LG LMU24CHV Manuals

Manuals and User Guides for LG LMU24CHV. We have 9 LG LMU24CHV manuals available for free PDF download: Installation Manual, Engineering Manual, Service Manual

LG LMU24CHV Installation Manual (513 pages)

OUTDOOR UNIT

Brand: LG | Category: Air Conditioner | Size: 70 MB

Safety Instructions
3
Table of Contents
7
Specifications
8
Electrical Data
11
R410A Refrigerant
12
General Installation Guidelines
13
Oceanside Installation Precautions
13
Rooftop Installations
14
Planning for Snow and Ice
14
Allowable Clearances
16
Platform Instructions
19
Branch Distribution Unit Installation
22
Piping Preparation
24
Piping Materials and Handling
26
Selecting Field-Supplied Copper Tubing
27
Liquid Line
30
Refrigerant Piping Connections
35
Y-Branch Kit
40
Flushing the Refrigerant Piping
41
Leak Test and Vacuum Procedures
42
Refrigerant Charge
45
Additional Charge
45
Charging the Refrigerant
47
Refrigerant Piping System Insulation
48
For Example
49
General Information
53
Power Wiring and Communications Cable Connections
55
General Instructions
58
Test Run
60
Installing the Remote Controller Batteries
60
DIP Switch Settings
61
Outdoor Unit DIP Switch Settings
61
Wiring Error Check
63
Reducing Power Consumption
63
Self Diagnosis Functions
66
Error Codes
67
Troubleshooting Using Error Codes
70
Cautions for Refrigerant Leaks
72
Installation Checklists
74
Multi F Refrigerant Charge Worksheet
78
Multi F Max Refrigerant Charge Worksheet
79
Proprietary Data Notice
82
Safety Instructions
83
Operation
86
Unit Nomenclature
88
Included Parts
90
General Data
91
R410A Refrigerant
91
Cross Flow Fan
95
Installation
96
Unpack and Inspect for Freight Damage
96
Location Selection
97
Required Clearances
98
Indoor Unit Connections
98
Drilling the Piping Hole in the Wall
99
Installation Plate
103
Left Side Piping
105
Right Side Piping
106
Flaring Procedure
108
Condensate Drain Hose Installation
115
Drain Hose Insulation
116
Refrigerant Piping System Insulation
117
Wiring
119
Controller Options
124
Wired Controller Installation
134
Wall-Mounted Sensor Installation
134
Final Installation Procedures
135
Air Filter Disassembly and Assembly
137
Troubleshooting
139
Troubleshooting Using Error Codes
139
Installation Checklist
141
Who to Call for Assistance
143
Proprietary Data Notice
146
Safety Instructions
147
Operation
150
Unit Nomenclature
152
Included Parts
154
General Data
155
R410A Refrigerant
155
Cross Flow Fan
159
Installation
160
Unpack and Inspect for Freight Damage
160
Location Selection
161
Required Clearances
162
Indoor Unit Connections
162
Drilling the Piping Hole in the Wall
163
Installation Plate
167
Left Side Piping
169
Right Side Piping
170
Flaring Procedure
172
Indoor Unit
179
Drain Hose Insulation
180
Refrigerant Piping System Insulation
181
Wiring
183
Controller Options
188
Wired Controller Installation
198
Wall-Mounted Sensor Installation
198
Final Installation Procedures
199
Air Filter Disassembly and Assembly
201
Troubleshooting
203
Troubleshooting Using Error Codes
203
Installation Checklist
205
Who to Call for Assistance
207
Proprietary Data Notice
210
Safety Instructions
211
Operation
214
Unit Nomenclature
216
Included Parts
218
General Data
219
R410A Refrigerant
219
Cross Flow Fan
223
Installation
224
Unpack and Inspect for Freight Damage
224
Location Selection
225
Required Clearances
226
Indoor Unit Connections
226
Drilling the Piping Hole in the Wall
227
Installation Plate
231
Left Side Piping
233
Right Side Piping
234
Flaring Procedure
236
Indoor Unit
243
Drain Hose Insulation
244
Refrigerant Piping System Insulation
245
Wiring
247
Controller Options
252
Wired Controller Installation
262
Wall-Mounted Sensor Installation
262
Final Installation Procedures
