SOURCE: HONEYWELL HE260
Unless you are using a current sensing relay or sail switch, you need to get the humidifier power from the blower motor supply so it only operates when the blower is on. Since you can manually control the humidifier, there is not a fault with the solonoid.
SOURCE: No Water flow thru Humidifier
Loosen the brass fitting where it connects to the soleniod valve. If water comes out your saddle valve is ok. Carefully retighten this fitting. With the humidifier turned on loosen the first fitting down stream from the valve see if water comes out. if it does turn the humidifier off and see if it stops, it should. That will tell you the the valve is ok then, just clean the filter and the oriface. if it does not turn on and off check the wiring. if ok replace the valve.
Good luck
SOURCE: Installing the Honeywell HE360A humidifier.
should be 2 wires going to humidifier you will connect wires from humidistat to them.
SOURCE: I have a Honeywell House humidifier HE 225A-1006.
In order of probability:
1) (incorrect wiring) Make sure that humidistat is in SERIES wired with the furnace.
2) (shorted wires) Check that two wires to humidistat are not touching...use your glasses if you need them!
3) (bad humidistat) disconnect the humidistat and put an ohmmeter accoss the two terminals when it is turned on you should read 0 ohms, and when off it should read infinate ohms, if not pass both these tests, you need new humidistat.
That is it, there are no other possibilites!
SOURCE: Honeywell HE260 leaks somewhere
Neither, even if the solenoid or humidistat stick, it should always drain properly. Is the unit mounted on the cold air return duct or the supply plenum? If it's mounted on the supply plenum, the water panel might be getting blown forward and spilling the water. High efficient furnaces also can leak water on the floor if its drain is restricted. If hum. is mounted on return duct make sure drain is clear by blowing through it. On Honeywell hum's I've seen the rubber hose from the solenoid valve to the distributor tray leak too, check the rubber 1/4" hose.
Unless you are using a current sensing relay or sail switch, you need to get the humidifier power from the blower motor supply so it only operates when the blower is on.
Since you can manually control the humidifier, there is not a fault with the solonoid.
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