LG ARNU 073 SER2 Engineering Manual page 6

IndooR unIt oveRvIeW
ducted
Table 2: Ducted Indoor Units.
Unit/Type
1
Ducted High Static
Ducted Low Static
Ducted Low Static -
Built In
Vertical/Horizontal Air
Handling Unit
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).
6 | IntroduCtIon
Dimensions
ARNU***** (W x D x H)
2
(inches)
073 BGA4
093 BGA4
123 BGA4
153 BGA4
183 BGA4 46-1/2 x 17-3/4 x 11-3/4
243 BGA4
283 BGA4
363 BGA4
423 BGA4
483 BRA4
48-7/16 x 23-3/8 x 15
543 BRA4
763 B8A4
61-1/2 x 27-1/8 x 18-1/8
963 B8A4
073 L1G4
27-9/16 x 27-9/16 x 7-1/2
093 L1G4
123 L2G4
153 L2G4 35-7/16 x 27-9/16 x 7-1/2
183 L2G4
243 L3G4 43-5/16 x 27-9/16 x 7-1/2
073 B3G4
093 B3G4
32-5/8 x 22-5/8 x 7-1/2
123 B3G4
153 B3G4
183 B4G4
43-5/16 x 22-5/8 x 7-1/2
243 B4G4
123 NJA4
183 NJA4
18 x 21-1/4 x 48-11/16
243 NJA4
303 NJA4
363 NJA4
423 NKA4
483 NKA4 25 x 21-1/4 x 55-3/16
543 NKA4
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.
Nominal Capacity
Air Flow Rate
Btu/h
(CFM)
(H/M/L
Cooling Heating
3 3
7,500 8,500 441 / 406 / 332
9,600 10,900 452 / 406 / 332
12,300 13,600 477 / 427 / 332
15,400 17,100 487 / 417 / 293
19,100 21,500 537/487/417
24,200 27,300 671/537/487
28,000 31,500 1,130/1,003/961
36,200 40,600 1,003/894/770
42,000 43,800 893/770/622
48,100 51,200 1,568/1,395/1,183
54,000 61,400 1,819/1,678/1,395
76,400 86,000 2,050/1,766/1,766
95,900 107,500 2,542/2,260/2,260
7,500 8,500 270/230/200
9,600 10,900 320/250/200
12,300 13,600 360/310/250
15,400 17,100 450/360/310
19,100 21,500 530/450/360
24,000 27,300 710/570/430
7,500 8,500 283/229/194
9,600 10,900 318/247/212
12,300 13,600 353/283/229
15,400 17,100 388/353/283
19,100 21,500 494/424/353
24,200 27,300 600/530/353
12,000 13,500 530/480/380
18,000 20,000 580/530/480
24,000 27,000 710/640/480
30,000 34,000 880/800/630
36,000 40,000 990/880/800
42,000 46,000 1,250/1,100/1,000
48,000 54,000 1,400/1,260/1,000
54,000 60,000 1,475/1,400/1,260
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
(lbs.) (inches, O.D.)
)
4
(Liquid, Vapor)
84
3/8, 5/8
112
3/8, 3/4
192
3/8, 7/8
39
1/4, 1/2
51
60 3/8. 5/8
46
1/4, 1/2
57
3/8, 5/8
1/4, 1/2
117
121
3/8, 5/8
165
Max.
ESP
(inches)
0.62
0.78
0.98
0.19
0.15
1.0