A.O. Smith 2500 Instruction Manual

A.O. Smith Water Heater Instruction Manual - 2500.
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1

PRINTED IN U.S.A. 2526 0501

COPPER BOILERS FOR

HYDRONIC HEATING AND

HOT WATER SUPPLY

 CAUTION

TEXT PRINTED OR OUTLINED IN RED CONTAINS
INFORMATION RELATIVE TO YOUR SAFETY.
PLEASE READ THOROUGHLY BEFORE INSTALLING
AND USING THIS APPLIANCE.

PART NO. 211257-000 REV. 0

A DIVISION OF A. O. SMITH CORPORATION

EL PASO, TX., MC BEE, SC.,   RENTON, WA.,

STRATFORD-ONTARIO,  VELDHOVEN-THE NETHERLANDS

www.hotwater.com

PLACE THESE INSTRUCTIONS ADJACENT TO BOILER AND

NOTIFY OWNER TO KEEP FOR FUTURE REFERENCE.

• Installation

• Operation

• Maintenance

• Limited Warranty

Instruction Manual

GB/GW  MODELS:

1000, 1300, 1500, 1850, 2100, 2500

SERIES 200, 201

WARNING: If the information in this
manual is not followed exactly, a fire or
explosion may result causing property
damage, personal injury or loss of life.

Thank Y

ou

 for buying this cost

efficient, high recovery unit from

A. O. Smith Water Products Co.

You should thoroughly read and understand this
manual before installation and/or operation of this
boiler.  Please pay particular attention to the
important safety and operating instructions as well
as the WARNINGS and CAUTIONS.

CONTENTS

PAGE

ROUGH-IN DIMENSIONS/CAPACITIES ............. 2 - 3
FOREWORD ..................................................... 4 - 5
FEATURES/CONTROLS ...................................  5 - 6
INSTALLATION INSTRUCTIONS ...................  6 - 22
VENTING .......................................................  8 - 14
SYSTEM INSTALLATION .............................. 15 - 19
HYDRONIC INSTALLATION .......................... 15 - 17
HOT WATER SUPPLY INSTALLATION ......... 17 - 19
GAS CONNECTIONS .................................... 20 - 21
OPERATION ................................................  22 - 23
LIGHTING AND OPERATING ......................... 24 - 25
CONTROL SYSTEM ....................................  26 - 31
PREVENTATIVE  MAINTENANCE ................  31 - 33
TROUBLE SHOOTING .................................. 33 - 34
LIMITED WARRANTY .......................................... 35
WIRING DIAGRAM/SCHEMATIC ..................  36 - 37

• 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:

Extinguish any open flame.

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.

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