Alternative installation clearances
Figure 6: Alternative installation clearances
Performance data - 1.5 ton
See the following tables for performance and multiplier data for the RAC13418B21S unit.
Condenser only performance data - 1.5 ton
Table 16: Condenser only performance data - 1.5 ton
Saturated suction
at compressor
Outdoor ambient temperature
Temperature Pressure 55°F 65°F 75°F 85°F 95°F 105°F 115°F
(°F) (psig) MBH kW MBH kW MBH kW MBH kW MBH kW MBH kW MBH kW
35 107 18.8 0.86 17.5 0.96 16.2 1.07 15.0 1.18 13.9 1.29 12.8 1.41 11.6 1.54
40 118 20.9 0.84 19.4 0.94 18.0 1.06 16.7 1.18 15.4 1.30 14.1 1.43 12.8 1.56
45 130 23.2 0.80 21.5 0.92 20.0 1.04 18.4 1.17 17.0 1.30 15.5 1.44 14.1 1.57
50 142 25.7 0.77 23.8 0.89 22.1 1.02 20.4 1.16 18.7 1.30 17.1 1.44 15.5 1.59
55 156 28.4 0.72 26.3 0.86 24.4 1.00 22.5 1.14 20.6 1.29 18.8 1.44 17.1 1.59
Condenser only performance data notes
• For outdoor unit (condenser) performance only. Data does not include the effects of air handler
power or heat.
• 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.
• Maximum recommended condensing temperature is 140°F.
47Technical Guide: RAC Series RAC134 Models - 13.4 SEER2 Split-System Air Conditioner - Single-Phase
Johnson Controls Ducted Systems
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