263
Air Filter Disassembly and Assembly
265
Troubleshooting
267
Troubleshooting Using Error Codes
267
Installation Checklist
269
Who to Call for Assistance
271
Proprietary Data Notice
274
Safety Instructions
275
Operation
278
Unit Nomenclature
280
General Data
283
R410A Refrigerant
283
Installation
288
Unpack and Inspect for Freight Damage
288
Location Selection
289
Required Clearances
290
Indoor Unit Connections
290
Installation Plate
295
Flaring Procedure
300
Indoor Unit
307
Refrigerant Piping System Insulation
309
Wiring
311
Final Installation Procedures
327
Air Filter Disassembly and Assembly
329
Troubleshooting
331
Troubleshooting Using Error Codes
331
Installation Checklist
333
Proprietary Data Notice
338
Safety Instructions
340
Installation
340
Operation
343
Nomenclature
344
General Data
345
Placement Considerations
354
Planning for Snow and Ice
354
Rooftop Installations
355
Oceanside Installation Precautions
355
Installing Outdoor Units Indoors
359
Specifications
364
LG Air Conditioner Technical Solution (LATS)
367
Device Connection Limitations
369
Refrigerant Safety Standards / Device Connection Limitations
369
Selecting Copper Piping
371
Copper Expansion and Contraction
372
Piping Handling
375
Refrigerant System Engineering
376
Pipe Supports
377
Pipe Sleeves at Penetrations
379
Underground Refrigerant Piping
379
Flaring and Brazing Procedures
380
Refrigerant Piping Insulation
381
Special Applications
389
Condensate Drain Piping
390
Installing the Insulation
393
General Information
394
Installation
398
Indoor Unit
406
Final Installation Procedures
408
Triple Evacuation Procedure
410
Refrigerant Charge
412
Cautions for Refrigerant Leaks
415
Test Run
417
PCB Display
424
Error Code Tables
425
Troubleshooting Using Error Codes
425
LG Monitoring View (LGMV) Diagnostic Software
428
Maintenance Recommendations
430
Installation Checklist
431
Brazing Practices
433
Safety Instructions
440
General Data
445
Single One High Ef Ciency Unit Speci Cations
446
Single One Standard Unit Speci Cations
447
Single One Extended Pipe Unit Speci Cations
448
R410A Refrigerant
453
General Installation Guidelines
454
Location Selection
454
Selecting the Best Location
454
Ambient Air Conditions
454
Oceanside Applications
455
Mounting Bolt Location
456
Required Clearances
457
Indoor Unit Clearance
457
Mounting of Indoor Unit Installation Plate
458
Mounting of Indoor Unit
463
Piping Preparation
464
Piping Preparation / Piping Materials and Handling
465
Refrigerant Piping System Insulation
466
No Pipe Size Substitutions
468
Piping Support, Elbow Usage
471
Pipe Sleeves at Penetrations
471
Refrigerant Piping System Layout
472
Refrigerant Piping Connections
473
Refrigerant Piping System Limitations
473
Connection Limitations
473
Installation Overview
475
Directional Pipe Formation
476
Drain Hose
477
Outdoor Unit Connections
478
Indoor Unit Connections
480
Indoor Unit Connections - Conduit Bracket Placement
481
Bundling and Cutting Line
482
Refrigerant Piping Insulation
483
Air Purging
486
Leak Test/Soap Method Check
487
Evacuation of Lines
488
Finishing up
488
Finishing the Job
488
Remote Controller
488
Pump Down, Cooling Only Mode
489
Pump down Procedure
489
Enabling Cooling Only Mode
489
Disabling Cooling Only Mode
489
Electrical Wiring
490
General Information and Safety Guidelines
490
Power Supply / Power Wiring Specifications
490
Power Iring Speci Cations and Best Practices
491
Indoor Unit Electrical Connections
493
Outdoor Unit Electrical Connections
498
Connecting Outdoor Unit Electrical Wiring
498
Self Diagnosis Functions
503
Error Codes
504
LG SIMS - Self Diagnosis Functions
505
Troubleshooting
507
Error Codes
507
Cautions for Refrigerant Leaks
510
Installation Checklist
511

