Owner's Manual
Due to our policy of continuous product innovation, some specications may change without notication.
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34 | MULTI F OUTDOOR UNIT
Multi F and Multi F MAX Heat Pump System Engineering Manual
MULTI
F
MAX
MULTI
F
No. of
Indoor
Units
Indoor Unit Combination
(kBtu/h)
Room Capacity Total Capacity Input (W)
COP HSPF
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 7,700 7,700 - - 9,240 2.71 15,400 4.51 16,940 4.96 1,127 1,610 2,254 2.8 7.3
7 9 - - 16 7,700 9,900 - - 10,560 3.09 17,600 5.16 19,360 5.67 1,246 1,780 2,492 2.9 7.5
9 9 - - 18 9,900 9,900 - - 11,880 3.48 19,800 5.80 21,780 6.38 1,379 1,970 2,758 2.9 7.6
7 12 - - 19 7,700 13,200 - - 12,540 3.68 20,900 6.13 22,990 6.74 1,435 2,050 2,870 3.0 7.8
9 12 - - 21 9,900 13,200 - - 13,860 4.06 23,100 6.77 25,410 7.45 1,554 2,220 3,108 3.0 7.9
7 15 - - 22 7,700 16,500 - - 14,520 4.26 24,200 7.09 26,620 7.80 1,603 2,290 3,206 3.1 8.0
9 15 - - 24 9,900 16,500 - - 15,840 4.64 26,400 7.74 29,040 8.51 1,701 2,430 3,402 3.2 8.3
12 12 - - 24 13,200 13,200 - - 15,840 4.64 26,400 7.74 29,040 8.51 1,701 2,430 3,402 3.2 8.3
7 18 - - 25 7,700 19,800 - - 16,500 4.84 27,500 8.06 30,250 8.87 1,757 2,510 3,514 3.2 8.3
9 18 - - 27 9,900 19,800 - - 17,820 5.22 29,700 8.70 32,670 9.58 1,869 2,670 3,738 3.3 8.5
12 15 - - 27 13,200 16,500 - - 17,820 5.22 29,700 8.70 32,670 9.58 1,869 2,670 3,738 3.3 8.5
12 18 - - 30 13,200 19,800 - - 19,800 5.80 33,000 9.67 36,300 10.64 2,016 2,880 4,032 3.4 8.7
15 15 - - 30 16,500 16,500 - - 19,800 5.80 33,000 9.67 36,300 10.64 2,016 2,880 4,032 3.4 8.7
7 24 - - 31 7,700 26,400 - - 20,460 6.00 34,100 9.99 37,510 10.99 2,058 2,940 4,116 3.4 8.8
9 24 - - 33 9,818 26,182 - - 21,600 6.33 36,000 10.55 39,600 11.61 2,107 3,010 4,214 3.5 9.1
15 18 - - 33 16,364 19,636 - - 21,600 6.33 36,000 10.55 39,600 11.61 2,107 3,010 4,214 3.5 9.1
18 18 - - 36 18,000 18,000 - - 21,600 6.33 36,000 10.55 39,600 11.61 2,107 3,010 4,214 3.5 9.1
12 24 - - 36 12,000 24,000 - - 21,600 6.33 36,000 10.55 39,600 11.61 2,107 3,010 4,214
3.5 9.1
15 24 - - 39 13,846 22,154 - - 21,600 6.33 36,000 10.55 39,600 11.61 2,107 3,010 4,214 3.5 9.1
18 24 - - 42 15,429 20,571 - - 21,600 6.33 36,000 10.55 39,600 11.61 2,107 3,010 4,214 3.5 9.1
24 24 - - 48 18,000 18,000 - - 21,600 6.33 36,000 10.55 39,600 11.61 2,107 3,010 4,214 3.5 9.1
Three
Units
7 7 7 - 21 7,700 7,700 7,700 - 13,860 4.06 23,100 6.77 26,565 7.79 1,512 2,160 3,024 3.1 8.1
7 7 9 - 23 7,700 7,700 9,900 - 15,180 4.45 25,300 7.42 29,095 8.53 1,617 2,310 3,234 3.2 8.3
7 9 9 - 25 7,700 9,900 9,900 - 16,500 4.84 27,500 8.06 31,625 9.27 1,729 2,470 3,458 3.3 8.5
