| 62 / | HD | REFRIGERATION |
| 132 | DF | AUTOMATIC CONTROL {19} |
| 190 | DF | .~ Refrigeration producer {12} |
| 196.1 | DF | .~.~ Bypass, e.g., compressor unloading {4} |
| 197 | ![]() | .~.~.~ Of expansion zone {2} |
| 198 | DF | .~.~.~.~> Of serially arranged evaporator |
| 199 | DF | .~.~.~.~> Through an evaporator, i.e., parallel {1} |