LG LMU24CHV Installation Manual (565 pages)

OUTDOOR UNIT

Brand: LG | Category: Heat Pump | Size: 76 MB

Safety Instructions
3
Table of Contents
7
Specifications
8
Electrical Data
11
R410A Refrigerant
12
General Installation Guidelines
13
Oceanside Installation Precautions
13
Rooftop Installations
14
Planning for Snow and Ice
14
Allowable Clearances
16
Platform Instructions
19
Branch Distribution Unit Installation
22
Piping Preparation
24
Piping Materials and Handling
26
Selecting Field-Supplied Copper Tubing
27
Liquid Line
30
Refrigerant Piping Connections
35
Flushing the Refrigerant Piping
41
Leak Test and Vacuum Procedures
42
Refrigerant Charge
45
Additional Charge
45
Charging the Refrigerant
47
Refrigerant Piping Insulation
48
For Example
49
Power Wiring and Communications Cable Connections
55
General Instructions
58
Test Run
60
Installing the Remote Controller Batteries
60
DIP Switch Settings
61
Wiring Error Check
63
Reducing Power Consumption
63
Self Diagnosis Functions
66
Error Codes
67
Troubleshooting Using Error Codes
70
Installation Checklists
74
Installation-Refrigerant Piping
77
Safety Instructions
83
Operation
86
Unit Nomenclature
88
Included Parts
90
General Data
91
R410A Refrigerant
91
Cross Flow Fan
95
Installation
96
Unpack and Inspect for Freight Damage
96
Location Selection
97
Required Clearances
98
Indoor Unit Connections
98
Installation Plate
103
Flaring Procedure
108
Condensate Drain Hose Installation
115
Wiring
119
Controller Options
124
Wired Controller Installation
134
Final Installation Procedures
135
Air Filter Disassembly and Assembly
137
Troubleshooting
139
Troubleshooting Using Error Codes
139
Installation Checklist
141
Who to Call for Assistance
143
Safety Instructions
147
Operation
150
Unit Nomenclature
152
Included Parts
154
General Data
155
R410A Refrigerant
155
Cross Flow Fan
159
Installation
160
Unpack and Inspect for Freight Damage
160
Location Selection
161
Required Clearances
162
Indoor Unit Connections
162
Flaring Procedure
172
Condensate Drain Hose Installation
179
Wiring
183
Controller Options
188
Wired Controller Installation
198
Final Installation Procedures
199
Air Filter Disassembly and Assembly
201
Troubleshooting
203
Troubleshooting Using Error Codes
203
Installation Checklist
205
Who to Call for Assistance
207
Safety Instructions
211
Operation
214
Unit Nomenclature
216
Included Parts
218
General Data
219
R410A Refrigerant
219
Cross Flow Fan
223
Installation
224
Unpack and Inspect for Freight Damage
224
Location Selection
225
Required Clearances
226
Indoor Unit Connections
226
Flaring Procedure
236
Condensate Drain Hose Installation
243
Wiring
247
Controller Options
252
Wired Controller Installation
262
Final Installation Procedures
263
Air Filter Disassembly and Assembly
265
Troubleshooting
267
Troubleshooting Using Error Codes
267
Installation Checklist
269
Who to Call for Assistance
271
Safety Instructions
275
Operation
278
Unit Nomenclature
280
Included Parts
282
General Data
283
R410A Refrigerant
283
Cross Flow Fan
287
Installation
288
Unpack and Inspect for Freight Damage
288
Location Selection
289
Required Clearances
290
Indoor Unit Connections
290
Flaring Procedure
300
Condensate Drain Hose Installation
307
Wiring
311
Controller Options
316
Wired Controller Installation
326
Final Installation Procedures
327
Air Filter Disassembly and Assembly
329
Troubleshooting
331
Troubleshooting Using Error Codes
331
Installation Checklist
333
Who to Call for Assistance
335
Safety Instructions
339
Operation
342
Unit Nomenclature
344
Included Parts
346
General Data
347
R410A Refrigerant
347
Cross Flow Fan
351
Installation
352
Unpack and Inspect for Freight Damage
352
Location Selection
353
Required Clearances
354
Indoor Unit Connections
354
Flaring Procedure
364
Condensate Drain Hose Installation
371
Wiring
375
Controller Options
380
Wired Controller Installation
390
Final Installation Procedures
391
Air Filter Disassembly and Assembly
393
Troubleshooting
395
Troubleshooting Using Error Codes
395
Installation Checklist
397
Who to Call for Assistance
399
Safety Instructions
403
Operation
406
Unit Nomenclature
408
General Data
411
R410A Refrigerant
411
Installation
416
Unpack and Inspect for Freight Damage
416
Required Clearances
418
Indoor Unit Connections
418
Flaring Procedure
428
Condensate Drain Hose Installation
435
Wiring
439
Final Installation Procedures
455
Air Filter Disassembly and Assembly
457
Troubleshooting
459
Troubleshooting Using Error Codes
459
Installation Checklist
461
Safety Instructions
468
Installation
468
Safety Instructions
471
Nomenclature
472
General Data
473
Placement Considerations
482
Rooftop Installations
483
Installing Outdoor Units Indoors
487
Specifications
492
LG Air Conditioner Technical Solution (LATS)
495
Refrigerant Safety Standards / Device Connection Limitations
497
Selecting Copper Piping
499
Copper Expansion and Contraction
500
Piping Handling
503
Refrigerant System Engineering
504
Pipe Supports
505
Flaring and Brazing Procedures
508
Brazing Procedure
509
Refrigerant Piping Insulation
509
Special Applications
517
Condensate Drain Piping
518
Installing the Insulation
521
General Information
522
Installation
526
Final Installation Procedures
536
Refrigerant Charge
540
Cautions for Refrigerant Leaks
543
Test Run
545
Error Code Tables
553
Error Codes
553
LG Monitoring View (LGMV) Diagnostic Software
556
Maintenance Recommendations
558
Installation Checklist
559

