5545023-YTG-G-1121
Johnson Controls Ducted Systems 139
PERFORMANCE DATA - 2 TON
CONDENSER-ONLY DATA (OUTDOOR UNIT)
MODEL
SATURATED SUCTION
AT COMPRESSOR
Outdoor Ambient Temperature
55 °F 65 °F 75 °F 85 °F 95 °F 105 °F 115 °F 125 °F
T (°F) P (PSIG) MBH KW MBH KW MBH KW MBH KW MBH KW MBH KW MBH KW MBH KW
YFK24B21S
(Stage 2)
35 107 21.2 1.17 20.3 1.29 19.2 1.42 18.1 1.56 17.0 1.72 15.8 1.91 14.6 2.12 13.3 2.37
40 118 23.8 1.09 22.8 1.22 21.7 1.34 20.6 1.48 19.4 1.63 18.2 1.81 16.8 2.01 15.4 2.23
45 130 25.6 1.15 24.5 1.28 23.3 1.41 22.0 1.55 20.7 1.70 19.4 1.90 17.9 2.11 16.3 2.35
50 142 28.0 1.14 26.8 1.27 25.6 1.40 24.3 1.54 22.8 1.70 21.3 1.89 19.7 2.10 18.1 2.34
55 156 30.7 1.13 29.4 1.26 28.0 1.39 26.5 1.53 25.1 1.69 23.4 1.88 21.7 2.09 20.0 2.33
YFK24B21S
(Stage 1)
35 107 14.7 0.84 13.9 0.95 13.0 1.06 12.2 1.20 11.3 1.35 10.3 1.53 9.2 1.71 8.1 1.92
40 118 16.3 0.82 15.3 0.93 14.5 1.05 13.6 1.19 12.6 1.33 11.6 1.50 10.5 1.69 9.2 1.90
45 130 18.1 0.80 17.0 0.91 16.0 1.03 15.0 1.16 14.1 1.31 13.0 1.48 11.8 1.67 10.5 1.87
50 142 20.1 0.78 18.8 0.88 17.7 1.00 16.6 1.14 15.5 1.29 14.5 1.45 13.3 1.65 11.9 1.84
55 156 22.1 0.75 20.7 0.86 19.5 0.98 18.4 1.11 17.2 1.26 16.0 1.44 14.7 1.62 13.4 1.81
Notes:
1. For Outdoor Unit (Condenser) performance only. Data does not include the effects of air handler power or heat.
2. Performance based on 15°F subcooling and 15°F superheat at the Outdoor Unit base valves.
a. Increase capacity by 1% for each 2°F increase in subcooling.
b. Decrease capacity by 1% for each 2°F decrease in subcooling.
3. Maximum recommended condensing temperature is 140°F.
COOLING PERFORMANCE DATA
OUTDOOR UNIT MODEL NO. YFK24B21S
INDOOR COIL MODEL NO. CF48CXA1
AIR TEMPERATURE
ENTERING
OUTDOOR UNIT (°F)
ID CFM 600 800 1000
ID DB (°F) 80 80 75 80 80 80 80 75 80 80 80 80 75 80 80
ID WB (°F) 57 62 62 67 72 57 62 62 67 72 57 62 62 67 72
55
T.C. 22.1 24.3 24.4 26.6 28.8 23.8 25.3 25.2 27.5 29.0 25.5 26.3 26.1 28.4 29.3
S.C. 21.4 19.1 16.2 16.1 12.9 23.1 21.8 18.2 17.9 13.6 24.8 24.6 20.1 19.6 14.3
KW 1.19 1.19 1.19 1.20 1.20 1.27 1.27 1.27 1.28 1.28 1.34 1.35 1.35 1.36 1.36
65
T.C. 21.6 23.5 23.4 25.8 28.2 23.3 24.4 24.3 26.7 28.7 25.0 25.4 25.2 27.6 29.2
S.C. 20.9 18.7 15.8 15.7 12.4 22.6 21.5 17.8 17.6 13.4 24.3 24.2 19.8 19.4 14.3
KW 1.32 1.32 1.33 1.33 1.33 1.40 1.41 1.40 1.41 1.41 1.47 1.49 1.48 1.48 1.49
75
T.C. 21.1 22.6 22.3 25.0 27.5 22.8 23.6 23.3 25.8 28.3 24.5 24.5 24.3 26.7 29.1
S.C. 20.5 18.4 15.4 15.3 12.0 22.2 21.1 17.5 17.3 13.2 23.8 23.9 19.5 19.3 14.4
KW 1.45 1.46 1.46 1.46 1.46 1.53 1.55 1.54 1.54 1.54 1.60 1.63 1.61 1.61 1.62
85
T.C. 20.3 21.7 21.5 23.8 26.4 21.9 22.6 22.3 24.6 27.1 23.6 23.5 23.2 25.4 27.7
S.C. 19.8 17.9 15.1 14.9 11.8 21.4 20.4 17.0 17.0 12.9 22.9 22.9 19.0 19.0 14.0
KW 1.62 1.62 1.62 1.63 1.63 1.70 1.71 1.70 1.70 1.71 1.77 1.79 1.78 1.78 1.79
95
T.C. 19.6 20.7 20.7 22.7 25.4 21.1 21.6
21.4 23.4 25.9 22.7 22.5 22.0 24.1 26.4
S.C. 19.0 17.5 14.8 14.6 11.7 20.5 19.7 16.6 16.7 12.7 22.1 21.9 18.5 18.8 13.7
KW 1.79 1.79 1.79 1.80 1.79 1.87 1.87 1.87 1.87 1.87 1.94 1.95 1.94 1.95 1.95
105
T.C. 18.6 19.6 19.5 21.4 23.9 20.0 20.4 20.1 22.1 24.5 21.5 21.2 20.7 22.8 25.1
S.C. 18.1 16.9 14.2 14.1 11.1 19.5 18.8 16.0 16.1 12.2 20.9 20.6 17.9 18.1 13.3
KW 2.04 2.04 2.04 2.05 2.05 2.12 2.12 2.12 2.12 2.13 2.20 2.20 2.20 2.20 2.21
115
T.C. 17.7 18.4 18.4 20.2 22.4 19.0 19.2 19.0 20.8 23.1 20.3 19.9 19.5 21.5 23.7
S.C. 17.2 16.3 13.6 13.6 10.6 18.5 17.9 15.5 15.5 11.8 19.8 19.4 17.3 17.4 12.9
KW 2.29 2.29 2.29 2.29 2.29 2.37 2.37 2.37 2.37 2.37 2.44 2.44 2.45 2.45 2.46
125
T.C. 16.7 17.3 17.2 19.0 21.0 17.9 18.0 17.8 19.6 21.7 19.1 18.7 18.3 20.1 22.4
S.C. 16.2 15.8 13.1 13.1 10.0 17.4 17.0 14.9 14.9 11.3 18.6 18.2 16.7 16.8 12.6
KW 2.54 2.54 2.54 2.54 2.54 2.61 2.61 2.62 2.61 2.62 2.69 2.69 2.69 2.69 2.71
NOTE: ALL CAPACITIES INCLUDE INDOOR FAN HEAT. KW VALUES ARE FOR THE SYSTEM (OUTDOOR + INDOOR).
Green shaded cells are ACCA (TVA) conditions.
Blue shaded cells are AHRI conditions.
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