Search found 4 matches

by MattWolf
Fri Jun 02, 2023 12:42 pm
Forum: Recycle, Repair, Renovate
Topic: immersun repair -no.3
Replies: 96
Views: 67415

Re: immersun repair -no.3

It lives!! Well, it hasn't let the magic smoke escape just yet. Replaced the 5uf cap nearest the heat sinks along with the triac and varistor. Only tried a very short boost but it "sounds" better, after my first repair there was a buzz as it started to increase the power which quickly went...
by MattWolf
Mon May 29, 2023 4:25 pm
Forum: Recycle, Repair, Renovate
Topic: immersun repair -no.3
Replies: 96
Views: 67415

Re: immersun repair -no.3

Hi Matt, It does sound like the 1st immersun repair i did. IIRC it was the failure of the big black 5uF on the input side that causes the varistor and triac to destruct. From memory i got the replacement from one of the big suppliers (farnell/rs/mouser/digikey) - i definitely ordered just one - but...
by MattWolf
Mon May 29, 2023 8:18 am
Forum: Recycle, Repair, Renovate
Topic: immersun repair -no.3
Replies: 96
Views: 67415

Re: immersun repair -no.3

Morning all, I picked up a broken, for parts Immersun recently. Opened it up to find the famous exploded varistor! I replaced that and the associated triac. A successful repair it seems. :) It booted up, ran it's self tests and started working, well for about 3 hours anyway! Seems like the magic smo...
by MattWolf
Sat May 20, 2023 8:33 am
Forum: Introductions
Topic: Hi everyone
Replies: 4
Views: 5033

Hi everyone

Morning from sunny Manchester. New to the group but have been lurking for a while :) Mainly joined for the solar PV side, had a 3.6kw Givenergy hybrid inverter, panels and a 8.2 kw battery installed at the end of last summer. Didn't expect how much we end up exporting so looking at diverters. As the...