LG LMU24CHV Installation Manual (361 pages)

Multi-Zone Heat Pump Systems

Brand: LG | Category: Heat Pump | Size: 51 MB

Section 1

3
- Table of Contents
  3
- Safety Instructions
  
  4
- Nomenclature
  
  8
- General Data
  
  9
- Refrigerant Piping Insulation
  
  47
- Final Installation Procedures
  
  76
  - Refrigerant Charge
    82
  - Test Run
    85
- LG Monitoring View (LGMV) Diagnostic Software
  
  93
- LG Smart Inverter Monitoring System (SIMS)
  
  95
- Maintenance Recommendations
  
  97
Section 2

111
- 0Xowl)0Xowl)0$;2Xwgrru8Qlw6Shflàfdwlrqv
  115
  - Electrical Data
    115
  - R410A Refrigerant
    116
  - General Installation Guidelines
    117
    
    Oceanside Installation Precautions
    117
    
    Rooftop Installations
    118
    
    Planning for Snow and Ice
    118
  - Piping Preparation
    128
  - Piping Materials and Handling
    130
  - Refrigerant Piping Connections
    139
  - Flushing the Refrigerant Piping
    145
  - Leak Test and Vacuum Procedures
    146
  - Refrigerant Charge
    149
  - Refrigerant Piping Insulation
    152
    
