LG ARNU42GM2A4 Ceiling Concealed AC Manuals

Manuals and User Guides for LG ARNU42GM2A4 Ceiling Concealed AC. We have 5 LG ARNU42GM2A4 Ceiling Concealed AC manuals available for free PDF download: Engineering Product Data Book, Svc Manual, Owner's Manual, Installation Manual

LG ARNU42GM2A4 Engineering Product Data Book (521 pages)

Brand: LG | Category: Air Conditioner | Size: 71.02 MB

Indoor Unit
2
General Information
5
Model Names
6
External Appearance
7
List of Functions
13
Specifications
14
Piping Diagrams
20
Wiring Diagrams
21
Cooling Capacity
22
Heating Capacity
24
Electric Characteristics
29
Sound Pressure Levels
30
Sound Power Levels
31
Ceiling Opening Dimensions and Hanging Bolt Location
33
Wiring Connection
34
Installation of Decoration Panel(Grille Type)
36
Indoor Unit Drain Piping
37
Wired Remote Controller Installation
38
Indoor Unit
40
Specifications
42
Piping Diagrams
45
Wiring Diagrams
46
Cooling Capacity
47
Heating Capacity
49
Electric Characteristics
53
Sound Pressure Levels
54
Sound Power Levels
55
Required Parts
56
Required Tools
56
Installation of Decoration Panel
59
Indoor Unit Drain Piping
60
Drain Test
60
Wired Remote Controller Installation
61
Indoor Unit
63
Specifications
65
Piping Diagrams
75
Wiring Diagrams
76
Capacity Tables
78
Heating Capacity
83
Sound Pressure Levels
95
Sound Power Levels
98
Installation
100
Required Parts
100
Required Tools
100
Installation of Decoration Panel
105
Indoor Unit Drain Piping
106
Drain Test
106
Wired Remote Controller Installation
107
Ceiling Cassette 4-Way
109
Specifications
111
Piping Diagrams
115
Wiring Diagrams
116
Cooling Capacity
117
Heating Capacity
119
Electric Characteristics
123
Sound Pressure Levels
124
Sound Power Levels
126
Required Parts
127
Required Tools
127
Ceiling Opening Dimensions and Hanging Bolt Location
128
Wiring Connection
130
Indoor Unit Drain Piping
132
Drain Test
132
Wired Remote Controller Installation
133
Indoor Unit
135
List of Functions
136
Specifications
137
Piping Diagrams
143
Wiring Diagrams
145
Capacity Tables
148
Heating Capacity
151
Fan Performance
155
Electric Characteristics
157
Sound Levels
158
Installation
165
Ceiling Dimension and Hanging Bolt Location
166
Connecting Cables between Indoor Unit and Outdoor Unit
168
Clamping of Cables
168
Checking the Drainage
169
Indoor Unit Drain Piping
170
Drain Test
170
Wired Remote Controller Installation
172
List of Functions
175
Specifications
176
Piping Diagrams
183
Wiring Diagrams
185
Cooling Capacity
188
Heating Capacity
192
Electric Characteristics
200
Sound Pressure Level
201
Required Parts
203
Required Tools
203
Selection of the Best Location
203
Connecting Cables between Indoor Unit and Outdoor Unit
205
Clamping of Cables
205
Checking the Drainage
206
Indoor Unit Drain Piping
207
Drain Test
207
Wired Remote Controller Installation
209
List of Functions
212
Specifications
213
Piping Diagrams
220
Wiring Diagrams
221
Cooling Capacity
223
Heating Capacity
227
Fan Performance
231
Electric Characteristics
237
Sound Levels
238
Sound Power Levels
245
Required Parts
247
Required Tools
247
Selection of the Best Location
247
Ceiling Dimension and Hanging Bolt Location
248
Installation
249
Clamping of Cables
249
Checking the Drainage
250
Indoor Unit Drain Piping
251
Drain Test
251
Wired Remote Controller Installation
253
List of Functions
256
Specifications
257
Piping Diagrams
261
Wiring Diagrams
262
Cooling Capacity
264
Heating Capacity
267
Fan Performance
270
Electric Characteristics
275
Sound Levels
276
Sound Power Levels
280
Selection of the Best Location
283
