What is the difference between direct and indirect evaporative cooling?

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• How can I control the humidity caused by my cooling cells?

  By using Stage 5's proportional cooling, you can truly run your cooling cells as evaporative cooling, by setting them to turn the pump on and off according to the proportional cycle. This will allow the fan to run by itself and pull the excess ...

• How do I configure my stages for heating or cooling?

  Stages 3, 4, and 5 can be configured for either heating or cooling. Do this through the Configuration menu. See the user manual for step-by-step instructions.

• How do I change between heating and cooling modes?

  Place the internal jumper in the correct position for the mode you want. See the user manual for more information.

• How do I tell if my control is in heating or cooling mode?

  Click the switch to the left. See the user manual for more information.

• Is this a replacement for the FHC-1D or the VTC-1D?

  Yes, it is a direct replacement for the FHC-1D. It also replaces the VTC-1D, the difference being the addition of the heater interlock feature.