Consumer question:
I plan on replacing my (2) 760 Humidifiers with two new 700 humidifiers and would like to receive installation instructions, particularly the wiring. Can you assist - I could not find anything on the site.
Aprilaires' response:
The 700 would be the correct replacement for the 760 humidifier. They are the same size and fit into same opening in the ductwork. The only difference would be how they wire into the humidistat. Also, each humidistat installs differently from each other.
All installation instructions come with the humidifier and humidistat.
Thank you!
Consumer question:
Our 760 has been installed for 14 years. The insulation material on either side of the fan had to be removed. Should I replace it with new pink fiberglass insulation? It appears that is where the unit pulls in air.
Aprilaire's response:
Thank you for you using Aprilaire in your home comfort system.
I am somewhat perplexed that your system had been operating for 14 years with insulation restricting the air flow. Normal installation does not necessitate the blockage of air into the humidifier. This may have been done to prevent water leaking from the humidifier in high static pressure within the duct system. I would recommend having an HVAC contractor look at the system to determine the reason for the use of insulation; it was not for filtering the air.
If you have additional questions, please contact us.
Consumer question:
I had a model 700 Aprilaire humidifier installed yesterday and have a couple of questions;
1) it seems to have a lot of water when running coming out of the drain tube, is that normal?
2) I had to install the hunidifier on the return side becuase there was no room on the feed side of the furnace. I put the thermostat on the return side also but the reading goes way up and then back down when its operating when it kicks on and off. Should I put the thermostat on the feed side so its not on the same side as the humidifier? Its running in manual mode right now, I have to run the sensor outside adn my basemnet is finished so thats going to be a challenge.
Aprilaires' response:
Thank you for choosing the Aprilaire line of humidifiers for your home comfort system.
The amount of water that is discharged down your drain should be approximately 3 gallons per hour. Your description of the extreme humidity swings when the unit is cycling on and off lead me to the conclusion that the humidifier control may be mounted too close to the humidifier, or is mounted between the humidifier and the furnace, allowing for the humidifier output to affect the sensing of the control. It is recommended , in the installation guide that the control should be mounted at least 6" upwind of the humidifier.
If you have other questions regarding your Aprilaire 700 humidifier, please contact us at the number below. We appreciate your business.
Consumer question:
I have an 600 model humidifer that has been working fine since installed. I noticed my house was dry this past week and discover an E1 error on the humidstat. I reset the unit a few times but the error keeps coming back.
Aprilaires' response:
Thank you for contacting us.
Unfortunately an e1 error code would indicate an issue with the relative humidity sensor on the back or an issue with the circuit board on the control.
The humidistat would need to be serviced by the point of purchase or another local dealer.
Here is our dealer locator if you need to find a recommended local dealer:
http://estore.aprilaire.com/catalog/installed-products/humidifiers
Consumer question:
I have a Aprilaire 600m model and should I conect the water supply to the hot or cold line.
Aprilaires' response:
Thank you for your email regarding your model 600M Aprilaire humidifier. Your Aprilaire humidifier will operate on hot, cold hard or soft water. We do however recommend hot water as it will increase the evaporative capacity of the humidifier. Hot water will also allow you to operate your humidifier during a fan call. A heat source is required for the evaporation process. During a fan call the only source of heat is hot water.
Consumer question:
I plan to install the UV-C light in the supply air plennum above the AC evaporator coil. How far away from the humidifier should the light be? I understand the UV light may damage plastic parts? or is there no problem?
Aprilaires' response:
Thank you for your email regarding your Aprilaire UV-C Light. You are correct, the light will damage the plastic parts on your model 700. Mounting your UV light at least 8 inches above the AC coil the model 700 cannot have any direct light. Therefore you can shield the light from the model 700, or a better alternative would be to move the model 700 to the return side of your HVAC system and supply it with hot water.
Consumer question:
I have manual control for my whole house humidifier. I've been noticing water on the windows in the morning. When I look at the humidistat it is set for 32% (doesn't say RH but thats what I assume). I got another Aprilaire humistat that just measures RH and put it on top of my existing control. Where the existing control indicates about 32%(5% hysterisis) the standalone unit indicates 44%RH. How do I know which is correct and what do I do if my existing manual control is wrong? IS there a way to clean or calibrate it?
