LG MULTI F Series Engineering Manual page 317

F
MULTI
F
MULTI MAX
Table 303: LMU540HV Heating Capacity Table — Non-Ducted Indoor Units (continued).
Outdoor Air
Combination
Capacity Index Temp.
(kBtu/h[%])
°F DB °F WB
-4 -4.4
0 -0.4
5 4.5
10 9
17 15
20 19
25 23
Non-Ducted
30 28
Indoor Units
35 32
59 (110%)
40 36
45 41
47 43
50 46
55 51
60 56
63 59
68 64
-4 -4.4
0 -0.4
5 4.5
10 9
17 15
20 19
25 23
Non-Ducted
30 28
Indoor Units
35 32
54 (100%)
40 36
45 41
47 43
50 46
55 51
60 56
63 59
68 64
-4 -4.4
0 -0.4
5 4.5
10 9
17 15
20 19
25 23
Non-Ducted
30 28
Indoor Units
35 32
49 (90%)
40 36
45 41
47 43
50 46
55 51
60 56
63 59
68 64
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.
61 64
TC PI TC PI
22.72 3.31 21.02 3.45
27.33 3.44 25.70 3.57
32.81 3.59 31.27 3.72
36.48 3.73 35.00 3.86
40.51 3.92 39.10 4.05
42.96 4.05 41.59 4.17
47.05 4.27 45.66 4.39
51.19 4.51 49.60 4.66
55.32 4.75 53.56 4.92
58.14 4.88 56.50 5.05
61.66 5.06 60.19 5.23
63.07 5.13 61.66 5.30
63.26 5.09 61.98 5.25
63.56 5.04 62.51 5.17
63.87 4.99 63.04 5.08
64.06 4.95 63.36 5.03
64.24 4.92 63.68 4.99
22.36 3.22 20.69 3.35
26.90 3.34 25.30 3.47
32.29 3.49 30.78 3.61
35.91 3.63 34.45 3.75
39.88 3.81 38.49 3.93
42.29 3.93 40.94 4.05
46.32 4.14 44.95 4.27
50.39 4.38 48.83 4.52
54.45 4.61 52.72 4.77
57.23 4.74 55.62 4.91
60.70 4.91 59.25 5.08
62.09 4.98 60.70 5.14
62.27 4.95 61.01 5.10
62.57 4.90 61.53 5.02
62.88 4.84 62.06 4.94
63.06 4.81 62.37 4.89
63.24 4.78 62.69 4.84
20.29 2.89 18.77 3.01
24.41 3.00 22.96 3.12
29.30 3.14 27.93 3.25
32.58 3.26 31.26 3.37
36.19 3.43 34.93 3.54
38.37 3.54 37.15 3.65
42.03 3.73 40.78 3.84
45.72 3.94 44.31 4.07
49.41 4.15 47.84 4.30
51.93 4.27 50.47 4.42
55.08 4.42 53.76 4.57
56.34 4.48 55.08 4.63
56.50 4.45 55.36 4.59
56.78 4.41 55.84 4.51
57.05 4.36 56.31 4.44
57.22 4.33 56.60 4.40
57.39 4.30 56.88 4.36
Due to our policy of continuous product innovation, some specifications may change without notification.
