HVAC NATE Heat Pump Exam (New 2024/ 2025 Update) Questions and Verified Answers 100% Correct | A Grade

HVAC NATE Heat Pump Exam (New 2024/ 2025 Update) Questions and Verified Answers 100% Correct | A Grade QUESTION In order to troubleshoot a load controlled by a control string, what should the technician check first? Answer: Proper voltage applied across the load. QUESTION The technician suspects that an outdoor thermostat used to bring on auxiliary heat may be out of calibration. The thermostat is a close-on-fall type that is adjustable. What is one method for checking the thermostat calibration? Answer: Manually rotate the shaft until the thermostat closes and compare the dial setting to an accurate outdoor temperature reading plus 10°F QUESTION When must the installer must be certain to plumb the cabinet so its sides are vertical? Answer: When changing out an evaporator coil. QUESTION What is the recommended maximum external static pressure used for heating and cooling equipment with blowers for 5 ton of cooling or less? Answer: 0.1 in W.C QUESTION When a balancing check of a newly installed duct what needs to happen? Answer: Dampers should be open completely in all rooms. QUESTION Why is operating sound is a consideration in the location of a condensing unit? Answer: Because excessive noise could be disruptive to the customer QUESTION A technician has determined a supply in a flexible duct system is leaking. What should be checked? Answer: All connections inner and outer layers. QUESTION What is sensible heat ratio? sensible removed ÷ total heat r