Aprilaire - 600MZ 600M Whole Home Humidifier, Manual High Output

Aprilaire 600M Humidifier and 3rd gen Nest Thermostat InstallThis is a fairly easy project, but there are many steps involved, and a lot of info to gather. I am writing this so you should have everything you need in this review to do the project. There are many wiring diagrams you may stumble upon. I have included the 2 best ones I have found. I only had 4 wires in the bundle run to my thermostat. I had AC, heat, and fan. I ran 18/8 wire so I would have 8 wires total. Then I could have 1 for common so that the nest would always be powered, and * for the humidifier, 2 more than my original 4 bringing the total to 6 wires, leaving 2 extra to futureproof. The 18/8 wire is more expensive per foot, but I only needed 30â (bought locally). 18/7 comes in a 50â roll, so the price was the same. Just measure how much you need, then add about 5-10â to be safe. Some systems have dual fan speeds and such, which are many times not used, but the nest may be able to use them. Find your furnace manual online or look at the wiring diagram(s) inside the furnace access covers if there are any. If you have to run more wire, plug the wires in to the nest setup website, so you can use the same colored wires they did to minimize confusion. If you have extra unused wires, put both ends in a wire nut to be safe. I first wired everything without the included transformer and was using the furnaceâs built in transformer, see attached wiring diagram. When I first turned everything on, it all seemed to work fine for about 5 seconds, then smoke blew out the side of the solenoid valve! I turned the heat way down and let the furnace finish its cycle and the solenoid valve got pretty hot so there was definitely a short. Amazon sent me a new solenoid valve so no big deal there. The reason for using the included transformer with the relay is to isolate the humidifier solenoid from the furnace and Nest, and this experience proved to me why that would be important! The downside to having a dedicated transformer to the humidifier is that it is always on, and drawing extremely minimal power, but its still power. You may be able to wire the 110V side of the transformer to the extra contacts on a 6AZU3 relay so that there is no such loss, or maybe the relay can control the 110V side and then 24V side always stays connected using the 6AZU2 relay, do some research and try it!I mounted the relay and extra transformer inside the furnace next to the control board.I took the solenoid apart, and it looks like the windings shorted out to the outside case. Iâm not sure if it would cause more harm than good, but you could take apart the solenoid before powering it up to check that nothing is shorting with the outer casing, maybe add some electrical tape around the windings, but you risk damaging the wires that power the solenoid. If you need/want to take it apart, take off the nut on the end, then the small rubber grommet. Now the electrical part of this should slide off the shaft. The slotted part (for a flathead screwdriver) does not need to be taken off, that just holds the water valve in. Then push the yellow wires in to the housing while carefully working the windings out of the housing.Keep in mind that the Nest does not have a built in table to decide what humidity you need for a given outside temperature, as described in the Aprilaire operating manual. I have read that the Ecobee thermostats have this kind of table built in. There is a website mynestreports that has some custom settings you can use, including this very table, for the Nest. His values are exactly what is in the Aprilaire owners manual for the M versions. You just log in with your Nest login, and check the boxes and it works. Many complain about this, so I wish Nest would add this feature to the software! Also, the Nest and the app, configured in Hum. will allow you to adjust the Rh more precisely while the Hum. + heat option shows you rain drops on a slider scale. The rain drops do correspond to a 5% increment, as verified on mynestreports.com. So if you set the Aprilaire up using hot water, everything else the same, and you could control the fan, you could use the Hum. setting and see the Rh. Minor point.Iâve run the humidifier now for about a month, and after the house absorbed the moisture, the setup holds my set humidity well. I added 5% to the humidity numbers in mynestreports for everything below 40%, so 40 % is repeated. This is because my heater runs a long time in the morning to warm the house back up from being turned down at night. The day temps are higher, so I wouldnât get as much humidity as I could because the morning heat run would cut the humidifier early for the current morning temp. Basically, on mynestreports you can see