HVAC field execution
Refrigerant Charging Request
Execution request
Authorize refrigerant charging based on a technician's pressure reading.
Known facts
- Technician identity is verified.
- The work order authorizes diagnostic activity.
- A pressure reading was recorded 38 minutes ago.
- Outdoor temperature changed materially after the reading.
Unresolved conditions
- No current superheat or subcooling calculation.
- No verified airflow condition.
- No preserved baseline showing that charge is the primary determination.