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Bristol H24B13QABCA - 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

WARNING

A & B SERIES INSTALLATION & SERVICE INSTRUCTIONS

TROUBLESHOOTING COMPRESSOR START FAILURES

Locked Rotor Pull-Down Voltage Test

Measure voltage during locked rotor to ensure supply stability.

Direct Wiring Test Procedure

Test compressor by direct wiring to isolate faults.

DETERMINE CAUSE OF INITIAL FAILURE

Pre-Removal Fault Diagnosis

Identify root cause before removing the faulty compressor, including refrigerant recovery.

BRAZING AND LEAK TESTING

SYSTEM EVACUATION AND ELECTRICAL CHECK

Electrical System Verification

Verify compressor wiring and components against diagrams and specifications.

SYSTEM CHARGING AND START-UP

Start-Up Current Monitoring

Monitor start winding current during initial start-up using a clamp-on ammeter.

Normal Start Current Values

Expected start winding currents for different compressor configurations.

LIQUID FLOODBACK VERIFICATION

Heat Pump Floodback Test

Test liquid floodback in heating mode by checking superheat and sump temps.

Cooling Mode Floodback Test

Test liquid floodback in cooling mode by checking superheat and sump temps.

SUPERHEAT AND FILTER DRIER CHECKS

FILTER DRIER CONTAMINATION AND FINAL REVIEW

Summary

WARNING

A & B SERIES INSTALLATION & SERVICE INSTRUCTIONS

TROUBLESHOOTING COMPRESSOR START FAILURES

Locked Rotor Pull-Down Voltage Test

Measure voltage during locked rotor to ensure supply stability.

Direct Wiring Test Procedure

Test compressor by direct wiring to isolate faults.

DETERMINE CAUSE OF INITIAL FAILURE

Pre-Removal Fault Diagnosis

Identify root cause before removing the faulty compressor, including refrigerant recovery.

BRAZING AND LEAK TESTING

SYSTEM EVACUATION AND ELECTRICAL CHECK

Electrical System Verification

Verify compressor wiring and components against diagrams and specifications.

SYSTEM CHARGING AND START-UP

Start-Up Current Monitoring

Monitor start winding current during initial start-up using a clamp-on ammeter.

Normal Start Current Values

Expected start winding currents for different compressor configurations.

LIQUID FLOODBACK VERIFICATION

Heat Pump Floodback Test

Test liquid floodback in heating mode by checking superheat and sump temps.

Cooling Mode Floodback Test

Test liquid floodback in cooling mode by checking superheat and sump temps.

SUPERHEAT AND FILTER DRIER CHECKS

FILTER DRIER CONTAMINATION AND FINAL REVIEW

Bristol H24B13QABCA Specifications

General IconGeneral
BrandBristol
ModelH24B13QABCA
CategoryAir Compressor
LanguageEnglish

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