Author Question: When an air cooled split system operates at low ambient temperatures A) The decreased air density ... (Read 10 times)

eruditmonkey@yahoo.com · **on:** Jul 26, 2018

When an air cooled split system operates at low ambient temperatures

A) The decreased air density reduces the airflow over the condenser
B) System efficiency is increased because of the extra cooling effect of the colder air
C) Head pressure increases because of the inverse relationship between ambient temperature and condenser temperature
D) Low ambient controls are necessary for safe operation

Question 2

Normally, a split AC system that uses a fixed metering device can safely operate at temperatures

A) above 50F B) above 90F C) above 60F D) above 70F