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Search: Posts Made By: LF-X
Forum: Solar Power 05-16-19, 05:05 PM
Replies: 22
Views: 4,058
Posted By LF-X
I have 33 JA Solar 300W Mono Black Panels (9.9kWp...

I have 33 JA Solar 300W Mono Black Panels (9.9kWp total) on the roof pointing in two directions (S-W and S-E) giving good coverage over the day.

2 Solax Inverters and 4 Strings.

They were...
Forum: Conservation 10-24-18, 09:02 AM
Replies: 569
Views: 644,776
Posted By LF-X
will be interesting to see how much air flow you...

will be interesting to see how much air flow you get after filters and the heat exchanger. The fans you have provide 30 Pa max. That is not much.
Note that the air flow mentioned on the product page...
Forum: Conservation 06-03-18, 05:21 PM
Replies: 569
Views: 644,776
Posted By LF-X
Had 2 vents installed for some time (currenlty...

Had 2 vents installed for some time (currenlty I'm at three).
One pushing fresh air to thge bed room, one pulling bad air (smoke) from my office. Roughly 70 m/h at full speed of the fans in and...
Forum: Conservation 05-04-18, 05:59 PM
Replies: 569
Views: 644,776
Posted By LF-X
with 50% duty cycle the inlet temp went up to...

with 50% duty cycle the inlet temp went up to 25C with 26 attic temp while outside temp was 20C. Not too bad.
Forum: Conservation 05-04-18, 08:42 AM
Replies: 569
Views: 644,776
Posted By LF-X
Increased fan duty cycle from 20% to 30% an hour...

Increased fan duty cycle from 20% to 30% an hour ago.

Some numbers to get a feeling on what the unit is doing right now:

Outside temp: 19C (Fresh air comes from here)
Attic Temp: 26C (This...
Forum: Conservation 05-04-18, 07:31 AM
Replies: 569
Views: 644,776
Posted By LF-X
Update: Ventilation unit now moved to one of...

Update:

Ventilation unit now moved to one of the attics (there are 2 seperated ones) and first 100mm vent is ducted to the unit, Pumping fresh air to the sleeping room.

Suction duct is...
Forum: Conservation 04-04-18, 06:34 PM
Replies: 569
Views: 644,776
Posted By LF-X
Pics or it didn't happen. Cabling done for now. A...

Pics or it didn't happen. Cabling done for now. A bit adventurous, but works.
Need to order ducts and vents.

Anemometer gives me something like 160 m/h. But it's a bit hard to measure...
...
Forum: Conservation 04-04-18, 05:38 AM
Replies: 569
Views: 644,776
Posted By LF-X
Just registered here. This thread is awesome and...

Just registered here. This thread is awesome and the best DIY discussion on the internet I found so far.

I'm currently building a HRV unit myself. Will be installed in a 112m house....
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