PIP-4048MS and PIP-5048MS inverters

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johnnyZA
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Re: PIP-4048MS and PIP-5048MS inverters

Post by johnnyZA » Thu, 15 Aug 2019, 18:44

Hi everybody
Another “new” user here, reading together for a few months now.

I’m curious whether anybody tried the firmware with the kettle compensation on the PIP-5048MSE yet. I have the Axpert VM5000-48 (note not the VM II model) currently on firmware 20.13.

Would the 73.00l firmware also change the fan profile back to being based on load or temperature? Currently the fan that runs for 12 minutes every 30 minutes at 100% with no load or temperature is deafening.

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coulomb
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Re: PIP-4048MS and PIP-5048MS inverters

Post by coulomb » Thu, 15 Aug 2019, 20:53

johnnyZA wrote:
Thu, 15 Aug 2019, 18:44
Another “new” user here
Welcome.
I’m curious whether anybody tried the firmware with the kettle compensation on the PIP-5048MSE yet. I have the Axpert VM5000-48 (note not the VM II model) currently on firmware 20.13.
Ah. I see I need to add another exclusion to my "Can I update my firmware" page. The PIP MSEs (also known as an Axpert VM series, whether followed by a Roman numeral or not) are Economy (Value) models. These have a different, smaller processor, with less RAM and lower "horsepower", which is why they can't be paralleled. It also means that they have to have different firmware. There are no patched firmwares for Economy/Value models, and therefore none on the 20.XX series.

Short answer: no, because it's impossible.
Would the 73.00l firmware also change the fan profile back to being based on load or temperature? Currently the fan that runs for 12 minutes every 30 minutes at 100% with no load or temperature is deafening.
The 73.00 [ edit: patched or not ] firmwares do have fans that are quite load dependent, so they won't run for 12 out of 30 minutes, but will instead run the fan at a speed dependent on the load (and I assume on temperature, but only if things get extreme). Perhaps these Economy models don't even have variable speed fans, I would not know. But again, you can't run 73.00, patched or not, on these Economy/Value models, so the point is moot.

Sorry to disappoint.
Nissan Leaf 2012 with new battery May 2019.
5650 W solar, PIP-4048MS inverter, 16 kWh battery.
1.4 kW solar with 1.2 kW Latronics inverter and FIT.
160 W solar, 2.5 kWh 24 V battery for lights.
Patching PIP-4048/5048 inverter-chargers.

johnnyZA
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Re: PIP-4048MS and PIP-5048MS inverters

Post by johnnyZA » Thu, 15 Aug 2019, 21:27

Thanks for the insightful answer @coulomb

I guess my next question would be whether anybody is willing to donate a handkerchief so I can go cry my eyes out? :| that fan is driving me crazy

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coulomb
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Re: PIP-4048MS and PIP-5048MS inverters

Post by coulomb » Fri, 16 Aug 2019, 07:07

johnnyZA wrote:
Thu, 15 Aug 2019, 21:27
cry my eyes out? :| that fan is driving me crazy
Perhaps you should work your way through this section of the index to this topic (first post). But don't skip the "Original fans put back" post. If your inverter really doesn't have speed control of the fans, then you should not get the problem with the occasional fan locked warning.

Hardware
...
[ Edit: "fan locked error" → "fan locked warning" ]
Nissan Leaf 2012 with new battery May 2019.
5650 W solar, PIP-4048MS inverter, 16 kWh battery.
1.4 kW solar with 1.2 kW Latronics inverter and FIT.
160 W solar, 2.5 kWh 24 V battery for lights.
Patching PIP-4048/5048 inverter-chargers.

johnnyZA
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Joined: Thu, 15 Aug 2019, 18:13

Re: PIP-4048MS and PIP-5048MS inverters

Post by johnnyZA » Fri, 16 Aug 2019, 13:58

Thanks coulomb, I’ll work through them again. I remember reading (I think it was on powerforum, cant find the exact link now) that the fans used to work normally but changed in a specific firmware version, 20.10 or 20.12. Thats why I hoped to avoid a hardware solution to what sounded like a software issue.

I’ll definitely work through these again. It looks like a fan replacement is in my future.

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Re: PIP-4048MS and PIP-5048MS inverters

Post by paulvk » Fri, 16 Aug 2019, 15:37

Get a digital temperature control from ebay insulate the thermister probe with some heat shrink tubing put it in the inverter heatsink and let the temprature control unit do the cooling
I have done this with extra external 120mm fans when the heatsink gets to 42C it turns them on until it gets to 36C
You can also put a resistor in parallel with the relay contacts to keep the fans going at a slower speed all the time which may be enough cooling while under light load.

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