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Carrier B Series User Manual

Carrier B Series
32 pages
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NOTE: Read the entire instruction manual before starting the installation. These instructions must be affixed on or adjacent to the boiler.
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Index Page
SAFETY CONSIDERATIONS.....................................................................................................................................................................................3
INTRODUCTION..........................................................................................................................................................................................................3
BOILER RATINGS AND CAPACITIES ....................................................................................................................................................................4
ama
ASME
®
A95139
Continuous Pilot
MODEL BS1
A90003
Electronic Intermittent Ignition
MODEL BS2
Installation, Start-Up, and Operating Instructions
BS1 and BS2
Series B
Gas-Fired
Natural Draft Steam Boilers
Sizes 70,000 through 299,000
Form: IM-BS1A-05 Cancels: IM-BS1A-04 Printed in U.S.A. 8-03 Catalog No. 63BS-1A3

Table of Contents

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Carrier B Series Specifications

General IconGeneral
BrandCarrier
ModelB Series
CategoryControl Unit
LanguageEnglish

Summary

Safety Considerations

Introduction

Locating the Boiler

Boiler Location in Unconfined Space

Procedure for placing the boiler in an unconfined space.

Boiler Location in Confined Space

Procedure for placing the boiler in a confined space.

Fresh Air for Combustion

Installation System Piping

Use With Cooling Units

Instructions for connecting the boiler for use with cooling units.

Chimney and Vent Pipe Connection

Checking Chimney

Procedure for inspecting the chimney for proper condition and size.

Chimney Sizing

Guidelines for determining the correct chimney size for the boiler.

Connecting Vent Damper and Vent Connector

Instructions for connecting the vent damper and vent connector.

Minimum Vent Pipe Clearance

Specifies minimum clearances for vent pipe from combustible materials.

Removing Existing Boiler from Common Venting System

Procedure for removing an old boiler from a shared venting system.

Gas Supply Piping

Checking Gas Supply

Procedure for verifying the gas supply size and connections.

Connecting Gas Piping

Steps for properly connecting the gas piping to the boiler.

Checking Gas Piping

Procedure for leak testing the gas piping connections.

Electrical Wiring

Electric Power Supply

Instructions for connecting the boiler to the electrical power supply.

Installing Thermostat

Guidance on locating and installing the thermostat for optimal operation.

Electronic Thermostats

Information regarding electronic thermostats and isolation relay requirements.

Vent Damper Connection

Instructions for connecting the vent damper to the boiler's wiring.

Checking and Adjusting

Pilot Burner Adjustment

Procedure for adjusting the pilot burner flame for correct operation.

Main Burner Adjustment

Guidance on observing and adjusting main burner flames.

Gas Valve Safety Shutdown Test

Test procedure for the gas valve safety shutdown feature.

Steam Pressure Control Adjustment

Procedure for adjusting the steam pressure limit control (pressuretrol).

Checking Controls

Procedures for checking Low Water Cut-Off, Pressure Limit, and Thermostat.

Gas Valve Operating Instructions

Intermittent Ignition Boiler Gas Valve

Instructions for turning the gas valve on/off for intermittent ignition boilers.

Continuous Pilot Boiler Gas Valve

Instructions for turning the gas valve on/off for continuous pilot boilers.

Operating Boiler

How a Steam System Operates

Explanation of how a steam heating system functions.

Filling System with Water

Procedure for filling the boiler with water to the correct level.

Water Level

Details on checking and maintaining the correct water level in the boiler.

Automatic Gas Valve

Explanation of the automatic gas valve operation.

Thermostat

Instructions for setting and checking the thermostat operation.

Cleaning Boiler

Skimming

Procedure for skimming the boiler to remove impurities.

Blowdown

Procedure for blowing down the low water cut-off and boiler.

Maintaining Boiler

Water Level

Daily/bi-daily checks for proper boiler water level.

Relief Valve

Procedure for testing and maintaining the relief valve.

Low Water Cut-Off (LWCO)

Maintenance procedures for float-type and probe-type LWCOs.

Burners

Annual visual check of pilot and main burner flames.

Boiler Flue Passages

Recommendation for annual check of flue passages.

Vent Pipe

Recommendation for checking vent piping seasonally.

Cleaning Boiler Flue Passages and Burners

Procedure for cleaning internal flue passages and burners.

Foaming, Priming, or Surging

Explanation and causes of fluctuating water lines.

Boiler Water Treatment (Other Than Cleaners)

Guidelines on water treatment for steam systems.

Between Heating Seasons

Recommendations for boiler care between heating seasons.

Service Hints

Repair Parts

Service Training

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