Bradford White DW280L Montageanleitung

238-45085-00D REV 10/14

DOUBLE-WALL

INDIRECT-FIRED

WATER HEATER

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

listed on the rating plate.

La version espanola de estas instruccions se puede obtener al escribirle a la fábrica cuyo

nombre aparece in la placa de especificaciones.

INSTALLATION/OPERATING MANUAL

WITH PARTS LISTING AND TROUBLESHOOTING GUIDE

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

recommend this water heater be installed and serviced by

a plumbing professional.

WARNING

To avoid damage or injury, there

must be no materials stored

against the indirect water heater

and proper care shall be taken to

avoid unnecessary contact

(especially by children) with the

indirect water heater.

Do not store or use

gasoline or other

flammable liquids in

the vicinity of this

water heater 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 Indirect 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 if 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

back of this manual.

This manual should be kept with the water heater.

We’re committed to providing you with the finest water

heater made.

CAUTION

The maximum boiler water supply temperature to the indirect

heat exchanger must not exceed 240°F (115°C).

NOTICE

Insulation blankets are not required for this water heater. This

water heater meets or exceeds the ASHRAE/IES 90.1b standards

with respect to insulation and standby loss requirements.

TABLE OF CONTENTS

I- IMPORTANT INFORMATION…………….… 4

II- SPECIFICATIONS……………………………… 8

III- GENERAL INFORMATION…………………... 11

IV- PRE INSTALLATION………………………….. 14

V- WATER CONNECTIONS……………………… 18

VI- ELECTRICAL CONNECTIONS……………… 23

VII- OPERATING INSTRUCTIONS……………….. 26

VIII- MAINTENANCE………………………………... 29

IX- TROUBLESHOOTING GUIDE……………….. 32

X- PARTS LIST……………………………………... 34

XI- NOTES……………………………………………. 36

SECTION I

IMPORTANT INFORMATION

-READ CAREFULLY-

The equipment must be installed in accordance with those

installation regulations required in the area where the installation

is to be made. These regulations must be carefully followed in

all cases. Authorities having jurisdiction shall be consulted

before installations are made.

All wiring on water heaters installed in the USA must be in

accordance with the National Electrical Code and/or local

regulations; or in Canada, installed in accordance with the

Canadian Electrical Code and/or local regulations.

The following terms are used throughout this manual to bring

attention to the presence of hazards of various risk levels, or to

important information concerning product life.

DANGER

Indicates an imminently

hazardous situation, which,

if not avoided, will result in

death, serious injury, or

substantial property

damage.

WARNING

Indicates a potentially

hazardous situation, which,

if not avoided, could result

in death, serious injury, or

substantial property

damage.

CAUTION

Indicates a potentially

hazardous situation, which,

if not avoided, may result

in moderate, or minor

injury or property damage.

NOTICE

Indicates special

instructions on installation,

operation or maintenance,

which are important but

not related to personal

injury hazards.

Important Info continued-

DANGER

DO NOT store or use gasoline or other flammable,

combustible, or corrosive vapors and/or liquids in the vicinity

of this or any other appliance.

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 telephone in

another building. Follow the gas supplier’s instructions.

If you cannot reach your gas supplier, call the fire

department

DO NOT OPERATE THE APPLIANCE UNTIL THE

LEAKAGE IS CORRECTED!

Liquefied petroleum gas/propane gas is 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.

This water heater is supplied with an adjustable thermostat to

control water temperature. Hot water temperatures required

for automatic dishwasher and laundry use can cause scald

burns resulting in serious personal injury and/or death. The

temperature at which injury occurs varies with the person’s

age and the time of exposure. The slower response time of

disabled persons increases the hazards to them. NEVER allow

small children to use a hot water tap or to draw their own bath

water. NEVER leave a child or disabled person unattended in

a bathtub or shower.

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.

Important Info continued-

WARNING

Installation is not complete unless a properly sized/capacity

pressure and temperature relief valve is installed into the side

of the water heater. See the General Information section of this

manual for details.

This water heater contains very hot water under high pressure.

Do not unscrew any pipe fittings or attempt to disconnect any

components of this water heater without positively assuring the

water is cool and has no pressure. Always wear protective

clothing and equipment when installing, starting up, or

servicing this water heater to prevent scald injuries. Do not

rely on the pressure and temperature gauges to determine the

temperature and pressure of the water heater. This water

heater contains components that become very hot. Do not

touch any components unless they are cool.

Improper installation, adjustments, alteration, service or

maintenance can cause property damage, personal injury or

loss of life. Failure to follow all instructions in the proper order

can cause personal injury or death. Read and understand all

instructions, including all those contained in component

manufacturer’s manuals, which are provided with the

appliance before installing, starting-up, operating, maintaining,

or servicing this appliance. Keep this manual and literature in

legible condition and posted near the appliance for reference by

owner and service technician.

This water heater requires regular maintenance and service to

operate safely. Follow the instructions contained in this

manual.

Installation, maintenance, and service must be performed only

by an experienced, skilled, and knowledgeable installer or

service agency.

