Bradford White EVERHOT TG-150E-N(X Service-Handbuch

238-48025-00C 6/11

Bradford White EverHotTankless Gas Water Heater

For Exterior Installation

TG-150E-N(X), TG-180E-N(X), TG-199E-N(X), TG237E-N(X) & TG-237E-N(X)A

INSTALLATION AND OPERATION INSTRUCTION MANUAL

With Troubleshooting Guide

PLACE THESE INSTRUCTIONS ADJACENT TO WATER HEATER AND NOTIFY OWNER TO KEEP FOR FUTURE REFERENCE

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 gas supplier.

WARNING: If the information in these

instructions is not followed exactly, a fire or

explosion may result causing property

damage, personal injury or death.

Ambler, PA 19002

Tech. Service (800) 334-3393

Service Part (800) 538-2020

Warranty Service (800) 531-2111

A Spanish language version of these instructions is available by

contacting Bradford White.

La versión espãnola de estas instrucciones se puede obtener al

escribirle a la fábrica cuyo nombre aparece en la placa de.

SECTION I: IMPORTANT INFORMATION

TABLE OF CONTENTS

I IMPORTANT INFORMATION ......... 2 VII OPERATING INSTRUCTIONS....... 40

II SPECIFICATIONS .......................... 6 TEMPERATURE

ADJUSTMENT................................ 42

III INSTALLATION

INSTRUCTIONS ............................. 9

VIII MAINTENANCE.............................. 47

IV WATER CONNECTIONS.............. 17 IX PARTS LIST ................................... 51

V GAS CONNECTIONS ................... 26 X WARRANTY ................................... 67

VI ELECTRICAL CONNECTIONS..... 29

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

National Standard, Z21.10.3 (as indicated on the rating plate) and CAN/CGA 4.3-M (as

indicated on the rating plate) available from CSA Standards Association, 5060 Spectrum

Way, Mississauga, Ontario, Canada L4W 5N6.

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 following terms are used throughout this manual to bring attention to the presence of

hazards at various risk levels, or to important information concerning product life.

READ CAREFULLY

Indicates special instructions on

installation, operation or

maintenance, which are

important but not related to

personal injury hazards.

NOTICE

Indicates a potentially

hazardous situation, which, if

not avoided, could result in

death, serious injury or

substantial property damage.

WARNING

Indicates potentially hazardous

situation, which, if not avoided,

may result in moderate or minor

injury or property damage.

CAUTION

Indicates an imminently

hazardous situation, which, if

not avoided, will result in death,

serious injury or substantial

property damage.

DANGER

This water heater has a limited warranty. The warranty for this water heater is valid only if the

water heater has been installed, maintained, and operated in accordance with these

instructions.

NOTICE

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.

This water heater is for outdoor installation only. Do not install indoors.

This water heater is equipped 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.

DANGER

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

provided with the appliance before installing, starting-up, operating, maintaining or servicing

this appliance. Keep this manual and literature in legible condition with this water heater 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 a qualified, skilled and

knowledgeable installer or service provider.

Installation is not complete unless a pressure relief valve is installed into the proper location

in the hot water outlet piping of this water heater.

It is the responsibility of the installing contractor to see that all controls are correctly installed

and are properly operating when the installation is complete.

This water heater is NOT suitable for installation on combustible flooring. Install water heater

exactly as shown in this manual.

DO NOT operate this water heater without first being certain it is filled with water.

WARNING

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

DO NOT operate water heater with jumpered or absent controls or safety devices.

DO NOT operate water heater if any external part has been under water. Immediately call a

qualified service technician to inspect the water heater and to replace any part of the control

system including gas controls, which has been under water.

DO NOT attempt to use this water heater with any gas other than the type listed on the rating

plate. Do not attempt to convert this water heater for use with a gas other than the type for

which it is equipped. Failure to use the proper gas can create an unsafe condition resulting in

property damage, bodily injury, or death. Consult your local gas supplier or gas company if

there are any questions.

DO NOT operate this water heater if the input rate exceeds the rate shown on the water

heater rating plate.

This water heater contains very hot water under high pressure. Do not unscrew any pipe

fittings nor attempt to disconnect any components of this water heater without positively

assuring the water is cool and is not under 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 temperature gauges to determine the temperature. Do not touch any

components unless they are cool.