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PERFORMANCE DATA
Indoor Air Temp. °F DB
68 70
TC PI TC PI
20.91 3.48 20.67 3.50
25.31 3.62 24.95 3.65
30.53 3.80 30.03 3.84
34.02 3.96 33.44 4.01
37.87 4.17
37.18 4.24
40.20 4.31 39.45 4.39
44.07 4.56 43.24 4.65
47.90 4.80 47.02 4.90
51.73 5.04 50.80 5.16
54.70 5.20 53.75 5.31
58.41 5.39 57.44 5.49
59.90 5.47
58.92 5.56
60.45 5.40 59.57 5.48
61.36 5.29 60.65 5.35
62.27 5.18 61.73 5.22
62.81 5.11 62.38 5.14
63.36 5.04 63.04 5.06
20.59 3.38 20.35 3.40
24.91 3.52 24.56 3.55
30.05 3.69 29.57 3.73
33.49 3.84 32.92 3.90
37.28 4.05
36.60 4.12
39.57 4.19 38.84 4.27
43.38 4.43 42.56 4.52
47.15 4.66 46.29 4.76
50.93 4.90 50.01 5.01
53.85 5.05 52.92 5.15
57.50 5.23 56.55 5.33
58.96 5.31 58.00 5.40
59.50 5.24 58.64 5.32
60.40 5.14 59.70 5.19
61.29 5.03 60.77 5.07
61.83 4.96 61.41 4.99
62.37 4.90 62.05 4.91
18.68 3.04 18.46 3.06
22.60 3.17 22.29 3.19
27.27 3.32 26.83 3.36
30.39 3.46 29.87 3.51
33.83 3.65
33.21 3.71
35.91 3.77 35.24 3.84
39.37 3.98 38.62 4.06
42.79 4.19 42.00 4.29
46.21 4.41 45.38 4.51
48.86 4.54 48.02 4.64
52.18 4.71 51.31 4.80
53.50 4.78
52.63 4.86
53.99 4.72 53.21 4.79
54.81 4.62 54.18 4.67
55.62 4.52 55.14 4.56
56.11 4.47 55.72 4.49
56.60 4.41 56.31 4.42
Nominal heating capacity rating obtained with air entering the indoor unit at 70ºF dry bulb (DB) and
60ºF wet bulb (WB), and outdoor ambient conditions of 47ºF dry bulb (DB) and 43ºF wet bulb (WB).
Heating Capacity Tables
72 75
TC PI TC
20.48 3.51 19.56
24.67 3.68 23.62
29.64 3.87 28.44
32.97 4.05 31.67
36.64 4.30 35.23
38.86 4.46 37.38
42.57 4.72 40.97
46.32 4.99 44.61
50.06 5.25 48.25
53.00 5.39 51.08
56.67 5.57 54.61
58.14 5.64 56.02
58.87 5.55 56.88
60.09 5.40 58.31
61.31 5.25 59.74
62.04 5.16 60.60
62.78 5.07 61.47
20.16 3.41 19.25
24.28 3.57 23.25
29.18 3.76 28.00
32.46 3.94 31.18
36.06 4.17 34.68
38.25 4.33 36.80
41.91 4.59 40.33
45.59 4.85 43.92
49.28 5.10 47.50
52.17 5.24 50.28
55.78 5.41 53.76
57.23 5.47 55.15
57.95 5.39 55.99
59.15 5.24 57.40
60.35 5.10 58.81
61.07 5.01 59.65
61.80 4.92 60.51
18.29 3.07 17.47
22.03 3.21 21.10
26.48 3.39 25.41
29.45 3.54 28.29
32.73 3.76 31.47
34.71 3.90 33.39
38.03 4.13 36.59
41.37 4.36 39.85
44.72 4.59 43.10
47.34 4.71 45.62
50.62 4.87 48.78
51.93 4.93 50.04
52.58 4.85 50.81
53.67 4.72 52.08
54.76 4.59 53.36
55.42 4.51 54.13
56.08 4.43 54.90
MULTI F MAX OUTDOOR UNIT | 317
PI
3.65
3.81
4.00
4.18
4.42
4.58
4.85
5.11
5.38
5.54
5.73
5.80
5.69
5.51
5.33
5.22
5.11
3.54
3.70
3.89
4.06
4.29
4.45
4.71
4.97
5.23
5.38
5.56
5.64
5.53
5.35
5.17
5.07
4.96
3.19
3.33
3.50
3.66
3.87
4.00
4.24
4.47
4.70
4.84
5.01
5.07
4.98
4.82
4.66
4.56
4.47