Ok yeah Im not that good at reading my gauges, I admit that, but here goes. R22, 91*ambient, suction 75#, discharge 300#, low on refrigerant? Im only getting about 60* DA temp. Room temp is about 76, sorry, didnt get RA temp. And for future reference, the temp readings on the gauges, what do they correspond to? The suction temp is the evaporator temp, correct? And on the discharge side is ambient plus 20*?