55 degrees above zero Fahrenheit
It should be above freezing. Normally around 40-42 deg. F
no
Once its warmed up the average temperature should be about 190 degrees. If its any hotter you might want to check your cooling system. The EGR valve can also effect your temperature
There is no set temperature that the central air should be set to. Most people choose to set this temperature to about 70 degrees Fahrenheit.
yes it would save money :)
30 to 50 amps, it should be dedicated for the A/C.
It depends on the temperature entering the unit. Generally around 14 degrees less than the room temperature.
At 1200 RPM -should be 38-42 degrees Fahrenheit
To cool more than two rooms it is economically more efficient to purchase a central air conditioning unit than a wall unit. Wall units are individually cheaper than central air, but if you have to buy more than two, then it is better to buy the central air unit.
Average temperature should be around 102 degrees Celsius.
If its a copeland scroll compressor it should be Life time..