Question

1. low - loss fittings ____. (3 points) can be either manually closed or automatically closed when disconnected to prevent loss of refrigerant from hoses only leak small amounts of refrigerant during use are no longer required to be used because refrigerants are now greener. reduce oil losses during refrigerant recovery 29. recovery devices for use with small appliances must be capable of ____. (4 points) recovering 90% of the refrigerant when the compressor is operating recovering 90% of the refrigerant when the compressor is not operating achieving a 10 - inch vacuum under the conditions of ahri 740 recovering 70% of the refrigerant when the compressor not is operating

Explanation:

Answer:

(28) can be either manually closed or automatically closed when disconnected to prevent loss of refrigerant from hoses
(29) recovering 90% of the refrigerant when the compressor is NOT operating