44 | STANDARD
MULTI V Wall-Mounted Indoor Unit Engineering Manual
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Table 23: Standard Wall-Mounted (SC and SV Frames) Indoor Unit General Data.
Model No. ARNU183SCL4 ARNU243SCL4 ARNU303SVA4 ARNU363SVA4
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Capacity (Btu/h)
19,100 24,200 30,000 35,500
Power Input
1
(W)
39.5 39.5 67.0 104.0
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Capacity (Btu/h)
21,500 27,300 32 000 37 000
Power Input
1
(W)
39.5 39.5 67.0 104.0
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Cooling Max (°F WB)
76 76 76 76
Heating Min (°F DB)
59 59 59 59
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Refrigerant Type
2
R410A R410A R410A R410A
Refrigerant Control
EEV EEV EEV EEV
Sound Pressure
3
dB(A) (H/M/L)
38 / 35 / 33 43 / 39 / 35 49 / 44 / 42 52 / 47 / 43
Net Unit Weight (lbs.)
31 31 37 37
Shipping Weight (lbs.)
37 37 48 48
Communication Cable
4
(No. x AWG)
2 x 18 2 x 18 2 x 18 2 x 18
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Type
Cross Flow Cross Flow Cross Flow Cross Flow
Quantity
1111
Motor/Drive
Brushless Digitally Controlled / Direct
Airflow Rate H/M/L (CFM)
441 / 424 / 399 494 / 449 / 406 812 / 706 / 600 918 / 812 / 671
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Liquid Line (in., O.D.)
1/4 Flare 3/8 Flare 3/8 Flare 3/8 Flare
Vapor Line (in., O.D.)
1/2 Flare 5/8 Flare 5/8 Flare 5/8 Flare
Condensate Line (in., I.D.)
5/8 5/8 5/8 5/8
STANDARD WALL-MOUNTED
General Data
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.
This data is rated 0 ft above sea level, with 25 ft of refrigerant line per indoor unit and a 0 ft level
difference between outdoor and indoor units. All capacities are net with a combination ratio between
95-105%.
Cooling capacity rating obtained with air entering the indoor coil at 80ºF dry bulb (DB) and 67ºF wet
bulb (WB) and outdoor ambient conditions of 95ºF dry bulb (DB).
Heating capacity rating obtained with air entering the indoor unit at 70ºF dry bulb (DB) and outdoor
ambient conditions of 47ºF dry bulb (DB) and 43ºF wet bulb (WB).
1
Power Input is rated at high speed.
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.
3
Sound Pressure levels are tested in an anechoic chamber under ISO Standard 3745.
4
All communication cable to be minimum 18 AWG, 2-conductor, stranded, shielded and must comply
with applicable and national code. 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.