System for heating a compressor assembly in an HVAC system
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United States of America Patent
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Mar 13, 2018
Grant Date -
Jan 19, 2017
app pub date -
Sep 29, 2016
filing date -
Oct 8, 2013
priority date (Note) -
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Abstract
The present invention provides a system for heating a compressor assembly of a heating, ventilation, and air conditioning (HVAC) system. The system comprises a heat source for transferring thermal energy to a plurality of compressor units. A controller varies the thermal energy transferred to the compressor units, between at least two substantially non-zero rates of transfer of thermal energy, in a plurality of modes of operation of the HVAC system.
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