Heat Pump

When a liquid refrigerant is at its saturation point, adding more heat will cause the refrigerant to vaporize.

• True

• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Heat Pumps can pump heat in two directions.

• True

• false

Tags

NGSS.HS-PS3-4

In the heating mode, the outdoor coil is functioning as the condenser.

• True

• False

Which component switches the heat pump refrigeration cycle from one mode to the other?

• TXV

• Outdoor Thermostat

• Check Valve

• Reversing Valve

Which component changes the heat pump refigeration cycle from one mode to the other?

• 4-way / Reversing Valve

• Heat pump

• Cooling cycle

In order to switch the refrigerant flow, a 4-Way valve needs a pressure differential of __________ between the high and low sides of the system.

• 75 psi

• 50 psi

• 25 psi

• 100 psi

In the heating mode, the refrigerant is metered through the expansion device at the ____________ coil.

• front door

• next-door

• outdoor

• indoor

Tags

NGSS.HS-PS3-4

This component of a heat pump system protects the compressor from liquid migration during the off-cycle.

• Charge Compensator

• Suction Line Filter Drier

• Suction Line Accumulator

• Crankcase Heater

Tags

NGSS.MS-PS3-3

This component of a heat pump system protects the compressor from liquid slugging during the run-cycle.

• Suction Line Filter Drier

• Suction Line Accumulator

• Charge Compensator

• Crankcase Heater

This component of a heat pump system holds some of the charge of the system out of circulation during the heating cycle.

• Suction Line Accumulator

• Crankcase Heater

• Charge Compensator

• Suction Line Filter Drier