Questions tagged [capacitor]

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Hvac unit wiring

Was replacing the capacitor to see if I could get my air conditioner to work. This wire came off and I am unsure where it goes. An electrician that came out to check our electric box (long story) ...
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1 answer
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Rating Listed backwards on capacitor?

I understand the ratings on capacitors but when checking this one and noticed that instead of it saying 40/5uF it was written backwards as 5/40uF. I am not in the HVAC trade but never saw that before ...
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1 answer
50 views

Slow fan, not the capacitor

The fan in my oldest's room is running slow. My youngest's has the same exact fan. Swapped the fans, the youngest's fan in the oldest's room runs slow as well. Oldest's fan in youngest's room runs ...
1 vote
1 answer
80 views

HVAC, outdoor condenser fan not turning on intermittently

A few weeks ago, I noticed my HVAC was blowing hot air. I looked outside and my condenser fan was not spinning. With a push from a stick, it started and and was back to normal. Over the next couple ...
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York affinity 8t outside fan won't start. Replaced the capacitor

I have a York Affinity 8T AC unit. On June 20, it stopped cooling the house. I saw that the outside fan was not running. After a bit of Googling, I decided to try replacing the capacitor, 30+5.0 +- 6%...
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1 answer
171 views

can I replace two run capacitors with one dual run capacitor?

In this unit https://ameristarhvac.com/wp-content/uploads/pdf/M4AC3-Air-Conditioner-Installation-Manual.pdf Can I replace the 35uF capacitor and the 6uF capacitor with a 35/5 dual capacitor? If so, ...
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1 vote
1 answer
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Replacement capacitor for fan lights

The lights on my fan stopped working, and changing the switch didn't help. When I try to turn it on, there's a little clicking sound that I believe is coming from the capacitor, and they flash on ...
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1 answer
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Desk fan not starting. No hums and blades don't spin [closed]

I have a desk fan I've been using for almost two years but for whatever reason, it stopped working whenever I try to turn it on. The fan has three speed control buttons and none of them works. I also ...
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3 answers
127 views

How to size inducer motor capacitor?

I have an ICP gas furnace which won't start and I've diagnosed the problem to a bad capacitor on the inducer motor. The motor spins freely and measures good resistance, so I'm going to try replacing ...
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1 answer
43 views

Air-conditioner fan & compressor fails to start

The unit is air conditioning only and is older (unknown age but at least 10 years, possibly 25). Power was restored to the outdoor compressor and fan: the fuse was somehow dislodged and is now back ...
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2 answers
169 views

How to wire 2 ton ac blower for shop fan?

This is the blower I'm trying to be able to plug in. Capacitor is already connected.
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1 answer
83 views

HVAC condenser capacitor testing

After some research, I decided to try to fix an intermittency problem with my AC by replacing the capacitor as a likely yet inexpensive (mistake if not the) cause. The capacitor has three terminals, C(...
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-1 votes
2 answers
427 views

Capacitor choice for ceiling fan

My ceiling fan stopped working and, after performing an analog multimeter test of the capacitor, I have a reason to suspect that it is the cause. However, I am unable to find a replacement that ...
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-1 votes
1 answer
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Can a larger well pressure tank stop the main overload from tripping under heavy water use?

This has me stumped. 2HP well pump down 700 feet. Runs fine all winter spring and fall. But in the summer my pool auto top-off sometimes causes the water to run and run. If I also water the lawn,on ...
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1 answer
111 views

Need to determine the correct start capacitor for hvac unit

I need to replace the start capacitor in my HVAC unit and I don't see any identifiable markings on it. This unit also has a heat pump. I believe this start cap is for the heater. I found the part ...
1 vote
1 answer
351 views

Fan capacitor replacement question

I have a pedestal fan, and the capacitor needs to be replaced. Unfortunately, I cannot find a replacement online. Here are the specs: 2-wire 5.5 uf +- 10/5 % 250 VAC 50/60Hz MAX TEMP 70 C E166700 G ...
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1 answer
176 views

Ceiling fan capacitor acceptable alternative?

I need to replace the capacitor on my ceiling fan. It's 5 wire 4.5 microfarad 350 volts 6 microfarad 250 volts 6 microfarad 250 volts. The closest 5 wire replacement I can find is 4.5 microfarad 250 ...
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2k views

(yet another) Ceiling fan capacitor identification and replacement

Could I get some help identifying this blown (and very smelly) capacitor from a ceiling fan, and maybe suggest where replacements may be found? I'm not sure how to read the label. Also there is no ...
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374 views

Which AC Hard Start kit capacitor I should use?

My AC system is getting very old and I was wondering if I should add a Hard Start kit and with what spec? Here is my AC spec included below and the existing Dual Run Capacitor is 440volt and 40+5MFD.
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Will a To-5 kickstart cap for 1 to 3 ton units possibly be able to help a 4 ton unit compressor start at all? Ri

Will a T0-5 kickstart capacitor be strong enough to help start a 4 ton unit?
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188 views

Is it OK to underpower a run capacitor?

Have to replace a 55uf MFD 440 Volt VAC (model 97F9042). Is it OK to, at least temporarily, replace it with a 45uf 440V one (model ITAN PRO TRCF45)? (Some specific details of my situation. It's not ...
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How can I wire this motor’ capacitors?

I am trying to repair this low viscosity fluid pump, I have the original start and run capacitors but do not know how they are wired. When I found the pump Z2 and U1 were connected between which ...
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265 views

LUT MLC when Neutral does not Connect to Light?

I have a Lutron Caseta switch (PD-5S-DV) connected to a light. The LED on the switch is flashing red indicating that I need to add a LUT MLC to the circuit. LUT MLC requires a hot (black) wire and a ...
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316 views

PTAC heat troubleshooting

I own a condo with two Islandaire EZ09EBMXH8N10AA PTACs, one of which is acting weird. They have self-contained A/C mechanisms, but the rooms are heated by pumping hot water from the building through ...
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255 views

HVAC AC Capacitor Replacement

I have a Carrier Infinity Series AC Unit (Model #: 24ANA748A0030020 or 24ANA748A00300); its capacitor needs replacement. I live in Chicago; so VAC is 120 x 2. Current Capacitor Specification: ...
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Looking for a reliable replacement capacitor on pool motor

I'm looking to replace the capacitor on the motor that drives my pool pump. The motor just "hums" when I try and start it and nothing is caught in the impeller or binding it. This capacitor sits on ...
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Lennox air conditioner capacitor and compressor ohm readings

I have a Lennox 2.5 ton a/c unit, model 13ACD-036-230-05, with a blown dual run capacitor (the run terminal for the compressor is burnt off the can, the fan and common terminals are still intact, fan ...
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