Out — Leaving air temperature. Higher difference from coil temp lowers bypass factor. Example: 0.1.
Out is required
Coil — Coil surface temperature. Depends on refrigerant and airflow; verify with sensor. Example: 0.1.
Coil is required
In — Entering air temperature. Combined with out and coil temps via (out-coil)/(in-coil). Example: 0.1.
In is required
Coil bypass factor.
Formula
factor = (out - coil) / (in - coil)