If, while troubleshooting an R-410A residential air conditioning system at near design conditions, the operating pressures are found to be 118 psig on the low side and 440 psig on the high side, it is most likely that the system is
A) operating with a dirty air filter
B) operating with a refrigerant overcharge
C) operating with an undercharge of refrigerant
D) operating properly
Correct Answer:
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Q9: If, while troubleshooting a residential central air
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