Ceiling Dimension and Hanging Bolt Location
284
Indoor Unit Installation
285
Installation
286
Clamping of Cables
286
Checking the Drainage
286
Indoor Unit Drain Piping
287
Drain Test
287
Wired Remote Controller Installation
289
Indoor Unit
291
Specification
293
Piping Diagrams
296
Wiring Diagrams
297
Cooling Capacity
298
Heating Capacity
300
Fan Performance
302
Electric Characteristics
305
Sound Pressure Levels
306
Sound Power Levels
308
Required Parts
309
Required Tools
309
Selection of the Best Location
310
Ceiling Dimension and Hanging Bolt Location
311
Connecting Cables
312
Clamping of Cables
312
Part Name and Functions
313
Insulation, Others
314
Drain Piping
315
Drain Test
315
Wired Remote Controller Installation
317
Indoor Unit
319
Floor Standing
319
List of Functions
320
Specification
321
Piping Diagrams
327
Wiring Diagrams
328
Cooling Capacity
329
Heating Capacity
331
Electric Characteristics
336
Sound Pressure Levels
337
Sound Power Levels
339
Selection of the Best Location
341
Service Space
341
Drain Piping Work
343
How to Connect Wirings
343
Wiring Connection
344
Wired Remote Controller Installation
345
Standard Accessories
346
List of Functions
348
Specifications
349
Sound Levels
360
Sound Power Levels
361
Operation Details
362
Operation Range
362
Usage Limitations
362
Installation
363
The Control System
366
Selection of the Best Location
367
Top View
367
Front View
367
Indoor Unit Installation
369
Check the Drainage
371
List of Functions
376
Specifications
377
Piping Diagrams
384
Wiring Diagrams
385
Cooling Capacity
387
Heating Capacity
390
Electric Characteristics
397
Sound Pressure Levels
398
Sound Power Levels
400
Installation Parts Provided
402
Required Parts
402
Required Tools
402
Selection of the Best Location
403
Fixing Installation Plate
403
Preparing Work for Installation
404
Installation of Indoor Unit
406
Connecting the Installation Pipe and Drain Hose to the Indoor Unit
406
Connecting the Cables
407
Wrap the Insulation Material Around the Connecting Portion
407
Wired Remote Controller Installation
410
Standard Accessories
411
ARTCOOL (Mirror)
412
List of Functions
413
Specifications
414
Piping Diagrams
419
Wiring Diagrams
420
Cooling Capacity
421
Heating Capacity
424
Electric Characteristics
430
Sound Pressure Levels
431
Sound Power Levels
433
Required Parts
435
Required Tools
435
Selection of the Best Location
436
Connecting the Installation Pipe and Drain Hose to the Indoor Unit
438
Wrap the Insulation Material Around the Connecting Portion
439
Wired Remote Controller Installation
442
Standard Accessories
443
Indoor Unit
444
ARTCOOL (Gallery)
444
List of Functions
445
Specifications
446
Piping Diagrams
448
Wiring Diagrams
449
Capacity Tables
450
Cooling Capacity
450
Heating Capacity
451
Air Velocity and Temperature Distribution
452
Sound Power Levels
455
Installation
456
Selection of the Best Location
456
Preparing Work for Installation
457
Drain Hose Junction
457
Fixing Indoor Unit
458
Connecting the Piping
459
Drain Piping
460
Panel Front Assembly
461
Connect the Cable to the Indoor Unit
462
Wired Remote Controller Installation
463
Standard Accessories
464
Indoor Unit
465
Specification
467
Piping Diagrams
470
Wiring Diagrams
471
Capacity Tables
473
Heating Capacity
474
Sound Levels
479
Sound Power Levels
480
Refrigerant Piping
483
Indoor Unit
492
Specifications
494
Capacity Tables
499
Heating Capacity
500
Sound Levels
503
Dip Switch Setting of Indoor Unit PCB
506
Group Control
507
Remote Control
510
Master/Slave Setting
512
Installer Setting Code Table
513

LG ARNU42GM2A4 Svc Manual (91 pages)

