56 | FOUR-WAY
MULTI V Ceiling Cassette Indoor Unit Engineering Manual
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FOUR-WAY CEILING CASSETTE
General Data
Model No. ARNU053TRD4 ARNU073TRD4 ARNU093TRD4 ARNU123TRD4 ARNU153TQD4 ARNU183TQD4
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Capacity (Btu/h)
5,500 7,500 9,600 12,300 15,400 19,100
Power Input
1
(W)
30 30 30 30 30 30
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Capacity (Btu/h)
6,100 8,500 10,900 13,600 17,100 21,500
Power Input
1
(W)
30 30 30 30 30 30
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Cooling Max. (°F WB)
76 76 76 76 76 76
Heating Min. (°F DB)
59 59 59 59 59 59
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Refrigerant Type
2
R410A R410A R410A R410A R410A R410A
Refrigerant Control
EEV EEV EEV EEV EEV EEV
Sound Pressure
3
dB(A) (H/M/L)
29 / 27 / 26 29 / 27 / 26 30 / 29 / 27 32 / 30 / 27 36 / 34 / 32 37 / 35 / 34
Net Unit Weight (lbs.)
29 29 32 32 35 35
Shipping Weight (lbs.)
34 34 38 38 40 40
Grille Weight (lbs)
777777
Grille Shipping Weight (lbs)
11 11 11 11 11 11
Communication Cable
4
(No. x AWG)
2 x 18 2 x 18 2 x 18 2 x 18 2 x 18 2 x 18
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Type
Turbo Turbo Turbo Turbo Turbo Turbo
Quantity
111111
Motor/Drive
Brushless Digitally Controlled / Direct
Airflow Rate H/M/L (CFM)
265 / 247 / 212 265 / 247 / 212 283 / 265 / 251 307 / 283 / 247 388 / 353 / 328 396 / 388 / 353
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Liquid Line (in., O.D.)
1/4 Flare 1/4 Flare 1/4 Flare 1/4 Flare 1/4 Flare 1/4 Flare
Vapor Line (in., O.D.)
1/2 Flare 1/2 Flare 1/2 Flare 1/2 Flare 1/2 Flare 1/2 Flare
Condensate Line (in., I.D.)
111111
Table 26: Four-Way Ceiling Cassette (2' x 2' TR and TQ Frames) Indoor Unit General Data.
EEV: Electronic Expansion Valve
Power wiring is field supplied and must comply with the applicable local and national codes. See page
61 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.
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
Communication cable between Master ODU to IDUs / HRUs to be 18 AWG, 2-conductor, twisted,
stranded, shielded. Ensure the communication cable shield is properly grounded to the Master 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.