Split System HVAC units are the most common residential system in Texas. How well do you know yours!?
What is the purpose of the indoor unit in a split system HVAC system?
a) To generate cool air
b) To circulate refrigerant
c) To release heat outdoors
d) To provide ventilation
Explanation: The correct answer is (b) To circulate refrigerant. The indoor unit in a split system HVAC is responsible for circulating refrigerant between the indoor and outdoor units. It contains the evaporator coil, which absorbs heat from the indoor air and cools it down before returning the cooled air back into the room.
What component of the split system HVAC is located in the outdoor unit?
b) Evaporator coil
c) Air handler
Explanation: The correct answer is (a) Compressor. The outdoor unit of a split system HVAC houses the compressor, which plays a vital role in compressing the refrigerant gas, increasing its temperature and pressure. This allows for the efficient transfer of heat from the indoor unit to the outdoor unit.
What is the purpose of the refrigerant in a split system HVAC system?
a) To generate cool air
b) To provide ventilation
c) To absorb and release heat
d) To circulate electricity
Explanation: The correct answer is (c) To absorb and release heat. Refrigerant in a split system HVAC system is responsible for absorbing heat from the indoor air at the evaporator coil and releasing it outdoors at the condenser coil. It undergoes a cycle of compression and expansion to facilitate heat transfer.
Which of the following is a benefit of a split system HVAC system?
a) Easy installation
b) Low energy consumption
c) Window compatibility
d) Limited cooling capacity
Explanation: The correct answer is (b) Low energy consumption. Split system HVAC systems are known for their energy efficiency. They typically have higher SEER (Seasonal Energy Efficiency Ratio) ratings, which means they use less energy to provide the same cooling output compared to less efficient systems.
How does a Heat Pump split system HVAC system provide both cooling and heating?
a) It uses separate indoor and outdoor units for cooling and heating.
b) It relies on an electric resistance heater in the outdoor unit for heating.
c) It reverses the refrigerant flow to provide heating instead of cooling.
d) It utilizes a separate hydronic heating system in conjunction with the HVAC system.
Explanation: The correct answer is (c) It reverses the refrigerant flow to provide heating instead of cooling. Split system HVAC systems equipped with a heat pump can reverse the direction of refrigerant flow. This allows them to absorb heat from the outdoor air and transfer it indoors for heating during colder months.
Now, let’s calculate your score and provide a ranked system based on the number of correct answers.
Scoring and Ranking:
- 0-1 correct answers: Beginner
- 2-3 correct answers: Intermediate
- 4-5 correct answers: Advanced
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