Crown Boiler BSI SERIES - User Manual

D ESIGNED TO L EAD
980433 Rev 11 - 3/23
WARNING
Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury, or
loss of life. For assistance or additional information, consult a qualified installer, service agency or the gas
supplier. This boiler requires a special venting system. Read these instructions carefully before installing.
!
BSI Series
Gas-Fired Natural Draft Steam Boilers
INSTALLATION, OPERATING and SERVICE
INSTRUCTIONS
TO THE INSTALLER:
Affix these instructions on or adjacent to boiler.
Provide model number and serial number when
seeking information and support.
TO THE CONSUMER:
Retain these instructions for future reference.
Contact heating contractor for all issues and support.
9902339
H
Models:
• BSI069
• BSI103
• BSI138
• BSI172
• BSI207
• BSI241
• BSI276
PROTECT YOUR INVESTMENT
REGISTER YOUR WARRANTY AT
VELOCITYBOILERWORKS.COM

Summary

Boiler Overview and Specifications

Product Description

General description of the BSI series gas-fired natural draft steam boilers.

Technical Specifications

Detailed technical specifications including ratings, dimensions, and water volume for BSI boilers.

Installation Requirements and Safety

Pre-Installation Procedures

Crucial checks and preparations before installing the boiler, including shipment inspection.

Boiler Location Guidelines

Guidelines for selecting an appropriate and safe location for the boiler, considering clearances and hazards.

Combustion Air Requirements

Requirements for providing adequate combustion and ventilation air for safe boiler operation.

System Connections

Venting System Installation

Proper installation and requirements for the boiler's venting system to prevent hazardous gas release.

Steam Piping Configuration

Guidelines and recommendations for near-boiler steam piping to ensure efficient operation.

Indirect Water Heater Piping

Instructions for connecting an indirect water heater to the boiler for domestic hot water.

Gas Piping and Connections

Procedures and safety precautions for connecting the boiler to the gas supply.

Electrical Wiring Instructions

Instructions for connecting electrical power, thermostat, and feeder wiring to the boiler.

Operation and Maintenance

Start-up and Checkout Procedures

Step-by-step guide for safely starting up and checking the boiler's functionality.

Boiler Operation Overview

Explanation of the boiler's sequence of operation and safety control functions.

Service and Maintenance Schedule

Routine maintenance tasks and safety precautions for servicing the boiler.

Heat Exchanger Cleaning

Procedure for cleaning the boiler's heat exchanger to maintain efficiency and prevent damage.

Troubleshooting and Parts

Boiler Troubleshooting Guide

Diagnostic charts and notes to help identify and resolve common boiler operational issues.

Replacement Parts Catalog

Comprehensive list of available replacement parts for BSI series boilers.

Appendix: Boiler Assembly

Before Installing Appendix

Initial inspection and preparation steps before assembling the boiler.

Base Assembly Preparation

Steps for preparing the boiler's base assembly before installation.

Heat Exchanger and Flue Collector Installation

Procedures for installing the heat exchanger and flue collector components.

Jacket Installation Appendix

Steps for attaching the external jacket panels to the boiler assembly.

Electrical Wiring Connections (Appendix)

Detailed instructions for making electrical connections for controls and components.

Crown Boiler BSI SERIES Specifications

General

Category	Boiler
Series	BSI SERIES
Manufacturer	Crown Boiler
Fuel Type	Natural Gas or Propane
Construction	Cast Iron
Boiler Type	Hot Water
Type	Residential
Gas Connection	1/2" NPT
Voltage	120 VAC
Ignition Type	Electronic