What should be done to reduce refrigerant loss from a purge unit on a r123 chiller? A. Leak test and repair the chiller.
B. Seal the purge unit discharge line.
C. Pipe purge unit back into the low side.
D. Pipe purge unit back into recovery unit.

A. Leak test and repair the chiller.

Explanation:

A refrigerant may be defined as a special compound used in the refrigerator or an AC or any other cooling device. It is generally a mixture or a substance used to carry over the heat and release the them to the atmosphere.

It acts as a carrying medium of heat.

A purge unit is a component of the refrigeration system used to remove the air.

When there is a leak in the refrigeration system, refrigerant escapes and it results in cooling loss.

Thus in order to reduce the refrigerant loss from the unit, we have to do a leak test to check for any leaks and then repair the chiller unit.

unlike the threaded fasteners which are used to clamp the machine members, power screws are used to transmit power. common applications of power screws are: screw jacks: to lift weight. lead screw of lathe: for axial movement of tool and its precise positioning.

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