LG multi V ARNU073TUD4 Engineering Manual page 39

Table 13: Two-Way Ceiling Cassette (TS Frames) Indoor Unit General Data.
Model No.
Capacity (Btu/h)
Max Power Input (W)
1
L/M/H Power Input at Factory Default (W)
Capacity (Btu/h)
Max Power Input (W)
1
L/M/H Power Input at Factory Default (W)
Cooling Max (°F WB)
Heating Min (°F DB)
Refrigerant Type
2
Refrigerant Control
Sound Pressure dB(A) (H/M/L)
3
Sound Power 4 dB(A) (H)
Net Unit Weight (lbs.)
Shipping Weight (lbs.)
Panel Weight (lbs)
Panel Shipping Weight (lbs)
Communication Cable 5 (No. x AWG)
Type
Quantity
Motor/Drive
Airflow Rate H/M/L (CFM)
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. See below
for detailed electrical data.
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.
Low ambient performance with LGRED° heat techlology is included in Multi V 5 air source units
produced after February 2019.
Table 14: Two-Way Ceiling Cassette Indoor Unit Electrical Data.
Voltage
Model Number
Range
ARNU183TSA4
187-253 0.84
ARNU243TSA4
MCA : Minimum Circuit Ampacity.
MOP : Maximum Overcurrent Protection.
Rated Amps
MCA MOP
(A)
Hz
0.30
15 60
0.30
Units are suitable for use on an electrical system where voltage supplied to
unit terminals is within the listed range limits.
©
TWO-WAY CEILING CASSETTE
ARNU183TSA4
19,100
70
24 / 29 / 34
21,500
70
24 / 29 / 34
76
59
R410A
EEV
35 / 33 / 31
44
39.9
49.6
10.3
14.3
2 x 18
Turbo Fan
1
Brushless Digitally Controlled / Direct
417 / 381 / 348
1/4 Flare
1/2 Flare
1
1 Max power Input is rated at maximum setting value.
2 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.
Sound Pressure levels are tested in an anechoic chamber under ISO Standard 3745.
3
Sound Power levels are tested in a reverberation room under ISO Standard 3741.
4
Communication cable between Main ODU to IDUs / HRUs to be 18 AWG, 2-conductor, twisted, strand-
5
ed, shielded. Ensure the communication cable shield is properly grounded to the Main ODU chassis
only. Do not ground the ODU to IDUs / HRUs communication cable at any other point. Wiring must
comply with all applicable local and national codes.
Power Supply
Volts Phase Max. Cooling Max. Heating L/M/H at Factory Default
208-230 1
General Data / Electrical Data
ARNU243TSA4
24,200
70
25 / 30 / 40
27,300
70
25 / 30 / 40
76
59
R410A
EEV
40 / 37 / 33
48
39.9
49.6
10.3
14.3
2 x 18
Turbo Fan
1
512 / 438 / 364
3/8 Flare
5/8 Flare
1
Power Input (W)
70 70
Select wire size based on the larger MCA value.
Instead of fuse, use circuit breaker.
24 / 29 / 34
25 / 30 / 40
T WO-WAY | 39