Re: [RE-wrenches] 24V Multi Mode Inverter Options

[John Blittersdorf via RE-wrenches]

I would vote for Outback FX series.  FIELD REPAIRABLE. Only down side
is if he is using the multiple relays for a 3 wire start generator.
John

On Tue, Jan 3, 2023 at 11:42 AM Jerry Shafer via RE-wrenches
 wrote:
>
> Wrenches, Chris
>  I would only look at outback, Date available and easy to access, can be 
> easily connected to additional components in the future.
> Fun Times
>
>
> Tue, Jan 3, 2023 at 6:43 AM Chris Sparadeo via RE-wrenches 
>  wrote:
>>
>> Hey there,
>>
>> I have a client with a dead 24V Xantrex SW…It had a good 20+ year run with a 
>> few rebuilds. The customer is looking to upgrade their inverter, but keep 
>> their 24V battery bank. My first thoughts were Outback FX or Victron 
>> Quattro, but I am curious what others are using out there. It seems like 24V 
>> has been left in the dust with regards to more sophisticated multimode and 
>> hybrid inverters. Schnider makes a 24V SW but it has a short warranty and 
>> after a welded AC input relay I’m not a big fan of that model.
>>
>> Just wondering if I am missing any options out there?
>>
>> Kindly,
>>
>> Chris
>> --
>> Chris Sparadeo
>>
>>
>> C_802-369-4458
>> H_802-728-3059
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Re: [RE-wrenches] Outback vfx 3648 question

[John Blittersdorf via RE-wrenches]

Jay,
 I have seen this a few times but usually with a generator that is not
designed for hard wired system.  I have a Ryobi
work generator that does this on both of my outback systems.  It says
in the instructions that it is not to be used for stationary
applications (ie normally grounded systems).

John

On Tue, Jan 3, 2023 at 9:16 AM Jay via RE-wrenches
 wrote:
>
> Has anyone had a vfx sort of not pay attention to it charging current 
> settings,
>
> I have a customer who’s older vfx will do the following
>
> Settings are 5 amps ac, 5 amp ac  charge
>
> It’ll run at about 10 amps dc charging
> Then randomly go up to 30 amps dc then back down. Maybe 15 seconds
> Later go up to 25 amps and back down. Kinda all over the place
>
> Then will stay at the lower amps for some period of time.
>
> I’m thinking it’s a hardware problem?
>
> And given the age a new board set is probably in order.
>
> Thoughts?
>
> Thx
> Jay
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Re: [RE-wrenches] Outback vfx 3648 question

[Jay via RE-wrenches]

Hi JerryThere is no battery temp sensor. Lithium battery. ThxJayOn Jan 3, 2023, at 9:11 AM, Jerry Shafer via RE-wrenches  wrote:Wrenches, Jay You may want to remove the battery temp sensor and see what it does, an open/short in the sensor will send it all over to compensate for the range issue, the issue may also be in the temp compensation board inside the inverter.JerryOn Tue, Jan 3, 2023 at 6:16 AM Jay via RE-wrenches  wrote:Has anyone had a vfx sort of not pay attention to it charging current settings,

I have a customer who’s older vfx will do the following 

Settings are 5 amps ac, 5 amp ac  charge 

It’ll run at about 10 amps dc charging
Then randomly go up to 30 amps dc then back down. Maybe 15 seconds
Later go up to 25 amps and back down. Kinda all over the place 

Then will stay at the lower amps for some period of time. 

I’m thinking it’s a hardware problem?

And given the age a new board set is probably in order. 

Thoughts?

Thx
Jay
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Re: [RE-wrenches] 24V Multi Mode Inverter Options

[Jerry Shafer via RE-wrenches]

Wrenches, Chris
 I would only look at outback, Date available and easy to access, can be
easily connected to additional components in the future.
Fun Times


Tue, Jan 3, 2023 at 6:43 AM Chris Sparadeo via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> Hey there,
>
> I have a client with a dead 24V Xantrex SW…It had a good 20+ year run with
> a few rebuilds. The customer is looking to upgrade their inverter, but keep
> their 24V battery bank. My first thoughts were Outback FX or Victron
> Quattro, but I am curious what others are using out there. It seems like
> 24V has been left in the dust with regards to more sophisticated multimode
> and hybrid inverters. Schnider makes a 24V SW but it has a short warranty
> and after a welded AC input relay I’m not a big fan of that model.
>
> Just wondering if I am missing any options out there?
>
> Kindly,
>
> Chris
> --
> Chris Sparadeo
>
>
> C_802-369-4458
> H_802-728-3059
> ___
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Re: [RE-wrenches] SMA SB and LiFe

[Jerry Shafer via RE-wrenches]

Wrenches, Glen
I have installed fortress Evaults on both the older and newer SMA SI
inverter/chargers, you will need to make some changes to the charger config
with the temp sensor. It is somewhat wild in the current state and must be
locked down, it is not very difficult to do and makes a big difference on
how the charger works. You will need to remove the battery temp sensor and
install a rheostat with a fixed resistor to simulate the 25 C reading, the
resistor gets you close but the rheostat can be adjusted for your
particular climate and system. BTW, this goes for most any Li type battery.
Outback is easier as the sensor unplugged defaults to 25 C.
Jerry Fun Times!!

