Very high pressure appliances have recovery levels that were which values before and after November 15, 1993?

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Multiple Choice

Very high pressure appliances have recovery levels that were which values before and after November 15, 1993?

Recovery levels describe how deep a vacuum (in inches of mercury) you must reach when removing refrigerant from an appliance. For very high‑pressure appliances, the standard did not assign a deep vacuum target that changed with the date. The requirement was effectively zero inches of mercury before November 15, 1993 and remained zero inches of mercury after that date. In other words, there was no mandated vacuum depth change for these appliances across that time period, so the emphasis is on pulling refrigerant out rather than achieving a specified deep vacuum. The other numerical targets would apply to different appliance classes or timeframes, not to very high‑pressure units, which is why they don’t fit this case.

Recovery levels describe how deep a vacuum (in inches of mercury) you must reach when removing refrigerant from an appliance. For very high‑pressure appliances, the standard did not assign a deep vacuum target that changed with the date. The requirement was effectively zero inches of mercury before November 15, 1993 and remained zero inches of mercury after that date. In other words, there was no mandated vacuum depth change for these appliances across that time period, so the emphasis is on pulling refrigerant out rather than achieving a specified deep vacuum. The other numerical targets would apply to different appliance classes or timeframes, not to very high‑pressure units, which is why they don’t fit this case.

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