Emerson Copeland Scroll Digital ZRD48KRE Manuals

Table of Contents

• • 2

    Table of Contents

• 4

  About These Guidelines

  • 4

    Icon Explanation
  • 4

    Safety Statements
  • 5

    General Instructions

• 4

  1 Safety Instructions

• 6

  2 Product Description

  • 6

    Common Information about Copeland Scroll Digital™ Compressors
  • 6

    Nomenclature
  • 6

    BOM Variation
  • 7

    Dimensions
  • 9

    Application Range
    • 9

      Qualified Refrigerants and Oils
    • 9

      Application Limits and Operating Envelopes

• 10

  3 Installation

  • 10

    Compressor Handling
    • 10

      Transport and Storage
    • 10

      Positioning and Securing
    • 10

      Installation Location
    • 11

      Mounting Parts
  • 11

    Solenoid Valves for Models ZRD*KRE Compressors
    • 12

      Solenoid Valve Installation - General Recommendations
    • 12

      Solenoid Valve Installation - Tubing Recommendations
  • 13

    Discharge Check Valve
  • 13

    Brazing Procedure
  • 14

    Shut-Off Valves and Adaptors
  • 15

    Oil Separator
  • 15

    Accumulators
  • 15

    Screens
  • 15

    Mufflers
  • 16

    Suction Line Noise and Vibration

• 17

  4 Electrical Connection

  • 17

    General Recommendations
  • 17

    Electrical Installation
    • 19

      Terminal Box
    • 19

      Motor Winding
    • 20

      Motor Protection
    • 20

      Protection Devices
    • 20

      Crankcase Heaters
  • 20

    Pressure Safety Controls
    • 20

      IPR Valve (Internal Pressure Relief Valve)
    • 20

      High-Pressure Control
    • 21

      Low-Pressure Control
  • 21

    Discharge Temperature Protection
  • 22

    High Potential Testing

• 23

  5 Starting up & Operation

  • 23

    Strength Pressure Test
  • 23

    Tightness/Pressure Test
  • 23

    System Evacuation
  • 23

    Preliminary Checks - Pre-Starting
  • 24

    Charging Procedure
  • 24

    Initial Start-Up
  • 24

    Rotation Direction
  • 25

    Pressure Fluctuations
  • 25

    Starting Sound
  • 25

    Deep Vacuum Operation
  • 25

    Shell Temperature
  • 25

    Pump-Down Cycle
  • 25

    Minimum Run Time
  • 26

    Sound Characteristics
  • 26

    Shut-Off Sound
  • 26

    Frequency
  • 26

    Oil Level
  • 26

    Digital System Control
  • 26

    Power Factor

• 27

  6 Maintenance & Repair

  • 27

    Exchanging the Refrigerant
  • 27

    Rotalock Valves
  • 27

    Replacing a Compressor
    • 27

      Compressor Replacement
    • 27

      Start-Up of a New or Replacement Compressor
  • 28

    Lubrication and Oil Removal
  • 28

    Oil Additives
  • 29

    Unbrazing System Components

• 29

  Disclaimer

• 29

  7 Dismantling & Disposal