As we discuss in this brief, the administrationâs reports to the court do not preclude the Legislature from assessing the measures identified by the administration and considering its own strategy for compliance with the court ruling based on its priorities.
The two most common causes of low head pressure at an air conditioner or heat pump compressor motor are: 1  Refrigerant under-charge, due to a refrigerant leak or improper charge.  TXV (TEV) malfunction, over-metering refrigerant.
The Receiver Dryer always holds liquid refrigerant. Receiver/driers serve three main functions. 1) They are storage containers for oil and refrigerant for use during periods of low demand. Hence they are called receivers, as they receive the unused refrigerant during the different demand cycles of the HVAC system.