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Indoor & Outdoor Split
Geothermal Comfort Systems
Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05
27
50YCS018 / 38WQS018 With GAH018
Performance capacities shown in thousands of Btuh.
WPD HEATING - EAT 70°F COOLING - EAT 80/67 °F
EWT °FGPM
PSI FT
CFM
HC KW HE LAT COP HWC TC SC KW HR EER HWC
2.2 0.5 1.2 475
600 Operation not recommended
20 3.5 1.2 2.7 475 Operation not recommended
600
4.5 1.8 4.2 475 11.8 1.19 7.7 92.9 2.89 1.3
600 12.1 1.12 8.2 88.6 3.17 1.2
2.2 0.5 1.2 475 12.9 1.22 8.7 95.2 3.10 1.5 20.7 12.9 0.80 23.4 26.0 0.5
600 13.2 1.14 9.3 90.4 3.40 1.3 22.1 14.7 0.80 24.9 27.5 0.5
30 3.5 1.1 2.6 475 13.5 1.23 9.3 96.4 3.22 1.6 20.9 12.9 0.75 23.5 27.9 0.6
600 13.9 1.16 9.9 91.4 3.52 1.3 22.3 14.7 0.76 24.9 29.5 0.5
4.5 1.8 4.1 475 13.8 1.24 9.6 96.9 3.26 1.6 20.9 12.9 0.74 23.5 28.3 0.6
600 14.1 1.16 10.2 91.8 3.57 1.4 22.4 14.7 0.75 24.9 30.0 0.5
2.2 0.5 1.1 475 14.8 1.26 10.5 98.9 3.44 1.8 20.3 12.9 0.87 23.2 23.2 1.0
600 15.2 1.18 11.2 93.4 3.77 1.5 21.7 14.7 0.88 24.7 24.6 0.9
40 3.5 1.1 2.5 475 15.6 1.28 11.3 100.5 3.58 1.8 20.6 12.9 0.81 23.4 25.6 0.9
600 16.0 1.20 11.9 94.7 3.92 1.6 22.1 14.7 0.81 24.8 27.1 0.8
4.5 1.7 3.9 475 16.0 1.29 11.6 101.1 3.63 1.9 20.8 12.9 0.79 23.4 26.4 0.8
600 16.4 1.21 12.2 95.2 3.98 1.7 22.2 14.7 0.79 24.9 27.9 0.8
2.2 0.5 1.1 475 16.8 1.31 12.4 102.8 3.78 2.0 19.7 12.7 0.97 23.0 20.3 1.4
600 17.2 1.22 13.1 96.6 4.13 1.8 21.0 14.6 0.98 24.3 21.4 1.3
50 3.5 1.1 2.5 475 17.8 1.33 13.3 104.7 3.93 2.1 20.2 12.8 0.89 23.2 22.7 1.2
600 18.2 1.24 14.0 98.1 4.31 1.8 21.6 14.7 0.90 24.6 24.0 1.2
4.5 1.7 3.8 475 18.2 1.33 13.6 105.5 4.00 2.2 20.3 12.9 0.86 23.3 23.7 1.0
600 18.6 1.25 14.4 98.8 4.38 1.9 21.7 14.7 0.87 24.7 25.0 1.1
2.2 0.5 1.0 475 18.9 1.35 14.3 106.8 4.10 2.3 18.9 12.5 1.08 22.6 17.4 1.7
600 19.3 1.26 15.0 99.9 4.49 2.0 20.2 14.3 1.09 23.9 18.4 1.6
60 3.5 1.0 2.4 475 20.0 1.37 15.3 109.0 4.28 2.4 19.5 12.7 0.99 22.9 19.7 1.5
600 20.5 1.28 16.1 101.6 4.69 2.1 20.9 14.5 1.00 24.3 20.9 1.5
4.5 1.6 3.7 475 20.5 1.38 15.8 109.9 4.35 2.4 19.7 12.8 0.96 23.0 20.6 1.3
600 21.0 1.29 16.6 102.4 4.77 2.2 21.1 14.6 0.97 24.4 21.8 1.4
