Condensate pump keeps running
SOURCE: water keeps running into humidifier even furnance blower is not
This sounds like, the 550 transformer is not connected to the blower motor power connection (in parallel)
SOURCE: keep running
You should have a #50 relay hooked up to the main blower assembley to turn the 24 volts on and off with the blower to the humidistat. Alot of humidifiers sold do not tell you about the #50 relay. They assume that you are a hvac pro and you aready know about.
Good luck
HVAC Teacher
SOURCE: My water never stops running into Aprilaire 112
Disconnect the two yellow wires. The water should stop. If it does you have a bad (or miswired) humidistat. If the water does not stop the solenoid valve is bad. These valves are known to be expensive. You might want to consider replacing the whole unit.
Good luck
HVAC Teacher
SOURCE: aprilaire 600 humidier: water continuously runs
sounds like you may have it wired to a continuous power source vs one that shuts off with the furnace. The most common wiring is red to C & white to W
SOURCE: my aprilaire 600 continues to
Hello, usually when a humidifier continues to run with the furnace off it means that the solenoid valve is stuck open and must be replaced.
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