Did my 1st install, watched this video at home a day before. It went smoothly. Thank you

Brand new furnace and A/C 5 months ago. Since the weather change in NJ , house was always less than 20% humidity but controller set to 40% . Added jumper now works like it should. Thank you so much.

My humidifier was incorrectly installed by HVAC tech (6 years ago!) and didn't work until I watched this video and re-wired it correctly. Very helpful.

I bought this controller and wired it according to the book. No power was getting to the solenoid so I called Honeywell. They had me take the 24V hot lead and touch it to both U wires, then just to one U wire. They claimed my solenoid was bad. This was the weirdest troubleshooting experience I've ever had. I asked if the 24V should be transferred to the U contacts when calling for humidity and they said yes. Clearly Honeywell tech support has no idea what they are talking about. Thanks for the video - now it makes sense.

Wow this worked on my setup that uses a pressure switch. Amazing how the instructions for this are way off! Thank you for posting this video!

Thank you for this just installed this same unit on my furnace and was stumped as how to wire this thing. now i do much appreciated sir!

Why can’t the stinkin manual tell us this? Sheesh!!! Thanks for posting. I just bought the house with the humidistat installed, and I’m pretty sure it never worked. The prior homeowner was trying to run a dehumidifier with it. I discovered the dehumidifier was set to always on and I think I know why now.

This jumper wire worked for me. I have an older furnace with a stand alone transformer that powered an old humidifier. I connected it just like u sad to get the solenoid to open and it worked! I couldn't find this method anywhere else on the internet. the down side is that the humidistat only will be on when the fan is running.

Thanks for the video, I tried installing it this way and it works, But i think the correct way to do this is to run your r/c 24v power to the humidistat. I then took a 3rd wire from furnace that controls heat, I believe it is Y, I ran that to the first U contact point. I then took both humidifier wires i ran one to the bottom U contact point and the other to the common on top. The advantage is that the humidistat does not shut off every time the heat shuts off but will still only run when needed when the heater is running.

Good video you saved my day.Thanks

Have not heard the term dry contact before but I do know NO&NC. Cool, good stuff!

Jumping the cables as you did still allows to the humidistat to open and close the solenoid according to the humidity setting ( for example 30%)? Or the solenoid valve will be open every time that heat is call regarding the humidity setting?

I have a Honeywell HE300A1005 humidifier and am wondering if there would be a way to delay humidification until the fan has been on for enough time to get an accurate reading of the relative humidity on the return duct mounted HumidiPRO Digital humidity control? The return duct tends to get a false humidity reading for the house since the fresh air intake damper is connected to the return duct and brings fresh air into the house if a bath fan, range hood, or other venting appliance is running. This causes the humidifier to run at the beginning of almost every call for heat regardless of the outdoor air temperature because of the false reading.

Im about to install this same controller. I understand where c and r and the outside sensor go. But am confused about the 2 U's. I have a terminal labeled HUM, should that go to the top u? And the bottom U go to the humidifier relay switch? Then where does the other humidifer relay wire go?

great vid! i gave it a try but my humidipro is stuck on reading 99% humidity. How do I reset this? please and thanks!

Hi, after I installed and test it with select 1 or 0, my humidiifer is run or stop are fine under test mode, but exit the test mode, I dont know how to use it, on the screen left side is 35% and right side is setting 8.. the buttom up and down just set from 1 to 10 on right side.. that's all I see .. I have try setting 1 or setting 10 is no respond with furnace heat is running .. i can't find any info to use the humidipro from the web after 2 days googling ..

does it accurately pick up the humidity being on for only a short run? I saw that you mentioned it always remmebers the setpoint? is this the case?

The manual for this humidistat really does suck. It doesn't mention having to do this but if you look at the wiring diagrams (besides the very first one on page 7) it shows one leg of a transformer being wired to the top U contact (in every diagram) and one side of the humidifier wired to the lower U contact. It makes sense that the jumper would be needed if you're not wiring a transformer right to the U contacts.

Yeah, I have a HumidiPRO H6062A1000 installed in my house, only wish it was wired so when 1: The thermostat is switched to heat setting (fan is on Auto) and, 2: HumidiPRO calling for humidity regardless of the temperature, together the furnace fan starts and humidifier lets water pass. So, would I need to purchase a Double Pole Single Throw (DPST) Relay in order to achieve this configuration? I hope this makes sense...

Technical

Are you sure the U are always open? This doesn't follow the wiring instructions in the manual

Does the HumidiPro only power up when the heater switches on?

You have it connected wrong, it needs constant 24v , it should be wired to the C&R on the control board.

Even this video isn't really correct. The HumidiPRo instructions state the device should get constant 24VAC power and it should NOT be wired to the transformer. The jumper did nothing for me.