US PATENT SUBCLASS 165 / 265
.~.~.~ Manual changeover between heating and cooling modes (e.g., manual override, etc.)

Current as of: June, 1999
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165 /   HD   HEAT EXCHANGE

200  DF  WITH TIMER, PROGRAMMER, TIME DELAY, OR CONDITION RESPONSIVE CONTROL {14}
201  DF  .~ Having heating and cooling capability {13}
253  DF  .~.~ Temperature sensor controlling temperature {4}
265.~.~.~ Manual changeover between heating and cooling modes (e.g., manual override, etc.)

DEFINITION

Classification: 165/265

Manual changeover between heating and cooling modes (e.g., manual override, etc.):

(under subclass 253) Subject matter including a means for allowing an operator to switch between heating and cooling operations.

SEE OR SEARCH CLASS

62, Refrigeration,

161, 164 for a refrigeration system having correlated manual or external operator and condition sensing means (e.g., cut off or reset, etc.).