Typically, we find that the most common reason that you start to see leaking from the humidifier is that the water panel is not changed frequently enough. We do recommend that the water panel be changed once every humidifying season. We find a majority of our customers do this maintenance typically at the start of the humidifying season.
Here are the things to check when troubleshooting a power humidifier, which is leaking:
1.Position Of Unit On Plenum
Is the unit level (let to right)?
Is it plumb (front to back)?
Is the Feed Tube tightened or is there a crack in the tube?
3.Position Of Scale control insert-
Is the base of the scale control insert sitting firmly in the drain spud at the base of the housing?
Does the bottom of the scale control insert have a taper to it to direct water to the drain spud?
Is the Scale control insert positioned correctly? The scale control insert has a front and a back. The back of the water distribution tray has an indentation in it to allow for clearance of the nozzle, which is attached to the top of the base. If reversed, and forced into place, the water distribution tray will break off the nozzle attached to the water feed tube and potentially the housing, causing water to leak
4.Water Panel Assembly-
Are there aluminum strands hanging out of the scale control insert?
Is there a gap between the top of the water panel and the water distribution tray for air to go through?
Is the colored dot on the water panel, up?
Is there a consistent coating on the Water panel, or are there shinny spots or clumps of coating?
5.Water Entrainment (Water Blowing out of the Humidifier)-
Are there signs of entrainment? Mineral build-up on fan blade, shroud, inside of cover?
Is the static pressure in the plenum over .4w.c.? If so, entrainment and leaking could occur.
If there is no orifice in the unit, the water entering the system could flood the panel. To check
for proper water flow, a quart jar should fill at the drain line in about 2 ½ minutes for a red or blue orifice, 5 minutes for a white or yellow orifice.
Is the drain line plugged?
Does it have a good downward slope?
Is it teed with any other drain lines?
If the above items do not resolve the existing leaking we would recommend contacting the customer service line at 800-334-6011 for further technical support.
Customer Service Specialist
Research Products Corporationwww.aprilaire.com