On Mon, Jan 2, 2023 at 1:16 PM Glenn Burt via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> Hello all – best wishes for the new year.
>
>
>
> I have a client with an aging (dead) AGM (16x Concorde PVX-3050T) battery
> bank with two Sunny Island 5048 inverters (and a few SB in the mix too) in
> a GTWB configuration.
>
> Has anyone successfully replaced an AGM battery bank with a LiFe ESS
> solution with closed loop comms and Sunny Islands?
>
> Something like a Fortress eVault max?
>
>
>
> Or should I simply replace the existing AGM’s with the same model
> batteries and let it go another 10 years?
>
>
>
> Thanks for the feedback!
>
> Glenn
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Re: [RE-wrenches] Outback vfx 3648 question

[Jerry Shafer via RE-wrenches]

Wrenches, Jay
You may want to remove the battery temp sensor and see what it does, an
open/short in the sensor will send it all over to compensate for the range
issue, the issue may also be in the temp compensation board inside the
inverter.
Jerry


On Tue, Jan 3, 2023 at 6:16 AM Jay via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> Has anyone had a vfx sort of not pay attention to it charging current
> settings,
>
> I have a customer who’s older vfx will do the following
>
> Settings are 5 amps ac, 5 amp ac  charge
>
> It’ll run at about 10 amps dc charging
> Then randomly go up to 30 amps dc then back down. Maybe 15 seconds
> Later go up to 25 amps and back down. Kinda all over the place
>
> Then will stay at the lower amps for some period of time.
>
> I’m thinking it’s a hardware problem?
>
> And given the age a new board set is probably in order.
>
> Thoughts?
>
> Thx
> Jay
> ___
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Re: [RE-wrenches] SMA SB and LiFe

[Lloyd Hoffstatter via RE-wrenches]

Hey Glenn,
I just started running a LIFEPO4 battery with a Sunny Island, no closed loop 
communication but with settings pretty much what Fortress
has on their Sunny Island sheet.  Settings are lower than what some LIFE’s 
specify, to avoid a voltage jump / high voltage error at the end of the charge 
cycle from what I’ve seen.

Best regards,
Lloyd

Lloyd Hoffstatter, M.S. Applied Solar Energy
NABCEP Inaugural Certified PV Installer Emeritus
Director, Sunstruck Consulting
ll...@sunstruckconsulting.com
845-657-8132 (office)
914-844-3404 (mobile)

From: Glenn Burt via RE-wrenches
Sent: Monday, January 2, 2023 4:15 PM
To: RE-Wrenches
Cc: Glenn Burt
Subject: [RE-wrenches] SMA SB and LiFe

Hello all – best wishes for the new year.

I have a client with an aging (dead) AGM (16x Concorde PVX-3050T) battery bank 
with two Sunny Island 5048 inverters (and a few SB in the mix too) in a GTWB 
configuration.
Has anyone successfully replaced an AGM battery bank with a LiFe ESS solution 
with closed loop comms and Sunny Islands?
Something like a Fortress eVault max?

Or should I simply replace the existing AGM’s with the same model batteries and 
let it go another 10 years?

Thanks for the feedback!
Glenn

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Re: [RE-wrenches] 24V Multi Mode Inverter Options

[Bradley Bassett via RE-wrenches]

Samlex EVO4024 is supposed to be a very robust simple inverter. 120VAC
output, AC charging, good value.

Brad

On Tue, Jan 3, 2023 at 6:44 AM Chris Sparadeo via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> Hey there,
>
> I have a client with a dead 24V Xantrex SW…It had a good 20+ year run with
> a few rebuilds. The customer is looking to upgrade their inverter, but keep
> their 24V battery bank. My first thoughts were Outback FX or Victron
> Quattro, but I am curious what others are using out there. It seems like
> 24V has been left in the dust with regards to more sophisticated multimode
> and hybrid inverters. Schnider makes a 24V SW but it has a short warranty
> and after a welded AC input relay I’m not a big fan of that model.
>
> Just wondering if I am missing any options out there?
>
> Kindly,
>
> Chris
> --
> Chris Sparadeo
>
>
> C_802-369-4458
> H_802-728-3059
> ___
> List sponsored by Redwood Alliance
>
> Pay optional member dues here: http://re-wrenches.org
>
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>
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[RE-wrenches] 24V Multi Mode Inverter Options

[Chris Sparadeo via RE-wrenches]

Hey there,

I have a client with a dead 24V Xantrex SW…It had a good 20+ year run with
a few rebuilds. The customer is looking to upgrade their inverter, but keep
their 24V battery bank. My first thoughts were Outback FX or Victron
Quattro, but I am curious what others are using out there. It seems like
24V has been left in the dust with regards to more sophisticated multimode
and hybrid inverters. Schnider makes a 24V SW but it has a short warranty
and after a welded AC input relay I’m not a big fan of that model.

Just wondering if I am missing any options out there?

Kindly,

Chris
-- 
Chris Sparadeo


C_802-369-4458
H_802-728-3059
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[RE-wrenches] Outback vfx 3648 question

[Jay via RE-wrenches]

Has anyone had a vfx sort of not pay attention to it charging current settings,

I have a customer who’s older vfx will do the following 

Settings are 5 amps ac, 5 amp ac  charge 

It’ll run at about 10 amps dc charging
Then randomly go up to 30 amps dc then back down. Maybe 15 seconds
Later go up to 25 amps and back down. Kinda all over the place 

Then will stay at the lower amps for some period of time. 

I’m thinking it’s a hardware problem?

And given the age a new board set is probably in order. 

Thoughts?

Thx
Jay
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