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Emerson 47D01U-843 Controllo sbrinamento pompa di calore universale

Brand:White Rodgers

3.3/5

€
156.44

47D01U-843 - Controllore sbrinamento, serie 47D, pompe di calore universali, 24 Vac, da -40°F a 150°F

Quantity
Aggiungi al carrelloCompra subito

EAN: 0783325941820

Categories: Strumenti e miglioramento della casa, Impianto idraulico grezzo, Pompe acqua, parti e accessori, Accessori per pompe,

Prezzo per: Ciascuna Temperatura operativa min: -40°C Temperatura operativa massima: 65°C Gamma di prodotti: SERIE 47D.
Batteries Included? ‎No
Batteries Required? ‎No
Country of Origin ‎Mexico
Customer Reviews 4.3 4.3 out of 5 stars 46 ratings 4.3 out of 5 stars
Is Discontinued By Manufacturer ‎No
Item model number ‎47D01U-843
Item Package Quantity ‎1
Item Weight ‎13.4 ounces
Manufacturer ‎WHITE RODGERS
Part Number ‎47D01U-843
Product Dimensions ‎8 x 5.5 x 2.75 inches

3.3

10 Review
5 Star
73
4 Star
7
3 Star
0
2 Star
12
1 Star
8

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Scritto da: Garry Boyer
It's best to cut the 240V power to heat pump during ...
It took a lot of diligence to install (labelling all the wires correctly, configuring it, etc) but I finally got it to work. Tips: 1) It requires configuration while powered. It's best to cut the 240V power to heat pump during setup, and just run on the 24V from the transformer in my opinion. The "test defrost" was too risky in my opinion, if you are not a certified professional, since that requires 240V power with the case open and fan exposed. 2) Location of coil temperature sensor. Bryant/Carrier puts the original defrost thermostat exactly on the part of the outdoor coil right when the evaporation starts, on the very bottom where the most ice accumulates. That part tends to be the coldest because the refrigerant hasn't had a chance to go through the heat exchanger yet. If you install the White-Rodgers temperature sensor there, you'll still get some unnecessary defrosts, especially at the beginning of a cycle. I did some testing. It works best on the elbow after 1 or 2 loops through the heat exchanger. If you go too far into the heat exchanger, it will terminate defrost too early, before all the ice has melted. I stuck with the 2nd coil and set the defrost termination temperature to 80 degrees to compensate. 3) Delay. the White-Rodgers board gives an option of a 12- or 30-second delay where the compressor shuts off, which reduces the horrible noise when the reversing valve engages. 4) Don't put the outside air sensor near the air discharge of the heat pump. Miscellaneous tips: 5) I save quite a bit of energy by disconnecting the defrosting W wire from the air handler. It prevents enabling the heat strips during defrost, which does mean some cold air during defrost, but it's actually not that bad at all, and sure beats paying for the heat strips. 6) If you're advanced, it's helpful to have a separate energy monitor for the heat pump where you can clearly see when it's engaging defrost. We now only get defrosts in early mornings, and it would be a lot of work to go outside all the time to check on it.
Scritto da: Ralph
Awesome Device!
This product is awesome! I couldn't be happier with it :-) Initially I had trouble getting it to work right - the trouble was with where the coil temp sensor was placed. DON'T CALL the AMAZON FREE HELPLINE! They had me do some strange tests which I think just damaged the device. I ended up returning the item and getting a free replacement. With this second try I removed the old sensor and placed the new sensor exactly where the old one was; I also wrapped the sensor in Aluminum foil and electric tape. I left the "OEM Quick Setup Options" on 8 - "Factory Default" and everything runs like a champ. More efficient than it ever ran with the original Carrier defrost board. I own an old 38YKC Carrier Heat Pump. I also changed from a (overpriced piece of $h*t) "nest" thermostat to a Sensi Wifi thermostat (also an Emerson product) - everything is running perfectly now!
Scritto da: dborn
Fully configurable defrost board that offers timed and on-demand defrost logic
Perfect if your defrost board needs replacing or if you want to have on-demand defrost on your existing "timed defrost only" heatpump. Easy to install, easy to configure, works well, instructions easy to understand. A few less positive points: my heatpump doesn't give access to the high-pressure switch so I disabled this function on the board and left the two wires unconnected. The board still threw an error and refused to start the compressor. I installed a jumper between the two HPS wires and it now works fine. Also, I tried contacting the manufacturer by email at 3 occasions and got no response whatsoever. I didn't try contacting them by phone though. All in all, it's still the only show in town if you're looking for something else than just a straight replacement. **Update almost 3 years later: I managed to splice out the high pressure wires and connect them directly to this board to allow for this functionality. It's still going strong in the summer or winter, dry or humid weather. No complaints whatsoever.
Scritto da: Amazon Customer
So far so good
Installed on my Carrier Heat pump after OEM board went bad. Went with this board because I could upgrade to on demand defrost AND it was cheaper than exact replacement OEM board.. Easy install for a mechanically/electrically inclined person. required a fair amount of wire cutting/splicing which was nerve racking versus just buying another oem board but otherwise about ten close looks at the manual got me through and the board works great. Haven't seen an on demand defrost yet as i installed it at the very tail end of the heating season (well above freezing temp). I assume it will work fine. if it doesn't, I'll program it back to timed defrost which the board also does. has worked fine all summer in Ac mode.
Scritto da: Unseenthings
My heat pump is no longer an igloo
The defrost board on my long discontinued heat pump failed. Rather than trying my luck on finding a used part I decided that I would try this and gain auto defrost at the same time. After a careful study of the new and old board and current wiring I was able to get this installed and working.
Scritto da: Red Jetty
I like alot but..........................
after about 2 weeks after professionally installed it started throw codes,,, hvac man cleared codes and it continues to do so,,, I called white rodgers about it they said to do a hard reset, I did as they directed but still no good.... my shipping date is up on feb 18 for a return but since we are in a 30 yrs record setting cold and snow here in ark. i cant get anyone out to remove it to ship it back in time,,,,, hopefully the extended 3rd party i boght will stand behind it??? rj
Scritto da: Bill B
Works as it should
Not exactly diy but it is a great setup if you know what you are doing
Scritto da: Bill Wheeler
Works great, easy set up.
This was easy to install and set up. I love that it has a little display that shows fault codes if there is a problem.
Scritto da: Chris Burns
Easy install and setup. Save on average 150$ per year if you have a silly carrier machine
I'm a electrical engineering technologist. To me the instructions were clear and very easy to install and setup. Two self taping screws. Removed connectors from old board. Removed the pins from the old connectors. Pluged in the new connectors and voila! Should save many useless defrost cycles increase system efficiency and decrease wear. Thanks !
Scritto da: Martin@
Tous simplement parfait
Apres une saison complet hivernal Je peut vous dire que ca fonctionne parfaitement et les cycle de defrost sont réduit qu'au besoin donc je réalise des économies (15 a 20%). l'instalation est facile mais tous de meme réserver au personne qui comprenne le plan électrique et fonctionnement

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