System and method for sump heater control in an HVAC system
US8116911B2 · kind B2 · utility
4Cited by
23References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 17, 2008 |
| Grant date | Feb 14, 2012 |
| Priority date | — |
| Expiry date | May 23, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B2600/0251
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A system and a method are provided for powering up a heating, ventilation, and air conditioning (HVAC) system and operating a sump heater for a compressor for a first predetermined period of time in response to the HVAC system being powered up. A heating, ventilation, and air conditioning system and a method for controlling the system are provided. The HVAC system includes a compressor, a sump heater associated with the compressor, and a controller configured to control the compressor and the sump heater so that the sump heater is not operated while the compressor is operated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.