Aprilaires' response:
Thank you for your email regarding your Aprilaire humidistat. If you turn the dial from left to right you should hear two clicks. The actual humidity in your home will be the area between the two clicks. For example, if the humidistat clicks at 30% and 36% your actual humidity would be 33%. There is not a way to calibrate the humidistat. It is unclear from your email if the original humidistat is an Aprilaire humidistat, so it is difficult to say if it is out of spec. The accuracy of our Aprilaire manual humidistats are +/- 5%
The moisture on your windows is due to the surface temperature of your windows reaching dew point. This occurs when there is more humidity in the home than what the home can hold based on the current outdoor temperature. As the temperature outside drops you want less humidity in your home. For example when the outdoor temperature is 20F or above we recommend 35% humidity at a room temperature of 70F. If the outdoor temperature drops to 0F you'll want 25%.
Thank you for giving us the opportunity to be of service.
Consumer question:
I didn't notice this until recently, but our Aprilaire 760 runs regardless of the furnace blower running, whereas our 550 model does not. Is that typical for the 760?
Aprilaires' response:
Thank you for contacting us with regards to your model 760 Humidifier. Both the 550 and 760 should run only when the furnace is on, or at least the blower is running. When there is no air moving through your ducts, Aprilaire humidifiers should be off, as well. If your 760 runs without the furnace, we would recommend that you contact either your original installer or current Aprilaire service technician. If you don't have a current technician, please visit us online at www.aprilaire.com and enter your ZIP code into our dealer locator. You should get contact information for several nearby companies.
We appreciate the opportunity to be of assistance.
Consumer question:
Does anyone make in-the-wall humidifiers that are silent ( like ultrasonic ) but won't put out minerals or chlorine? We want something for our bird room, that won't make noise when it comes on, like our Aprilaire 360 does, because we don't want to scare the birds at night while they sleep.
Aprilaire response:
Thank you for contacting us.
We don't have an Ultrasonic Wall unit. Our 360 is our only wall through offering. This unit has a decibel rating of 73.
One option might be our 800 steam humidifier with our 850 fan pack. The fan pack would be mounted in the wall and has a decibel rating of 50. There would be some fill and drain noises associated with the 800 itself but those could potentially be mitigated by an installer.
Consumer question:
My Aprilaire model 760 humidifier that has worked great for the last 11 years has a short that apparently cannot be repaired. So what would it cost to get a new one that will fit my furnace exactly like my 760 did. Also the cost of a new one, or can mine be sent in for repair.
Aprilaires' response:
Thank you for using Aprilaire products in your home comfort system.
I am sorry to hear that your model 760 has failed after 11 years of service. I am please to let you know that you local heating and air conditioning company can assist you in obtaining a replacement for your model 760. Our current model 700 humidifier would replace the model 760 for area coverage, the dimensional size may vary slightly.
Consumer question:
No water comes in to the model 500 aprilaire humidifier when running. Could it be a problem with the solenoid valve??
Aprilaires' response:
Thank you for contacting us.
No water could be an indication of an issue with the solenoid valve.
If you have an Automatic Control try putting it into test mode:
A. No click at the solenoid valve indicates an electrical problem. Contact the heating and air conditioning dealer to further check the electrical components of the Aprilaire Humidifier.
B. If the solenoid valve makes a click sound and there is no water draining from the unit, this would indicate the flow of water is being obstructed.
1. To determine if water flow is being obstructed, turn the dial of the humidifier control to the off position. The first location to check for an obstruction would be at the saddle valve located on the water line supplying water to the humidifier. When checking the saddle valve, make sure it is completely open. This can be done by turning the valve all the way to the left. If anything is clogged, it can be dislodged by turning the saddle valve all the way to the right and back to the left. Once this is done, turn the humidifier control dial above the click point and water should be coming out the drain line.
2. If water is still not coming out of the drain, check the orifice and in-line strainer to make sure they are not clogged. The orifice is located in the tube on the outlet side of the solenoid valve and the in-line strainer is located on the inlet side of the solenoid valve (see attached). The orifice may be cleared by inserting a needle through the small opening. The strainer may be cleaned by running it under warm water to dislodge deposits or replace it. After clearing and re-installing the orifice and strainer (be sure to double wrench all water connections), turn the humidifier control dial above the click point and water should be coming out the drain line.
Consumer question:
We had our A/C system replaced last year. We had an Aprilaire filter system installed at the recommendation of the contractor. He said that the filters were Aprilaire 2120/2140 and a Humidifier Panel 400. What is your current replacement for these. I do not see them on any site selling your product.
Hi there, I live in South Africa and in winter the humidity levels can drop to 9%. The only humidifiers we can get are the cheap ones from the pharmasy that dont work or create white dust on all your furniture. I have a 300m2 home and I would love to humidify the whole home. I dont have any ducting, we have airconditioning which are split units. Can I install ducting for your product? I would like to have a controlled unit in each room. Also please let me know if your products are available in South Africa, if not can we purchase online and ship to SA.
Name: Colin
City: JHB
State: South Africa
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