    Power Wiring and Communications Cable Connections
    159
    
    Test Run
    164
    
    DIP Switch Settings
    165
    
    Self Diagnosis Functions
    170
  - Installation Checklists
    178
Section 3

187
- Safety Instructions
  
  188
- Introduction
  
  193
- Unit Nomenclature
  
  195
- General Data
  
  196
  - Specifications
    197
  - Typical Multi F/Multi F Max Systems
    199
  - Refrigerant Piping Requirements
    201
- General Installation Guidelines
  
  202
  - Location Selection
    202
  - Install Ceiling Cassette
    205
  - Installing Drain System
    206
  - Refrigerant Piping
    208
  - Piping Materials and Handling
    215
- Piping Connections
  
  216
  - Piping Preparation
    216
  - IDU to ODU
    217
  - Piping Insulation
    221
- Electrical Wiring
  
  223
- Troubleshooting
  
  235
  - Error Codes
    235
- Cautions for Refrigerant Leaks
  
  237
  - Refrigerant Leaks
    237
- Installation Checklist
  
  238
- Multi F Refrigerant Charge Worksheet
  
  242
- Multi F MAX Refrigerant Charge Worksheet
  
  243
Section 4

248
- Safety Instructions
  
  249
- Introduction
  
  254
- Unit Nomenclature
  
  256
- General Data
  
  257
  - Specifications
    258
  - Typical Multi F/Multi F Max Systems
    260
  - Refrigerant Piping Requirements
    262
- General Installation Guidelines
  
  263
  - Location Selection
    263
  - Install Ceiling Cassette
    266
  - Installing Drain System
    267
  - Refrigerant Piping
    269
  - Piping Materials and Handling
    276
- Piping Connections
  
  277
  - Piping Preparation
    277
  - IDU to ODU
    278
  - Piping Insulation
    282
- Electrical Wiring
  
  283
- Troubleshooting
  
  296
  - Error Codes
    296
- Cautions for Refrigerant Leaks
  
  298
  - Refrigerant Leaks
    298
- Installation Checklist
  
  299
- Multi F Refrigerant Charge Worksheet
  
  303
- Multi F MAX Refrigerant Charge Worksheet
  
  304
Flex Multi Split Installation Instructions

309
- Installation Parts Provided
  
  310
- Safety Precautions
  
  311
- Installation of Indoor, Outdoor Unit
  
  314
- Installation
  
  320
  - Connecting the Piping
    320
  - How to Fix
    324
  - Wiring Connection
    325
  - Conduit Connection
    325
  - Ceiling Dimension and Hanging Bolt Location
    326
  - How to Fix
    327
  - Wiring Connection
    327
  - Conduit Connection
    327
  - Installation of Wired Remote Controller(Optional)
    328
  - Installation of Decorative Panel
    330
  - Drain Piping
    332
- Flaring Work and Connection of Piping
  
  335
  - Flaring Work
    335
  - Connection of Piping - Outdoor
    336
  - Installation
    339
  - Installation of the Main Unit
    340
- Connecting the Cable between Indoor Unit, Distributor Unit and Outdoor Unit
  
  341
- Checking the Drainage, Insulating the Pipe and Special Piping Applications
  
  346
  - Checking the Drainage
    346
  - Insulating the Pipe and Special Piping Applications
    346
- Air Purging and Evacuation
  
  347
  - Leak Checking
    347
  - Evacuation
    348
- Charging
  
  349
- Installation PI485
  
  351
- Test Running
  
  352
- Function
  
  353
  - Dip S/W Setting
    353
  - Forced Cooling Operation
    354
  - Wiring Error Check
    355
  - Saving Power Consumption
    355
  - Night Quiet Mode
    356
  - Mode Lock
    357
  - Pcb Display(18/24K Model Only)
    358
- Combination Indoor Units
  
