
Due to our policy of continuous product innovation, some specifications may change without notification.
©
LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
24 | MULTI F OUTDOOR UNIT
Multi F and Multi F MAX Heat Pump System Engineering Manual
MULTI
F
MAX
MULTI
F
Table 17:
LMU24CHV with Non-Ducted and Ducted Indoor Units — Rated Cooling Combination Table.
No. of
Indoor
Units
Indoor Unit Combination
(kBtu/h)
Room Capacity
Total Capacity
Input (W)
EER SEER
IDU
1
IDU
2
IDU
3
IDU
4 Total
Unit 1
(Btu/h)
Unit 2
(Btu/h)
Unit 3
(Btu/h)
Unit 4
(Btu/h)
Minimum
Rated
Maximum
Min. Rated Max.
Btu/h
kW
Btu/h
kW
Btu/h
kW
Non-Ducted Indoor Units
Two
Units
7
7
-
-
14 7,000 7,000
-
-
8,400 2.46 14,000 4.10 16,800 4.92 798 1,140 1,596 12.3 19.7
7
9
-
-
16 7,000 9,000
-
-
9,600 2.81 16,000 4.69 19,200 5.63 903 1,290 1,806 12.4 19.9
9
9
-
-
18 9,000 9,000
-
-
10,800 3.17 18,000 5.28 21,600 6.33 1,008 1,440 2,016 12.5 20.1
7
12
-
-
19 7,000 12,000
-
-
11,400 3.34 19,000 5.57 22,800 6.68 1,057 1,510 2,114 12.6 20.2
9
12
-
-
21 8,571 11,429
-
-
12,000 3.52 20,000 5.86 24,000 7.03 1,106 1,580 2,212 12.7 20.3
7
15
-
-
22 6,364 13,636
-
-
12,000 3.52 20,000 5.86 24,000 7.03 1,106 1,580 2,212 12.7 20.3
9
15
-
-
24 7,500 12,500
-
-
12,000 3.52 20,000 5.86 24,000 7.03 1,106 1,580 2,212 12.7 20.3
12 12
-
-
24 10,000 10,000
-
-
12,000 3.52 20,000 5.86 24,000 7.03 1,106 1,580 2,212 12.7 20.3
7
18
-
-
25 5,600 14,400
-
-
12,000 3.52 20,000 5.86 24,000 7.03 1,106 1,580 2,212 12.7 20.3
9
18
-
-
27 6,667 13,333
-
-
12,000 3.52 20,000 5.86 24,000 7.03 1,106 1,580 2,212 12.7 20.3
12 15
-
-
27 8,889 11,111
-
-
12,000 3.52 20,000 5.86 24,000 7.03 1,106 1,580 2,212 12.7 20.3
12 18
-
-
30 8,000 12,000
-
-
12,000 3.52 20,000 5.86 24,000 7.03 1,106 1,580 2,212 12.7 20.3
15 15
-
-
30 10,000 10,000
-
-
12,000 3.52 20,000 5.86 24,000 7.03 1,106 1,580 2,212 12.7 20.3
7
24
-
-
31 4,516 15,484
-
-
12,000 3.52 20,000 5.86 24,000 7.03 1,106 1,580 2,212 12.7 20.3
9
24
-
-
33 5,455 14,545
-
-
12,000 3.52 20,000 5.86 24,000 7.03 1,106 1,580 2,212 12.7 20.3
15 18
-
-
33 9,091 10,909
-
-
12,000 3.52 20,000 5.86 24,000 7.03 1,106 1,580 2,212 12.7 20.3
Three
Units
7
7
7
-
21 6,667 6,667 6,667
-
12,000 3.52 20,000 5.86 25,000 7.33 1,037 1,481 2,073 13.5 21.7
7
7
9
23 6,087 6,087 7,826
-
12,000 3.52 20,000 5.86 25,000 7.33 1,037 1,481 2,073 13.5 21.7
7
9
9
25 5,600 7,200 7,200
-
12,000 3.52 20,000 5.86 25,000 7.33 1,037 1,481 2,073 13.5 21.7
7
7
12
26 5,385 5,385 9,231
-
12,000 3.52 20,000 5.86 25,000 7.33 1,037 1,481 2,073 13.5 21.7
9
9
9
-
27 6,667 6,667 6,667
-
12,000 3.52 20,000 5.86 25,000 7.33 1,037 1,481 2,073 13.5 21.7
7
9
12
28 5,000 6,429 8,571
-
12,000 3.52 20,000 5.86 25,000 7.33 1,037 1,481 2,073 13.5 21.7
7
7
15
29 4,828 4,828 10,345
-
12,000 3.52 20,000 5.86 25,000 7.33 1,037 1,481 2,073 13.5 21.7
9
9
12
-
30 6,000 6,000 8,000
-
12,000 3.52 20,000 5.86 25,000 7.33 1,037 1,481 2,073 13.5 21.7
7
9
15
31 4,516 5,806 9,677
-
12,000 3.52 20,000 5.86 25,000 7.33 1,037 1,481 2,073 13.5 21.7
7
12 12
31 4,516 7,742 7,742
-
12,000 3.52 20,000 5.86 25,000 7.33 1,037 1,481 2,073 13.5 21.7
7
7
18
32 4,375 4,375 11,250
-
12,000 3.52 20,000 5.86 25,000 7.33 1,037 1,481 2,073 13.5 21.7
9
9
15
33 5,455 5,455 9,091
-
12,000 3.52 20,000 5.86 25,000 7.33 1,037 1,481 2,073 13.5 21.7
9
12 12
-
33 5,455 7,273 7,273
-
12,000 3.52 20,000 5.86 25,000 7.33 1,037 1,481 2,073 13.5 21.7
Ducted Indoor Units
Two
Units
9
9
-
-
18 8,010 8,010
-
-
9,612 2.82 16,020 4.70 19,224 5.63 1,054 1,505 2,107 10.6 16.2
9
12
-
-
21 7,629 10,171
-
-
10,680 3.13 17,800 5.22 21,360 6.26 1,156 1,651 2,312 10.8 16.4
12 12
-
-
24 8,900 8,900
-
-
10,680 3.13 17,800 5.22 21,360 6.26 1,156 1,651 2,312 10.8 16.4
9
18
-
-
27 5,933 11,867
-
-
10,680 3.13 17,800 5.22 21,360 6.26 1,156 1,651 2,312 10.8 16.4
12 18
-
-
30 7,120 10,680
-
-
10,680 3.13 17,800 5.22 21,360 6.26 1,156 1,651 2,312 10.8 16.4
Three
Units
9
9
9
-
27 5,933 5,933 5,933
-
10,680 3.13 17,800 5.22 22,250 6.52 1,084 1,548 2,167 11.5 17.5
9
9
12
-
30 5,340 5,340 7,120
-
10,680 3.13 17,800 5.22 22,250 6.52 1,084 1,548 2,167 11.5 17.5
9
12 12
-
33 4,855 6,473 6,473
-
10,680 3.13 17,800 5.22 22,250 6.52 1,084 1,548 2,167 11.5 17.5
1
Capacity as rated:
0 ft. above sea level with 25 ft. of refrigerant piping.
0 ft. level difference between outdoor and indoor units.
2
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).
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.
*
At least two indoor units should be connected.
Rated Cooling Combination Tables
PERFORMANCE DATA