Bristol H23A383ABC - User Manual

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REVISED: 5/03

SUPERSEDES: 2/98

A & B SERIES

INSTALLATION & SERVICE INSTRUCTIONS

REFRIGERATION/AIR CONDITIONING/HEAT PUMP COMPRESSORS

BRISTOL COMPRESSORS, INC.

BRISTOL, VIRGINIA 24202

(276) 466-4121

FAX (276) 645-2423

WARNING

ALWAYS MEASURE START WINDING CURRENT ON START-UP!

NORMALLY 2 to 10 AMPS (See Page 5 for Details)

AND

BEFORE A SUSPECT COMPRESSOR IS REMOVED, ALWAYS

CHECK LOCKED ROTOR PULL-DOWN VOLTAGE

(See Page 2 for Details)

CAUTION: Bristol compressors are completely interchangeable with other

manufacturers. However, electrical specifications, tubing configurations,

and wiring connections may vary. Before installing and starting this

compressor, you must review the wiring diagrams and check for correct

electrical components.

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Summary

A & B Series Installation & Service Instructions

Critical Safety Warnings

Important warnings regarding start winding current and locked rotor pull-down voltage.

Troubleshooting Compressor Failures

Single-Phase Compressor Start Failure Diagnosis

Steps to verify components and locked rotor pull-down voltage before condemning a compressor.

Direct Wiring Test Procedure

Isolating the compressor via direct wiring for functional testing.

Compressor Replacement Procedures

Determining Initial Failure Cause

Identifying the root cause of compressor failure to prevent recurrence.

Compressor Removal and Mounting

Step-by-step guide for removing the faulty unit and installing a new one.

System Preparation and Checks

Brazing Lines and Leak Detection

Procedures for brazing lines with inert gas and checking the system for leaks.

System Evacuation and Electrical Verification

Steps for system evacuation and verifying electrical connections and components.

System Charging and Start-Up

Charging the System Correctly

Instructions for charging the system, compensating for filter drier addition.

Monitoring Start Winding Current

Essential step to monitor start winding current during start-up using a clamp-on ammeter.

Compressor Wiring Diagrams

CSR and CSIR Wiring Configurations

Diagrams for Capacitor Start/Capacitor Run and Capacitor Start Induction Run models.

System Verification and Drier Checks

Preventing Liquid Floodback and Checking Superheat

Procedures to verify system operation, prevent liquid floodback, and measure superheat.

Electrical Component Parts (60 Hz)

H24 B Series Components

H23 B Series Components

H29 B Series Components

Electrical Component Parts (Continued)

H29 B Series Components (Continued)

H29 A Series Components

H23 A Series Components

Electrical Component Parts (50 Hz)

H24 B Series Components (50 Hz)

H25 B Series Components (50 Hz)

H28 A Series Components (50 Hz)

H29 B Series Components (50 Hz)

Electrical Component Parts (50 Hz - Continued)

H73 A Series Components (50 Hz)

H23 A Series Components (50 Hz)

H23 B Series Components (50 Hz)

Electrical Component Parts (50 Hz - Further Continued)

H23 B Series Components (50 Hz - Continued)

Compressor Model Number System

Model Number Structure Breakdown

Detailed explanation of how each part of the compressor model number is structured.