| 62 / | HD | REFRIGERATION |
| 132 | DF | AUTOMATIC CONTROL {19} |
| 161 | ![]() | .~ With correlated manual or external operator and condition sensing means, e.g., cutoff or reset {3} |
| 162 | DF | .~.~> Manual initiate with sensor terminate |
| 163 | DF | .~.~> Selective |
| 164 | DF | .~.~> Manual reset or sensor operates additional element |