Indoor Unit Overview - LG ARNU 073 SER2 Engineering Manual

Table 1: Wall-Mounted / Ceiling Cassette Indoor Units.
Unit/Type
1
Wall Mounted–ART COOL
TM
Mirror
Wall Mounted–Standard
Ceiling Cassette–One Way
Ceiling Cassette–Two Way
Ceiling Cassette–Four Way
(2' x 2')
Ceiling Cassette–Four Way
(3' x 3')
All indoor units require 208–230V/60Hz/1Ph and an AWG18-2 communication cable.
1
Model number shows nominal capacity and frame size designator.
2
Nominal cooling capacity rating obtained with air entering the indoor unit at 80ºF dry bulb (DB) and
3
67ºF wet bulb (WB) and outdoor ambient conditions of 95ºF dry bulb (DB) and 75ºF wet bulb (WB).
Dimensions
ARNU***** (W x D x H)
2
(inches)
073 SER2
093 SER2
36-1/16 x 6-1/2 x 11-1/8
123 SER2
153 SER2
183 S8R2
43-9/16 x 7-7/8 x 11-13/16
243 S8R2
053 SBL4
073 SBL4
093 SBL4 35-1/4 x 8-15/16 x 11-7/16
123 SBL4
153 SBL4
183 SCL4
40-5/16 x 9-7/8 x 12-13/16
243 SCL4
073 TUC4
Body: 33-7/8 x 17-3/4 x 6-11/16
093 TUC4
Panel: 43-5/16 x 19-3/4 x 1-3/8
123 TUC4
183 TTC4
Body: 46-1/2 x 17-3/4 x 6-7/8
Panel: 55-15/16 x 19-3/4 x 1-3/8
243 TTC4
183 TLC4
Body: 32-11/16 x 21-5/8 x 8-7/8
Panel: 41-5/16 x 25-3/16 x 1-5/8
243 TLC4
053 TRC4
073 TRC4
Body: 22-7/16 x 22-7/16 x 8-7/16
093 TRC4 Panel: 27-9/16 x 27-9/16 x 7/8
123 TRC4
153 TQC4
Body: 22-7/16 x 22-7/16 x 10-3/32
Panel: 27-9/16 x 27-9/16 x 7/8
183 TQC4
243 TPC4
Body: 33-1/16 x 33-1/16 x 8
Panel: 37-3/8 x 37-3/8 x 1-7/16
283 TPC4
Body: 33-1/16 x 33-1/16 x 9-5/8
363 TNC4
Panel: 37-3/8 x 37-3/8 x 1-7/16
423 TMC4
Body: 33-1/16 x 33-1/16 x 11-5/16
Panel: 37-3/8 x 37-3/8 x 1-7/16
483 TMC4
Due to our policy of continuous product innovation, some specifications may change without notification.
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LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. "LG" is a registered trademark of LG Corp.

IndooR unIt oveRvIeW

Wall-Mounted / Ceiling Cassette
Nominal Capacity
Air Flow Rate
Btu/h
Cooling Heating
3 3
7,500 8,500 247/212/141
9,600 10,900 282/247/177
12,300 13,600 353/283/212
15,400 17,100 371/283/212
19,100 21,500 508/459/388
24,200 27,300 632/508/424
5,500 6,100 1,120/1,080/1,050
7,500 8,500 1,190/1,120/1,050
9,600 10,900 1,260/1,190/1,050
12,300 13,600 1,420/1,260/1,120
15,400 17,100 1,550/1,350/1,190
19,100 21,500 1,120/1,050/980
24,200 27,300 1,280/1,140/1,000
7,500 8,500 290/258/226
9,600 10,900 325/304/290
12,300 13,600 353/325/290
19,100 21,500 470/427/385
24,200 24,200 515/470/406
19,100 21,500 459/424/353
24,200 27,300 601/530/459
5,500 6,100 265/247/212
7,500 8,500 265/247/212
9,600 10,900 283/265/251
12,300 13,600 307/283/247
15,400 17,100 388/353/328
19,100 21,500 396/388/353
24,200 27,300 600/530/459
28,000 31,500 671/565/494
36,200 40,600 883/777/706
42,000 43,800 1,059/918/812
48,100 51,200 1,130/953/883
Nominal heating capacity rating obtained with air entering the indoor unit at 70ºF dry bulb (DB) and 60°
F wet bulb (WB) and outdoor ambient conditions of 47ºF dry bulb (DB) and 43ºF wet bulb (WB).
H/M/L = High/Medium/Low
4
Pipe
Weight Connections
(CFM)
(lbs.) (inches, O.D.)
(H/M/L )
4
(Liquid, Vapor)
25
1/4, 1/2
34
3/8, 5/8
22
1/4, 1/2
31
3/8, 5/8
Body: 33
Panel: 10
1/4, 1/2
Body: 42
Panel: 13
3/8, 5/8
1/4, 1/2
Body: 49
Panel: 11
3/8, 5/8
Body: 29
Panel: 7
Body: 32
1/4, 1/2
Panel: 7
Body: 35
Panel: 7
Body: 48
Panel: 13
Body: 54
3/8, 5/8
Panel: 13
Body: 59
Panel: 13
IntroduCtIon | 5