7 7 12 - 26 7,700 7,700 13,200 - 17,160 5.03 28,600 8.38 32,890 9.64 1,757 2,510 3,514 3.3 8.7
9 9 9 - 27 9,900 9,900 9,900 - 17,820 5.22 29,700 8.70 34,155 10.01 1,785 2,550 3,570 3.4 8.9
7 9 12 - 28 7,700 9,900 13,200 - 18,480 5.42 30,800 9.03 35,420 10.38 1,820 2,600 3,640 3.5 9.0
7 7 15 - 29 7,700 7,700 16,500 - 19,140 5.61 31,900 9.35 36,685 10.75 1,855 2,650 3,710 3.5 9.2
9 9 12 - 30 9,900 9,900 13,200 - 19,800 5.80 33,000 9.67 37,950 11.12 1,897 2,710 3,794 3.6 9.3
7 9 15 - 31 7,700 9,900 16,500 - 20,460 6.00 34,100 9.99 39,215 11.49 1,939 2,770 3,878 3.6 9.4
7 12 12 - 31 7,700 13,200 13,200 - 20,460 6.00 34,100 9.99 39,215 11.49 1,939 2,770 3,878 3.6 9.4
7 7 18 - 32 7,700 7,700 19,800 - 21,120 6.19 35,200 10.32 40,480 11.86 1,981 2,830 3,962 3.6 9.5
9 9 15 - 33 9,818 9,818 16,364 - 21,600 6.33 36,000 10.55 41,400 12.13 1,981 2,830 3,962 3.7 9.7
9 12 12 - 33 9,818 13,091 13,091 - 21,600 6.33 36,000 10.55 41,400 12.13 1,981 2,830 3,962 3.7 9.7
7 9 18 - 34 7,412 9,529 19,059 - 21,600 6.33 36,000 10.55 41,400 12.13 1,981 2,830 3,962 3.7 9.7
7 12 15 - 34 7,412 12,706 15,882 - 21,600 6.33 36,000 10.55 41,400 12.13 1,981 2,830 3,962 3.7 9.7
9 9 18 - 36 9,000 9,000 18,000 - 21,600 6.33 36,000 10.55 41,400 12.13 1,981 2,830 3,962 3.7 9.7
9 12 15 - 36 9,000 12,000 15,000 - 21,600 6.33 36,000 10.55 41,400 12.13 1,981
2,830 3,962 3.7 9.7
12 12 12 - 36 12,000 12,000 12,000 - 21,600 6.33 36,000 10.55 41,400 12.13 1,981 2,830 3,962 3.7 9.7
7 12 18 - 37 6,811 11,676 17,514 - 21,600 6.33 36,000 10.55 41,400 12.13 1,981 2,830 3,962 3.7 9.7
7 15 15 - 37 6,811 14,595 14,595 - 21,600 6.33 36,000 10.55 41,400 12.13 1,981 2,830 3,962 3.7 9.7
7 7 24 - 38 6,632 6,632 22,737 - 21,600 6.33 36,000 10.55 41,400 12.13 1,981 2,830 3,962 3.7 9.7
9 12 18 - 39 8,308 11,077 16,615 - 21,600 6.33 36,000 10.55 41,400 12.13 1,981 2,830 3,962 3.7 9.7
9 15 15 - 39 8,308 13,846 13,846 - 21,600 6.33 36,000 10.55 41,400 12.13 1,981 2,830 3,962 3.7 9.7
12 12 15 - 39 11,077 11,077 13,846 - 21,600 6.33 36,000 10.55 41,400 12.13 1,981 2,830 3,962 3.7 9.7
7 9 24 - 40 6,300 8,100 21,600 - 21,600 6.33 36,000 10.55 41,400 12.13 1,981 2,830 3,962 3.7 9.7
7 15 18 - 40 6,300 13,500 16,200 - 21,600 6.33 36,000 10.55 41,400 12.13 1,981 2,830 3,962 3.7 9.7
9 9 24 - 42 7,714 7,714 20,571 - 21,600 6.33 36,000 10.55 41,400 12.13 1,981 2,830 3,962 3.7 9.7
9 15 18 - 42 7,714 12,857 15,429 - 21,600 6.33 36,000 10.55 41,400 12.13 1,981 2,830 3,962 3.7 9.7
Table 27: LMU36CHV with Non-Ducted Indoor Units — Rated Heating Combination Table.
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
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
At least two indoor units should be connected.
Rated Heating Combination Tables
PERFORMANCE DATA