A.O. Smith Comprehensive Water Heater Manual for Installation and Troubleshooting

Page 1

COPPER BOILERS FOR

HYDRONIC HEATING AND

HOT WATER SUPPLY

Installation

Operation

Maintenance

Limited Warranty

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.

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.

PLACE THESE INSTRUCTIONS ADJACENT TO BOILER AND

NOTIFY OWNER TO KEEP FOR FUTURE REFERENCE.

Instruction Manual

GB/GW MODELS:

1000, 1300, 1500, 1850, 2100, 2500

SERIES 200, 201

CAUTION

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

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

LIGHTINGAND OPERATING

24 - 25

CONTROL SYSTEM

26

- 31

PREVENTATIVE MAINTENANCE

31

- 33

TROUBLE SHOOTING

33 - 34

LIMITED WARRANTY

 

35

WIRING DIAGRAM/SCHEMATIC

36

- 37

A DIVISION OF A. O. SMITH CORPORATION

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

STRATFORD-ONTARIO, VELDHOVEN-THE NETHERLANDS

www.hotwater.com

PRINTED IN U.S.A. 2526 0501

1

PART NO. 211257-000 REV. 0

 

 

 

Image 1
Contents Limited Warranty For buying this cost efficient, high recovery unit fromGAS and Electrical Characteristics ROUGH-IN DimensionsRough in Dimensions Heat Exchanger Pressure Drop Recovery CapacitiesForeword High Altitude InstallationGrounding Instructions Correct GASFEATURES/CONTROLS Safety Relief Valves Installation InstructionsCirculating Pump Required AbilityChemical Vapor Corrosion Installation ClearancesLevelling AIR RequirementsVenting Connecting Boiler to a Common VentUnconfined Space Confined SpaceLocation Requirements INTAKE/EXHAUST Intake/Exhaust Installation Requirements See figureType B or Standard Vent Vertical CategoryEquivalent 16 40.6 cmVenting Vent Size Vent Length Material Inches Feet Standard Vent Horizontal CategoryIII Stainless SteelDirect Vent Vertical Category Direct Vent Vertical Exhaust ConfigurationsDirect Vent Horizontal Category Direct Vent Horizontal Exhaust ConfigurationsVent Connector Model Number Horizontal Vent InstallationStandard Vertical VENTING, Category Standard Horizontal VENTING, CategoryHydronic Installation System InstallationSpace Heating Applications Cooling PipingHOT Water Supply Boiler Installation Single boiler with horizontal tank Single boiler with vertical tank Suggested Pipe Size For Multiple Gas Appliances Propane Gas GAS Connections Single Unit INSTALLATION, Suggested Pipe SizeDistance from Meter BTU Input BtuhFilling and Purging for Heating Boiler Installation Wiring ConnectionsFilling for HOT Water Supply Boiler Installation OperationPurging of GAS Line AdjustmentsInlet GAS Pressure Manifold PressureFor Your Safety Read Before Operating For Your Safety Read Before Operating Control System DIA-SCAN II Display Board Operating ProceduresDescription of MULTI-STAGE Firing System Red Fault Lights Options/Features Setting ProceduresGreen Status Lights Yellow Parameter Set Lights Temperature ProbesOutlet Probe Inlet ProbeProcedure for Setting Stage Differential Procedure for Setting Tank Probe TemperatureApplication Hydronic Heating Stage OneLast Error Mode Procedure for Setting Pump DelayDisplay Stage Cycle Count Appliance Operating SequenceMain Burners Preventative MaintenanceDeliming Troubleshooting Ignition System Replacement PartsLED Circulate Fault Flow Switch No GAS Valve Power SensedInsufficient AIR AIR Pressure Switch Stage Power VentNEW Boiler Limited Warranty Replacement Parts