| 62 / | HD | REFRIGERATION |
| 272 | DF | WITH MEANS PREVENTING OR HANDLING ATMOSPHERIC CONDENSATE RELATIVE TO HEAT ABSORBER {9} |
| 277 | DF | .~ Means utilizing heat developed by refrigeration producer {2} |
| 279 | DF | .~.~ Means conducting atmospheric condensate to heat rejecter {1} |
| 280 | ![]() | .~.~.~ Pump or thrower for condensate |