Refrigerator Pressure Drop

If an internal equalizing expansion valve is substituted with an external equalizing valve, an additional connection must be provided for the external equalizing capillary.

External equalizing capillary
External equalizing capillary

The capillary connection must be installed in the suction line as illustrated in Figure 24. The connection is a ı88 in flare half union, brazed into the suction line 150 to 200 mm downstream from the expansion valve bulb location.

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