Bradford White URG250H6N-475-264 Bedienungsanleitung

238-51012-00H REV 1/19

A Spanish language version of these instructions is available by contacting

the company listed on the rating plate. La versión española de estas

instrucciones se puede obtener al scribirle a la fábrica cuyo nombre aparece

en la placa de especificaciones.

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.

For your family’s comfort, safety and convenience, we

recommend this water heater be installed and serviced by a

plumbing professional.

GAS-FIRED WATER HEATER

INSTALLATION & OPERATION INSTRUCTION

MANUAL For Flammable Vapor Ignition Resistant

System Equipped Water Heater

WARNING: If the information in these instructions is not

followed exactly, a fire or explosion may result causing

property damage, personal injury or death.

FOR YOUR SAFETY

Do not store or use gasoline or other flammable,

combustible, or corrosive vapors and liquids in the

vicinity of this or any other appliance.

CONGRATULATIONS!

You have just purchased one of the finest water heaters on the market

today!

This installation, operation and instruction manual will explain in detail

the installation and maintenance of your new Flammable Vapor Ignition

Resistant Gas Water Heater. We strongly recommend that you contact a

plumbing professional for the installation of this water heater.

We require that you carefully read this manual, as well as the enclosed

warranty, and refer to it when questions arise. If you have any specific

questions concerning your warranty, please consult the plumbing

professional from whom your water heater was purchased. For your

records we recommend that you write the model, serial number and

installation date of your water heater in the maintenance section in the

back of this manual.

This manual should be kept with the water heater.

Special Flammable Vapor Ignition Resistant System:

This water heater is equipped with a Flammable Vapor Ignition Resistant System.

In the event of improper usage or storage of gasoline or other flammable materials

in the location where the water heater is installed, the technology will resist ignition

of the flammable vapors outside the confines of the water heater.

The Flammable Vapor Ignition Resistant System features:

•Advanced Flame Arrestor Design.

•Re-settable Thermal Switch to prevent burner/pilot operation with

restricted airflow.

•Piezo Igniter

•Sight Window to observe operation of pilot and burner.

FOR YOUR SAFETY: Activation of the Flammable Vapor Ignition Resistant

System occurs when flammable vapors are drawn into the water heater and are

combusted. If flammable vapors are detected:

•Do not try to light any appliance.

•Do not touch any electrical switch; Do not use any phone in your building.

•Leave the premises and immediately call the fire department from a

neighbor’s phone. Follow the fire department’s instructions.

Once the flammable vapor has been evacuated, contact your plumbing

professional or the manufacturer for further instructions. Replacement of a

Flammable Vapor Ignition Resistant System equipped water heater due to a

flammable vapor shutdown is not covered under the terms of the limited warranty.

TABLE OF CONTENTS page

GENERAL INFORMATION........................................................... 4

INSTALLATION............................................................................ 6

Locating The Water Heater ................................................... 6

Minimum Clearances............................................................. 9

Venting................................................................................... 10

Combustion Air Supply......................................................... 11

Water Connections................................................................ 13

Gas Connections................................................................... 16

GENERAL OPERATION............................................................... 17

Lighting and Shutdown Instructions ................................... 18

Thermostat Adjustment ........................................................ 20

Burner Flame Check.............................................................. 22

MAINTENANCE............................................................................ 23

TROUBLESHOOTING.................................................................. 25

INSTALLATION DRAWING FOR POTABLE WATER.................. 29

PARTS LIST DRAWING ............................................................... 30

PARTS LIST ................................................................................. 31

INSTALLATION INSTRUCTIONS FOR POTABLE WATER AND

SPACE HEATING......................................................................... 32

GENERAL INFORMATION

This gas-fired water heater is design certified by CSA International under the

applicable American National Standard, Z21.10.1 or CSA 4.1-(as indicated on

the rating plate), available from CSA International, 8501 East Pleasant Valley

Road, Cleveland, OH U.S.A. 44131-5575.

This water heater must be installed in accordance with local codes. In the

absence of local codes, it must be installed in compliance with the National

Fuel Gas Code (ANSI Z223.1-Latest Edition), or in Canada CAN/CGA B149.1

Natural Gas Installation Code (Latest Edition) or CAN/CGA B149.2 Propane

Installation Code (Latest Edition). The warranty for this water heater is in

effect only when the water heater is installed, adjusted, and operated in

accordance with these Installation and Operating Instructions. The

manufacturer will not be liable for any damage resulting from alteration and/or

failure to comply with these instructions.

This water heater is not design certified for installation in a mobile home. Such

an installation may create a hazardous condition and will nullify the warranty.

This water heater has been designed and certified for the purpose of heating

potable water. The installation and use of this water heater for any purpose

other than the heating of potable water may cause damage to the water

heater, create a hazardous condition, and nullify the warranty.

Do not use this appliance if any external part to the tank has been submerged

in water. You should contact a qualified service technician to inspect the

appliance and to replace any part of the control system including the

combination gas control which has been submerged in water. See the Gas

Connections section of this manual before servicing or replacing a water

heater that has had any external part to the tank submerged in water.