Water heater materials of construction, products of combustion and the fuel contain carbon

monoxide, nitrogen oxides, aldehydes and/or other toxic or harmful substances which can

cause death or serious injury and which are known to the state of California to cause cancer,

birth defects and other reproductive harm. Always use proper safety clothing, respirators and

equipment when servicing or working nearby this water heater.

WARNING

Liquefied petroleum gases/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. 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 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!

WARNING

Flammable items, pressurized containers or any other potential fire hazardous articles must

never be placed on or adjacent to the water heater. Open containers of flammable material

must not be stored or used in the same room with this water heater.

DO NOT USE AN INSULATION BLANKET WITH THIS WATER HEATER. This water heater

meets or exceeds the ASHRAE/IES 90.1b (latest edition) standards with respect to insulation

and standby loss requirements.

WARNING

SECTION II: SPECIFICATIONS

Table 1. Specifications.

* Minimum flow may vary slightly depending on the temperature setting and the inlet water temperature.

** For commercial and hydronic applications requiring higher temperatures. Requires the use of an optional controller

(P/N 239-47805-00).

Bradford White Corporation is continually updating and improving products. Therefore, specifications are subject to

change without prior notice.

The maximum inlet gas pressure must not exceed the value specified by the manufacturer. The minimum value

listed is for the purpose of input adjustment.

Model TG-150E-N(X) TG-180E-N(X) TG-199E-N(X) TG-237E-N(X) TG-237E-N(X)A

Minimum Rate Btu/h 15,000 19,000

Maximum Rate Btu/h 150,000 180,000 199,000 237,000

Flow Rate (Min-Max) * 0.6-6.3 GPM

(2.3-24 L/min)

0.6-7.5 GPM

(2.3-28.4 L/min)

0.6-9.4 GPM

(2.3-35.5 L/min)

0.6-9.8 GPM

(2.3-37 L/min)

Flow Rate (45ºF rise) 5.5 GPM

(20.8 L/min)

6.6 GPM

(25.1 L/min)

7.1 GPM

(27.0 L/min)

8.5 GPM

(32.2 L/min)

Default Temperature Setting 104°F (40°C)

Maximum Temp Setting (commercial **) 160°F (71°C) 180°F (82°C) 185°F (85°C)

Maximum Temp Setting (residential) 120°F (49°C)

Minimum Temperature Setting 96°F (36°C) 98°F (37°C)

Weight 46 lb (21 kg) 55 lb (25 kg)

Energy Factor 0.82 0.82 0.82 N/A

Thermal Efficiency 83.0%

Noise level (inside rating) 49 dB

Electrical

Consumption

Normal 45 W 50 W 55 W 72 W

Standby 2 W

Anti-frost

Protection 100 W 116 W

By-Pass Control Fixed Electronic

Minimum Gas Supply

Pressure

Natural Gas 5.0 inch W.C.

Propane 8.0 inch W.C.

Maximum Gas Supply

Pressure

Natural Gas 10.5 inch W.C.

Propane 13.5 inch W.C.

Type of Appliance Temperature controlled continuous flow gas water heater

Operation With or without remote controls, mounted in kitchen, bathroom, etc.

Approved Gas Type Natural Gas or Propane-Ensure unit matches gas type supplied at the installation location.

Connections Gas Supply: 3/4" MNPT, Cold Water Inlet: 3/4" MNPT, Hot Water Outlet: 3/4" MNPT

Ignition System Direct Spark Ignition

Electric Connections Water Heater: AC 120 Volts, 60Hz. Remote Control: DC 12 Volts (Digital)

Water Temperature Control Simulation Feedforward and Feedback

Minimum Water Supply Pressure 20 PSI (Recommended 30-80 PSI for maximum performance)

Maximum Water Supply Pressure 150 PSI

Remote Control Cable Non-Polarized Two Core Cable (Minimum 22 AWG)

ENERGY STAR®Qualified Yes (U.S. and Canada) No

Dimensions

Table 2. Water Heater Dimensions.

