Engineering Manual

Table 44: Multi F Ceiling-Concealed Duct (Low Static) Indoor Units Heating Capacity Table.
DUCT (LOW STATIC) INDOOR UNITS
Heating Capacity Table
Model No. /
Nominal Capacity of
Indoor Unit
(Btu/h)
Outdoor Air Temp. Indoor Air Temp. °F DB
°F DB °F WB
61 64 68 70 72 75
TC TC TC TC TC TC
LMDN096HV
9,000
0 -0.4 5.35 5.28 5.23 5.20 5.12 4.90
5 4.5 6.03 5.95 5.90 5.88 5.80 5.58
10 9 6.71 6.63 6.58 6.56 6.48 6.26
17 15 7.61 7.54 7.49 7.46 7.39 7.14
20 19 7.95 7.88 7.83 7.80 7.72 7.46
25 23 8.52 8.44 8.39 8.37 8.29 7.99
30 28 9.01 8.93 8.88 8.86 8.78 8.52
35 32 9.50 9.42 9.37 9.34 9.27 9.04
40 36 9.94 9.86 9.81 9.78 9.71 9.48
45 41 10.37 10.30 10.25 10.22 10.15 9.92
47 43 10.55 10.48 10.43 10.40 10.32 10.10
50 46 10.72 10.64 10.59 10.57 10.49 10.24
55 51 11.00 10.93 10.88 10.85 10.78 10.48
60 56 11.00 10.93 10.88 10.85 10.78 10.52
63 59 11.00 10.93 10.88 10.85 10.78 10.55
68 64 11.00 10.93 10.88 10.85 10.78 10.60
LMDN126HV
12,000
0 -0.4 7.10 7.00 6.93 6.90 6.80 6.50
5 4.5 8.00 7.90 7.83 7.80 7.70 7.40
10 9 8.90 8.80 8.73 8.70 8.60 8.30
17 15 10.10 10.00 9.93 9.90 9.80 9.48
20 19 10.55 10.45 10.38 10.35 10.25 9.90
25 23 11.30 11.20 11.13 11.10 11.00 10.60
30 28 11.95 11.85 11.78 11.75 11.65 11.30
35 32 12.60 12.50 12.43 12.40 12.30 12.00
40 36 13.18 13.08 13.02 12.98 12.88 12.58
45 41 13.77 13.67 13.60 13.57 13.47 13.17
47 43 14.00 13.90 13.83 13.80 13.70 13.40
50 46 14.23 14.13 14.06 14.03 13.93 13.59
55 51 14.60 14.50 14.43 14.40 14.30 13.90
60 56 14.60 14.50 14.43 14.40 14.30 13.96
63 59 14.60 14.50 14.43 14.40 14.30 14.00
68 64 14.60 14.50 14.43 14.40 14.30 14.06
LMDN186HV
18,000
0 -0.4 10.70 10.55 10.45 10.40 10.25 9.80
5 4.5 12.06 11.91 11.81 11.76 11.61 11.15
10 9 13.41 13.26 13.16 13.11 12.96 12.51
17 15 15.22 15.07 14.97 14.92 14.77 14.29
20 19 15.90 15.75 15.65 15.60 15.45 14.92
25 23 17.03 16.88 16.78 16.73 16.58 15.98
30 28 18.01 17.86 17.76 17.71 17.56 17.03
35 32 18.99 18.84 18.74 18.69 18.54 18.09
40 36 19.87 19.72 19.62 19.57 19.42 18.97
45 41 20.75 20.60 20.50 20.45 20.30 19.85
47 43 21.10 20.95 20.85 20.80 20.65 20.20
50 46 21.44 21.29 21.19 21.14 20.99 20.48
55 51 22.01 21.86 21.75 21.70 21.55 20.95
60 56 22.01 21.86 21.75 21.70 21.55 21.04
63 59 22.01 21.86 21.75 21.70
21.55 21.10
68 64 22.01 21.86 21.75 21.70 21.55 21.20
TC = Total Capacity (kBtu/h).
Nominal capacity as rated 0 ft. above sea level and a 0 ft. level difference between outdoor and indoor
units. Corresponding refrigerant piping length is accordance with standard length of each outdoor unit.
Nominal 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).
DUCT (LOW STATIC) | 95
Ceiling-Concealed Duct (Low Static)
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