CAUTION

Incorrect operation of this appliance may create a hazard to life and

property and will nullify the warranty.

WARNING

Prior to connecting the gas supply line to a gas fired water heater,

ensure that the gas supply line does not have moisture/water or

dirt/scale inside the gas line. Commonly this check is done at the

lowest point in the gas distribution system prior to gas burning

appliances.

DANGER

Do not store or use gasoline or other flammable, combustible, or

corrosive vapors and liquids in the vicinity of this or any other

appliance.

General Information continued-

This water heater has been manufactured for operation at altitudes from sea

level to 2000 feet (610 m) (unless otherwise specified on the water heater

rating plate). For use of this appliance at an elevation greater than 2000 feet

(610 m), contact the dealer or manufacturer listed on the rating plate for

information on any necessary modification. Uncorrected operation of this

appliance may create a hazard to life and property.

Make sure that you check the rating plate and combination gas control on the

water heater to be certain that the type of gas being supplied corresponds with

the marking on the rating plate and combination gas control.

A sacrificial anode is used to extend tank life. Removal of any anode, except

for inspection and/or replacement, will nullify the warranty. In areas where

water is unusually active, an odor may occur at the hot water faucet due to a

reaction between the sacrificial anode and impurities in the water. If this

should happen, an alternative anode(s) may be purchased from the supplier

that installed this water heater. This will minimize the odor while protecting the

tank. Additionally, the water heater should be flushed with appropriate

dissolvers to eliminate any bacteria.

IMPORTANT

Before proceeding, please inspect the water heater and components for

possible damage. DO NOT install any damaged components. If damage is

evident then please contact the supplier where the water heater was

purchased, or the manufacturer listed on the rating plate for replacement

parts.

INSTALLATION

LOCATING THE WATER HEATER

This water heater MUST NOT be installed in any location where gasoline

or flammable vapors are likely to be present, unless the installation is

such to eliminate the probable ignition of gasoline or flammable vapors.

Water heaters in residential garages must be installed and located, or

protected, to avoid physical damage. For other installations refer to

local codes. In the absence of local codes, the water heater must be

installed in compliance with the National Fuel Gas Code, (ANSI Z223.1-

Latest Edition), or in Canada CAN/CGA B149.1 Natural Gas Installation

Code (Latest Edition) or CAN/CGA B149.2 Propane Installation Code

(Latest Edition).

The location of this water heater is of the utmost importance. Before installing

this water heater, read the installation section of these instructions. After

reading these Installation and Operating Instructions, select a location for the

water heater where the floor is level and is easily accessible to gas and water

supply lines. DO NOT locate the water heater where water lines could be

subjected to freezing temperatures. Make sure the cold water pipes are

not located directly above the gas control so that condensate during

humid weather does not drip on the controls.

This water heater MUST be installed indoors out of the wind and

weather.

To comply with NSF requirements this water heater is to be:

a) Sealed to the floor with sealant, in a smooth and easily cleanable

way, or

b) Installed with an optional leg kit that includes legs and/or

extensions that provide a minimum clearance of 6” beneath the

water heater.

WARNING

Water heaters are heat producing appliances. To avoid damage or injury

there shall be no materials stored against the water heater or vent-air

intake system and proper care shall be taken to avoid unnecessary

contact (especially by children) with the water heater and vent-air intake

components. UNDER NO CIRCUMSTANCES SHALL FLAMMABLE

MATERIALS, SUCH AS GASOLINE OR PAINT THINNER BE USED

OR STORED IN THE VICINITY OF THIS WATER HEATER, VENT-AIR

INTAKE SYSTEM OR IN ANY LOCATION FROM WHICH FUMES

COULD REACH THE WATER HEATER OR VENT-AIR INTAKE

SYSTEM.

Installation (Locating The Water Heater) continued-

Note: For California installation, this water heater must be braced,

anchored, or strapped to avoid falling or moving during an earthquake.

See instructions for correct installation procedures. Instructions may be

obtained from DSA Headquarters Office, 1102 Q Street, Suite 5100,

Sacramento, CA 95811.

Water heater corrosion and component failure can be caused by the heating

and breakdown of airborne chemical vapors. Examples of some typical

compounds that are potentially corrosive are: spray can propellants, cleaning

solvents, refrigerator and air conditioning refrigerants, swimming pool

chemicals, calcium and sodium chloride, waxes and process chemicals.

These materials are corrosive at very low concentration levels with little or no

odor to reveal their presence. NOTE: DAMAGE TO THE WATER HEATER

CAUSED BY EXPOSURE TO CORROSIVE VAPORS IS NOT COVERED BY

THE WARRANTY. DO NOT OPERATE THE WATER HEATER IF

EXPOSURE HAS OR WILL OCCUR. DO NOT STORE ANY POTENTIALLY

CORROSIVE COMPOUNDS IN THE VICINITY OF THE WATER HEATER.

WARNING

Liquefied petroleum gases/propane gases are heavier than air and will

remain at floor level if there is a leak. Basements, crawl spaces, closets

and areas below ground level will serve as pockets for accumulation of

leaking gas. Before lighting, smell all around the appliance area for gas.

