Location. Temperate grasslands are located north of the Tropic of Cancer (23.5 degrees North) and south of the Tropic of Capricorn (23.5 degrees South).The major temperate grasslands include the veldts of Africa, the pampas of South America, the steppes of Eurasia, and the plains of North America.limate. Temperate grasslands have hot summers and cold winters. Summer temperatures can be well over 100 degrees Fahrenheit, while winter temperatures can be as low as -40 degrees Fahrenheit. They typically have between 10 and 35 inches of precipitation a year, much of it occurring in the late spring and early summer.
In summary, certain conditions can force a heat pump into a defrost cycle (or cooling cycle) where the fan in the outdoor coil is stopped, the indoor fan is stopped or electric heat is turned on, the frost melts and is removed from the outdoor coils.
Best Answer: There are a couple of possibilities as to why the unit quit working. All units that required freon, even heat pumps, have pressure switches in them. If the freon is low or none, the Low Pressure switch and will activate, shutting the unit down to prevent comprssor damage.It also affects the heat pump.est Answer: There are a couple of possibilities as to why the unit quit working. All units that required freon, even heat pumps, have pressure switches in them. If the freon is low or none, the Low Pressure switch and will activate, shutting the unit down to prevent comprssor damage.