Bradford White TTW ULG2PV50H565N19 Service-Handbuch

238-51000-00D REV 5/18

POWER VENT GAS WATER HEATER

A Spanish language version of these instructions is available by contacting the

company listed on the rating plate.

La version espanola de estas instrucciones se puede obtener al escribirle a la

fabrica 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.

INSTALLATION AND OPERATION

INSTRUCTION MANUAL

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.

WARNING: If the information in these instructions is not

followed exactly, a fire or explosion may result causing

property damage, personal injury, or death.

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 Power Vent 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.

•Flammable Vapor Sensor.

•Automatic Ignition Device.

•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 and/or sensed:

•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. .................................................................................. 5

Locating The Water Heater ......................................................... 5

Minimum Clearances................................................................... 8

Venting .......................................................................................... 8

Specifications for

48 Gal (181.6 L) ................................................................ 12

Vent Pipe Preparation and Joining............................................ 18

Combustion Air Supply............................................................... 20

Water Connections ...................................................................... 22

Gas Connections.......................................................................... 25

Electrical Connections ................................................................ 26

Wiring Diagram ...................................................................... 27

GENERAL OPERATION ..................................................................... 28

Lighting and Shutdown Instructions......................................... 29

Thermostat Adjustment............................................................... 30

Burner Flame Check.................................................................... 31

MAINTENANCE................................................................................... 32

TROUBLESHOOTING......................................................................... 36

PARTS LIST DRAWING...................................................................... 39

PARTS LIST......................................................................................... 39

INSTALLATION INSTRUCTIONS FOR POTABLE WATER AND

SPACE HEATING................................................................................ 40

GENERAL INFORMATION

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

American National Standard Z21.10.1 and CSA 4.1-M, most current editions at

the time of manufacture. This is a category III water heater.

This water heater must be installed in accordance with local codes or, in the

absence of local codes, the National Fuel Gas Code, ANSI Z223.1-Latest

Edition) and/or in Canada CAN/CGA B149 Installation Codes (Latest Editions).

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 held 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.

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.

IMPORTANT

Before proceeding, please inspect the water heater and its components for

possible damage. DO NOT install any water heater with 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.

General Information continued-

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(s) 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.

INSTALLATION

Locating The Water Heater

DO NOT install the water heater in any location where gasoline or

flammable vapors are likely to be present.

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).

WARNING

This product contains one or more chemicals known to the State of

California to cause cancer, birth defects, or reproductive harm.

WARNING

Water heaters are heat producing appliances. To avoid damage or

injury, do not store materials against the water heater or vent-air intake

system. Use proper care to avoid unnecessary contact (especially by

children) with the water heater and vent-air intake components. UNDER

NO CIRCUMSTANCES MUST 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-

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.

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.

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

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 THE LEAKAGE IS

CORRECTED!

Installation (Locating The Water Heater) continued-

The water heater must be located close enough to the outside wall to keep the

venting distance within the maximum distance described in the installation

instructions. Locate the water heater as close as possible to the vent opening.

Read the venting section in this installation instruction manual before locating

the water heater.

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

line connections and 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

adequately piped for proper drainage must be installed under the water heater.

The pan must not restrict combustion air flow. The drain pan must have a

minimum length and width of at least 4 in. (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 3/4 inch (1.9 cm) in diameter and pitched for proper

drainage.

It is recommended that a minimum clearance of four (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.

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

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 the DSA Headquarters Office: 1102 Q Street, Suite 5100,

Sacramento CA 95811.

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 the 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 must allow access to the front of the water heater and adequate

clearance must 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 must be installed on

top of a metal or wood panel extending beyond the full width and depth of the

appliance by at least three (3) inches (7.6 cm) in any direction or, if the

appliance is to be installed in an alcove or closet, the entire floor must be

covered by the panel. The minimum clearances to combustibles for this water

heater are: zero (0) inch (0 cm) from the sides and rear, five (5) inches (12.7

cm) from the front of the jacket, zero (0) inch (0 cm) from the vent connector

and fifteen (15) inches (38.1 cm) from the jacket top. Increase distances to

provide clearance for servicing.

Venting

Figure 1 - Vent Terminal Clearances

WARNING

Failure to adhere to these installation and operating instructions

may create a hazard to life and property and will nullify the

warranty.

