LG LMU360HHV Manuals

Manuals and User Guides for LG LMU360HHV. We have 2 LG LMU360HHV manuals available for free PDF download: Installation Manual, Service Manual

LG LMU360HHV Installation Manual

LG LMU360HHV Installation Manual (103 pages)

Multi-Zone Heat Pump Systems with LGRED 1.5 to 3.5 Tons

Brand: LG | Category: Heat Pump | Size: 14.82 MB

Table of Contents

Table of Contents
3
Safety Instructions

4
- Table of Symbols
  4
- Installation
  4
- Wiring
  6
- Operation
  7
- Unit Nomenclature
  8
- Multi-Zone Systems — Indoor Units and Outdoor Units
  8
- Branch Distribution Units
  8
General Data

9
Installation

17
- Placement Considerations
  18
- Mounting / Anchoring
  28
General Refrigerant Piping System Information

31
- Example of a LATS Tree Diagram
  32
- LATS Generates a Complete Project Report
  32
- Proper Design to Install Procedure
  32
- Device Connection Limitations
  33
- Example of a Multi F with LGRED System
  33
- Refrigerant Safety Standards
  33
- Using Refrigerant Components
  34
- ACR Copper Tubing Dimensions and Physical Characteristics
  35
- ACR Rated Piping Wall Thicknesses
  35
- For Multi-Zone Split Systems
  35
- Selecting Field-Supplied Copper Piping
  35
- Copper Expansion and Contraction
  36
  - General Example:
    36
  - Liquid Line
    36
  - Vapor Line
    36
  - To Find the Anticipated Expansion Value
    37
  - Coiled Expansion Loops and Offsets (Plan View)
    38
- Piping Handling
  39
- Refrigerant System Engineering
  40
  - Obstacles
    41
  - Pipe Support at Header Fitting
    41
  - Pipe Support at Y-Branch Fitting
    41
  - Pipe Supports
    41
  - Examples of Supports
    42
  - O-Ring Band Support with an Insulated Pipe
    42
  - Two-Point Down-Stop Support
    42
  - U-Bolt Support with an Insulated Pipe
    42
  - Pipe Sleeve Options
    43
  - Pipe Sleeves at Penetrations
    43
  - Underground Refrigerant Piping
    43
  - Utility Conduit Sizes
    43
- Flaring and Brazing Procedures
  44
  - Flaring Procedure
    44
  - Flaring the Pipe End
    44
  - Remove the Burrs
    44
  - Brazing Procedure
    45
  - Loosening the Flare Nuts
    45
  - Tightening the Flare Nuts
    45
Refrigerant Piping Insulation

45
Refrigerant Piping System Installation

46
Electrical System Installation

58
Final Installation Procedures

73
LG Monitoring View (LGMV) Diagnostic Software

91
- LGMV Monitoring Screen
  91
- LGMV Display
  91
- LGMV Cycleview Screen
  92
- LGMV Graph Screen
  92
- LG SIMS App and WLAN Module
  93
- Example of a SIMS WLAN Module Used with a Typical DFS System
  93
- Sims App Main Info Screen
  93
LG Smart Inverter Monitoring System (SIMS)

93
- SIMS App Screens
  94
Maintenance Recommendations

95
Installation Checklists and Worksheets

96

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LG LMU360HHV Service Manual

LG LMU360HHV Service Manual (93 pages)

Brand: LG | Category: Air Conditioner | Size: 15.46 MB

Table of Contents

Table of Contents

2
- Part 1 General Information
  3
- Safety Precautions
  4
- Model Line up
  7
- Nomenclature
  10
Part 2 Functions & Controls

14
- List of Functions & Accessory
  15
- Air Flow
  17
- Auto Swing (Left & Right)
  17
- Auto Swing (up & Down)
  17
- Chaos Swing (Up/Down)
  17
- Air Flow Step
  18
- Chaos Wind (Auto Wind)
  18
- Jet Cool Mode Operation
  18
- Swirl Wind Swing
  18
- Air Purifying
  19
- PLASMA Air Purifying System
  19
- External Static Pressure) Setting
  20
- Installation Functions
  20
- Hot Start
  21
- Reliability
  21
- Self-Diagnosis Function
  21
- Soft Dry Operation
  21
- Convenience Functions & Controls
  22
- Cooling & Heating Operations
  22
- Auto Cleaning Operation
  23
- Auto Operation (Artificial Intelligence)
  23
- Auto Restart Opeartion
  24
- Child Lock Function
  25
- Forced Operation
  25
- Group Control
  26
- Sleep Timer Operation
  27
- Timer(On/Off)
  27
- Weekly Program
  27
- Two Thermistor Control
  28
- Auto Elevation Grille
  29
- Low Ambient Control
  29
- Space Control
  29
- Special Function & KIT
  29
- Defrost Control(Heating)
  31
Part 3. Basic Control

32
- Part 3 Basic Control
  32
- Compressor Control
  33
- EEV( Electronic Expansion Valve) Control
  33
- Normal Operation
  33
- Defrost Control
  34
- Oil Return Control
  34
- Discharge Temperature Control
  35
- High Pressure Protection Control
  35
- Input Current Control
  35
- Low Pressure Protection Control
  35
- Protection Control
  35
- Part 4 Test Run
  36
- Check before Test Run
  37
- Test Run Flow Chart
  38
- Test Runing
  39
Part 5. Trouble Shooting

41
- Part 5 Trouble Shooting Guide
  41
- Error Indicator (Indoor)
  42
- Self-Diagnosis Function
  42
- Error Indicator (Outdoor)
  43
- Pump down
  44
- Evacuation
  45
- Gas Charging
  46
- Cycle Part
  47
- Electronic Parts
  48
- The Product Doesn T Operate at All
  48
- The Compressor/Outdoor Fan Are Don't Operate
  49
- The Product Doesn't Operate with the Remote Controller
  49
- When Indoor Fan Does Not Operate
  51
- When the Louver Does Not Operate
  52
- Troubleshooting Indoor Error
  53
- Troubleshooting Outdoor Error
  59

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