LG AUUH728C Manuals

Manuals and User Guides for LG AUUH728C. We have 1 LG AUUH728C manual available for free PDF download: Service Manual

LG AUUH728C Service Manual

LG AUUH728C Service Manual (174 pages)

indoor unit Ceiling Cassette-4Way Ceiling & Floor(Convertible) Ceiling Concealed Duct outdoor

Brand: LG | Category: Air Conditioner | Size: 12.36 MB

Table of Contents

Air Conditioner
1
Table of Contents
2
Model Number Nomenclature
3
Safety Precautions
4
Model Names
11
External Appearance
12
Dimensions
13
Service Manual
17
Product Specifications
21
Combination Table
25
Installation
26
- Ceiling Opening Dimensions and Hanging Bolt Location
  27
- Wiring Connection
  28
- Installation of Decoration Panel
  29
- Indoor Unit Drain Piping
  30
- Installation Parts Provided
  32
- Selection of the Best Location
  33
- Required Tools
  37
- Checking the Drainage
  40
- Preparation of Piping
  43
- Cut the Pipes and the Cable
  43
- Burrs Removal
  43
- Putting Nut on
  43
- Flaring Work
  43
- How to Insert Batteries
  44
- Individual Installation
  45
- Collective Installation and Continuous Installation
  47
Operation
61
- Duct Type
  67
- Two Thermistor System
  72
Control Devices and Function
76
- Main Pcb
  77
- Test Run Method
  80
- Rotary Switch
  82
- System Control
  87
- System Configuration
  88
- Main Specifications
  88
- Control System
  88
Schematic Diagram
89
Outdoor Unit
98
Piping Diagrams
100
Troubleshooting Guide
105
(3-Way) Valve
126
- Pumping down
  127
- Gas Charging
  129
Function
130
- Heating Mode Operation
  131
- Cooling Mode Operation
  132
- Outdoor Units
  138
- Basic Control
  138
- Normal Operation
  138
- Compressor Control
  138
- Eev Control
  140
- Fan Control
  141
- Special Control
  143
- Defrost Control
  143
- Protection Control
  145
- Discharge Temperature Control
  145
Exploded View & Replacement Parts List
147

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