ACR-204 Homework week 1

Front

The component used to switch the heat pump unit between the heating and cooling modes of operation is the ____.

Back

four-way valve

Front

An air-to-air heat pump ____ heat from the outside air and deposits it in the conditioned space.

Back

removes

Front

The main valve in a pilot-operated four-way reversing valve is moved by pressure created by the ____.

Back

low and high side pressure difference

Front

The larger line in an air-to-air split-system heat pump is known as the ____ line.

Back

gas

Front

The smaller line in an air-to-air split-system heat pump is known as the ____ line.

Back

liquid

Front

When brazing a four-way reversing valve, a wet rag could be wrapped around the body of the valve to minimize the chance of internal damage to the valve.

Back

True

Front

During operation, the compressor motor will rotate in the opposite direction to change the direction of refrigerant flow.

Back

false

Front

The term ____________________ indicates the source of heat while the system is operating in the heating mode and the medium that is ultimately being treated.

Back

air to air

Front

The ______ is a four-port valve that has a slide mechanism in it.

Back

four-way reversing valve

Front

The coil of the air-to-air heat pump system that is the indoor unit is known as the ______ in the cooling mode.

Back

evaporator