Noritz NR83-DVC Manuel utilisateur

SBA8443

Rev. 04/10

Model NR83-DVC

TANKLESS GAS WATER HEATER

Owner’s Guide

NORITZ America Corporation

- 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.

If the information in this manual is not followed exactly, a ﬁre or explosion

may result causing property damage, personal injury, or death.

WARNING

Thank you for purchasing this Noritz Tankless Gas Water Heater. Before

using, please:

Read this manual completely for operation instructions.

Completely ﬁll out the warranty registration card (included separately) and

mail the detachable portion to Noritz America Corporation.

Keep this manual (and the remainder of the warranty registration card) where

it can be found whenever necessary.

Installation must conform with local codes, or in the absence of local codes,

the National Fuel Gas Code, ANSI Z223.1/NFPA 54.

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.

FOR USE IN RESIDENTIAL, COMMERCIAL, OR MANUFACTURED HOME APPLICATIONS.

*SBA8443*

Low NOx

Approved by

SCAQMD

CERTIFIED

Prohibited Don’t

touch.

Don’t

disassemble

the equipment.

Don’t touch

with a wet

hand.

No ﬂame.

High

Temperature.

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. Closely observe these warnings; they are critical to your safety.

Other icons

DANGER

WARNING

CAUTION

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.

CAUTION used without the safety alert symbol indicates a potentially

hazardous situation which, if not avoided, may result in property damage.

CAUTION

Be sure

to do. Ground.

Electric

Shock.

DANGER

Icons warning of risk level

Important Safety Information-1

This is the safety alert symbol. It is used to alert you to potential personal injury hazards.

Obey all safety messages that follow this symbol to avoid possible injury or death.

Vapors from ﬂammable liquids will explode and catch ﬁre causing death or severe burns.

Do not use or store ﬂammable products such as gasoline, solvents or

adhesives in the same room or area near the water heater.

Prohibited

Keep ﬂammable products:

1. Far away from the water

heater.

2. In approved containers.

3. Tightly closed.

4. Out of children’s reach.

Vapors:

1. Cannot be seen.

2. Vapors are heavier than air.

3. Go a long way on the ﬂoor.

4. Can be carried from other rooms

to the main burner by air currents.

Hot Water Heater temperatures over 125°F (52°C) can cause severe burns

instantly or death from scalding.

Children, disabled and elderly are at the highest risk of being scalded.

Feel water temperature before bathing or showering.

Temperature limiting valves are available, ask professional person.

Prohibited

(Continued)

No ﬂame.

(Continued)

WARNING

Be sure

to do.

When a gas leak is noticed:

1. Stop use immediately

2. Close the gas valve

3. Open windows and doors

If you detect abnormal combustion

or abnormal odors, or during an

earthquake, tornado or ﬁre:

1. Turn off the hot water supply

2. Turn off the power to the water

heater

3. Turn off gas and water supply

valve.

4. Call the nearest Noritz agent

Be sure

to do.

Do not allow anyone to change the

water temperature while hot water is

being used.

To prevent scalding, do not change the wa-

ter temperature to a higher setting.

Prohibited

A. This water heater does not have

a pilot. It is equipped with an

ignition device that automatically

lights the burner. Do not try to

light the burner by hand.

BEFORE OPERATING smell all

around the water heater area for

evidence of leaking gas. Be sure

to smell next to the ﬂoor because

some gas is heavier than air and

will settle on the ﬂoor.

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.

C. Use only your hand to turn

the gas valve knob. Never use

tools. If the knob will not turn by

hand, don’t try to repair it. Call

a qualiﬁed service technician.

Force or attempted repair may

result in a ﬁre or explosion.

D. Do not use this water heater if

any part has been under water.

lmmediately call a qualiﬁed

service technician to inspect the

water heater and to replace any

damaged parts.

(Continued)

Prohibited

Do not use the water heater if

the concentric pipe is displaced,

has holes, is clogged or is

corroded.

Check the temperature

of the running hot water

before entering the

shower.

Check the temperature

before stepping into

the bath tub.

High

Temperature.

Explosion Hazard ;

If the temperature and pressure relief

valve is dripping or leaking, have a

qualiﬁed service technician replace it.

Do not plug or remove the valve.

