LG LA120HPI User Manuals

Table of Contents

• Safety Precautions

  3
• Symbols Used in this Manual

  9
• Indoor Unit

  9
• Outdoor Unit

  10
• Installation

  12
• Installation Parts

  12
• Installation Tools

  12
• Installtion Map

  13
• Confirm the Refrigerant

  14
• Select the best Locations

  15
• Piping Length and Elevation

  16
• Preparing Work for Installation

  17
• Fixing Indoor Unit

  18
• Flaring work

  19
• Connection of piping-Indoor

  20
• Connection of the drain hose

  21
• Connection of piping-Outdoor

  23
• Connect the cable to the Indoor unit

  24
• Connection method of the connecting cable(Example)

  25
• Checking the drainage

  27
• Forming the piping

  28
• Air purging

  29
• Charging

  31
• Panel front assembly

  32
• Test running

  33
• Operation

  36
• Functions

  36
• The function of main control

  37
• Display Function

  43
• Self-diagnosis Function

  43
• Remote Control Operations

  44
• Indoor Unit

  45
• Heat Pump/Cooling Only Series(Indoor Unit)

  47
• Heat Pump Series (Outdoor Unit)

  48
• INDOOR UNIT P.W.B. ASSEMBLY

  49
• OUTDOOR UNIT P.W.B. ASSEMBLY

  50
• DISPLAY P.W.B. ASM

  51
• Wiring Diagram

  52
• Refrigeration Cycle Diagram

  54
• Pipe length and the elevation

  55
• 3-way Valve

  56
• Cycle Parts

  62
• Electronic Parts

  63
• Replacement Parts List

  74