Copeland ZP K3 Series Application Engineering Bulletin

JUNE 2024
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
Contents
Safety
Important Safety Information
Responsibilities, Qualifications and Training
Terminal Venting and Other Pressurized System
Hazards
Flammable Refrigerant Hazards
Electrical Hazards
Hot Surface and Fire Hazards
Lifting Hazards
POE Oil Hazards
Precautions
Signal Word Definitions
Introduction
Nomenclature
Application Considerations
Internal Pressure Relief (IPR) Valve
Discharge Temperature Protection
Heat Pump Protection
Discharge Line Thermostat
Air Conditioning Unit Protection
High Pressure Control
Discharge Check Valve
Motor Overload Protection
Operating Envelope
Power Supply
Accumulators
Screens
Crankcase Heat - Single Phase
Crankcase Heat - Three Phase
Pump Down Cycle
Minimum Run Time
Reversing Valves
Low Ambient Cut-Out
Oil Type
3 Contaminant Control
3 Long Line Sets/High Refrigerant Charge
Discharge Mufflers
3 Air Conditioning System Suction Line Noise and
4 Vibration
4 Mounting Parts
4 Electrical Connections
4 Deep Vacuum Operation
4 Shell Temperature
4 Suction and Discharge Fittings
6 System Tubing Stress
Three Phase Scroll Compressor Electrical Phasing14
Brief Power Interruptions
7
Manifolding Tandem Compressors
Tandem Applications
7
Application Test
8
Application Test Summary
8
Continuous Floodback Test
8
Field Application Test
8
Assembly Line Procedures
8
9 Installing the Compressor
9 Assembly Line Brazing Procedure
9 Tandem Assembly
9 Pressure Testing
9 Assembly Line System Charging Procedure
10 Hipot (AC High Potential) Testing
10 Final Run Test
10 Unbrazing System Components
10
Service Procedures
10
Copeland Scroll Compressor Functional Check
11
Compressor Replacement After a Motor Burn
11
Start-Up of a New or Replacement Compressor: 20
BULLETIN AE4-1365 R6
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