What does PRE-COOL mean?

Mechanical cooling is not currently allowed because the system is using free cooling. This occurs during specific conditions when outdoor air is suitable for cooling.

• Economizer is providing free cooling
• Outdoor air conditions are suitable for free cooling

Click steps to track your progress.

1. 1

   No user action is required; the system will switch to mechanical cooling when necessary.

2. 2

   This message may appear during the first 30 minutes of cooling demand after a change from unoccupied to occupied mode.