Noritz N-0751M Bedienungsanleitung

SAR8558

Rev. 08/06

Model N-0751M

TANKLESS GAS WATER HEATER

Owner’s Guide

*SAR8558 T*

NORITZ America Corporation

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.

Noritz America reserves the right to discontinue, or change at any time, the

designs and/or specifications of its products without notice.

Low NOx

Approved by

SCAQMD

CERTIFIED

- 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

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 three

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 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)

Do not use the water heater if

the exhaust pipe is displaced,

has holes, is clogged or is

corroded.

Prohibited

WARNING

Be sure

to do.

When a gas leak is noticed:

1. Stop use immediately

2. Close the gas valve

3. [When installing indoors]

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

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 result

in fire or explosion, and personal injury or

death

Prohibited

(Continued)

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.

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 seperate area that is

supplied with fresh air from outdoors.

air supply

vent

[When installing indoors]

Check the air supply

vent for dust or

obstructions.

Be sure

to do.

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)

Leave the proper clearance between

the water heater and nearby objects

(trees, timber, boxes with flammable

materials etc.).

Left side:

Min. 2" Right side:

Min. 2"

Min. 3" from vent pipe

Front:

Sug. 24"*

Be sure

to do.

*Indicates suggested clearances for maintenance.

Do not place the exhaust vent terminal

in an indoor environment by means of

adding walls and ceiling (Do not en-

close using corrugated sheets, etc.)

Carbon monoxide poisoning or fire may

occur as a result.

Exhaust vent

terminal

Unit

Prohibited

Do not place combustibles such as

laundry, newspapers, oils etc. near

the heater or the exhaust vent

terminal. Exhaust vent terminal

(indoor installation)

Prohibited

Carbon Monoxide Poisoning

Hazard. Do not install this water

heater in a mobile home, recreation

vehicle or on a boat.

Prohibited

Unit

Do not use combustible chemicals

such as oil, gasoline, benzene etc.

in the near the heater or the exhaust

vent terminal.

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 exhaust

vent terminal.

Prohibited

[When installing indoors]

Left side:

Min. 6" Right side:

Min. 6"

Upper:

Min. 36"

Front:

Sug. 24"

[When installing outdoors]

N-0751M

199,900 BTU

12,000 BTU 202

4.0

0.65

0 - 2,000 Ft. (0 - 610 m)

199,900

168,000

2.0

0 - 2,000 ft.

(0 - 610 m)

2,000 - 4,500 ft

(610 - 1,370 m

)

4.4" 4.4"

2.0

192,800

162,800

2,000 - 4,500 Ft.*(610 - 1,370 m*)

2.55"

10.5"

765

Natural

Gaz Naturel

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

(Continued)

Prohibited

Do not cover the water heater and

the exhaust vent 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 exhaust vent pipe

and exhaust vent terminal 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.

Do not allow small children to play

unsupervised in the bathroom.

Do not allow small children to

bathe unsupervised.

Do not use hair spray or spray

detergent in the vicinity of the

heater.

Do not touch the power

cord with wet hands.

Prohibited

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.

To prevent burns or scalding, turn

off the power button and wait until

the equipment cools before per-

forming maintenance.

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.

Treat hard, acidic or otherwise impure

supply water with approved methods to

ensure full warranty coverage.

Problems resulting from scale formation

are not covered by the warranty. 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.

This unit is only approved for installation

up to 4500 ft. 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.

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 air inlet, exhaust

gas vent and exhaust vent terminal for

blockage.

Do not disassemble the remote controller.

Do not use benzene, oil or fat detergents

to clean the remote controller.

This may cause deformation.

Do not get the remote controller wet.

Although it is water resistant, too much water can

cause damage.

Do not splash water on the remote

controller. Do not expose the remote

controller to steam.

Do not locate the remote controller near stoves or

ovens, this may cause damage or failure.

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

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

General Parts

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

Remote Controller .................................................................................... 9

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

How to Use

Muting the Remote Controller ................................................................. 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 ........................................................................................ 25

Specifications .............................................................................................. 26

Contents

Indoor/Outdoor Wall Mounted, Power Vented Model

* The above illustration shows an example of installation.

The exact installation configuration may be slightly different.

Main Unit

Flue Collar

Front Cover

Air Inlet

Water Supply Valve

Gas Supply Valve

Water Drain Valve (with Water Filter)

(Inside Water Inlet) (p.20)

Pressure Relief Valve

General Parts

Remote Controller (RC-7649M)

Burner On Indicator

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 remote controller 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.24)

Priority Indicator

When burning, the

indicator is lit.

( p.13 and 15)

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

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