LG A2UN186FA0 Manuals

Manuals and User Guides for LG A2UN186FA0. We have 1 LG A2UN186FA0 manual available for free PDF download: Service Manual

LG A2UN186FA0 Service Manual

LG A2UN186FA0 Service Manual (133 pages)

Inverter Multi Type Room Air Conditioner

Brand: LG | Category: Air Conditioner | Size: 9.59 MB

Table of Contents

Air Conditioner
1
Service Manual
1
Table of Contents
2
Functions
3
- Outdoor Unit
  4
- Power Relay Control
  4
- Comp. Freq. Control
  4
- Remote Controller
  5
Product Specifications
6
- Indoor Unit
  10
- Room Type Indoor Unit
  10
Dimensions
10
Wiring Diagram
15
- Outdoor Unit
  16
- A2-N186Fa0
  17
- A3-N216Fa0
  17
- A4-N306Fa0
  17
Refrigeration Cycle Diagram
17
Operation Details
18
- Defrost Control
  19
- Fuzzy Operation
  19
- Fuzzy Operation for Cooling
  19
- Fuzzy Operation for Dehumidification
  20
- Fuzzy Operation for Heating
  20
- Airflow Speed Selection
  20
- On-Timer Operation
  20
- Sleep Timer Operation
  21
- Chaos Swing Mode
  21
- Chaos Natural Wind Mode
  21
- Jet Cool Mode Operation
  21
- Forced Operation
  22
- Remote Control Operation Mode
  22
- Protection of the Evaporator Pipe from Frosting
  22
- Buzzer Sounding Operation
  22
- Soft-Dry Operation
  23
- Auto Swing Control
  23
- Time Delay Safety Control
  23
- Heating Mode Operation
  24
- Hot-Start Control
  24
- Airflow Direction Control
  26
- Time Delay Safety Control
  26
- Cooling or Heating Mode with Sleep Mode Auto Operation
  27
- Cooling Mode with the Sleep Mode
  27
- Heating Mode with the Sleep Mode
  27
- Auto Operation for Cooling
  28
- Auto Operation
  28
- Auto Operation for Soft Dry
  29
- Auto Operation for Heating
  29
- Natural Wind by CHAOS Logic
  30
- Setting CHAOS Natural Wind
  30
- Deice Control
  32
- Soft Dry Operation
  32
- Error Indicator
  34
Display Function
34
Self-Diagnosis Function
34
- Selection of the Best Location
  35
- Installation of Indoor, Outdoor Unit
  35
- Piping Length and the Elevation
  36
- Piping and Drainage of Indoor Unit
  37
- Preparation of Pipings
  37
- Flaring the Pipes
  37
- Piping Connection
  38
- Vacuum Drying
  38
- Flare Nut Fastening Torque
  38
- The Indoor Unit Installation
  39
- For Left Rear Piping
  40
- Connection of Pipings
  40
- Indoor Unit Installation
  41
- Connecting the Pipings to the Indoor Unit
  41
- Ceiling Opening Dimensions and Hanging Bolt Location
  43
- Good Example
  44
- Bad Example
  44
- Installation of Decorative Panel
  45
- Air Conditioner Unit
  45
- Decorative Panel
  45
- Piping Side
  45
- Open Panel Front
  46
- Drain Hose Junction
  46
- Cover Pipe and Cover Side Remove
  46
- Preparing Work for Installation
  46
- Sticking the Installation Guide Map and Fixing Indoor Unit
  47
- Connection of Piping Indoor
  48
- Panel Front Assembly
  50
- Before Installing, Prepare Installation Plates
  51
- Installation on the Ceiling
  51
- Front of View
  53
- Side of View
  53
- Install the Indoor Unit Onto Installation Plate
  56
- Installation of Mount Bracket
  57
- Installation on the Floor
  57
- Connecting the Pipes to the Indoor Unit
  58
- For the Right Side Piping
  58
- For the Bottom Side Piping
  58
- Connecting the Drain Hose
  58
- Connecting Pipings and the Cable to Outdoor Unit
  60
- Connecting the Pipings to the Outdoor Unit
  60
- Connecting Pipe Size
  60
- Connection of the Cable
  61
- Electrical Wiring
  63
- How to Insert Batteries
  64
- How to Mount Onto a Wall
  64
- Remote Controller Installation
  64
- Checking the Drainage and Pipe Forming
  65
- Remove the Grille from the Cabinet
  65
- Check the Drainage
  65
- Form the Pipings
  67
- Heat Insulation
  68
- Air Purging of the Pipings and Indoor Unit
  69
- Maximum Length of Pipe and Freon Extra Charge
  70
- Charge Amount Per 1M
  70
- Precautions in Test Run
  71
- Prepare Remote Controller
  71
- Evaluation of the Performance
  71
- Test Running
  71
- Name and Function-Remote Controller
  73
Operation
73
Disassembly of the Parts (Indoor Unit)
77
- To Remove the Evaporator
  78
- To Remove the Control Box
  78
- To Remove the Discharge Grille
  78
- To Remove the Motor Cover
  79
- To Remove the Cross-Flow Fan
  79
- Valve Service (3-Way)
  86
- Pumping down
  87
- Evacuation
  88
- Gas Charging
  89
- Trouble Analysis
  90
- Check Temperature and Pressure of Refrigeration Cycle
  90
Cycle Troubleshooting Guide
90
The Product Doesn’t Operate at All
91
Electronic Parts Troubleshooting Guide
91
Electronic Control Device
104
- Display ASSY
  108
- Top View
  108
- Sub P.w.b Assembly
  109
Schematic Diagram
111

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