Failure to follow these instructions can re-

sult in ﬁre or explosion, and personal injury

or death

Prohibited

Do not place the flue terminal in an

indoor environment by means of add-

ing walls and ceiling (Do not enclose

using corrugated sheets, etc.)

Carbon monoxide poisoning or ﬁre may

occur as a result.

Important Safety Information-2

(Continued)

If this unit will be installed in a beauty

salon or other location where hair

spray or aerosols will be used, locate

the unit in a separate area that is

supplied with fresh air from outdoors.

Prohibited

Be sure the gas/power

supplied matches the

gas on the rating plate.

For Natural Gas

Installation and service must be

performed by a qualiﬁed installer,

service agency or the gas supplier.

Be sure

to do.

Be sure

to do.

(Continued)

Prohibited

Do not store or use gasoline or other

ﬂammable vapors and liquids in the

vicinity of this or any other appliance.

Prohibited

Do not place or use a spray can

near

the water heater or the ﬂue terminal.

Do not use hair spray or spray

detergent in the vicinity of the

heater.

Prohibited

Do not place outdoors

Rain may enter the unit

or the burner ﬁre may be

blown by the wind, caus-

ing malfunction or ﬁre as a

result.

Prohibited

Outdoor

Leave the proper clearance between

the water heater and nearby objects

(trees, timber, boxes with ﬂammable

materials etc.).

Be sure

to do.

*Indicates suggested clearances for maintenance.

Left side:

Min. 2" (50mm) Right side:

Min. 2" (50mm)

Front:

Sug. 24" (600mm)*

Sug. 3" (75mm)

from concetric

pipe*

Upper: Min.

12" (300mm)

Flue terminal

Do not place combustibles such as

laundry, newspapers, oils etc. near

the heater or the ﬂue terminal.

Prohibited

Flue terminal

Do not use combustible chemicals

such as oil, gasoline, benzene etc. in

the near the heater or the ﬂue terminal.

Prohibited

Carbon Monoxide Poisoning Hazard.

Do not install this water heater in a

recreation vehicle or on a boat.

Prohibited

WARNING

180,000

151,200

172,000

144,500

180,000 BTU

18,000 BTU 182 4.0

1.0 2.5"

10.5"

689

10.3b-2008

15 150

4.3b-2008

NR83-DVC

(Continued)

Do not allow small children to play

unsupervised in the bathroom.

Do not allow small children to

bath unsupervised.

Do not touch the power

cord with wet hands.

Electric

Shock.

Don’t touch

with a wet

hand.

Prohibited

Contact Noritz before using with

a solar pre-heater.

Contact a qualiﬁed service

technician for any necessary

repairs, service or maintenance.

Consult the nearest Noritz agent if

the water heater location needs to

be changed.

Don’t

disassemble

the equipment.

Be sure

to do.

Be sure

to do.

California Proposition 65 lists chemical

substances known to the state to cause

cancer, birth defects, death, serious illness

or other reproductive harm. This product

may contain such substances, be their

origin from fuel combustion (gas, oil) or

components of the product itself.

CAUTION

Be sure to electrically ground the

unit.

Keep power cord free of dust.

Ground.

Be sure

to do.

Do not use the water heater for

other than hot water supply, shower

and bath.

Prohibited

Do not cover the water heater and

the ﬂue terminal, store trash or

debris near it, or in any way block

the ﬂow of fresh air to the unit.

Do not turn off the water heater

while someone is bathing.

Prohibited

Do not use a broken or modiﬁed

power cord. Do not bind, bend or

stretch power cords.

Do not scratch, modify, or subject

them to impact or force.

Do not touch the ﬂue terminal

and concentric pipe during or

immediately after operation of the

water heater.

Do not install in locations where

excessive dust or debris will be

in the air.

Prohibited

Don’t

touch.

Prohibited

Be sure

to do.

To prevent burns or scalding, turn

off the power button and wait until

the equipment cools before per-

forming maintenance.

The gas conversion kit shall be installed by a

qualiﬁed service agency in accordance with

the manufacturer’s instructions and all

applicable codes and requirements of the

authority having jurisdiction. The

information in the instructions must be

followed to minimize the risk of ﬁre or

explosion or to prevent property damage,

personal injury, or death. The qualiﬁed

service agency is responsible for the proper

installation of this kit. The installation is not

proper and complete until the operation of

the converted appliance is checked as

speciﬁed in the manufacturer’s instructions

supplied with the kit.

