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Search took 0.01 seconds. Search: Posts Made By: jeff5may
Forum: Geothermal & Heat Pumps 05-15-16, 10:18 AM
Replies: 185
Views: 106,321
Posted By jeff5may
It's been awhile, so (not surprisingly) I lost...

It's been awhile, so (not surprisingly) I lost track of everything. This kind of troubleshooting is best done either all in a short time or by taking lots of notes. I dunno bout you, but I didn't...
Forum: Geothermal & Heat Pumps 05-04-16, 08:31 AM
Replies: 185
Views: 106,321
Posted By jeff5may
The common name for this power factor correction...

The common name for this power factor correction circuit is a Boost Converter. In most applications, it is used as a DC to DC step-up converter, to get a high-voltage DC source to use inside a device...
Forum: Geothermal & Heat Pumps 04-29-16, 10:48 PM
Replies: 185
Views: 106,321
Posted By jeff5may
Here's the troubleshooting problem I finished up...

Here's the troubleshooting problem I finished up this week:
http://ecorenovator.org/forum/attachment.php?attachmentid=6919&stc=1&d=1461987865

It lives (and does at least 86 mph)! Plymouth...
Forum: Geothermal & Heat Pumps 04-28-16, 05:47 AM
Replies: 185
Views: 106,321
Posted By jeff5may
I see that SWMBO has influenced your decisions...

I see that SWMBO has influenced your decisions (and you hers) concerning the solar and mini-split units. Maybe she can help with some of your projects this summer. Or not...

I would take that...
Forum: Geothermal & Heat Pumps 04-27-16, 09:24 AM
Replies: 185
Views: 106,321
Posted By jeff5may
Used to. Nobody really gets their stuff repaired...

Used to. Nobody really gets their stuff repaired any more. With new equipment selling for not much more than the repair price, it just doesn't make much sense any more. Plus, flat TV's are all...
Forum: Geothermal & Heat Pumps 04-27-16, 08:46 AM
Replies: 185
Views: 106,321
Posted By jeff5may
Xringer, Good eye seeing TH02. It looks to...

Xringer,

Good eye seeing TH02. It looks to be a thermistor (probably PTC like a deGaussing coil in a crt tv) wired across that mains relay. It could be the standby power bleeder component that...
Forum: Geothermal & Heat Pumps 04-26-16, 06:57 PM
Replies: 185
Views: 106,321
Posted By jeff5may
OK, I got you. Looking at your component...

OK, I got you.

Looking at your component side pic, the power comes in on red, white, and black wires. It looks like the black is the switched side, and white is the neutral, for the 220 circuits....
Forum: Geothermal & Heat Pumps 04-26-16, 09:36 AM
Replies: 185
Views: 106,321
Posted By jeff5may
Your compressor control circuit looks like this: ...

Your compressor control circuit looks like this:
http://images.slideplayer.com/1/245200/slides/slide_20.jpg

Obviously, the IPM is the super-custom control chip on the control board. This is what...
Forum: Geothermal & Heat Pumps 04-25-16, 08:32 PM
Replies: 185
Views: 106,321
Posted By jeff5may
You nailed it, the perforations are spark gaps...

You nailed it, the perforations are spark gaps for isolation between hot and cold ground sides of the power supply. In the little circuit example, hot ground is on the left(primary)side of the...
Forum: Geothermal & Heat Pumps 04-25-16, 05:21 AM
Replies: 185
Views: 106,321
Posted By jeff5may
here is one good document I found: ...

here is one good document I found:

ftp://ftp.panasonic.com/heatairconditioner/servicemanual/minisplit-trainingmanual-2010-v4_sm.pdf

Troubleshooting starts around page 40.

I think I read the...
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