Multi F Engineering Manual

Model No. /
Nominal Capacity
of Indoor Unit
(Btu/h)
Outdoor Air
Temp.
(°F DB)
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68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90 / 75
TCSHCTCSHCTCSHCTCSHCTCSHCTCSHC
LDN187HV4
18,000
14 17.65 13.09 18.74 13.83 19.84 13.39 20.63 13.67 22.03 13.79 23.12 14.05
20 17.63 13.20 18.73 13.94 19.82 13.50 20.61 13.78 22.01 13.90 23.11 14.16
25 17.62 13.30 18.71 14.05 19.81 13.60 20.60 13.89 22.00 14.01 23.09 14.27
30 17.60 13.40 18.70 14.16 19.79 13.71 20.58 13.99 21.98 14.11 23.07 14.38
35 17.59 13.50 18.68 14.26 19.78 13.81 20.57 14.10 21.96 14.22 23.05 14.49
40 17.58 13.60 18.67 14.37 19.76 13.91 20.55 14.21 21.94 14.33 23.04 14.60
45 17.56 13.71 18.66 14.48 19.75 14.02 20.53 14.31 21.93 14.43 23.02 14.71
50 17.55 13.81 18.64 14.58 19.73 14.12 20.52 14.42 21.91 14.54 23.00 14.82
55 17.54 13.91 18.63 14.69 19.72 14.23 20.50 14.52 21.89 14.65 22.98 14.92
60 17.52 14.01 18.61 14.80 19.70 14.33 20.49 14.63 21.88 14.75 22.97 15.03
65 17.51 14.11 18.60 14.90 19.69 14.43 20.47 14.74 21.86 14.86 22.95 15.14
70 17.50 14.21 18.58 15.01 19.67 14.53 20.46 14.84 21.84 14.97 22.93 15.25
75 17.08 13.98 18.16 14.78 19.24 14.33 20.03 14.64 21.41 14.78 22.50 15.08
80 16.66 13.74 17.74 14.55 18.82 14.12 19.60 14.44 20.98 14.60 22.06 14.90
85 16.24 13.49 17.32 14.30 18.40 13.90 19.17 14.23 20.55 14.40 21.63 14.71
90 15.82 13.23 16.90 14.06 17.97 13.68 18.75 14.01 20.12 14.20 21.20 14.52
95 15.37 13.09 16.44 13.93 17.51 13.57 18.00 13.70 19.65 14.12 20.72 14.46
100 14.99 12.74 16.06 13.58 17.13 13.25 17.77 13.49 19.28 13.82 20.35 14.16
105 14.62 12.39 15.69 13.23 16.76 12.93 17.53 13.28 18.90 13.52 19.97 13.86
110 14.24 11.97 15.32 12.80 16.39 12.53 17.16 12.88 18.53 13.13 19.60 13.48
115 13.87 11.61 14.94 12.44 16.01 12.19 16.79 12.55 18.15 12.82 19.22 13.18
118 13.65 11.53 14.72 12.36 15.79 12.13 16.56 12.50 17.93 12.77 19.00 13.14
122 13.57 11.50 14.64 12.34 15.71 12.11 16.49 12.48 17.85 12.76 18.92 13.13
7DEOH Multi F Ceiling-Concealed Duct (Low Static) Indoor Units Cooling Capacity Table (continued).
DUCT (LOW STATIC) INDOOR UNITS
Cooling Capacity Table
TC = Total Capacity (kBtu/h).
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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.
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DUCT (LOW STATIC) | 77
Ceiling-Concealed Duct (Low Static)
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