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Originally Posted by ajschlee  Thanks!
I have everything installed and running! |
You are welcome, glad to hear it's up and running.
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1. Do most people put the furnace fan on 'auto' - Or
2. Set the fan 'ON' and run the humidifier all the time - |
I had mine wired up to EAC instead of HUM the first winter I had it, and I seen that the humidifier ran more with fan (more wasted water), and last year switched it over to HUM to only run with the heat, and it kept up just fine, less water is wasted.. They work better with hot air going over the pad. so leave the Humidifer to run with heat only.
I have variable speed, so I run my fan 24/7 in the heating seasons, and AUTO in the cooling season.
The HUM wire will only power up on call of heat, EAC will power any time the blower is running.
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| 3. Also, I noticed that for water to even flow through the humidifier when the blower is running the humidistat seems to have to be slightly above 40. Is this normal or should I keep experimenting and see what setting works best? |
I run mine at 40%, and if the house is above 40%, it won't run. As you can see on the chart, the colder it gets, you should lower the % if you have frost building up on the windows.
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OK, I am really second guessing myself now. The Honeywell 220 installation instructions show mounting the humidifier above the furnace - hot air side and the bypass damper to the cold air return. Now I see a bunch of stuff online and from other brands that the ideal mounting is just the opposite!
What's really right? |
No need to second guess yourself. Either side works just fine.. Not sure why Honeywell only shows it on the supply. I have mine on the return side, and it works just fine..
The air flow will always come from the supply side to the return, so the pad is always going to have hot air going over it.
Lot of pro perfer the unit on the return, just in case if there is water problem, you won't have to worry about damage to control or anything on the furnace itself.