Patent ID: 11885537
Assignee: COPELAND EUROPE GMBH
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F | IPC F

Claim 6:
7. The method according to claim 1, wherein the regulating further comprises:
if the determined pressure of the refrigerant in the injection line is determined to be below a first threshold, closing the economizer valve;
if the determined pressure of the refrigerant in the injection line is determined to be above the first threshold and below a second threshold, setting the opening degree of the economizer valve to a value calculated by using at least one of the first operation mode or the second operation mode;
if the determined pressure of the refrigerant in the injection line is determined to be above the second threshold and below a third threshold, setting the opening degree of the economizer valve to a value calculated by using a combination of at least the first operation mode and the third operation mode;
if the determined pressure of the refrigerant in the injection line is determined to be above the third threshold and below a fourth threshold, setting the opening degree of the economizer valve to a value calculated by using at least the third operation mode;
if the determined pressure of the refrigerant in the injection line is determined to be above the fourth threshold, closing the economizer valve and stopping operation of the compressor.