Be sure to smell next to the floor.

IF YOU SMELL GAS:

• Do not try to light any appliance.

• Do not touch any electric switch; do not use any telephone in your

building.

• Immediately call your gas supplier from a neighbor’s telephone.

Follow the gas supplier’s instructions.

• If you cannot reach your gas supplier, call the fire department.

DO NOT OPERATE APPLIANCE UNTIL LEAKAGE IS CORRECTED!

Installation (Locating The Water Heater) continued-

Proper venting practices must be considered when selecting a location for this

water heater. For exact venting specifications, please consult the Venting

section of these Installation and Operating Instructions.

This water heater must be located in an area where leakage of the tank, water

line connections, or the combination temperature and pressure relief valve will

not result in damage to the area adjacent to the water heater or to lower floors

of the structure. When such locations cannot be avoided, a suitable drain pan

must be installed under the water heater. The drain pan must have a

minimum length and width of at least 4 inches (10.2 cm) greater than the

diameter of the water heater and must not restrict proper combustion air flow

to the water heater. The drain pan, as described above, can be purchased

from your plumbing professional. The drain pan must be piped to an adequate

drain. The piping must be at least ¾ inch (1.9 cm) in diameter and pitched for

proper drainage.

It is recommended that a minimum clearance of 4 inches (10.2 cm) be

provided on the side of the water heater for servicing and maintenance of the

combination temperature and pressure relief valve.

WARNING

DO NOT ATTEMPT TO LIGHT ANY GAS APPLIANCE IF YOU ARE

NOT CERTAIN OF THE FOLLOWING:

• Liquefied petroleum gases/propane gas and natural gas have an

odorant added by the gas supplier that aids in detection of the

gas.

• Most people recognize this odor as a “sulfur” or “rotten egg” smell.

• Other conditions, such as “odorant fade” can cause the odorant to

diminish in intensity, or “fade”, and not be as readily detectable.

• If you have a diminished sense of smell or are in any way unsure

of the presence of gas, immediately contact your gas supplier

from a neighbor’s telephone.

• Gas detectors are available. Contact your gas supplier or

plumbing professional for more information.

MINIMUM CLEARANCES

This installation shall allow access to the front of the water heater and

adequate clearance shall be provided for servicing and operating this water

heater. The water heater may be installed on either a combustible or non-

combustible floor. If the water heater is to be installed directly on carpeting, it

shall be installed on top of a metal or wood panel (or equivalent) extending

beyond the full width and depth of the appliance by at least 3 inches (7.6 cm)

in any direction or, if the appliance is to be installed in an alcove or closet, the

entire floor shall be covered by the panel. If the rating plate or the label on

the front of the heater specifies minimum clearances less than those

listed in the below table, the water heater may be installed in accordance

with the minimum clearances listed on the rating plate or the label on the

front of the heater.

If it is necessary to install this water heater in an alcove, use the clearances

listed in Figure 1.

Figure 1

WARNING

Failure to adhere to these installation and operating instructions may

create a hazard to life and property and will nullify the warranty.

VENTING

This water heater has been shipped with a draft diverter for which it was

designed with reference to the horizontal and vertical planes. If removed, the

draft diverter must be replaced in the same position and secured to the jacket

top by which it was installed.

WARNING

The venting system must be installed properly following all local codes

or in the absence of local codes, the latest edition of the National Fuel

Gas Code (ANSI Z223.1- latest edition), or in Canada, The Natural Gas

and Propane Installation Code (B149.1-00 latest edition). Failure to

properly install the venting system could result in property damage,

personal injury, or death.

WARNING

Carefully inspect the venting system of a replacement water heater

installation before connecting to the venting system. All joints in the vent

connector must be securely fastened with screws and fit tightly together.

Inspect the venting system for signs of deterioration (rust and

perforation) and replace any sections that are not in good condition.

The chimney must be lined and in good condition. Check to make sure

the venting system is properly sized for the water heater. If the venting

system was previously sized for another gas appliance that has been

removed, the venting system may now be too large. Refer to the latest

edition of the National Fuel Gas Code (ANSI Z223.1-latest edition), or in

Canada, the Natural Gas and Propane Installation Code (B149.1-00

latest edition) for the correct sizing of venting systems and common

venting with another gas appliance.

Do not vent this water heater into the venting system of another gas

applianc designed to vent under positive pressure.

The water heater should be installed as close as practical to the venting

system to minimize the vent connector length required. Refer to local

codes for the distance limitations on vent connector lengths.

At the completion of the water heater installation, the burner and venting

system must be checked for proper operation with all other commonly

vented appliances in operation. Check for spillage of flue products

around the outside relief opening of the draft hood after several minutes

of operation. The flame from a match should be drawn into the draft

hood. Do not use the water heater or connected equipment if spillage is

detected until the problem is corrected. Refer to the latest edition of the

National Fuel Gas Code, or in Canada, the Natural Gas and Propane

Installation Code for complete details on the “Procedure to Be Followed

to Place Equipment in Operation”.

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