Question

When using recovery and recycling equipment manufactured after November 15 1993, technicians must evacuate an appliance component containing more than 200 lbs of CFC 12 to which of the following level before making a major repair?

1) 0 psig
2) 4 inches of Hg vacuum
3) 10 inches of Hg vacuum
4) 15 inches of Hg vacuum

Answer 1

Technicians must evacuate an appliance component with more than 200 lbs of CFC-12 to 15 inches of Hg vacuum before major repair work.

Step-by-step explanation:

When using recovery and recycling equipment manufactured after November 15, 1993, technicians must evacuate an appliance component containing more than 200 lbs of CFC-12 to 15 inches of Hg vacuum before making a major repair. This is a requirement to ensure the safe and environmentally responsible handling of refrigerants in compliance with regulations that aim to protect the ozone layer from depletion caused by chlorofluorocarbons.