Important Info continued-

WARNING

It is the responsibility of the installing contractor to see that all

controls are correctly installed and are operating properly

when the installation is complete.

DO NOT operate the water heater with jumpered or absent

controls or safety devices.

DO NOT tamper with or alter the water heater and/or controls.

DO NOT operate the water heater if any external part has been

under water. Immediately call a qualified service technician to

inspect the appliance and to replace any part of the control

system that was under water.

This water heater is suitable for installation on combustible

flooring. DO NOT install this water heater on carpeting.

DO NOT operate this water heater without first being certain it

is filled with water.

Flammable items, pressurized containers, or any other potential

fire hazardous articles must never be placed on or adjacent to

the heater. Containers of flammable gases should not be stored

or used in the same room with this water heater.

Hydrogen gas can be produced in an operating water heater

that has not had water drawn from the tank for a long period of

time (generally two weeks or more). Hydrogen gas is extremely

flammable. To prevent the possibility of injury under these

conditions, we recommend that the water faucet be opened for

several minutes at the kitchen sink before you use any electrical

appliance that is connected to the hot water system. If

hydrogen is present, there will be unusual sounds such as air

escaping through the pipes as hot water begins to flow. Do not

smoke or have open flame near the faucet at the time it is open.

SECTION II

SPECIFICATIONS

Figure 1 – Tank Layout

Table 1: Water Heater Dimension (Inches)

MODEL A B C D E F

40-Gal. 22 41-1/8 34-3/8 41-7/8 5-3/8 27-1/2

50-Gal. 22 46-1/4 40-1/8 47 5-3/8 27-1/2

65-Gal. 22 59-1/4 53-1/8 60 5-3/8 27-1/2

80-Gal. 24 59 52-7/8 59-3/4 5-3/8 27-1/2

DRAIN COUPLING- 3/4” NPT

DRAIN VALVE – 5/8” NH

TO BOILER RETURN

3/4” NPT

THERMOSTAT UNDER

COVER

FROM BOILER SUPPLY

3/4” NPT

TEMPERATURE AND

PRESSURE RELIEF VALVE

HOT WATER OUTLET

3/4” NPT

WIRING JUNCTION BOX

COLD WATER OUTLET

3/4” NPT

ANODES

Specifications continued-

Table 2: Water Heater Capacities

MODEL

Tank

Capacity

(Gal)

Coil

Volume

(Gal)

Dry

Weight

(Lbs)

Wet

Weight

(Lbs)

40-Gal. 38 2.5 170 470

50-Gal. 46 2.5 180 547

65-Gal. 60 2.5 196 695

80-Gal. 75 2.5 224 848

Table 3: AHRI Certified Water Heater Ratings

MODEL

First Hour

Rating

(Gal/Hr)

Continuous

Draw

Rating

(Gal/Hr)

Standby

Heat Loss

Rating

(°F/Hr)

Minimum

Output of

Heat Source

(BTU/Hr)

Minimum

Heat Source

Flow Rate

(Gal/Min)

40-Gal 123 98 1.1 65,000 8.0

50-Gal 133 98 0.9 65,000 8.0

65-Gal 148 98 0.7 65,000 8.0

80-Gal 158 98 0.6 65,000 8.0

NOTE: These certified ratings were obtained with a heat source

output and flow rate as specified in Table 3 and a 180°F boiler water

supply temperature. Other results will be obtained under different

conditions.

Table 4: Water Heater Performance

MODEL

Maximum First

Hour Rating

(Gal/Hr) @

140 °F 115 °F

Continuous

Draw Rating

(Gal/Min) @

140 °F 115 °F

Approximate

Boiler Output

Needed For

Ratings

(BTU/hr)

40-Gal. 190 285 2.6 4.2 140,000

50-Gal. 200 295 2.6 4.2 140,000

65-Gal. 210 305 2.6 4.2 140,000

80-Gal. 225 320 2.6 4.2 140,000

NOTE: Based on 200 °F boiler water temperature and 50 °F potable

water inlet temperature.

Specifications continued-

Table 5: Water Heater Performance

MODEL

Hot Water

Availability

(Minutes)

Coil Heat

Transfer Area

(Sq Ft)

Pressure Drop at

Rated Heat

Source Flow Rate

(Feet of Head)

40-Gal. 6.8 14.2 2.4

50-Gal. 8.6 14.2 2.4

65-Gal. 10.8 14.2 2.4

80-Gal. 13.5 14.2 2.4

NOTICE

If the boiler takes longer to heat up from a cold start

than the water availability as noted above, hot water

shortage may occur.

Hot water availability is based on drawing 80% of the

heated tank volume at 4 gallons per minute flow rate.

The maximum heat transfer through the coil (heat

input) of the water heater at 240°F boiler water supply

temperature and 210°F potable water temperature is

23,500 Btu/hr. Potable water temperature is limited to

below 210 °F and nominal water-containing capacity

is below 120 gallons for all indirect-fired models.

Accordingly, per Part HLW-101.2, Section IV of the

ASME Boiler and Pressure Vessel Code, all indirect-

fired products listed are exempted from compliance

with the code.

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