Hussmann Ingersoll Rand User Manual page 187

All Application Limit curves are based on 65°F return gas temperature, except where
noted.
SST
SCT
RGT Return Gas Temperature
SH
Application Guidelines
R-404A/507
Application limits for unloaded models
50 % IR4C0770S – IR4C1385S
Additional cooling
50 % IR4C1480S – IR4B3604P
Additional cooling and SH < 35°F
Additional cooling
OR RGT < 40°F
Saturated Suction Temperature
Saturated Condensing Temperature
Suction Superheat
7
Additional cooling
OR RGT < 40°F