Owners Manual

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36 | MULTI F OUTDOOR UNIT
Multi F and Multi F MAX Heat Pump System Engineering Manual
MULTI
F
MAX
MULTI
F
Rated Heating Combination Tables
PERFORMANCE DATA
Table 29: LMU36CHV with Ducted Indoor Units — Rated Heating Combination Table.
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
Ducted Indoor Units
Two
Units
9 9 - - 18 9,350 9,350 - - 11,220 3.3 18,700 5.5 20,570 6.0 1,426 2,037 2,852 2.7 7.4
9 12 - - 21 9,350 12,467 - - 13,090 3.8 21,817 6.4 23,998 7.0 1,607 2,295 3,213 2.8 7.7
12 12 - - 24 12,467 12,467 - - 14,960 4.4 24,933 7.3 27,427 8.0 1,759 2,512 3,517 2.9 8.0
9 18 - - 27 9,350 18,700 - - 16,830 4.9 28,050 8.2 30,855 9.0 1,932 2,761 3,865 3.0 8.2
12 18 - - 30 12,467 18,700 - - 18,700 5.5 31,167 9.1 34,283 10.0 2,084 2,978 4,169 3.1 8.5
9 24* - - 33 9,273 24,727 - - 20,400 6.0 34,000 10.0 37,400 11.0 2,179 3,112 4,357 3.2 8.8
18 18 - - 36 17,000 17,000 - - 20,400 6.0 34,000 10.0 37,400 11.0 2,179 3,112 4,357 3.2 8.8
12 24* - - 36 11,333 22,667 - - 20,400 6.0 34,000 10.0 37,400 11.0 2,179 3,112 4,357 3.2 8.8
Three
Units
9 9 9 - 27 9,350 9,350 9,350 - 16,830 4.9 28,050 8.2 32,258 9.5 1,846 2,637 3,691 3.1 8.6
9 9 12 - 30 9,350 9,350 12,467 - 18,700 5.5 31,167 9.1 35,842 10.5 1,961 2,802 3,923 3.3 9.0
9 12 12 - 33 9,273 12,364 12,364 - 20,400 6.0 34,000 10.0 39,100 11.5 2,048 2,926 4,096 3.4 9.4
9 9 18 - 36 8,500 8,500 17,000 - 20,400 6.0 34,000 10.0 39,100 11.5 2,048 2,926 4,096 3.4 9.4
12 12 12 - 36 11,333 11,333 11,333 - 20,400 6.0 34,000 10.0 39,100 11.5 2,048 2,926 4,096 3.4 9.4
9 12 18 - 39 7,846 10,462 15,692 - 20,400 6.0 34,000 10.0 39,100 11.5 2,048 2,926 4,096 3.4 9.4
12 12 18 - 42 9,714 9,714 14,571 - 20,400 6.0 34,000 10.0 39,100 11.5 2,048 2,926 4,096 3.4 9.4
9 18 18 - 45 6,800 13,600 13,600 - 20,400 6.0 34,000 10.0 39,100 11.5 2,048 2,926 4,096 3.4 9.4
12 18 18 - 48 8,500 12,750 12,750 - 20,400 6.0 34,000 10.0 39,100 11.5 2,048 2,926 4,096 3.4 9.4
Four
Units
9 9 9 9 36 8,500 8,500 8,500 8,500 20,400 6.0 34,000 10.0 41,600
12.2 1,983 2,833 3,966 3.5 9.7
9 9 9 12 39 7,846 7,846 7,846 10,462 20,400 6.0 34,000 10.0 41,600 12.2 1,983 2,833 3,966 3.5 9.7
9 9 12 12 42 7,286 7,286 9,714 9,714 20,400 6.0 34,000 10.0 41,600 12.2 1,983 2,833 3,966 3.5 9.7
9 9 9 18 45 6,800 6,800 6,800 13,600 20,400 6.0 34,000 10.0 41,600 12.2 1,983 2,833 3,966 3.5 9.7
9 12 12 12 45 6,800 9,067 9,067 9,067 20,400 6.0 34,000 10.0 41,600 12.2 1,983 2,833 3,966 3.5 9.7
9 9 12 18 48 6,375 6,375 8,500 12,750 20,400 6.0 34,000 10.0 41,600 12.2 1,983 2,833 3,966 3.5 9.7
12 12 12 12 48 8,500 8,500 8,500 8,500 20,400 6.0 34,000 10.0 41,600 12.2 1,983 2,833 3,966 3.5 9.7
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.
*A 1.3 multiplier is necessary for the calculation of total combination.