Question about Humidifiers
Condensate pump keeps running
Hello, sounds like rhe solenoid valve is stuck open. This will keep water flowing through the humidifier even if the Furnace is off. The solenoid valve will have to be replaced.
Posted on Dec 02, 2012
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Posted on Jan 02, 2017
This sounds like, the 550 transformer is not connected to the blower motor power connection (in parallel)
Posted on Mar 04, 2009
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.
Posted on Mar 08, 2009
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.
Posted on Mar 08, 2009
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
Posted on Jan 13, 2010
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.
Posted on Feb 19, 2011
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