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Table 8: Vertical / Horizontal NJ Chassis Air Handler Unit General Data.
Model No.
Cooling Mode Performance
Capacity (Btu/h)
Max Power Input
(W)
1
L/M/H Power Input at Factory Default (W)
Heating Mode Performance
Capacity (Btu/h)
Max Power Input
(W)
1
L/M/H Power Input at Factory Default (W)
Entering Mixed Air
Cooling Max. (°F WB)
Heating Min. (°F DB)
2
Unit Data
Refrigerant Type
3
Refrigerant Control
Sound Pressure
dB(A) (H/M/L)
4
Net Unit Weight (lbs.)
Shipping Weight (lbs.)
Communication Cable
(No. x AWG)
5
Fan
Type
Motor
Housing
Motor/Drive
Airflow Rate H/M/L (CFM) Standard Mode
Airflow Rate H/M/L (CFM) High Mode
(Factory Set)
External Static Pressure (in. wg)
Standard Mode
External Static Pressure (in. wg)
High Mode (Factory Set)
Piping
Liquid Line (in., O.D.)
Vapor Line (in., O.D.)
Condensate Line (in., I.D.)
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.
Rated capacity is certified under AHRI Standard 1230. Ratings are subject to change
without notice. Current certified ratings are available at www.ahridirectory.org.
Max power input is rated at maximum setting value.
1
Low ambient performance with LGRED° heat technology is included in Multi V 5 Air
2
Specifications − Vertical Air Handler NJ Chassis
ARNU123NJA4
ARNU183NJA4
12,000
228
47 / 64 / 80
13,500
228
47 / 64 / 80
76
59
R410A
EEV
42 / 41 / 39
117
140
2 x 18
Sirocco
1
1
530 / 480 / 380
530 / 480 / 380
0.3
0.5
1/4 Brazed
1/2 Brazed
1
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.
ARNU243NJA4
18,000
24,000
228
228
64 / 80 / 90
64 / 96 / 120
20,000
27,000
228
228
64 / 80 / 90
64 / 96 / 120
76
76
59
59
R410A
R410A
EEV
EEV
42 / 42 / 41
43 / 42 / 41
117
117
140
140
2 x 18
2 x 18
Sirocco
Sirocco
1
1
1
1
Brushless Digitally Controlled / Direct
580 / 530 / 480
710 / 640 / 480
580 / 530 / 480
710 / 640 / 480
0.3
0.3
0.5
0.5
1/4 Brazed
3/8 Brazed
1/2 Brazed
5/8 Brazed
1
1
Source Units produced after February 2019.
Take appropriate actions at the end of HVAC equipment life to recover, recycle, reclaim or
3
destroy R410A refrigerant according to applicable regulations (40 CFR Part 82, Subpart F)
under section 608 of CAA.
Sound Pressure levels are tested in an anechoic chamber under ISO Standard 3745.
4
All communication cable to be minimum 18 AWG, 2-conductor, twisted, stranded, shielded
5
and must comply with applicable local and national codes. Shield must be joined and
insulated throughout. 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.
GENERAL DATA
ARNU303NJA4
ARNU363NJA4
30,000
36,000
228
94 / 133 / 180
133 / 180 / 230
34,000
40,000
228
94 / 133 / 180
133 / 180 / 230
76
59
R410A
EEV
44 / 43 / 42
45 / 44 / 43
117
140
2 x 18
Sirocco
Sirocco
1
1
880 / 800 / 630
990 / 880 / 800
880 / 800 / 630
990 / 880 / 800
0.3
0.5
3/8 Brazed
3/8 Brazed
5/8 Brazed
5/8 Brazed
1
228
228
76
59
R410A
EEV
121
144
2 x 18
1
1
0.3
0.5
1
19
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