  359

LG LMU24CHV Engineering Manual (392 pages)

Multi-Zone Heat Pump Systems 1.5 to 4.5 Tons

Brand: LG | Category: Heat Pump | Size: 17 MB

Table of Contents
3
About LG Electronics, Inc

4
Multi-Zone Systems

4
Unit Nomenclature

6
Outdoor Unit Overview

7
Indoor Unit Overview

8
Controls and Options Overview

9
- Controls and Options Overview
  13
Multi F Outdoor Unit Product Data

15
- Product Features and Benefits
  15
- Mechanical Specifications
  15
- General Data
  15
- Dimensions
  15
- Rated Cooling Combination Tables
  15
- Rated Heating Combination Tables
  15
- Cooling Capacity Tables
  15
- Heating Capacity Tables
  15
- Electrical Data
  279
- Acoustic Data
  279
- Refrigerant Flow Diagrams
  280
  - Refrigerant Flow Diagrams
    282
  - Wiring Diagrams
    283
  - Wiring Diagrams
    285
- Operation Range
  286
Multi F MAX Outdoor Unit Product Data

287
- Product Features and Benefits
  287
- Mechanical Specifications
  287
- General Data
  287
- Dimensions
  287
- Rated Cooling Combination Tables
  287
- Rated Heating Combination Tables
  287
- Cooling Capacity Tables
  287
- Heating Capacity Tables
  321
- Electrical Data
  327
- Acoustic Data
  327
- Refrigerant Flow Diagrams
  328
- Wiring Diagrams
  329
- Operation Range
  330
Multi F MAX Branch Distribution Unit Product Data

331
- Mechanical Specifications
  331
- General Data
  334
- Dimensions
  335
- Refrigerant Flow Diagram
  336
- Wiring Diagram
  337
- Y-Branch Accessory
  338
- Branch Distribution Unit Orientation
  339
Application Guidelines

341
- Equipment Selection Procedure
  342
- Building Ventilation Design Guide
  348
- Placement Considerations
  353
- Application Guidelines
  358
Refrigerant Piping Design & Layout Best Practices

359
- Design Guideline Summary
  359
- Creating a Balanced / Quality Piping System
  359
- Manual Layout Procedure
  359
- LG Engineered Multi F MAX Y-Branch Kits
  359
- Refrigerant Charge
  364
- Refrigerant Charge
  365
- Selecting Field-Supplied Copper Tubing
  366
- Refrigerant Piping System Layout
  368
- Piping Insulation
  376
- Condensate Drain Piping
  377
- Cut Sheet
  379
Wiring Connections

381
- General Information
  381
- Power Wiring and Communications Cable Details
  381
- Indoor Unit Group Control
  381
- Wiring Connections
  390
Acronyms

391

LG LMU24CHV Service Manual (113 pages)

LG Multi-Inverter Type Air Conditioner SVC MANUAL(General)

Brand: LG | Category: Air Conditioner | Size: 10 MB

Table of Contents

2
- Part 1 General Information
  3
  - Safety Precautions
    4
  - Model Line up
    7
  - Outdoor Units
    8
  - Nomenclature
    10
Part 2 Functions & Controls

12
- 1 List of Functions & Accessory
  
  13
- 2 Air Flow
  
  15
  - Auto Swing (Left & Right)
    15
  - Auto Swing (up & Down)
    15
  - Chaos Swing (Up/Down)
    15
  - Air Flow Step
    16
  - Chaos Wind (Auto Wind)
    16
  - Jet Cool Mode Operation
    16
  - Swirl Wind Swing
    16
- 3 Air Purifying
  
  17
  - PLASMA Air Purifying System
    17
- 4 Installation Functions
  
  18
  - External Static Pressure) Setting
    18
- 5 Reliability
  
  19
  - Hot Start
    19
  - Self-Diagnosis Function
    19
  - Soft Dry Operation
    19
- 6 Convenience Functions & Controls
  
