23VAC parallel switches ?


  #1  
Old 05-07-10, 12:14 AM
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23VAC parallel switches ?

Hi

I want to control my whole house ducted Dehumidifier with 2 separate Thermostats with built in dehumidistats each.

If stat 1 calls for dehumidifier then it will close switch and complete 23 vac to trigger dehumidifier.

If stat 2 calls for dehumidifier then it will close switch and complete 23 vac to trigger dehumidifier.

If BOTH stat 1+2 calls for dehumidifier will i be sending 23+23vac = 46 vac to the dehumidifier on terminal? or is it always 23 VAC i don't want to damage the unit.

Will my crude drawing below work ok?

Thanks Again


 
  #2  
Old 05-07-10, 12:50 AM
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Your drawing is fine and will work as you desire. What you have done is to effectively put both humidistat switches in parallel.
 
  #3  
Old 05-07-10, 05:18 AM
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The way the circuit works is, if either switch is closed, the 23v source has a current path. If both are closed, the power source has multiple paths. It will not generate double the voltage, it will just be able to flow through either thermostat. The switches don't generate power, that happens in the transformer in the unit itself. Multiple switches don't affect that potential voltage.

There is no electrical risk in this, it is a valid automated control schematic.
 
 

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