Important Safety Information-3

CAUTION

Do not drink water that has been inside the

unit for an extended period of time. Do not

drink the ﬁrst use of hot water from the

unit in the morning.

Clean the ﬁlter on the water inlet as

frequently as required by the quality of

your local water.

Keep the area around the unit clean.

If boxes, weeds, cobwebs, cockroaches etc. are in

the vicinity of the unit, damage or ﬁre can result.

Do not install the equipment where the

exhaust will blow on walls or windows.

Problems resulting from scale formation

are not covered by the warranty.

This unit is only approved for installation

up to 4500 ft. (1350m) above sea level.

For installations at higher elevations, contact Noritz

America for Instructions.

Check ignition during use and extinction

after use.

Do not run water through the unit when

unit is not on.

When discharging hot water, make sure the unit is ON.

If water is run through the unit with the unit

OFF, water may condense inside the unit and cause

incomplete combustion or damage to the internal

electrical components.

For single-handle ﬁxtures or valves, discharge

water setting the handle completely

to the water side.

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. Preventing damage from freezing ( p.17)

Damage can occur from frozen water within the

device and pipes even in warm environments.

Be sure to read below for appropriate measures.

Repairs for damage caused by freezing are not

covered by the warranty.

Take necessary measures to prevent

freezing of water and leakage of gas when

leaving the unit unused for long periods of

time. ( p.18)

Do not use parts other than those speciﬁed

for this equipment.

If it is snowing, check the ﬂue terminal for

blockage.

Do not disassemble the operation panel.

Do not use benzene, oil or fat detergents

to clean the operation panel.

This may cause deformation.

Do not get the operation panel wet.

Although it is water resistant, too much water can

cause damage.

Do not splash water on the operation

panel. Do not expose the operation panel

to steam.

Do not locate the operation panel near stoves or

ovens, this may cause damage or failure.

Important Safety Information....................................................................... 2

Contents......................................................................................................... 7

General Parts

Main Unit.................................................................................................... 8

Operation Panel......................................................................................... 9

Initial Operation............................................................................................ 10

How to Use

Muting the Operation Panel ..................................................................... 11

Setting and Using the Water Heater ........................................................ 12

Flow Meter Alarm ...................................................................................... 14

Adjusting the Maximum Output Temperature ........................................ 16

Preventing Damage from Freezing............................................................. 17

Regular Maintenance................................................................................... 19

Troubleshooting........................................................................................... 21

Follow-up Service ........................................................................................ 26

Speciﬁcations............................................................................................... 28

Contents

Indoor Wall Mounted, Power Vent/Sealed Model

* The above illustration shows an example of installation.

The exact installation conﬁguration may be slightly different.

Main Unit

Front Cover

Water Supply Valve

Gas Supply Valve

Water Drain Valve

(with Water Filter)

(Inside Water Inlet)

(p.20)

Pressure Relief Valve

General Parts

Operation Panel

Concentric Pipe

Operation Panel (RC-7651M)

For setting the hot

water temperature,

the ﬂow meter alarm,

and other settings.

Power On/Off Button

For turning the

heater on and off.

Flow Meter Alarm Set Button

For setting the ﬂow

meter alarm.

(p.14 - 15)

Setting Buttons

* Before use, remove the protective sheet from the operation panel surface.

Temperature Setting

(Ex.:110°F)

Flow Meter Setting

The display will ﬂash

after hitting the ﬂow

meter alarm set button.

( p.15)

Error Code

When this indicator is lit,

the hot water temperature

can be set. (p.12)

What is actually displayed depends on how the water heater is set.

A number will ﬂash if

a failure occurs.

(p.25)

Priority Indicator

Burner On Indicator

When burning, the

indicator is lit.

( p.13 and 15)

Note: As shipped from the factory, the remote controller is set to display in °F and gallons.

To adjust the display to °C and liters, refer to the Installation Manual.

Initial Operation

Before the ﬁrst use of your water heater, make the following preparations.

Follow steps 1 through 4.

1Open the water supply valve.

Open a hot water ﬁxture to conﬁrm that

water is available, and then close the

ﬁxture again.

3Open the gas supply valve.

Hot water ﬁxture

Turn on the power.

CLOSED

OPEN

Do not touch with wet hands.

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