Refrigerator Troubleshooting Diagram

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Refrigerator Distributor Refrigerant Control

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Some commercial evaporators are designed with series-parallel and parallel tubing circuits, which means that they have more than one refrigerant circuit. Refrigerant from a single outlet expansion valve is directed to the circuits by means of a distributor, which in most cases is part of the evaporator assembly. These exist in many forms; two types are shown in Figure 22.

Distributor refrigerant control

Distributor refrigerant control

A multi-outlet expansion valve can also be used to perform a similar function, feeding two refrigerant circuits. Such a valve is shown in Figure 23.

Double outlet expansion valve

Double outlet expansion valve