2.2 0.4 1.0 475 21.0 1.39 16.2 110.8 4.43 2.6 18.0 12.2 1.21 22.2 14.9 2.0
600 21.5 1.30 17.0 103.1 4.84 2.2 19.3 13.9 1.22 23.4 15.8 2.0
70 3.5 1.0 2.3 475 22.3 1.41 17.4 113.4 4.62 2.6 18.7 12.5 1.11 22.5 16.9 1.8
600 22.8 1.32 18.3 105.2 5.06 2.3 20.0 14.2 1.12 23.8 17.9 1.8
4.5 1.5 3.6 475 22.8 1.42 17.9 114.4 4.70 2.7 19.0 12.6 1.07 22.6 17.7 1.6
600 23.4 1.33 18.8 106.0 5.14 2.4 20.3 14.3 1.08 24.0 18.8 1.7
2.2 0.4 1.0 475 23.1 1.43 18.2 114.9 4.74 2.9 17.1 11.8 1.34 21.7 12.7 2.2
600 23.6 1.34 19.1 106.5 5.18 2.4 18.3 13.5 1.36 22.9 13.5 2.3
80 3.5 1.0 2.2 475 24.5 1.45 19.5 117.8 4.94 3.0 17.8 12.1 1.24 22.1 14.4 2.1
600 25.1 1.36 20.5 108.8 5.41 2.5 19.1 13.8 1.25 23.3 15.3 2.2
4.5 1.5 3.5 475 25.1 1.46 20.1 118.9 5.03 3.1 18.1 12.2 1.20 22.2 15.1 1.9
600 25.7 1.37 21.1 109.7 5.51 2.7 19.4 14.0 1.21 23.5 16.0 2.0
2.2 0.4 0.9 475 25.1 1.46 20.2 119.0 5.04 3.1 16.1 11.3 1.48 21.1 10.9 2.5
600 25.8 1.37 21.1 109.8 5.51 2.7 17.2 12.9 1.49 22.3 11.5 2.6
90 3.5 0.9 2.1 475 26.7 1.49 21.6 122.1 5.26 3.3 16.8 11.7 1.37 21.5 12.3 2.4
600 27.4 1.40 22.6 112.3 5.76 2.8 18.0 13.3 1.39 22.7 13.0 2.5
4.5 1.4 3.3 475 27.4 1.50 22.3 123.4 5.35 3.4 17.1 11.8 1.33 21.7 12.8 2.3
600 28.1 1.40 23.3 113.3 5.85 2.9 18.3 13.5 1.35 22.9 13.6 2.3
2.2 0.4 0.9 475 15.0 10.7 1.62 20.5 9.3 2.9
600 16.1 12.2 1.63 21.6 9.8 3.0
100 3.5 0.9 2.1 475 15.8 11.1 1.52 21.0 10.4 2.7
600 16.9 12.7 1.53 22.1 11.0 2.8
4.5 1.4 3.2 475 16.1 11.3 1.48 21.1 10.9 2.5
600 Operation not recommended 17.2 12.9 1.49 22.3 11.6 2.6
2.2 0.4 0.9 475 14.0 10.1 1.75 20.0 8.0 3.2
600 14.9 11.5 1.77 21.0 8.4 3.3
110 3.5 0.9 2.0 475 14.7 10.5 1.66 20.4 8.9 3.0
600 15.7 12.0 1.67 21.5 9.4 3.1
4.5 1.3 3.1 475 15.0 10.7 1.62 20.6 9.3 2.8
600 16.1 12.2 1.63 21.6 9.8 2.9
Rev: 12/12/03 B
Operation below 40°F EWT is based on 15% antifreeze solution.
See performance correction tables for operating conditions other than those listed above.
Table does not reflect fan or pump power ISO corrections.
Interpolation is permissable, extrapolation is not.
All entering air conditions are 80°F DB and 67°F WB in cooling and 70°F DB in heating.
All performance data is based upon the lower voltage of dual voltage rated units.