A.O. Smith 2600 User Manual
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Instruction Manual

 

 

 

 

 

 

 

 

 

 

 

 

 

XP BOILER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MODELS: XB/XW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1000, 1300, 1700

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2000, 2600, 3400

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SERIES 100/101

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INSTALLATION - OPERATION -

 

 

 

 

 

 

25589

Highway

1

 

 

 

 

 

 

 

 

 

McBee,

SC 29101

 

 

 

MAINTENANCE - LIMITED WARRANTY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WARNING: If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury or death.

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 the gas supplier.

Thank you for buying this energy efficient boiler.

We appreciate your confidence in our products.

PRINTED IN THE U.S.A. 0711

320741-002

TABLE OF CONTENTS

TABLE OF CONTENTS 2

SAFE INSTALLATION, USE AND SERVICE 3

GENERAL SAFETY 4

INTRODUCTION 5

Model Identification 5

Abbreviations Used 5

Qualifications 5

DIMENSIONS AND CAPACITY DATA 6

FEATURES AND COMPONENTS 10

Component Description 12

CONTROL COMPONENTS 13

BOILER INSTALLATION CONSIDERATIONS 15

Hydronic System 15

Hot water boiler system - general water line connections 16

GENERAL REQUIREMENTS 21

Location 21

Fresh air openings for confined spaces 23

VENTING 25

Vent Installation Considerations 25

Venting Supports 27

CONDENSATE DISPOSAL 37

GAS SUPPLY CONNECTIONS 38

BOILER START UP AND OPERATIONS 40

LIGHTING AND OPERATING INSTRUCTIONS 42

CONTROL SYSTEM 45

Burner Control System 45

Burner control operation 46

General operational sequence 47

Local operator interface: display system 49

Installation instructions (S7999B OI Display) 50

Starting up the S7999B OI Display 51

Page Navigation 51

TROUBLESHOOTING 61

MAINTENANCE PROCEDURES 76

Maintenance schedules 76

General maintenance 76

Burner maintenance 77

Venting maintenance 78

Heat exchanger maintenance 78

Handling ceramic fiber materials 79

Replacement parts 79

PIPING DIAGRAMS 80

LIMITED WARRANTY 82

2

SAFE INSTALLATION, USE AND SERVICE

The proper installation, use and servicing of this boiler is extremely important to your safety and the safety of others.

Many safety-relatedmessages and instructions have been provided in this manual and on your boiler to warn you and others of a potential injury hazard. Read and obey all safety messages and instructions throughout this manual. It is very important that the meaning of each safety message is understood by you and others who install, use, or service this boiler.

This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death.

DANGER indicates an imminently

DANGER hazardous situation which, if not avoided, will result in injury or death.

WARNING indicates a potentially hazardous

WARNING situation which, if not avoided, could result in injury or death.

CAUTION indicates a potentially hazardous

CAUTION situation which, if not avoided, could result in minor or moderate injury.

CAUTION used without the safety alert CAUTION symbol indicates a potentially hazardous

situation which, if not avoided, could result in property damage.

All safety messages will generally tell you about the type of hazard, what can happen if you do not follow the safety message, and how to avoid the risk of injury.

The California Safe Drinking Water and Toxic Enforcement Act requires the Governor of California to publish a list of substances known to the State of California to cause cancer, birth defects, or other reproductive harm, and requires businesses to warn of potential exposure to such substances.

This product contains a chemical known to the State of California to cause cancer, birth defects, or other reproductive harm. This boiler can cause low level exposure to some of the substances listed in the Act.

IMPORTANT DEFINITIONS

Gas Supplier:

The

Natural Gas or Propane Utility or service who supplies gas for utilization by the gas burning

appliances

within

this

application. The gas

supplier typically has responsibility for the inspection and

code approval of

gas piping

up to

and including the Natural

Gas meter or Propane storage tank of a building. Many

gas suppliers also

offer service and inspection of appliances within the building.

APPROVALS

3

 

GENERAL SAFETY

GROUNDING INSTRUCTIONS

 

 

HIGH ALTITUDE INSTALLATIONS

This boiler must be grounded in accordance with the National Electrical Code, Canadian Electrical Code and/or local codes. Boiler is polarity sensitive; correct wiring is imperative for proper operation.

This boiler must be connected to a grounded metal, permanent wiring system, or an equipment grounding conductor must be run with the circuit conductors and connected to the equipment grounding terminal or lead on the boiler.

INLET WATER CONSIDERATIONS

Circulating water through the boiler and to the remote storage tank (if applicable)­ is accomplished by a pump on XW models only. For hot water heating systems using the XB model, the circulating pump is NOT provided on standard models (optional) and must be field installed.

CORRECT GAS

Make sure the gas on which the boiler will operate is the same as that specified­ on the boiler rating plate. Do not install the boiler if equipped for a different type of gas; consult­ your supplier.

PRECAUTIONS

If the unit is exposed to the following, do not operate until all corrective steps have been made by a qualified service agent:

1.Exposure to fire.

2.If damaged.

3.Firing without water.

4.Sooting.

If the boiler has been exposed to flooding, it must be replaced.

LIQUEFIED PETROLEUM GAS MODELS

Boilers for propane or liquefied petroleum gas (LPG) are different fromnaturalgasmodels.Anaturalgasboilerwillnotfunctionsafely on LPgas and no attempt should be made to convert a boiler from natural gas to LP gas.

LP gas must be used with great caution. It is highly explosive and heavier than air. It collects first in the low areas making its odor difficult to detect at nose level. If LP gas is present or even suspected, do not attempt to find the cause yourself. Leave the building, leaving doors open to ventilate, then call your gas supplier or service agent. Keep area clear until a service call has been made.

At times you may not be able to smell an LP gas leak. One cause is odor fade, which is a loss of the chemical odorant that gives LP gas its distinctive smell. Another cause can be your physical condition, such as having a cold or diminishing sense of smell with age. For these reasons, the use of a propane gas detector is recommended.

If you experience an out of gas situation, do not try to relight appliances yourself. Call your local service agent. Only trained LP professionals should conduct the required safety checks in accordance with industry standards.

Rated inputs are suitable up to 2000 feet (610 m) elevation. Consult the factory for installation at altitudes over 2000 feet (610 m).

FIELD INSTALLED COMPONENTS

When installing the boiler, the follow­ing components­ must be installed:

Circulating Pump (Hydronic)­

Remote Temperature Sensor/Header Sensor

Storage Tank (Temperature & Pressure Relief Valve)

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