Total Indoor Unit Capacity
(kBtu/h)
Heating Capacity
Input (W)
COP
HSPF
Minimum
Rated
Maximum
Minimum
Rated
Maximum
Btu/h
kW
Btu/h
kW
Btu/h
kW
24
15,467
4.53
25,778
7.56
27,067
7.93
1,490
2,310
2,557
3.30
9.8
25
16,111
4.72
26,852
7.87
28,194
8.26
1,645
2,419
2,663
3.30
9.7
26
16,756
4.91
27,926
8.18
29,322
8.59
1,719
2,528
2,770
3.20
9.6
27
17,400
5.10
29,000
8.50
30,450
8.92
1,793
2,637
2,876
3.20
9.6
28
18,044
5.29
30,074
8.81
31,578
9.25
1,977
2,746
2,983
3.20
9.5
29
18,689
5.48
31,148
9.13
32,706
9.59
2,055
2,855
3,090
3.20
9.5
30
19,333
5.67
32,222
9.44
33,833
9.92
2,134
2,964
3,196
3.20
9.4
31
19,978
5.86
33,296
9.76
34,961
10.25
2,304
3,073
3,303
3.20
9.3
32
20,622
6.04
34,370
10.07
36,089
10.58
2,386
3,182
3,409
3.20
9.3
33
21,267
6.23
35,444
10.39
37,217
10.91
2,468
3,291
3,516
3.20
9.2
34
21,911
6.42
36,519
10.70
38,344
11.24
2,550
3,400
3,622
3.10
9.2
35
22,556
6.61
37,593
11.02
39,472
11.57
2,737
3,509
3,729
3.10
9.1
36
23,200
6.80
38,667
11.33
40,600
11.90
2,822
3,618
3,835
3.10
9.0
37
23,844
6.99
39,741
11.65
41,728
12.23
2,907
3,727
3,942
3.10
9.0
38
24,489
7.18
40,815
11.96
42,856
12.56
2,992
3,836
4,048
3.10
8.9
39
25,133
7.37
41,889
12.28
43,983
12.89
3,156
3,945
4,155
3.10
8.9
40
25,778
7.56
42,963
12.59
45,111
13.22
3,243
4,054
4,261
3.10
8.8
41
26,422
7.74
44,037
12.91
46,239
13.55
3,330
4,163
4,368
3.10
8.8
42
27,067
7.93
45,111
13.22
47,367
13.88
3,417
4,272
4,475
3.10
8.7
43
27,711
8.12
46,185
13.54
48,494
14.21
3,505
4,381
4,581
3.10
8.6
44
28,356
8.31
47,259
13.85
49,622
14.54
3,592
4,490
4,688
3.10
8.6
45
29,000
8.50
48,333
14.17
50,750
14.87
3,679
4,599
4,794
3.10
8.5
46
29,644
8.69
49,407
14.48
51,878
15.20
3,766
4,708
4,901
3.10
8.5
47
30,289
8.88
50,481
14.80
53,006
15.54
3,854
4,817
5,007
3.10
8.4
48
30,933
9.07
51,556
15.11
54,133
15.87
3,941
4,926
5,114
3.10
8.3
49
31,578
9.25
52,630
15.42
55,261
16.20
4,028
5,035
5,220
3.10
8.3
50
32,222
9.44
53,704
15.74
56,389
16.53
4,115
5,144
5,327
3.10
8.2
51
32,867
9.63
54,778
16.05
57,517
16.86
4,202
5,253
5,433
3.10
8.2
52
33,511
9.82
55,852
16.37
58,644
17.19
4,290
5,362
5,540
3.10
8.1
53
34,156
10.01
56,926
16.68
59,772
17.52
4,377
5,471
5,646
3.00
8.1
54
34,800
10.20
58,000
17.00
60,900
17.85
4,464
5,580
5,753
3.00
8.0
55
35,233
10.33
58,183
17.05
61,021
17.88
4,482
5,602
5,776
3.00
8.0
56
35,667
10.45
58,366
17.11
61,142
17.92
4,500
5,625
5,799
3.00
8.0
57
36,100
10.58
58,549
17.16
61,263
17.96
4,518
5,647
5,822
3.00
8.0
58
36,534
10.71
58,733
17.21
61,384
17.99
4,535
5,669
5,845
3.00
8.0
59
36,967
10.83
58,916
17.27
61,505
18.03
4,553
5,692
5,868
3.00
8.0
60
37,401
10.96
59,099
17.32
61,626
18.06
4,571
5,714
5,891
3.00
8.0
61
37,834
11.09
59,282
17.37
61,747
18.10
4,589
5,736
5,914
3.00
8.0
62
38,268
11.22
59,465
17.43
61,868
18.13
4,607
5,759
5,937
3.00
8.0
63
38,701
11.34
59,648
17.48
61,989
18.17
4,625
5,781
5,960
3.00
8.0
64
39,135
11.47
59,832
17.54
62,111
18.20
4,643
5,803
5,983
3.00
8.0
65
39,568
11.60
60,015
17.59
62,232
18.24
4,661
5,826
6,006
3.00
8.0
66
40,002
11.72
60,198
17.64
62,353
18.27
4,678
5,848
6,029
3.00
8.0
67
40,435
11.85
60,381
17.70
62,474
18.31
4,696
5,870
6,052
3.00
8.0
68
40,869
11.98
60,564
17.75
62,595
18.35
4,714
5,893
6,075
3.00
8.0
69
41,302
12.10
60,747
17.80
62,716
18.38
4,732
5,915
6,098
3.00
8.0
70
41,736
12.23
60,931
17.86
62,837
18.42
4,750
5,937
6,121
3.00
8.0
71
42,169
12.36
61,114
17.91
62,958
18.45
4,768
5,960
6,144
3.00
8.0
72
42,603
12.49
61,297
17.97
63,079
18.49
4,786
5,982
6,167
3.00
8.0
73
43,036
12.61
61,480
18.02
63,200
18.52
4,803
6,004
6,190
3.00
8.0
Table 283:
LMU540HV with Ducted Indoor Units — Rated Heating Combination Table.
PERFORMANCE DATA
Rated Heating Combination Tables
1
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.
2
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).
3
Wiring cable size must comply with the applicable local and national codes.
4
The specification may be subject to change without prior notice for purpose of improvement.
5
Sum of connected indoor units capacity is 24~73 kBtu/h.
6
At least two indoor units should be connected.
MULTI F MAX OUTDOOR UNIT | 297
Multi F MAX Outdoor Unit Data
Due to our policy of continuous product innovation, some specifications may change without notification.
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LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
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