15
Installation Manual
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
ART COOL MIRROR
General Data
Table 4: Art Cool Mirror Wall-Mounted (SJ, SK Frames) Indoor Unit General Data.
Model No. ARNU053SJR4 ARNU073SJR4 ARNU093SJR4 ARNU123SJR4 ARNU153SJR4 ARNU183SKR4 ARNU243SKR4
Cooling Mode Performance
Capacity (Btu/h)
5,500 7,500 9,600 12,300 15,400 19,100 24,200
Max. Power Input
1
(W)
30 30 30 30 30 53 53
H/M/L Power Input at
Factory Default (W)
11 / 10 / 9 12 / 11 / 9 13 / 12 / 9 15 / 13 / 11 23 / 18 / 11 32 / 26 / 16 39 / 26 / 16
Heating Mode Performance
Capacity (Btu/h)
6,100 8,500 10,900 13,600 17,100 21,500 25,600
Max. Power Input
1
(W)
30 30 30 30 30 53 53
H/M/L Power Input at
Factory Default (W)
11 / 10 / 9 12 / 11 / 9 13 / 12 / 9 15 / 13 / 11 23 / 18 / 11 32 / 26 / 16 39 / 26 / 16
Entering Mixed Air
Cooling Max (°F WB)
2
76 76 76 76 76 76 76
Heating Min (°F DB)
2
59 59 59 59 59 59 59
Unit Data
Refrigerant Type
3
R410A R410A R410A R410A R410A R410A R410A
Refrigerant Control
EEV EEV EEV EEV EEV EEV EEV
Sound Pressure
4
dB(A) (H/M/L)
30 / 29 / 28 32 / 30 / 28 34 / 32 / 28 37 / 34 / 30 42 / 39 / 32 43 / 39 / 34 46 / 41 / 34
Net Unit Weight (lbs.)
20.2 20.2 20.2 20.2 20.2 29.5 29.5
Shipping Weight
(lbs.)
27.7 27.7 27.7 27.7 27.7 38.8 38.8
Communication
Cable
5
(No. x AWG)
2 x 18 2 x 18 2 x 18 2 x 18 2 x 18 2 x 18 2 x 18
Fan
Type
Cross Flow Cross Flow Cross Flow Cross Flow Cross Flow Cross Flow Cross Flow
Quantity
1 1 1 1 1 1 1
Motor / Drive
Brushless Digitally Controlled / Direct
Airflow Rate H/M/L
(CFM)
240 / 230 / 208 254 / 240 / 208 275 / 254 / 208 300 / 254 / 240 371 / 336 / 240 494 / 424 / 371 537 / 449 / 371
Piping
Liquid Line (in., O.D.)
1/4 Flare 1/4 Flare 1/4 Flare 1/4 Flare 1/4 Flare 1/4 Flare 3/8 Flare
Vapor Line (in., O.D.)
1/2 Flare 1/2 Flare 1/2 Flare 1/2 Flare 1/2 Flare 1/2 Flare 5/8 Flare
Condensate Line
(in., I.D.)
5/8 5/8 5/8 5/8 5/8 5/8 5/8
EEV: Electronic Expansion Valve
Power wiring is field supplied and must comply with the applicable local and national
codes.
This unit comes with a dry nitrogen charge.
All capacities are net with a combination ratio between 95-105%.
Rated capacity is certified under AHRI Standard 1230. Ratings are subject to change
without notice. Current certified ratings are available at www.ahridirectory.org.
1
Max. power input is rated at maximum setting value.
2
Low ambient performance with LGRED° heat technology is included in Multi V 5 Air
Source Units produced after February 2019.
3
Take appropriate actions at the end of HVAC equipment life to recover, recycle, reclaim or
destroy R410A refrigerant according to applicable regulations (40 CFR Part 82, Subpart F)
under section 608 of CAA.
4
Sound Pressure levels are tested in an anechoic chamber under ISO Standard 3745.
5
All communication cable to be minimum 18 AWG, 2-conductor, twisted, stranded, shielded
and must comply with applicable local and national codes. Ensure the communication
cable is properly grounded at the master outdoor unit only. Do not ground the ODU-IDU
communication cable at any other point.
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