Unit 46

Front

Cooling-only room air conditioners are marketed in ____ Btu/h capacities.

Back

4,000 to 24,000

Front

The evaporator of a window air conditioner should operate ____.

Back

just above freezing temperature

Front

The condensate off the evaporator coil in a room air conditioner is generally disposed of by ____.

Back

draining to the slinger system of the fan

Front

The most common refrigerant used in older room air conditioners is ____.

Back

R-22

Front

The evaporator typically operates _____ the dew point temperature of the room air.

Back

below

Front

The round piece fastened to the outer tips of the condenser fan blade is called the ____.

Back

slinger ring

Front

A heat-pump-style room air conditioner has all the major components of a cooling-only unit with the addition of a ____.

Back

4-way valve

Front

To ensure correct direction of refrigerant flow in heat-pump-style room air conditioners, ____ are included in the unit.

Back

check valves

Front

The window unit must be installed in such a manner that air can circulate across the ____ and not recirculate or high head pressures will result.

Back

condenser

Front

The addition of a window air conditioner of ____ size may overload a circuit.

Back

any