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Due to our policy of continuous product innovation, some specications may change without notication.
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42 | FOUR-WAY CASSETTE
Four-Way Ceiling Cassette System Engineering Manual
Cooling Capacity Tables
PERFORMANCE DATA
Model No. /
Nominal Capacity
(Btu/h)
Outdoor
Air Temp.
(°F DB)
Indoor Air Temp. °F DB / °F WB
68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75
TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI
LC427HV /
42,000
5 41.60 30.30 1.62 44.19 32.00 2.20 46.77 32.94 2.38 48.64 31.64 2.42 51.94 31.91 2.42 54.52 32.51 2.42
10 41.54 30.52 1.67 44.12 32.24 2.26 46.70 33.18 2.45 48.57 31.87 2.49 51.86 32.14 2.49 54.44 32.75 2.48
15 41.48 30.74 1.71 44.06 32.47 2.32 46.64 33.42 2.51 48.50 32.10 2.55 51.79 32.37 2.56 54.36 32.98 2.55
20 41.42 30.96 1.76 44.00 32.70 2.38 46.57 33.66 2.58 48.43 32.33 2.62 51.71 32.60 2.63 54.29 33.22 2.62
25 41.36 31.18 1.80 43.93 32.93 2.45 46.50 33.90 2.65 48.36 32.56 2.69 51.64 32.83 2.69 54.21 33.45 2.69
30 41.30 31.39 1.85 43.87 33.16 2.51 46.43 34.14 2.71 48.29 32.79 2.76 51.57 33.06 2.76 54.13 33.69 2.75
35 41.24 31.61 1.89 43.81 33.39 2.57 46.37 34.37 2.78 48.22 33.01 2.82 51.49 33.29 2.83 54.05 33.92 2.82
40 41.18 31.83 1.94 43.74 33.62 2.63 46.30 34.61 2.85 48.15 33.24 2.89 51.42 33.52 2.90 53.97 34.15 2.89
45 41.13 32.04 1.99 43.68 33.85 2.69 46.23 34.84 2.91 48.08 33.46 2.96 51.34 33.75 2.96 53.90 34.38 2.96
50 41.07 32.26 2.03 43.62 34.07 2.75 46.17 35.08 2.98 48.01 33.69 3.03 51.27 33.97 3.03 53.82 34.62 3.03
55 41.01 32.47 2.08 43.55 34.30 2.82 46.10 35.31 3.05 47.94 33.91 3.10 51.19 34.20 3.10 53.74 34.85 3.09
60 40.95 32.68 2.12 43.49 34.53 2.88 46.03 35.54 3.11 47.87 34.13 3.16 51.12 34.42 3.17 53.66 35.07 3.16
65 40.89 32.90 2.17 43.43 34.75 2.94 45.97 35.77 3.18 47.80 34.36 3.23 51.04 34.65 3.24 53.58 35.30 3.23
70 40.83 33.11 2.21 43.36 34.97 3.00 45.90 36.00 3.25 47.73 34.58 3.30 50.97 34.87 3.30 53.50 35.53 3.30
75 39.84 32.56 2.36 42.37 34.44 3.10 44.90 35.50 3.34 46.73 34.12 3.39 49.96 34.45 3.42 52.49 35.13 3.44
80 38.86 32.01 2.50 41.39 33.90 3.19 43.91 34.98 3.42 45.73 33.65 3.49 48.95 34.01 3.54 51.48 34.72 3.59
85 37.89 31.42 2.84 40.41 33.33 3.47 42.92 34.43 3.67 44.74 33.15 3.74 47.96 33.55 3.80 50.47 34.28 3.86
90 36.91 30.83 3.18 39.43 32.75 3.74 41.94 33.88 3.92 43.75 32.64 3.98 46.96 33.08 4.06 49.47 33.83 4.14
95 35.86 30.51 3.52 38.36 32.45 3.99 40.85 33.62 4.14 42.00 31.92 4.07 45.85 32.91 4.27 48.35 33.68 4.35
100 34.98 29.69 3.69 37.48
31.63 4.07 39.98 32.81 4.17 41.46 31.43 4.14 44.98 32.20 4.27 47.47 32.99 4.35
105 34.11 28.87 3.87 36.61 30.82 4.15 39.11 32.02 4.19 40.91 30.93 4.21 44.10 31.49 4.26 46.60 32.30 4.36
110 33.24 27.88 3.76 35.74 29.82 3.92 38.23 31.03 3.91 40.04 30.01 3.89 43.23 30.60 3.93 45.73 31.41 4.02
115 32.37 27.05 3.38 34.86 28.98 3.41 37.36 30.20 3.33 39.17 29.24 3.29 42.36 29.87 3.30 44.86 30.70 3.37
118 30.57 25.78 2.99 32.97 27.65 2.94 35.36 28.85 2.81 37.10 27.95 2.75 40.16 28.57 2.74 42.56 29.39 2.81
122 29.97 25.35 2.86 32.33 27.20 2.79 34.70 28.39 2.64 36.41 27.51 2.57 39.43 28.14 2.56 41.79 28.95 2.63
Table 20: LC427HV System Cooling Capacity Table.
TC = Total Capacity (kBtu/h).
SHC: Sensible Heat Capacity (kBtu/h).
PI = Power input (KW). Power input (KW) includes compressor and fan(s).
Nominal capacity as rated 0 ft. above sea level and a 0 ft. level difference between outdoor and indoor
unit. Corresponding refrigerant piping length is accordance with standard length of each outdoor unit.
Nominal cooling capacity rating obtained with air entering the indoor unit at 80ºF dry bulb (DB) and 67ºF
wet bulb (WB), and outdoor ambient conditions of 95ºF dry bulb (DB) and 75ºF wet bulb (WB).
The shaded table rows indicate reference data. When operating at this temperature, these values can
be different if the system is not running consistently.
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