how long the heater has been on, and how long the humidifier has been on. If the times are the same the humidifier is on whenever you are heating and you are getting as much humidity as you can using cold water. Just keep an eye on the windows for any condensation.Keep in mind that the advertised size of house that the Aprilaire 500 and 600âs can humidify is probably based on using hot water to evaporate more water. I have an on demand heater, so I did not want to run the water heater all the time. I therefore bought the 600M so that cold water would work better. It seems overkill, but the prices are very comparable especially through Amazon Warehouse. Also, the yellow plastic orifice in the discharge tube is the same for the 500 and 600, so you are using the same amount of water either way, and electrically they are identical.Also, the 400 requires you to change filters twice per season, but it is more efficient with the water. You will need a drain of some kind for the 500 and 600. My furnace had a small pump on the side to catch water from the furnace and AC, so I just put the drain in the 3rd hole, works fine.I used a duct for a rectangular register, and cut it and bent it with some snips and sheet metal pliers, then sealed the edges with foil tape. If you look closely at one of the pictures, you can see that I left the corner of the duct intact, and its more of a vane now. I just used some pliers and sheet metal pliers to bend the corner into a flat plate, this keeps the duct more rigid. Your installation may be different, but try to minimize how long of ducting you need and turns.I almost had to move/modify my furnace vents, but there was enough clearance, keep this in mind for your installation.Also, consider using a level when cutting your opening and installing the unit, the water distributes in a tray on top, and you want it distributing evenly.There is a âNest Pro Installation Guideâ available. There are some wiring diagrams in there, which can be useful, but not complete or straightforward. The diagrams I have included should work for the nest. They recommend a different relay, but they do the same thing.You will need to go into the pro settings, just hit continue and ok etc. Use the dial to move down to the *. Select it, and set it up for being a humidifier. In the pro install guide, it says âPro Setup will show an Activate setting to specify whether heat needs to be activated for humidification to turn on. Bypass humidifiers should use the Hum. + heat option while steam, independent, or on-demand humidifiers should use the Hum. only option.â So in this case that means the humidifier will only turn on when the heat and fan is on. You can set this up to run the humidifier with the fan, and no heat, but you will need to plump the humidifier to hot water then, see the Aprilaire manual on their website.The 600M came with a saddle valve (I have read these are not the best), the manual humidistat, evaporation panel and all internals, but no wiring, ducting, or plumbing. Keep in mind the warranty is voided if you install it and are not a professional. The only part I could see breaking is the solenoid valve, and those are ~.Here are some links to useful tools you may not have. The non-contact voltage tester is pretty useful with the built in flashlight. The tin snips are hardened so they should last a long time. The pex tool was the cheapest I found, the smallest, which could come in handy in tight places and for storing it, and it comes with a tubing cutter and test gauge. I just cut my pex tube, put in a T, then a fitting with a shutoff to go to the humidifier. Klein Tools NCVT-3 Non-Contact Voltage Tester with Flashlight IWISS Pex Pipe Crimping Tool kit for 3/8",1/2",3/4",1" Copper Ring with Free Gaugeamp;Pex Pipe Cutter -Meet ASTM F1807 for Sharkbite,Watts,Apollo-Light and Portable MIDWEST Aviation Snip - Left Cut Offset Stainless Steel Cutting Shears with Forged Blade amp; KUSH'N-POWER Comfort Grips - MWT-SS6510L MIDWEST Aviation Snip - Right Cut Offset Stainless Steel Cutting Shears with Forged Blade amp; KUSH'N-POWER Comfort Grips - MWT-SS6510R Parts list:- Aprilaire humidifier of choice- Ducts and or vents- Sheet metal screws- Duct/foil tape- Thermostat wire, suggest 18/7 or 18/8 (Only if you donât have enough wires)- Crimp on electrical connectors- Electrical tapePlumbing (depending on the plumbing in your house):- Pex pipe, fittings (T, shutoff, union, etc), crimp collars- Copper pipe, fittings, solder, flux paste- PVC pipe, PVC fittings, PVC solvent/glue- Â¼â copper tube will be needed for any setup, that is what goes into the humidifierTool list:- Non-contact voltage tester- Voltmeter (I didnât end up needing one, but could have)- Tin-snips, suggest R amp; L hand- Wire cutter/stripper- Other common tools etc.

