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HVAC
HVAC Excellence Master Specialist
Code Compliance - IMC, IRC, NFPA & Mechanical Codes
Knowledge Check
Code Compliance - IMC, IRC, NFPA & Mechanical Codes
Knowledge Check
Knowledge Check
1 / 15
Under ASHRAE 15.2 and UL 60335-2-40 4th edition, what must an A2L-rated HVAC system do when its active refrigerant leak detection (ALD) sensor detects a leak?
A
Continue normal operation while logging a fault code for the next service visit
B
Open the outdoor unit service ports to vent the remaining refrigerant safely
C
Lock out the compressor and energize the indoor blower to dilute refrigerant concentration below the lower flammability limit
D
Immediately shut off all power to the system and trigger the building fire alarm
Check Answer
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