Dayton 3/4 HP Condenser Fan Motor, Permanent Split Capacitor, 1075 Nameplate RPM, 208-230 Voltage, Frame 48YZ: Industrial & Scientific

Dayton 3/4 HP Condenser Fan Motor, Permanent Split Capacitor, 1075 Nameplate RPM, 208-230 Voltage, Frame 48YZ: Industrial & Scientific

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First off, let’s give credit and thanks to the HVAC guys who handle emergency calls and get people up and running the same day and then take the time to make how-to videos for the rest of us cheapos who would rather wait for a part to arrive than to pay for professional services. This was a perfect replacement part and an easy install; Switched out the compressor fan motor in about 15 minutes and had her back up and running.

Long story short, I have a Trane unit and I noticed the fan not spinning and the compressor just buzzing. Checking out recommendations on the internet, I started by testing the run/start capacitor using a multimeter and everything looked good with it. I also tried spinning the fan blade manually by reaching a stick into the unit, but that didn’t work. I then turned the compressor off from the breaker and let it cool down for about 30 minutes. While it was cooling, I opened the top of the unit to gain access to the fan and motor. The blade wasn’t really spinning freely like it should and the motor was hot to the touch. After 30 minutes, I flipped the breaker back on and the fan started spinning, but it was obvious that it was not at the speed that it should be and in about 10 minutes it quit working again.

I searched on amazon for a “Trane fan motor” and this item was the first thing that popped up. I verified RPM, HP, voltage and resistance values and they all matched the motor I was replacing. Another thing to note is how your current fan motor is wired up so that you can replicate it. Mine had a 3-wire connection, 2 to the capacitor and 1 to some other component. Luckily this item also has only 3 wires which again, matched exactly what I was using. There are great videos on YouTube on what to do with extra wires.

Following other online videos showing how to remove the fan from the motor shaft and reattach, I was able to do so with minimal issues and without special tools. Be sure to not accidentally throw away the screws that attach the new fan motor to the unit shroud cover itself. Once the fan motor is attached to the shroud cover, you can drop it into the compressor unit and run your wires to their correct contact points. Assuming things went correctly, you should be back in business.

5 days waiting on part to arrive, 2-3 hours watching videos and researching the part I needed, and 15 minutes to remove and install a new fan motor. Great Success!
So it took a little time and cross-reference checking to confirm that this motor would work in my Trane XL 14i, (which I did with the help of a competing online source selling the same motor for 3x the price).

The motor arrived on time. Armed with a 1/4"driver, a 5/16" driver, my trusty Ryobi impact driver, and a pair of needle-nose pliers, I made the swap in 20 minutes.

While the instructions were non-existent, simply paying attention to the wire colors of the old motor as I dissambled and hooking up the new motor in the same way made easy (and cheap) work of what would have been a $600+ repair had I brought in a local tech.

If working with electricity and around large capacitors scare you (or if these words don't make sense to you) - then hire an expert.

But if you have ever wired up a car stereo and you understand that shorting a start-up capacitor is a bad idea (and you are confident you can avoid doing that) - then this is a repair you can do yourself.
Did the trick. Be sure to match OEM specs for HP, amps and rpm. Found out the hard way when I bought the first replacement motor which didn’t match rpm spec. Due to pitch of fan blades, the higher rpm caused over current and thermal overload leading to shutdown.
Fit perfectly in my heat pump

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Price: US $202.30
Rating: Previous / 5.0 fromReviews

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Specification

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Description

This commercial-duty motor features a high starting torque, a cool running temperature, and a reversing plug. It is suitable for outdoor air conditioner and refrigeration condensers, and can also be used on heat pumps. It can be mounted vertically or horizontally. Both endshields are totally enclosed with removable drain plugs. The shaft is double-flat and features a slinger.

Item: Condenser Fan Motor
Motor Design: Permanent Split Capacitor
Phase: 1
HP: 3/4
RPM Range: 1001-1100
No. of Speeds: 2
Voltage: 208-230
Motor Shaft Rotation: CW/CCW
Frame: 48YZ
Motor Enclosure Design: Totally Enclosed Air-Over
Motor Mounting Type: Stud
Motor Mounting Position: All Angle
Shaft Dia.: 1/2"
Shaft Length: 5"
Motor Thermal Protection: Auto
Max. Ambient Temp.: 60 Degrees C
Nameplate RPM: 1075
Motor Application: HVAC/R
Motor Sub Application: Condenser Fan
Hz: 60
Full Load Amps: 4.0-4.5
Ins. Class: B
Motor Service Factor: 1.00
Motor Bearings: Ball
Overall Length: 11-1/16"
Length Less Shaft: 6-1/16"
Body Dia.: 5-5/8"
Bolt Circle Dia.: 5-1/8"
Stud Quantity: 4
Mounting Stud Pattern: 3-5/8" x 3-5/8"
Stud Size: 3/4"
Nominal Efficiency: 69.30%
Lead Length: 30"
Motor Shaft Design: Double-Flat
Features: Reversing Plug, Totally Enclosed Shaft Endshield and Shell, Removable Drain Plugs
Duty: Continuous
Capacitor Required: 2MDV9
Application: HVAC
Standards: UL Recognized (E37403), CSA Certified (258501)

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works great
Very good

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• Package Dimensions‏:‎2 x 2 x 2 inches
• Date First Available‏:‎September 24, 2018
• Manufacturer‏:‎CAI - DAYTON
• ASIN‏:‎B07HLTY6MD

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