Charge PT
Saturation pressure vs temperature. Charge after airflow is real. Weigh-in on A2L / inverter. FieldBench is independent — verify against the cylinder and the plate.
| °F | psig sat. |
|---|---|
| 32 | 80 |
| 40 | 93 |
| 50 | 111 |
| 60 | 132 |
| 70 | 156 |
| 80 | 183 |
| 90 | 214 |
| 100 | 249 |
| 110 | 288 |
| 120 | 332 |
Superheat = suction temp − sat. at suction pressure. Subcooling = sat. at liquid pressure − liquid line temp. Do not top off R-32 like 410A.