Aprilaire - 600MZ 600M Whole Home Humidifier, Manual High Output

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BUY WITH CONFIDENCE This humidifier was designed and manufactured in the U.S.A. by Aprilaire â the inventor of the whole home evaporative humidifier, and the leader in indoor air quality solutions
FULL COVERAGE up to 4,000 square feet in tightly built homes with a capacity of 17 gallons per day
MANUAL HUMIDIFIER with a single sensor built into the standard control monitors indoor relative humidity for use in manually setting the percent humidity in your home
FEEL MORE COMFORTABLE while also preserving items in your home susceptible to damage from changing humidity or dry conditions
HUMIDITY FOR HEALTH Aprilaire Humidifiers can help you maintain optimal humidity in your home of 35% â 45% which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites. In addition, youâll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions
Air flow capacity: 220.0 cubic_feet_per_minute

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Product description

Style:Humidifier

Product Description

Aprilaire introduced the first evaporative humidifier for forced air furnace systems back in 1954. Since that time, Aprilaire continues to lead the industry in whole home humidification systems. Our evaporative humidifiers work by piping water into the distribution tray located at the top of the humidifier. The water is uniformly distributed across the width of the tray and through a scientifically designed system of outlets. It flows by gravity over the Water Panel evaporator. Dry, hot air from the HVAC system is moved through the moisture-laden Water Panel evaporator. Natural evaporation takes place, the water is turned to vapor, and the humidified air is circulated throughout your home.

INCLUDED IN THE BOX: Installation instructions and template, humidifier with built-in bypass damper, 24 VAC transformer, manual humidifier control with sensor, saddle valve, solenoid valve, and Model # 35 Water Panel

From the Manufacturer

The Aprilaire Model 600M Whole-House Humidifier features a built-in bypass damper, which means fewer parts to install. The bypass damper is conveniently labeled for both summer and winter settings, allowing you to set it for the entire season with no guesswork involved. The Aprilaire Model 600 Whole-House Humidifier is simply the best performing bypass humidifier on the market.

From the manufacturer


Humidity for Health Humidity of 35% - 45% is shown to reduce the incidence of respiratory infections and allergies and asthma symptoms by minimizing the formation of bacteria, viruses, fungi, and dust mites.* It can also help prevent dry skin and premature wrinkles.** E.M. Sterling, âCriteria for Human Exposure to Humidity in Occupied Building,â ASHRAE Winter Meeting, 1985 *www.nia.nih.gov/health/skin-care-and-aging, content reviewed October 01, 2017	Humidity for Comfort Whether your home is in a dry region of the country, or in an area with seasonal dryness, maintaining the right level of humidity can make all the difference in how comfortable you feel in your home.	Humidity for Preservation Maintaining the proper humidity level can also help preserve wood floors, cabinetry, and furnishings, and anything else susceptible to warping, cracking, or other damage due to dry air or significant changes in humidity â including musical instruments.


High Output For Large Coverage	Manual Humidifier With a single sensor built into the standard control monitors indoor relative humidity for use in manually setting the percent humidity in your home	Aprilaire 35 Replacement Water Panel Designed to fit your Aprilaire Humidifier Model 600 perfectly (dimensions: 10" H x 13" W x 1.75" W), and to optimize the performance when changed once during the humidification season


	Aprilaire 500M Whole House Humidifier	Aprilaire 400M Whole House Humidifier	Aprilaire 600M Whole House Humidifier	Aprilaire 700M Whole House Humidifier
Home Size Coverage (Sq. Ft.)	3,000	4,000	4,000	4,200
Water Capacity (Gallons Per Day)	12	17	17	18
Sensor	Single Sensor	Single Sensor	Single Sensor	Single Sensor
Control	Manual	Manual	Manual	Manual
Humidifier Dimensions (Inches)	15.625 W X 13 H X 10.25 D	15.375 W X 15.75 H X 10.25 D	15.375 W X 15.75 H X 10.25 D	15.91 W X 18 H X 10.34 D
Replacement Water Panel Model #	10	45	35	35
Water Panel Replacement Timing Per Humidification Season	Once	Twice	Once	Once
Fan Included				â
Floor Drain Required	â		â	â
Conserves Water		â

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