Multi F Outdoor Unit Engineering Manual

Combination
Capacity Index
(kBtu/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 PI TC PI TC PI TC PI TC PI TC PI
Non-Ducted
Indoor Units
32 (60%)
14 30.50 1.56 32.39 1.62 34.29 1.68 35.65 1.70 38.07 1.73 39.97 1.77
20 30.47 1.59 32.37 1.64 34.26 1.70 35.63 1.72 38.04 1.76 39.94 1.79
25 30.45 1.61 32.34 1.67 34.23 1.73 35.60 1.75 38.01 1.78 39.91 1.82
30 30.43 1.63 32.32 1.69 34.21 1.75 35.57 1.77 37.99 1.81 39.88 1.84
35 30.40 1.65 32.29 1.71 34.18 1.78 35.54 1.80 37.96 1.83 39.85 1.87
40 30.38 1.68 32.27 1.74 34.15 1.80 35.52 1.82 37.93 1.86 39.81 1.89
45 30.36 1.70 32.24 1.76 34.13 1.83 35.49 1.85 37.90 1.88 39.78 1.92
50 30.33 1.72 32.22 1.78 34.10 1.85 35.46 1.87 37.87 1.91 39.75 1.94
55 30.31 1.74 32.19 1.81 34.08 1.87 35.44 1.90 37.84 1.93 39.72 1.97
60 30.29 1.77 32.17 1.83 34.05 1.90 35.41 1.92 37.81 1.96 39.69 2.00
65 30.26 1.79 32.14 1.85 34.02 1.92 35.38 1.94 37.78 1.98 39.66 2.02
70 30.24 1.81 32.12 1.88 34.00 1.95 35.35 1.97 37.75 2.01 39.63 2.05
75 29.51 1.91 31.39 1.98 33.26 2.05 34.61 2.08 37.01 2.11 38.88 2.16
80 28.79 2.01 30.65 2.08 32.52 2.16 33.87 2.18 36.26 2.22 38.13 2.27
85 28.06 2.10 29.93 2.18 31.79 2.26 33.14 2.29 35.52 2.33 37.39 2.38
90 27.34 2.20 29.20 2.28 31.06 2.37 32.41 2.39 34.78 2.44 36.64 2.49
95 26.56 2.30 28.41 2.38 30.26 2.47 31.11 2.50 33.96 2.55 35.81 2.60
100 25.91 2.40 27.76 2.49 29.61 2.58 30.71 2.61 33.32 2.66 35.17 2.71
105 25.27 2.50 27.12 2.59 28.97 2.68 30.30 2.71 32.67 2.76 34.52 2.82
110 24.62 2.59 26.47 2.69 28.32 2.79 29.66 2.82 32.02 2.87 33.87 2.93
115 23.97 2.69 25.82 2.79 27.67 2.89 29.01 2.92 31.37 2.98 33.23 3.04
118 23.59 2.75 25.44 2.85 27.29 2.95 28.62 2.99 30.99 3.04 32.84 3.11
122 23.46 2.83 25.31 2.93 27.16 3.04 28.49 3.07 30.86 3.13 32.71 3.19
Non-Ducted
Indoor Units
27 (50%)
14 25.73 1.20 27.33 1.24 28.93 1.28 30.08 1.30 32.13 1.32 33.72 1.35
20 25.71 1.21 27.31 1.26 28.91 1.30 30.06 1.32 32.10 1.34 33.70 1.37
25 25.69 1.23 27.29 1.27 28.88 1.32 30.04 1.34 32.08 1.36 33.67 1.39
30 25.67 1.25 27.27 1.29 28.86 1.34 30.01 1.35 32.05 1.38 33.65 1.41
35 25.65 1.26 27.25 1.31 28.84 1.36 29.99 1.37 32.03 1.40 33.62 1.43
40 25.63 1.28 27.23
1.33 28.82 1.38 29.97 1.39 32.00 1.42 33.59 1.45
45 25.62 1.30 27.21 1.35 28.80 1.39 29.95 1.41 31.98 1.44 33.57 1.47
50 25.60 1.32 27.19 1.36 28.77 1.41 29.92 1.43 31.95 1.46 33.54 1.49
55 25.58 1.33 27.16 1.38 28.75 1.43 29.90 1.45 31.93 1.48 33.52 1.51
60 25.56 1.35 27.14 1.40 28.73 1.45 29.88 1.47 31.90 1.49 33.49 1.52
65 25.54 1.37 27.12 1.42 28.71 1.47 29.85 1.49 31.88 1.51 33.47 1.54
70 25.52 1.38 27.10 1.43 28.69 1.49 29.83 1.50 31.86 1.53 33.44 1.56
75 24.90 1.46 26.48 1.51 28.06 1.57 29.21 1.59 31.23 1.62 32.81 1.65
80 24.29 1.53 25.87 1.59 27.44 1.65 28.58 1.67 30.60 1.70 32.17 1.73
85 23.68 1.61 25.25 1.67 26.83 1.73 27.96 1.75 29.97 1.78 31.55 1.82
90 23.07 1.68 24.64 1.74 26.21 1.81 27.34 1.83 29.35 1.86 30.92 1.90
95 22.41 1.76 23.97 1.82 25.53 1.89 26.25 1.91 28.66 1.95 30.22 1.98
100 21.87 1.83 23.43 1.90 24.99 1.97 25.91 1.99 28.11 2.03 29.67 2.07
105 21.32 1.91 22.88 1.98 24.44 2.05 25.57 2.07 27.56 2.11 29.13 2.15
110 20.77 1.98 22.34 2.05 23.90 2.13 25.02 2.15 27.02 2.19 28.58 2.24
115 20.23 2.06 21.79 2.13 23.35 2.21 24.48 2.23 26.47 2.28 28.03 2.32
118 19.90 2.10 21.46 2.18 23.02 2.26 24.15 2.28 26.15 2.33 27.71 2.37
122 19.79 2.16 21.35 2.24 22.91 2.32 24.04 2.35 26.04 2.39 27.60 2.44
TC = Total Capacity (kBtu/h).
PI = Power Input (kW).
Nominal capacity as rated: 0 ft. above sea level with Piping Length as Main Pipe (16.4 ft.) + Branch
pipe (98.4 ft.) = 115 ft.
0 ft. level difference between outdoor and indoor units.
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 columns and rows indicate reference data. When operating at this temperature, these
values can be different if the system is not running consistently.
Table 127: LMU540HV Cooling Capacity Table — Non-Ducted Indoor Units (continued).
PERFORMANCE DATA
Cooling Capacity Tables
MULTI F MAX OUTDOOR UNIT | 141
Multi F MAX Outdoor Unit Data
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