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I went by my powerwalls and heard a lot of noise. I walk by them and the fans are blowing like crazy. It is at least 108 outside, and will be hotter this weekend.
I hope they do not fail.
The heat was not this hot, only like 102 last time. This is way hotter.You didn’t notice this in the previous heat wave?
Time to install more solar to power these around your batteries.
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Was not saying bad, just saying boy does this heat impact things. I have my garage door stick so I could not open it for a whileSounds (no pun intended) like the system is doing what is supposed to do to keep the internal temps under control. Running the coolant pumps and using the fans to push air through the radiator. Better some noise than a shutdown powerwall.
And it is going to be hotter today and tomorrow. I will be in Santa Cruz Sunday morning racing. Will be a shocker to leave from the ocean back to the foothills in 110 degree weather.I am at the same elevation as Auburn, but just more south. My max temp yesterday was 109F. Noticed the fans were louder than normal but not as crazy as my MX supercharging on a hot day is.
I did think my Powerwall drain was higher than I was expecting. Obviously I used much more power during peak than normal and that accounts for most of it. But I suspect the overhead of running the fans more and cooling pumps trying to keep everything under control during times of high load and high temps has it's toll.
Overall I was pretty pleased. With some conservative inside temperature settings and moving my reserve down to 20% I only had to use peak grid power for 20 minutes yesterday. The rest of the time I was giving back (@ 54 cents a kWh). So I gave PG&E 22 kWh during peak and had to take 1 kWh back.
First time I actually heard fans from my powerwalls (in garage) few weeks ago I was a bit concerned as @h2ofun since my garage can briefly hit 100 F during 110 F days. Then I relaxed and took @jboy210 mindset … doing what they are supposed to be doing … maybe like me others are sensitive about our “babies” and their welfareSounds (no pun intended) like the system is doing what is supposed to do to keep the internal temps under control. Running the coolant pumps and using the fans to push air through the radiator. Better some noise than a shutdown powerwall.
i‘m sure acoustics make a diff (outdoors vs enclosed) ..to me they sound like …hmm you know sound of laptop suddenly blowing fan full force when you were not even sure it had a fan … just larger scale ? I dunno I suck at this gameNow I'm curious what these fans sound like. My PW's are indoors and the garage got to 100F. But all I heard was the normal "wum wum wum" sound at 5pm.
I had never heard also. They were on real high speed, where before they were always low speed.i‘m sure acoustics make a diff (outdoors vs enclosed) ..to me they sound like …hmm you know sound of laptop suddenly blowing fan full force when you were not even sure it had a fan … just larger scale ? I dunno I suck at this game
Can def hear them throughout a 3 car garage as a new sound
Mine is similar in hot weather. I think there is a 2 degree difference between it is too hot so turn on the A/C to it is cool enough so turn it off. I've never seen this value to be adjustable in any thermostat.@SMAlset, wow, I’ve never seen so much cycling on and off on the a/c. Do you have some super strict tolerance applied to the control?
We have an older home automation thermostat that has settings like that, I think. Something like a deadband and some sensitivity settings. I’d be surprised if other higher end thermostats didn’t offer something similar.Mine is similar in hot weather. I think there is a 2 degree difference between it is too hot so turn on the A/C to it is cool enough so turn it off. I've never seen this value to be adjustable in any thermostat.
Can you make a few more comments about being oversizedBad system design, likely oversized even for the current extreme cooling load. An endemic problem in the HVAC industry.
Cheers, Wayne