12.1.4. Cool Mode Operation
1. 3 ways valve control:
• 3 ways valve switch and fix to room side.
2. Heat pump operate follow normal cooling operation.
3. Backup heater DOES NOT operate during cool mode.
4. Solar 3 way valve operates follow solar operation specification.
5. 2 ways valve control:
• 2 ways valve is closed.
Cool Mode Operation Time Chart
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