Patent ID: 11892215
Assignee: A. O. SMITH CORPORATION
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F | IPC F

Claim 18:
19. The control method according to claim 17, wherein the method further comprises:
determining the first preset energy efficiency ratio set is at least one value, and
in response to determining the first preset energy efficiency ratio set is at the least one value, obtaining the second preset energy efficiency ratio set by adding and/or subtracting a preset value into/from the first preset energy efficiency ratio set; or
determining the first preset energy efficiency ratio set is at least one value range, and
in response to determining the determining the first preset energy efficiency ratio set is at the least one value range, setting the second preset energy efficiency ratio set at a value range that coincides with at least a portion of the first preset energy efficiency ratio set.