

from both combustible and

non-combustible materials.

•There must be a clearance of 24" or

more in front of the Flue terminal.

• This restriction will not be applied to an

area where an effective shield makes a

clearance of 24" or more in front of the

exhaust outlet.

Check Illustration

• If possible, leave 8" or more on either

side of the unit to facilitate inspection.

•If possible, leave 24" or more in front of

the unit to facilitate maintenance

and service if necessary.

•If possible, leave 3" or more above and

below the vent pipe to facilitate inspec-

tion and repair if necessary

Securing of space for

repair/inspection

24" or

8" or

Outdoor Clearances to Opening

into Any Building

Distance from

the side

12"

2" or

12"

or more

12" or

There must be no

building opening

within this area.

12" or

Flue terminal

or more

4" or

7. Installation

Securing to the wall

Clearance Requirements from Vent Terminations to Building Openings

*All clearance requirements are in accordance with ANSI Z21.10.3 and the National Fuel Gas Code,

ANSI Z223.1 and in Canada, in accordance with NSCNGPIC.

Vent Terminal

Clearance

A= Above grade, veranda, porch, deck,

or balcony

B= Window or door that may be opened 12" (36")

C= Permanently closed window

Vertical clearance to ventilated soffit

located above the terminal within a

horizontal distance of 2 feet from the

center of the terminal *

E= Unventilated soffit *

F= Outside corner *

G= Inside corner *

H= Each side of center line extended

above meter/regulator assembly 3' within a height 15' above

meter/regulator assembly

I= Service regulator vent outlet 3'

J= Nonmechanical air supply inlet or

combustion air inlet to any other

appliance 12" (36")

K= Mechanical air supply inlet 3' above if within 10' (6')

L= Above paved sidewalk or paved

driveway located on public property

Under veranda, porch, deck, or

balcony

(7' ***)

()= indicates clearances required in Canada

*Maintain clearances in accordance with local installation codes and the requirements of the gas supplier

***A vent shall not terminate directly above a sidewalk or paved driveway that is located between two

single family dwellings and serves both dwellings.

****Permitted only if veranda,porch,deck,or balcony is fully open on a minimum of two sides beneath the floor.

* (12"- Canada Only****)

12" (12")

Air Supply Inlet

Area Where Terminal

is Not Permitted

IllustrationCheck

6. Drill holes for the remaining four screws.

7. Hang the unit again by the first screw, and then

insert and tighten the remaining four screws.

8. Take waterproofing measures so that water does

not enter the building from screws mounting the

device.

•Make sure the unit is installed securely so that it will

not fall or move due to vibrations or earthquakes.

• The distance between the unit and the wall can be ad-

justed within the range of 0.4 - 1.8". Adjust the brack-

ets as necessary to accommodate the vent system

(factory default is 0.4").

Loosen the four screws in the mounting bracket (upper),

match the desired mark to the back of the unit, and then

tighten the screws.

Loosen the four screws in the mounting bracket (lower) and

secure it in the same position as the upper mounting bracket.

3. Drill a single screw hole, making sure to hit a stud.

4. Insert and tighten the screw and hang the unit by

the upper wall mounting bracket.

Determine the positions for the remaining four screws

(two for the top bracket and two for the bottom), and

remove the unit.

• The weight of the device will be applied to the wall. If the strength of the wall is not suffi-

cient, reinforcement must be done to prevent the transfer of vibration.

•Do not drop or apply unnecessary force to the device when installing. Internal parts may

be damaged and may become highly dangerous.

• Install the unit on a vertical wall and ensure that it is level.

Locating Screw Holes

Mounting

Structure

•When installing with bare hands, take caution to

not inflict injury.

•Be careful not to hit electrical wiring, gas, or water

piping while drilling holes.

Item

CAUTION

Be sure to do

Mounting Bracket

(upper)

Tapping Screw

Location of Screw Hole

Locating Screw Holes

Installations at Elevations

Above 2,000 ft.

•If this water heater is being installed at an elevation of 2,000

ft. (610m) or higher, disconnect the connector labeled "High

Elevation Disconnect" as illustrated on the right. This con-

nector is located inside the unit.

HIGH ELEVATION

DISCONNECT

•Disconnect power to the water heater before disconnecting

this connector. Failure to perform this step will result in a

"73" code displayed on the remote controller and a cease in

operation. If this occurs, disconnect, then reconnect power

to the water heater to reset the system.

0.4 - 1.8"

mounting bracket

(upper)

mounting bracket

(lower)

mark

(0.4" intervals)

> 3"

0.8"-3"

< 0.8"

Straight Termination Installation Precautions.

Note the following vent terminal installation requirements

•Do not install the vent terminal indoors

•Install the vent terminal with a downward slope

upward

slope

downward

slope

•Install with the proper length protruding through the wall •Avoid storing hazardous

objects near the terminal

Gasoline

Gas

Proper installation.

The red line can be

seen, but not more

than 2.2" from the wall.

Vent terminal

not far

enough

too far

Snow

drift Tree

•Avoid installing the terminal where obstacles

will block it

•

Do not cover the vent terminal with any type of protective

screen or enclosure. Blocked terminals can cause

abnormal combustion resulting in undesired performance

from the water heater.

8. Vent Pipe Installation

•This appliance requires the use of special concentric type vent pipe specified by Noritz America.

Do not attempt to use materials that are not specified for use on this appliance.

WARNING

Be sure to do

CARBON MONOXIDE POISONING

Follow all vent system requirements in accordance with relevant local or state regulation,

or, in the absence of local or state code, in the U.S. to the National Fuel Gas Code ANSI

Z233.1/NFPA 54 – latest edition, and in Canada, in accordance with NSCNGPI.

•Clearance from vent terminal.

If multiple units are installed, the concentric vent terminals

must be separated by a minimum of either 12" horizontally

or 60" vertically.

Vent terminal Vent terminal

12" or more

60" or more

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