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38 | MULTI F OUTDOOR UNIT
Multi F and Multi F MAX Heat Pump System Engineering Manual
MULTI
F
MAX
MULTI
F
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.
*The indoor unit must be non ducted type.
Table 31:
LMU36CHV with Mixed 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
Mixed Indoor Units
Three
Units
9 18 18
-
45 7,000 14,000 14,000
-
21,000 6.2 35,000 10.3 40,250 11.8 2,015 2,878 4,029 3.6
9.5
12 15 18
-
45 9,333 11,667 14,000
-
21,000 6.2 35,000 10.3 40,250 11.8 2,015 2,878 4,029 3.6
9.5
7 15 24* -
46 5,326 11,413 18,261
-
21,000 6.2 35,000 10.3 40,250 11.8 2,015 2,878 4,029 3.6
9.5
9 15 24* -
48 6,563 10,938 17,500
-
21,000 6.2 35,000 10.3 40,250 11.8 2,015 2,878 4,029 3.6
9.5
12 12 24* -
48 8,750 8,750 17,500
-
21,000 6.2 35,000 10.3 40,250 11.8 2,015 2,878 4,029 3.6
9.5
12 18 18
-
48 8,750 13,125 13,125
-
21,000 6.2 35,000 10.3 40,250 11.8 2,015 2,878 4,029 3.6
9.5
15 15 18
-
48 10,938 10,938 13,125
-
21,000 6.2 35,000 10.3 40,250 11.8 2,015 2,878 4,029 3.6
9.5
Four
Units
7
7
7
9
30 7,486 7,486 7,486 9,625 19,250 5.6 32,083 9.4 38,500 11.3 1,915 2,736 3,830 3.4
9.2
7
7
9
9
32 7,486 7,486 9,625 9,625 20,533 6.0 34,222 10.0 41,600 12.2 1,951 2,787 3,901 3.6
9.6
7
7
7 12 33 7,424 7,424 7,424 12,727 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
7
9
9
9
34 7,206 9,265 9,265 9,265 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
7
7
9 12 35 7,000 7,000 9,000 12,000 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
9
9
9
9
36 8,750 8,750 8,750 8,750 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
7
9
9 12 37 6,622 8,514 8,514 11,351 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
7
7
9 15 38 6,447 6,447 8,289 13,816 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
7
7 12 12 38 6,447 6,447 11,053 11,053 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
7
7
7 18 39 6,282 6,282 6,282 16,154 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
9
9
9 12 39 8,077 8,077 8,077 10,769 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
7
9
9 15 40 6,125 7,875 7,875 13,125 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
7
9 12 12 40 6,125 7,875 10,500 10,500 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
7
7
9 18 41 5,976 5,976 7,683 15,366 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
7
7 12 15 41 5,976 5,976 10,244 12,805 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
9
9
9 15 42 7,500 7,500 7,500 12,500 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
9
9 12 12 42 7,500 7,500 10,000 10,000 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
7
9
9 18 43 5,698 7,326 7,326 14,651 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
7
9 12 15 43 5,698 7,326 9,767 12,209 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
7 12 12 12 43 5,698 9,767 9,767 9,767 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
7
7 12 18 44 5,568 5,568 9,545 14,318 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
7
7
7 24* 45 5,444 5,444 5,444 18,667 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
9
9
9 18 45 7,000 7,000 7,000 14,000 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
9
9 12 15 45 7,000 7,000 9,333 11,667 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
9 12 12 12 45 7,000 9,333 9,333 9,333 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
7
9 12 18 46 5,326 6,848 9,130 13,696 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
7
9 15 15 46 5,326 6,848 11,413 11,413 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
7 12 12 15 46 5,326 9,130 9,130 11,413 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
7
7
9 24* 47 5,213 5,213 6,702 17,872 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
7
7 15 18 47 5,213 5,213 11,170 13,404 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
9
9 12 18 48 6,563 6,563 8,750 13,125 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
9
9 15 15 48 6,563 6,563 10,938 10,938 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
12 12 12 12 48 8,750 8,750 8,750 8,750 21,000 6.2 35,000 10.3 41,600 12.2 1,951 2,787 3,901 3.7
9.9
Rated Heating Combination Tables
PERFORMANCE DATA