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Specification Guide

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Heating Capacity Tables
PERFORMANCE DATA
Table 23: LD097HV4 Ceiling-Concealed Ducted (Low Static) System Heating Capacity Table.
Table 24: LD127HV4 Ceiling-Concealed Ducted (Low Static) System Heating Capacity Table.
Model No. /
Nominal Capacity
(Btu/h)
Outdoor Air Temp. Indoor Air Temp. °F DB
°F DB °F WB
61 64 68 70 72 75
TC PI TC PI TC PI TC PI TC PI TC PI
LD097HV4 / 9,000
-4 -4.4 8.12 0.86 7.68 0.90 7.53 0.90 7.42 0.91 7.33 0.91 7.03 0.95
0 -0.4 8.58 0.89 8.16 0.93 7.98 0.94 7.85 0.95 7.75 0.95 7.43 0.99
5 4.5 9.14 0.93 8.74 0.96 8.52 0.98 8.38 0.99 8.26 1.00 7.93 1.04
10 9 9.66 0.97 9.28 1.00 9.01 1.02 8.86 1.04 8.73 1.05 8.39 1.08
17 15 10.35 1.01 9.99 1.05 9.68 1.08 9.50 1.10 9.36 1.11 9.00 1.14
20 19 10.81 1.04 10.47 1.08 10.12 1.11 9.93 1.13 9.78 1.15 9.41 1.18
25 23 11.58 1.10 11.24 1.13 10.85 1.17 10.64 1.20 10.48 1.22 10.08 1.25
30 28 12.36 1.16 11.98 1.20 11.57 1.24 11.36 1.26 11.19 1.28 10.78 1.32
35 32 13.14 1.22 12.73 1.26 12.29 1.30 12.07 1.33 11.89 1.35 11.46 1.38
40 36 13.81 1.26 13.43 1.30 13.00 1.34 12.77 1.36 12.59 1.39 12.14 1.42
45 41 14.65 1.30 14.30 1.34 13.88 1.39 13.65 1.41 13.46 1.43 12.98 1.47
47 43 14.99 1.32 14.65 1.36 14.23 1.41 14.00 1.43 13.81 1.45 13.31 1.49
50 46 15.03 1.31 14.73 1.35 14.36 1.39 14.15 1.41 13.99 1.43 13.52 1.46
55 51 15.10 1.30 14.85 1.33 14.58 1.36 14.41 1.38 14.28 1.39 13.85 1.42
60 56 15.18 1.28 14.98 1.31 14.80 1.33 14.67 1.34 14.57 1.35 14.19 1.37
63 59 15.22 1.27 15.05 1.29 14.92 1.31 14.82 1.32 14.74 1.33 14.40 1.34
68 64 15.26 1.27 15.13 1.28 15.06 1.30 14.98 1.30 14.92 1.30 14.61 1.31
TC = Total Capacity (kBtu/h).
PI = Power input (KW). Power input (KW) includes compressor and fan(s).
Nominal capacity as rated 0 ft. above sea level and a 0 ft. level difference between outdoor and indoor
unit. 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).
Model No. /
Nominal Capacity
(Btu/h)
Outdoor Air Temp. Indoor Air Temp. °F DB
°F DB °F WB
61 64 68 70 72 75
TC PI TC PI TC PI TC PI TC PI TC PI
LD127HV4 / 12,000
-4 -4.4 5.93 0.93 5.48 0.97 5.46 0.98 5.40 0.99 5.35 0.99 5.11 1.03
0 -0.4 7.22 0.94 6.79 0.98 6.68 1.00 6.59 1.00 6.52 1.01 6.24 1.05
5 4.5 8.75 0.96 8.34 1.00 8.14 1.02 8.01 1.03 7.90 1.04 7.58 1.07
10 9 9.77 0.98 9.37 1.01 9.11 1.04 8.96 1.05 8.83 1.06 8.48 1.10
17 15 10.89 1.00 10.52 1.03 10.18 1.06 10.00 1.08 9.85 1.09 9.47 1.13
20 19 11.58 1.01 11.21 1.04 10.83 1.08 10.63 1.10 10.47 1.12 10.07 1.15
25 23 12.72 1.04 12.34 1.07 11.91 1.11 11.69 1.13 11.51 1.15 11.07 1.18
30 28 13.87 1.07 13.44 1.11 12.98 1.14 12.74 1.16 12.55 1.18 12.09 1.21
35 32 15.02 1.10 14.54 1.14 14.05 1.17 13.80 1.20 13.59 1.22 13.10 1.25
40 36 15.79 1.13 15.34 1.17 14.85 1.21 14.60 1.23 14.39 1.25 13.87 1.28
45 41 16.74 1.17 16.34 1.21 15.86 1.25 15.60 1.27 15.39 1.29 14.83 1.33
47 43 17.13 1.19 16.74 1.23 16.27 1.27 16.00 1.29 15.79 1.31 15.21 1.35
50 46 17.18 1.18 16.83 1.22 16.41 1.25 16.18 1.27 15.99 1.29 15.45 1.32
55 51 17.26 1.17 16.97 1.20 16.66 1.23 16.47 1.24 16.32 1.25 15.83 1.28
60 56 17.34 1.16 17.12 1.18 16.91 1.20 16.76 1.21 16.65 1.22 16.22 1.24
63 59 17.40 1.15 17.21 1.17 17.06 1.19 16.94 1.19 16.85 1.20 16.46 1.21
68 64 17.45 1.14 17.29 1.16 17.21 1.17 17.12 1.17 17.05 1.18 16.69 1.19
TC = Total Capacity (kBtu/h).
PI = Power input (KW). Power input (KW) includes compressor and fan(s).
Nominal capacity as rated 0 ft. above sea level and a 0 ft. level difference between outdoor and indoor
unit. 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).
Due to our policy of continuous product innovation, some specications may change without notication.
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42 | DUCTED
Ceiling-Concealed Ducted System Engineering Manual