Haier 1U12TE1VHA Manuals

Table of Contents

• 7

  Outdoor Unit Controls & Components

  • 3

    Introduction
  • 4

    Safety Precautions
  • 7

    Table of Contents
  • 8

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  • 8

    Outdoor Unit Introduction
  • 9

    Outdoor Main Control Board
    • 9

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  • 10

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  • 10

    Compressor
  • 10

    Outdoor Fan Motor
  • 10

    Reactor
  • 11

    Defrost Temperature Sensor
  • 11

    Discharge Temperature Sensor
  • 11

    Outdoor Ambient Temperature Sensor
  • 11

    Suction Line Temperature Sensor
  • 12

    4-Way Valve
  • 12

    Accumulator
  • 12

    Electronic Expansion Valve
  • 12

    Filters

• 13

  Table of Contents

  • 14

    Indoor Unit Introduction
  • 14

    Main Control Board
  • 14

    Terminal Block
  • 15

    Indoor Control Board
  • 16

    Ambient Temperature Sensor
  • 16

    Display
  • 16

    Piping Temperature Sensor
  • 16

    Terminal Block
  • 17

    Emergency Button
  • 17

    Fan Motor
  • 17

    Louver Motor

• 25

  Sequence of Operation

  • 26

    Cool Mode
    • 26

      Overview
    • 26

      Indoor Unit
    • 26

      Temperature Sensors
    • 26

      Communication
    • 27

      Temperature Sensors
    • 27

      Call to Terminate Cooling
    • 27

      Freeze Protection Function
  • 26

    System Power
  • 27

    Heat Mode
    • 27

      Overview
    • 27

      Cold Air Proof Operation
    • 28

      Defrost
    • 28

      Indoor Unit
    • 28

      Temperature Sensors
    • 28

      Communication
    • 28

      Outdoor Unit
    • 29

      Call to Terminate Heating
  • 29

    Auto Mode
  • 29

    Dry Mode
    • 29

      Overview
    • 29

      Indoor Unit
    • 29

      Temperature Sensors
    • 30

      Temperature Sensors
  • 30

    Defrost Operation
  • 30

    Protection Functions
    • 30

      TTC High Temperature Protection
    • 32

      Sequence of Operation

• 33

  Installation

  • • 33

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  • 34

    Step 1 - Preparation

    • 34

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    • 34

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    • 34

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  • 35

    Step 2 - Installation of the Indoor Unit

    • 35

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    • 36

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  • 36

    Step 3 - Installation of the Outdoor Unit

    • 36

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  • 37

    Step 4 - Interconnecting the Indoor and Outdoor Units

    • 37

      Piping

  • 38

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    • 38

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    • 38

      System Evacuation

  • 39

    Step 6 - Charging

    • 39

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    • 39

      System Test
    • 39

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  • 40

    Section 7 - Explaining Operation to the End User

  • 40

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  • 41

    Section 9 - Seacoast Application

• 43

  Error Codes & Problem Solving

  • 44

    U D a C M M U D E14
    • 46

      Outdoor Unit Display
      • 46

        LED1 Flashes 9 Times
  • 47

    IPM Protection
    • 47

      Outdoor Unit Display
      • 47

        LED1 Flashes 2 Times
    • 47

      LED1 Flashes 3 Outdoor 24 Outdoor 25 Times
    • 48

      Outdoor Unit Display
      • 48

        LED1 Flash 4 Times
    • 49

      Outdoor Unit Display
    • 50

      Outdoor Unit Display
      • 50

        LED1 Flashes 15 Times
      • 51

        Outdoor Unit Display
    • 51

      LED1 Flashes 18 Outdoor 19 Times
  • 52

    Checking Outdoor Unit Components
    • 52

      Checking the Outdoor Unit Sensors
    • 52

      Checking the DC Fan Motor

• 55

  Reference Information

  • 56

    Outdoor Board Diagram
  • 57

    Outdoor Board Schematic
  • 61

    Indoor Board Diagram
  • 62

    Indoor Board Schematic
  • 64

    Module Board Schematic
  • 65

    Room and Pipe Sensor Tables
  • 68

    Ambient, Defrosting, Pipe Sensor Tables
  • 72

    Discharging Sensor Tables