12.1.8.1. Heating Mode Operation Time Chart
Exp:
1. 3 ways valve control:
• 3 ways valve switch and fix to room side.
2. Heat pump operate follow normal heating operation.
3. Backup heater operate follow normal operation.
4. Solar 3 way valve operates follow solar operation specification
5. 2 ways valve control:
• 2 ways valve opens.
58