  20
  - Cooling & Heating Operations
    20
  - Auto Cleaning Operation
    21
  - Auto Operation (Artificial Intelligence)
    21
  - Auto Restart Operation
    22
  - Child Lock Function
    23
  - Forced Operation
    23
  - Group Control
    24
  - Sleep Timer Operation
    25
  - Timer(On/Off)
    25
  - Weekly Program
    25
  - Two Thermistor Control
    26
- 7 Special Function & KIT
  
  27
  - Low Ambient Control
    27
  - Space Control
    27
  - Auto Elevation Grille
    27
  - Defrost Control(Heating)
    29
Part 3. Basic Control

30
- Part 3 Basic Control
  30
- 1 Normal Operation
  
  31
  - Compressor Control
    31
- 3 EEV( Electronic Expansion Valve) Control
  
  31
- 4 Oil Return Control
  
  32
- 5 Defrost Control
  
  32
- 6 Protection Control
  
  33
  - High Pressure Protection Control
    33
  - Low Pressure Protection Control
    33
  - Discharge Temperature Control
    33
  - Input Current Control
    33
  - Part 4 Test Run
    34
    
    Check before Test Run
    35
    
    Test Run Flow Chart
    36
    
    Test Running
    37
    
    Ceiling Cassette Type
    38
Part 5 Trouble Shooting Guide

39
- 1 Self-Diagnosis Function
  
  40
  - Error Indicator (Indoor)
    40
  - Error Indicator (Outdoor)
    41
- 2 Pump down
  
  42
- 3 Evacuation
  
  43
- 4 Gas Charging
  
  44
- 5 Cycle Part
  
  45
- 6 Electronic Parts
  
  46

LG LMU24CHV Installation Manual (104 pages)

Outdoor Unit

Brand: LG | Category: Heat Pump | Size: 15 MB

Table of Contents
3
Safety Instructions
4
Nomenclature
8
General Data
9
Transporting / Lifting
19
Placement Considerations
20
Mounting / Anchoring
31
General Refrigerant Piping System Information
33
LG Air Conditioner Technical Solution (LATS)
33
Refrigerant Safety Standards / Device Connection Limitations
35
Selecting Copper Piping
37
Copper Expansion and Contraction
38
Piping Handling
41
Refrigerant System Engineering
42
Flaring and Brazing Procedures
46
Refrigerant Piping Insulation
47
Refrigerant Piping System Installation
48
Electrical System Installation
60
General Information
60
Installation
65
Final Installation Procedures
76
Triple Leak / Pressure Test
76
Deep Evacuation Test
77
Triple Evacuation Test
78
Refrigerant Charge
82
Cautions for Refrigerant Leaks
83
Test Run
85
DIP Switch Settings for Optional Modes
86
Error Codes
91
LG Monitoring View (LGMV) Diagnostic Software
93
LG Smart Inverter Monitoring System (SIMS)
95
Maintenance Recommendations
97
Installation Checklists and Worksheets
98

LG LMU24CHV Installation Manual (79 pages)

Multi-Zone Heat Pump Systems OUTDOOR UNIT

Brand: LG | Category: Air Conditioner | Size: 6 MB

Safety Instructions
3
- Safety Instructions
  6
- Table of Contents
  7
- Specifications
  8
Electrical Data
11
R410A Refrigerant
12
General Installation Guidelines
13
Piping Preparation
24
Piping Preparation
25
Piping Materials and Handling
26
General Installation Guidelines
34
Refrigerant Piping Connections
35
Refrigerant Piping Connections
40
Flushing the Refrigerant Piping
41
Leak Test and Vacuum Procedures
42
Additional Charge
45
Refrigerant Charge
45
Refrigerant Piping Insulation
48
- Refrigerant Piping Insulation
  52
- General Information
  53
- Power Wiring and Communications Cable Connections
  55
- Test Run
  59
- DIP Switch Settings
  60
- Wiring Error Check
  62
- Self Diagnosis Functions
  65
  - Troubleshooting
    65
  - Error Codes
    69
Electrical Wiring
53
Caution for Refrigerant Leakage
71
Refrigerant Piping
73
Installation Checklists
73