DIM DESCRIPTION

TG-150E-N(X)

TG-180E-N(X)

TG-199E-N(X)

In. (mm)

TG-237E-N(X)

TG-237E-N(X)A

in. (mm)

A Width 14 (355.6) 18 1/2 (470)

B Depth 9 7/8 (249.5) 9 3/8 (230.5)

C Height - Unit 22 7/8 (582) 23 5/8 (600)

D Height - with brackets 25 3/8 (646.4) 25 1/8 (640)

E Hot Water Outlet - from wall 3 7/8 (96) 4 1/2 (115)

F Hot Water Outlet - from center 4 3/8 (110) 2 3/8 (61)

G Cold Water Inlet - from wall 2 5/8 (75) 3 7/8 (99)

H Cold Water Inlet - from center 1 1/8 (27) 2 (52)

I Gas Connection - from wall 4 1/8 (104) 2 3/8 (61.2)

J Gas Connection - from center 3 1/2 (89) 4 3/8 (110)

From base to gas connection 1 5/8 (40) 1 5/8 (40)

From base to cold connection 2 (50) 2 (50)

From base to hot connection 1 5/8 (41) 1 5/8 (41)

TG-150E-N(X), TG-180E-N(X), TG-199E-N(X) TG-237E-N(X), TG-237E-N(X)A

Figure 1. Graph Showing Pressure Drop v. Water Flow Rate.

Figure 2. Graph Showing Water Flow Rate v. Temperature Rise.

TG-237E-N(X)

TG-237E-N(X)A

TG-237E-N(X) & TG-237E-N(X)A

TG-199E-N(X)

TG-180E-N(X)

TG-150E-N(X)

TG-150E-

N(X)

TG-180E-

N(X)

TG-199E-

N(X)

SECTION III: INSTALLATION INSTRUCTIONS

CAUTION

If building cold water supply has a back-flow preventer, check valve or water meter with check valve,

provisions for thermal expansion of water in the hot water system must be provided.

WARNING

Pressure relief valve discharge piping must be piped near ground or drain to eliminate potential of

severe burns. Insulate and use electrical heat tape around the discharge drain pipe in any area

where freezing could occur. Do not install any shut-off valves, plugs or caps to the temperature and

pressure relief valve or piping.

DANGER

Temperature setting should not exceed safe temperature at fixtures. See water temperature control

warning in the “Temperature Adjustment” section of this Installation and Operation Instruction

Manual. If higher preheat temperatures are necessary to obtain adequate booster output, add an

ASSE approved mixing valve for hot water supplied to fixtures.

WARNING

INSTALLATION OF THIS WATER HEATER REQUIRES ABILITY EQUIVALENT TO THAT OF A

LICENSED PLUMBER. Plumbing, air supply, venting, gas supply and electrical work are required.

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 telephone in another building.

Gas detectors are available. Contact your gas supplier or plumbing professional for more

information.

Liquefied petroleum gases/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. 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 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!

WARNING

UNPACKING

INSPECT SHIPMENT carefully for any signs of damage.

1. All equipment is carefully manufactured, inspected and packed.

2. Any claims for damage or shortage in shipment must be filed immediately with Bradford White

Corporation and noted on the Bill of Lading.

WATER HEATER LOCATION

1. This water heater must be installed outdoors.

2. The water heater must be installed on a wall capable of supporting at least 55 pounds (25 kg).

Locate the water heater at a height convenient for servicing and above the reach of small

children.

3. Refer to Table 3 for minimum installation clearances.

4. If the water heater is installed in a confined space, such as a closet, ventilation air must be

provided to prevent increased room temperature. Excessive ambient temperatures surrounding

the water heater may shorten the life of the controls.

WARNING

Residential use water heaters are suitable for potable water heating only. DO NOT use a

residential use water heater for space heating or combination space heating/domestic

water heating. Commercial use water heaters may be used for space heating or

combination space heating/domestic water heating. Refer to the instructions for space

heating in this Installation and Operation Instruction Manual.

This water heater is not suitable for use in pool or spa applications.

This water heater must be installed outdoors. Failure to properly install this water heater

outdoors may result in property damage, personal injury, or death. Refer to the

installation of the water heater in this Installation and Operation manual for details on the

location and installation outdoors. Do not install indoors.

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