LG Multi V PRHR042A Manuals

Table of Contents

• 1

  Installation Manual
• 3

  Table of Contents
• 4

  Safety Precautions
• 7

  Safety Precautions
• 8

  Unit Nomenclature
• 9

  Outdoor Unit Specifications
  • 9

    208-230V Outdoor Units
  • 14

    460V Outdoor Units
• 19

  Electrical Data
  • 19

    208-230V Outdoor Unit Electrical Data
  • 20

    460V Outdoor Unit Electrical Data
• 21

  Heat Recovery Specifications / Electrical Data
• 22

  Outdoor Unit Dimensions
• 25

  Outdoor Unit Dimensions
• 26

  Heat Recovery Unit Dimensions
• 29

  Transporting / Lifting
• 30

  Placement Considerations
  • 30

    Selecting the Best Location for the Outdoor Unit(S)
  • 32

    Outdoor Unit Clearance Requirements
  • 33

    Installing Outdoor Units Indoors
  • 34

    Installing Outdoor Units Indoors
  • 35

    Installing and Setting Outdoor Units in Dual / Triple Frame Systems
  • 36

    Selecting the Best Location / Clearance Requirements for the Heat Recovery Unit(S)
  • 37

    Placement Considerations
• 40

  Mounting / Anchoring the Outdoor Unit(S)
• 40

  Mounting / Anchoring the Heat Recovery Unit(S)
• 41

  General Refrigerant Piping System Information
  • 41

    LG Air Conditioner Technical Solution (LATS)
  • 43

    Refrigerant Safety Standards / Device Connection Limitations
  • 44

    Selecting Copper Piping
  • 45

    Copper Expansion and Contraction
  • 48

    Piping Handling
  • 49

    Refrigerant System Engineering
  • 52

    Flaring and Brazing Procedures
• 54

  Installing for Heat Pump Operation
  • 55

    Indoor Unit Y-Branch Kits
  • 56

    Outdoor Unit Y-Branch Kits
  • 56

    Installing for Heat Pump Operation
  • 58

    Header Kits
  • 60

    Sample Layouts
  • 64

    Piping Connections / Pipe Routes
  • 65

    Knock Outs
  • 66

    Removing the Leak Prevention Caps
  • 67

    Service Ports
• 68

  Installing for Heat Recovery Operation
  • 69

    Indoor Unit Y-Branch Kits
  • 69

    Due to Our Policy of Continuous Product Innovation, Some Specifications May Change Without Notification
  • 70

    Outdoor Unit Y-Branch Kits
  • 71

    Due to Our Policy of Continuous Product Innovation, Some Specifications May Change Without Notification
  • 72

    Header Kits
    • 72

      Due to Our Policy of Continuous Product Innovation, Some Specifications May Change Without Notification
    • 73

      Due to Our Policy of Continuous Product Innovation, Some Specifications May Change Without Notification
  • 74

    Heat Recovery Units
    • 74

      Due to Our Policy of Continuous Product Innovation, Some Specifications May Change Without Notification
    • 76

      Due to Our Policy of Continuous Product Innovation, Some Specifications May Change Without Notification
    • 77

      Due to Our Policy of Continuous Product Innovation, Some Specifications May Change Without Notification
    • 78

      Due to Our Policy of Continuous Product Innovation, Some Specifications May Change Without Notification
    • 79

      Due to Our Policy of Continuous Product Innovation, Some Specifications May Change Without Notification
  • 80

    Sample Layouts
    • 80

      Due to Our Policy of Continuous Product Innovation, Some Specifications May Change Without Notification
    • 81

      Due to Our Policy of Continuous Product Innovation, Some Specifications May Change Without Notification
    • 82

      Due to Our Policy of Continuous Product Innovation, Some Specifications May Change Without Notification
    • 83

      Due to Our Policy of Continuous Product Innovation, Some Specifications May Change Without Notification
    • 84

      Due to Our Policy of Continuous Product Innovation, Some Specifications May Change Without Notification
    • 85

      Due to Our Policy of Continuous Product Innovation, Some Specifications May Change Without Notification
  • 86

    Piping Connections / Pipe Routes
  • 87

    Knock Outs
  • 88

    Removing the Leak Prevention Caps
  • 89

    Service Ports
• 90

  Refrigerant Piping for Separated Outdoor Units
• 93

  Insulation
• 96

  Electrical
  • 96

    General Information
  • 98

    Power Wiring and Communication Cable Terminations
    • 98

      Main Power Wiring
    • 98

      Terminal Block
  • 100

    Power Wiring and Communication Cable Connections
  • 101

    Power Wiring and Communication Cable System Layout
  • 102

    Power Supply / Power Wiring Specifications
  • 105

    Power Supply / Power Wiring Specifications
  • 106

    Communication Cable Specifications
  • 110

    Electrical
• 111

  Pre-Commissioning
  • 111

    Triple Leak / Pressure Check
  • 114

    Triple Evacuation Procedure
  • 117

    Vacuum Mode (Option)
  • 118

    Pre-Commissioning Start / Outdoor Unit DIP Switch Settings
  • 119

    DIP Switch Settings for Use with Gen 4 Indoor Units
  • 121

    Setting the Optional Modes
  • 135

    Self Diagnostics Check
  • 136

    Indoor Unit Auto Addressing
  • 138

    Group Controlling Indoor Units
  • 138

    Indoor Unit Auto Addressing
  • 139

    Central Control
  • 141

    Central Control
  • 142

    Addressing with Heat Recovery Units
  • 153

    Addressing with Heat Recovery Units
  • 154

    Temperature Sensing Location
  • 155

    Setting External Static Pressure
  • 155

    Temperature Sensing Location
  • 157

    Package Pre-Commissioning Documents / Initiate a Request
• 158

  Error Codes
• 159

  Error Codes
• 169

  LG Monitoring View (LGMV) Diagnostic Software
• 171

  Maintenance Recommendations
• 174

  Installation Checklist
• 176

  Checklists