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12.1.4 Cool Mode Operation
1 3 ways valve control:
o 3 ways valve switch and fix to room side.
2 Heatpump 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:
o 2 ways valve is closed.
Cool Mode Operation Time Chart
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