LG LMU24CHV Installation Manual (80 pages)

OUTDOOR UNIT, Multi-Zone Heat Pump Systems 1.5 to 5 Tons

Brand: LG | Category: Air Conditioner | Size: 11 MB

Safety Instructions
3
Table of Contents
7
Electrical Data
11
R410A Refrigerant
12
General Installation Guidelines
13
Oceanside Installation Precautions
13
Rooftop Installations
14
Planning for Snow and Ice
14
Allowable Clearances
16
Platform Instructions
19
Branch Distribution Unit Installation
22
Piping Preparation
24
Piping Materials and Handling
26
Refrigerant Piping Connections
35
Flushing the Refrigerant Piping
41
Leak Test and Vacuum Procedures
42
Refrigerant Charge
45
Refrigerant Piping Insulation
48
Electrical Wiring
53
Power Wiring and Communications Cable Connections
55
Test Run
60
DIP Switch Settings
61
Self Diagnosis Functions
66
Caution for Refrigerant Leakage
72
Installation Checklists
74

LG LMU24CHV Service Manual (9 pages)

Multi Air Conditioner

Brand: LG | Category: Air Conditioner | Size: 1 MB

LG Categories

Cell Phone

Monitor LED TV

Washer

Air Conditioner

More LG Manuals

LG LMU24CHV Manuals

Table of Contents

Table of Contents

Table of Contents

Section 1

Safety Instructions

Nomenclature

General Data

Refrigerant Piping Insulation

Final Installation Procedures

LG Monitoring View (LGMV) Diagnostic Software

LG Smart Inverter Monitoring System (SIMS)

Maintenance Recommendations

Section 2

Section 3

Safety Instructions

Introduction

Unit Nomenclature

General Data

General Installation Guidelines

Piping Connections

Electrical Wiring

Troubleshooting

Cautions for Refrigerant Leaks

Installation Checklist

Multi F Refrigerant Charge Worksheet

Multi F MAX Refrigerant Charge Worksheet

Section 4

Safety Instructions

Introduction

Unit Nomenclature

General Data

General Installation Guidelines

Piping Connections

Electrical Wiring

Troubleshooting

Cautions for Refrigerant Leaks

Installation Checklist

Multi F Refrigerant Charge Worksheet

Multi F MAX Refrigerant Charge Worksheet

Flex Multi Split Installation Instructions

Installation Parts Provided

Safety Precautions

Installation of Indoor, Outdoor Unit

Installation

Flaring Work and Connection of Piping

Connecting the Cable between Indoor Unit, Distributor Unit and Outdoor Unit

Checking the Drainage, Insulating the Pipe and Special Piping Applications

Air Purging and Evacuation

Charging

Installation PI485

Test Running

Function

Combination Indoor Units

Table of Contents

About LG Electronics, Inc

Multi-Zone Systems

Unit Nomenclature

Outdoor Unit Overview

Indoor Unit Overview

Controls and Options Overview

Multi F Outdoor Unit Product Data

Multi F MAX Outdoor Unit Product Data

Multi F MAX Branch Distribution Unit Product Data

Application Guidelines

Refrigerant Piping Design & Layout Best Practices

Wiring Connections

Acronyms

Table of Contents

Table of Contents

Part 2 Functions & Controls

1 List of Functions & Accessory

2 Air Flow

3 Air Purifying

4 Installation Functions

5 Reliability

6 Convenience Functions & Controls

7 Special Function & KIT

Part 3. Basic Control

1 Normal Operation