To prevent the unnecessary loading of an air conditioning system while maintaining the designed dry bulb temperature and relative humidity in an air conditioning system, what should be done?
• Latent vs. sensible heat load in an HVAC/air conditioning system • Effect of outside air (ventilation air) on cooling and dehumidifying load • What it means to keep design dry‑bulb temperature and relative humidity constant
• Which action most directly reduces how much heat and moisture the A/C must remove, while still meeting the design temperature and humidity? • How does bringing in outside air (which is often warmer and more humid) affect the total load on the system? • Which options change system operation without necessarily changing how much outside heat/moisture you are adding to the space?
• Identify which choice deals with quantity of outside air admitted versus how the equipment is run internally • Ask: if the outside air is hot and humid, does increasing it increase or decrease the load? • Confirm which option would still maintain proper ventilation while avoiding extra latent/sensible load.
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