Copeland ZP K3 Series - User Manual

JUNE 2024
BULLETIN AE4-1365 R6
Application Engineering
5 to 12 Ton ZP*K3, ZP*KC, and ZP*KW R-410A Copeland Scroll
Compressors for Air Conditioning
BULLETIN NO: AE4-1365 R6
Safety
Important Safety Information 3
Responsibilities, Qualifications and Training 3
Terminal Venting and Other Pressurized System
Hazards 3
Flammable Refrigerant Hazards 4
Electrical Hazards 4
Hot Surface and Fire Hazards 4
Lifting Hazards 4
POE Oil Hazards 4
Precautions 4
Signal Word Definitions 6
Introduction
Nomenclature 7
Application Considerations
Internal Pressure Relief (IPR) Valve 7
Discharge Temperature Protection 8
Heat Pump Protection 8
Discharge Line Thermostat 8
Air Conditioning Unit Protection 8
High Pressure Control 8
Discharge Check Valve 9
Motor Overload Protection 9
Operating Envelope 9
Power Supply 9
Accumulators 9
Screens 10
Crankcase Heat - Single Phase 10
Crankcase Heat - Three Phase 10
Pump Down Cycle 10
Minimum Run Time 10
Reversing Valves 11
Low Ambient Cut-Out 11
Oil Type 11
Contaminant Control 11
Long Line Sets/High Refrigerant Charge 12
Discharge Mufflers 12
Air Conditioning System Suction Line Noise and
Vibration 12
Mounting Parts 13
Electrical Connections 13
Deep Vacuum Operation 13
Shell Temperature 13
Suction and Discharge Fittings 14
System Tubing Stress 14
Three Phase Scroll Compressor Electrical Phasing14
Brief Power Interruptions 14
Manifolding Tandem Compressors 14
Tandem Applications 15
Application Test
Application Test Summary 15
Continuous Floodback Test 15
Field Application Test 16
Assembly Line Procedures
Installing the Compressor 16
Assembly Line Brazing Procedure 16
Tandem Assembly 17
Pressure Testing 17
Assembly Line System Charging Procedure 17
Hipot (AC High Potential) Testing 18
Final Run Test 18
Unbrazing System Components 18
Service Procedures
Copeland Scroll Compressor Functional Check 19
Compressor Replacement After a Motor Burn 19
Start-Up of a New or Replacement Compressor: 20
Contents

Copeland ZP K3 Series Specifications