Questions & Answers for: manual humidistat

...control. I assume the temp dial you are referring to is the humidistat. If it only works when you apply manual pressure. You have bad contactsin the humidistat. Replace the stat. Good luck HVAC ...

...humidistat is set to manual, and I've verified the voltage as well at the humidistat H terminals and found the same results (24V when not connected to the solenoid and heater on, 0.1V when connected ...

...in to the same humidistat. The only thing required is the outside air sensor (oas) be mounted outside and wired into the humidistat. Don't forget to remove the "manual" jumper from the

...humidistat conector. also he set the number 4 dip switch on. this wiring left me with a over heating 512, it was super hotn to touch on the outside of the unit eventhough the main 440A was off.please ...

...other settings? Humidity must be hi enough in the house or Humidistat is not working. Do you any way to check humidity in the house? If the Humidistat is set as Automatic, try to leave it as

...humidistat in manual setting. I am assuming that the humidistat is the issue. All worked well last year. reason why I asked they sometimes have a problem sensing current and you may need to wind the ...

...manual humidistat it started to work. Does this mean that the humidistat is bad? The water supply get to the solenoid and after I jumped the humidistat, it started to flow into the unit. HI sounds ...

...humidistat or something else? Thank you, Of course make sure unit is plugged in and all fuses are good or reset. Here is the owners manual for all trouble shooting: hope this helps. ...

...humidistat, and the new one (#4655) only has two because it is manual and doesn't connect to the outside probe, etc. What do I do now? I can't seem to find a 550A replacement. I ...

HUMIDASTAT INTERNAL RED LIGHT USED TO BE ON AND UNIT WORKED. LIGHT STAYS OFF AND UNIT DOES NOT WORK. WHEN I DISCONNECT AND REATTACH HUMIDISTAT POWER LINES, RED POWER LIGHT GOES ON FOR A SECOND AS DOES