Booster Pump Service Manual & Troubleshooting Guide
Table of Contents

INTRODUCTION

This manual demonstrates the proper servicing techniques for Bell & Gossett Booster Pumps. B&G Boosters have been designed to give many years of trouble free operation with periodic maintenance limited to lubrication. However, should repair become necessary, service techniques illustrated and explained in this manual should be followed to provide safe and efficient methods of repair.

SAFETY INSTRUCTION

WARNING

BEFORE INSTALLING, USING OR SERVICING THIS PRODUCT READ THE WARNING NOTES AND INSTRUCTION MANUAL. FAILURE TO DO SO MAY RESULT IN SERIOUS INJURY OR PROPERTY DAMAGE.

This safety alert symbol will be used in this manual and on the pump instructions decal to draw attention to safety related instructions. When used, the safety alert symbol means ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! FAILURE TO FOLLOW THE INSTRUCTIONS MAY RESULT IN A SAFETY HAZARD.
Your Booster Pump should have this warning label affixed to the pump near the conduit box cover. If this warning is missing or illegible, contact your local Bell & Gossett Representative for a replacement.

PUMP APPLICATION

Bell & Gossett Booster Pumps may be used for water circulating applications in hydronic, solar and chilled water systems. If equipped with a bronze pump body, Bell & Gossett Booster Pumps may be used for water circulation in potable water systems. Note that some local codes require using a check valve in the supply line when recirculating potable water. If a supply line check valve is installed, a properly sized and located compression tank and pressure relief valve is required.

! WARNING: Excessive Pressure
Hazard-Volumetric Expansion

The heating of water and other fluids caused volumetric expansion. The associated forces may cause failure of system components and release high temperature fluids. This will be prevented by installing properly sized and located compression tanks and pressure relief valves. Failure to follow these instructions could result in serious personal injury, death and/or property damage.

WARNING: Electrical Shock Hazard

Electrical Connections must be made byx a qualified electrician in accordance with all applicable codes, ordinances and good practices. Failure to follow these instructions could result in serious personal injury or death and property damage.

WARNING: Excessive Pressure Hazard

The maximum working pressure of the pump is listed on the nameplate, do not exceed this pressure. Failure to follow these instructions could result in serious personal injury or death and property damage.

1.Electrical connections are to be made by qualified electricians in accordance with all national, state and local codes. 2.B&G Booster Pump are designed to pump liquids compatible with their iron or bronze body construction at working pressures up to 125 psi at a maximum temperature of 225ºF. Do not exceed these values. 3.This pump is for indoor use only
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