LG Multi V ARNU543M3A4 User Manual

21
Installation Manual
Due to our policy of continuous product innovation, some specifications may change without notification.
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GENERAL DATA
Specications − Vertical Air Handling Unit NJ Chassis
Table 12: Vertical / Horizontal NJ Chassis Air Handler Unit General Data.
Model No. ARNU123NJA4 ARNU183NJA4 ARNU243NJA4 ARNU303NJA4 ARNU363NJA4
Cooling Mode Performance
Capacity (Btu/h)
12,000 18,000 24,000 30,000 36,000
Max Power Input
1
(W)
228 228 228 228 228
L/M/H Power Input at Factory Default (W)
47 / 64 / 80 64 / 80 / 90 64 / 96 / 120 94 / 133 / 180 133 / 180 / 230
Heating Mode Performance
Capacity (Btu/h)
13,500 20,000 27,000 34,000 40,000
Max Power Input
1
(W)
228 228 228 228 228
L/M/H Power Input at Factory Default (W)
47 / 64 / 80 64 / 80 / 90 64 / 96 / 120 94 / 133 / 180 133 / 180 / 230
Entering Mixed Air
Cooling Max. (°F WB)
76 76 76 76 76
Heating Min. (°F DB)
2
59 59 59 59 59
Unit Data
Refrigerant Type
3
R410A
Refrigerant Control
EEV
Sound Power
4
dB(A)
H/M/L, @0.50 ESP (in wg)
54 / 53 / 52 56 / 55 / 54 57 / 56 / 53 62 / 60 / 56 67 / 62 / 60
Sound Pressure
5
dB(A)
H/M/L, @0.50 ESP (in wg)
42 / 41 / 39 42 / 42 / 41 43 / 42 / 41 44 / 43 / 42 45 / 44 / 43
Net Unit Weight (lbs.)
117 117 117 117 121
Shipping Weight (lbs.)
140 140 140 140 144
Communication Cable
6
(No. x AWG)
2 x 18 2 x 18 2 x 18 2 x 18 2 x 18
Fan
Type
Sirocco Sirocco Sirocco Sirocco Sirocco
Motor
1 1 1 1 1
Housing
1 1 1 1 1
Motor/Drive
Brushless Digitally Controlled / Direct
Airflow Rate H / M / L (CFM) High Mode
(Factory Set)
530 / 480 / 380 580 / 530 / 480 710 / 640 / 480 880 / 800 / 630 990 / 880 / 800
External Static Pressure (in. wg)
High Mode (Factory Set)
0.5 0.5 0.5 0.5 0.5
Piping
Liquid Line (in., O.D.)
1/4 Flare 1/4 Flare 3/8 Flare 3/8 Flare 3/8 Flare
Vapor Line (in., O.D.)
1/2 Flare 1/2 Flare 5/8 Flare 5/8 Flare 5/8 Flare
Condensate Line (in., I.D.)
1 (3/4” FPT) 1 (3/4” FPT) 1 (3/4” FPT) 1 (3/4” FPT) 1 (3/4” FPT)
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.
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 Power level is measured using rated conditions, and tested in a reverberation room
per AHRI 260.
5
Sound Pressure levels are tested in an anechoic chamber under ISO Standard 3745.
6
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 main outdoor unit only. Do not ground the ODU-IDU
communication cable at any other point.

LG Multi V ARNU543M3A4 Specifications

General

Brand	LG
Model	Multi V ARNU543M3A4
Category	Air Conditioner
Language	English