Venting continued-

Canadian

Installations1

US Installations2

Clearance above grade, veranda,

porch, deck or balcony

12 inches

(30 cm)

12 inches

(30 cm)

Clearance to window or door that may

be opened

12 inches

(30 cm)

4 feet (1.2 m) below or

to the side of opening;

12 inches (30 cm) above

opening

Clearance to permanently closed

window

Vertical clearance to ventilated soffit

located above the terminal within a

horizontal distance of 2 feet (61 cm)

from the center line of the terminal

Clearance to unventilated soffit

Clearance to outside corner

Clearance to inside corner

Clearance to each side of center line

extended above meter/regulator

assembly

3 feet (91 cm)

within a height

15 feet (4.6 m)

above the

meter/regulator

assembly

Clearance to service regulator vent

outlet or oil tank vent

36 inches

(91 cm)

Clearance to non-mechanical air

supply inlet to building or the

combustion air inlet to any other

appliance

12 inches

(30 cm)

4 feet (1.2m) below or to

side of opening; 12

inches (30 cm) above

opening.

Clearance to a mechanical air supply

inlet

6 feet

(1.83 m)

3 feet (91 cm) above if

within 10 feet

horizontally

Clearance above paved sidewalk or

paved driveway located on public

property

7 feet

(2.13 m)†

7 feet

(2.13 m)†

Clearance under a veranda, porch,

deck, or balcony

12 inches

30 cm) ‡

1 In accordance with the current CAN/CGA-B149 Installation Codes.

2 In accordance with the current ANSI Z223.1-(Latest edition)/NFPA 54 National Fuel Gas Code.

† 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 a veranda, porch, deck or balcony is fully open on a minimum of two sides beneath

the floor.

* a) A minimum clearance value determined by testing in accordance with section 2.20.

* b) ‘‘Clearance in accordance with local installation codes and the requirements of the gas supplier’’.

The vent system must terminate so that proper clearances are maintained as cited

in local codes or the latest edition of the National Fuel Gas Code, ANSI

Z223.1.73.4e and 7.8a, b as follows:

1. Do not terminate near soffit vents or crawl space or other area where condensate

or vapor could create a nuisance or hazard or cause property damage.

2. Do not terminate the exhaust vent terminal where condensate or vapor could cause

damage or could be detrimental to the operation of regulators, relief valves, or

other equipment.

3. Do not terminate the exhaust vent terminal over public area or walkways where

condensate or vapor can cause nuisance or hazard.

4. The vent shall terminate a minimum of 12” (25.4 cm) above expected snowfall level

to prevent blockage of vent termination.

Venting continued-

Vent pipes serving power vented appliances are classified by building codes as

“vent connectors”. Required clearances from combustible materials must be

provided in accordance with information in this manual under LOCATION OF

WATER HEATER and CLEARANCES, and with National Fuel Gas Code and

local codes.

Clearance to combustibles for all venting pipes

and terminals

For installations in the US

0” minimum

For installations in Canada

Refer to vent pipe and terminal

manufacturer’s installation instructions

for clearances to combustibles

DO NOT use the placement of insulation or other materials in the required clearance

spaces surrounding the venting to combustible material unless otherwise specified.

WARNING

Risk of carbon monoxide poisoning or fire due to joint separation

or pipe breakage.

This water heater must be properly vented and connected to an

approved vent system in good condition. DO NOT operate water heater

with the absence of an approved vent system. A clean and unobstructed

vent system is necessary to allow noxious fumes that could cause injury

or loss of life to vent safely and will contribute toward maintaining the

water heater’s efficiency. The acceptance of the venting system is

dependent upon full compliance with these installation instructions.

Venting system must not pass through rated fire separations.

The venting system must be free to expand and contract. This venting

system must be supported in accordance with these instructions.

NOTICE

For installations in Canada, field supplied vent piping must comply with

CAN/CGA B149.1 (latest edition) and be certified to the Standard For Type

BH, Class II, 65°C, Gas Venting Systems, ULC S636. Components of this

listed system shall not be interchanged with other vent systems or unlisted

pipe/fittings. All components and specified primers and cements of the

certified vent system must be from a single system manufacturer and not

intermixed with other system manufacturer’s vent system parts. The

supplied vent connector and vent termination are certified under ULC S636

and are also certified as part of the water heater. Refer to the following

tables for approved venting materials, primers, and cements. All approved

primers and cements are to be used within their marked time limitations.

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