Brand: LG | Category: Air Conditioner | Size: 14.58 MB

Table of Contents

2
- Safety Precautions
  3
Part 1 General Information

7
- 1 Model Names
  
  8
  - Indoor Unit
    8
  - Multi V M
    8
- 2 External Appearance
  
  9
  - Indoor Unit
    9
  - Multi V M
    10
- 3 Nomenclature
  
  11
  - Indoor Unit
    11
  - Multi V M
    11
  - Part 2 MULTI V M
    12
Function

14
- 1 Basic Control
  
  15
  - Compressor Control
    15
  - Normal Operation
    15
  - Master and Slave Unit's EEV Control
    16
- 2 Special Control
  
  17
  - Oil Return Control
    17
  - Defrost Control
    19
  - Self-Diagnosis Function
    19
    
    Stop Operation
    20
- 3 Protection Control
  
  21
  - Pressure Protection Control
    21
  - Discharge Temperature Control
    22
  - Inverter Protection Control
    22
  - Phase Detection
    22
  - Pressure Switch
    22
- 4 Other Control
  
  23
  - Initial Setup
    23
  - Pump down
    26
  - Night Low Noise Function
    27
  - Vacuum Mode
    28
  - Static Pressure Compensation Mode
    28
  - Cool & Heat Selector
    29
  - Cycle Data View
    30
  - Refrigerant Noise Reduction Mode
    31
  - Part 3 PCB Setting and Test Run
    32
  - Part 4 Trouble Shooting Guide
    37
Trouble Shooting Guide

38
- 1 The Phenomena from Main Component Failure
  
  39
- 2 Checking Method for Key Components
  
  40
  - Compressor
    40
  - Fan Motor
    41
  - Electronic Expansion Valve
    42
  - Phase Bridge Diode Checking Method
    45
  - Inverter IPM Checking Method
    46
  - Pressure Sensor(High/Low Pressure Sensor)
    47
  - Outdoor Fan
    47
  - Way Valve
    48
  - Temperature Sensor
    48

LG ARNU42GM2A4 Owner's Manual (27 pages)

Brand: LG | Category: Air Conditioner | Size: 0.95 MB

Table of Contents
2
Safety Instructions
4
Read All Instructions before Use
4
Safety Messages
4
Notes for Flammable Refrigerant
5
Warning Instructions
5
Technical Safety
5
Installation
6
Operation
8
Maintenance
9
Refrigerant
9
Caution Instructions
10
Installation
11
Operation
11
Maintenance
12
OPERATION before Use
13
Notes for Operation
13
Suggestions for Energy Saving
13
Product Overview
14
Ceiling Concealed Duct
14
Using the Appliance with Remote Control
15
MAINTENANCE Cleaning
16
Cleaning Interval
16
Cleaning the Air Filter
17
Tips for Maintenance
17
Before Long Periods of Disuse
17
After Long Periods of Disuse
18
Troubleshooting
19
Before Calling for Service
19
Operation
19
Performance
22
Calling for Service
23
Situations in Which Calling for Service Is Necessary
23
Appendix
24
Outdoor Unit Information
24
Installation of Outdoor Unit
24
Indoor Unit Information
25
Selection of the Best Space
25
Only for INDIA
26

LG ARNU42GM2A4 Installation Manual (25 pages)

Brand: LG | Category: Air Conditioner | Size: 2.97 MB

Table of Contents
2
Features

3
Safety Precautions

4
Installation

9
- Selection the Best Location
  9
- And Hanging Bolt Location
  10
- Indoor Unit Installation
  11
- Wiring Connection
  11
- Checking the Drainage
  12
- Indoor Unit Drain Piping
  13
- Dip Switch Setting
  15
- Group Control Setting
  16
- Model Designation
  21
- Airborne Noise Emission
  21
- Limiting Concentration
  21
How to Set E.S.P

22

LG ARNU42GM2A4 Owner's Manual (24 pages)

Brand: LG | Category: Air Conditioner | Size: 0.8 MB

Table of Contents
2
Safety Instructions

3
Operation

11
- Before Use
  11
- Product Overview
  12
MAINTENANCE Cleaning

13
- Tips for Maintenance
  14
Troubleshooting

16
- Before Calling for Service
  16
- Calling for Service
  20
Appendix

21
- Information
  21

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