| 165 / | HD | HEAT EXCHANGE |
|
| 200 | DF | WITH TIMER, PROGRAMMER, TIME DELAY, OR CONDITION RESPONSIVE CONTROL {14} |
| 201 |  | .~ Having heating and cooling capability {13} |
| 202 | DF | .~.~> Vehicle installation {2} |
| 205 | DF | .~.~> Plural temperature regulators for plural zones {8} |
| 222 | DF | .~.~> Humidity control {2} |
| 231 | DF | .~.~> Congealed material (e.g., frost, etc.) or condensation removal or prevention {2} |
| 234 | DF | .~.~> Control of static pressure of conditioned space {1} |
| 236 | DF | .~.~> Control of heat storage |
| 237 | DF | .~.~> Means responsive to occupancy of space |
| 238 | DF | .~.~> Means storing set point for particular time of day (e.g., clock thermostat, etc.) {1} |
| 240 | DF | .~.~> Heat pump and supplemental heat source {1} |
| 243 | DF | .~.~> Means to reset supply air temperature or supply water temperature as function of heat load |
| 244 | DF | .~.~> Means to control fan or pump to regulate supply air flow or supply water flow {3} |
| 248 | DF | .~.~> Flow of air from outdoors controlled (e.g., minimum outside air, etc.) {2} |
| 253 | DF | .~.~> Temperature sensor controlling temperature {4} |