Aquacal GBB BB500, Operation Manual

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1.3 Activate Heat Mode, Cool Mode, Auto Mode, or Deactivate Equipment
Press "Mode / Enter" button until desired mode is displayed.
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HEATING MODE- After fan and compressor starts, the red "Heating" light will activate.
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COOLING MODE - After fan and compressor starts, the blue "Cooling" light will activate.
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AUTO MODE - After fan and compressor starts, the heat pump will maintain the set
temperature within 1°. The red "Heating" or blue "Cooling" light will activate.
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OFF - The heat pump will indicate it is deactivated. The current water temperature will be
displayed.
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