Timeline for HVAC compressor contactor premature failure
Current License: CC BY-SA 4.0
13 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jul 15, 2022 at 16:28 | vote | accept | RustyShackleford | ||
| Jul 15, 2022 at 16:22 | comment | added | Ed Beal | Rusty, it sounds like it would make a difference but there is no current draw until the second set of contacts close the first dosent matter, where their can be a hazard with a compressor is when the varnish starts to dissolve because of acidic oil (a leading cause of compressor failure) single pole leaves 1 side energized when the motor goes to ground it can take months prior to full failure and the frame is now hot until there is enough leakage to trip the breaker or blow the fuse. On the very few single pole thermostats or contactors I have replaced they are the cheapest and fail sooner imo | |
| Jul 15, 2022 at 13:39 | history | edited | FreeMan | CC BY-SA 4.0 |
added 8 characters in body
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| Jul 14, 2022 at 21:38 | answer | added | Ed Beal | timeline score: 4 | |
| Jul 14, 2022 at 20:55 | history | edited | RustyShackleford | CC BY-SA 4.0 |
added 761 characters in body
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| Jul 14, 2022 at 3:21 | comment | added | RustyShackleford | A tangential question: is a contactor with only one pole half as likely to experience failure as one with two poles ? Seems pretty clear to me. | |
| Jul 12, 2022 at 16:22 | comment | added | RustyShackleford | Problematic compressor sits outside house. Pretty wet location, I suppose, what with summertime humidity and drip-line from gutterless roof. | |
| Jul 12, 2022 at 16:22 | comment | added | RustyShackleford | Hard to say what kind of crud. | |
| Jul 12, 2022 at 11:43 | comment | added | George Anderson | what kind of "crud" rodent damage? | |
| Jul 12, 2022 at 3:33 | answer | added | Gil | timeline score: 2 | |
| Jul 12, 2022 at 1:50 | answer | added | DIY75 | timeline score: 0 | |
| Jul 12, 2022 at 1:22 | comment | added | DIY75 | what is the environmental temperature where the relay is located ? | |
| Jul 11, 2022 at 23:15 | history | asked | RustyShackleford | CC BY-SA 4.0 |