Excessive Suction Pressure - High heat load.

What does High heat load. mean?

The amount of heat the system is trying to remove (in cooling) or generate (in heating) is very high. This causes suction pressure to rise.

• Thermostat set too low (cooling).
• Poor insulation.
• Unusually warm outdoor conditions.
• Open windows or doors.

Click steps to track your progress.

1. 1

   Ensure the thermostat is set to a reasonable temperature.

2. 2

   Close all windows and doors.

3. 3

   Check that the air filter is clean and airflow is unobstructed.

4. 4

   Reduce internal heat sources if possible.