Timeline for What happens if you wire a multi-split airconditioner wrong?
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
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| Oct 19, 2021 at 17:29 | comment | added | Jeffrey | This should be easy to identify with a voltmeter for the control signals and touch to tell which coolant line is active. | |
| Oct 19, 2021 at 15:12 | answer | added | FreeMan | timeline score: 1 | |
| Oct 19, 2021 at 13:47 | comment | added | MLEN | @FreeMan I have indoor unit A and B, which needs to be connected to A and B slot of the outdoor unit. So either they are connected A-B or correctly (A-A, B-B). If they are incorrectly connected, switching either the refrigerant line OR electrical wires should be enough. Switching the electrical is much easier... | |
| Oct 19, 2021 at 12:20 | comment | added | FreeMan |
You've got wiring A and B, line set C and D and units E and F that were supposed to be connected A/C/E and B/D/F, but that may not be the case? It's possible that A and B were swapped, C and D were swapped, or both? If they were both swapped, you're fine, you just may have the thermostats working the wrong room. If you've swapped the line sets or control lines, well, that probably won't work too well. You'll probably want to trace the control lines, and maybe have an HVAC person draw a vaccume on the line sets to see which is which.
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| Oct 19, 2021 at 4:53 | history | asked | MLEN | CC BY-SA 4.0 |