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Discussion Starter #1
Hello Everyone,
I am having some problems with my Manzanita Micro PFC-30 charger. I have 24 US Battery 2200XC batteries in a S-10 pickup. It was converted with a Canadian EV kit by John Mogelnicki, Detroit EV. John done an outstanding job on the truck and I am happy with it. I just need a dependable charger!I am not having any problems with the batteries. I clean/water them weekly.This is my second PFC-30. The first one failed within 2 months. It would only put out 2 amps. John sent me another one and I swapped it out. It worked fine until a few months ago. I e-mailed Rich and described my problem. He suggested that I send him the charger. He returned it and said nothing was wrong with it.
I will copy the e-mail that I sent to Rich on October 12th describing my problem. I haven't heard from him for whatever reason.I know there is a lot of experience out there. I would like a recommendation for a charger other than another Manzanita Micro.
Thanks!Alan

Hi Rich,

I am still having trouble with my charger. (PFC-30) I know you
checked it out and found nothing but it is acting strange.
I charge in 3
places. At home with 220, at work with 115 and a 208 at work which I use
rarely.
At work while charging with 115, I was getting 171 volts ( I have it
set for 175.5) and no lights (limit and timer). I would start at 9 amps and 5
hours later it was around 8 amps and 171 volts. It never shut off. I started
turning it off at 9:30 which is where it shut off before. Today I went out at
9:30 and it was 167 volts. That was high as it would go. I only drive 3.5 miles
to work, so it should not take long to charge.
While charging at home on
220, I usually set it for around 18.5 amps. The limit light comes on at 175.5
volts and the timer light comes on. The current only drops to 15 amps on timer.
With an hour hold it was gassing my batteries. I turned the timer down to 30
minutes because of the high hold current. I thought it dropped to about 6 or 7
amps on timer?
Anyway, on the weekend I tried to charge at home at 15 amps. I
never got a limit or timer light and the voltage only went to 170 volts after 4
hours. I thought that was strange. I turned the current up to 18.5 and the limit
light and timer light came on. The timer light was blinking fast nearing shut
off. I powered it off since it had been charging at 15 amps for so long.
Any
chance of you having a used PFC-20 that you would sell reasonable? I never
charge at 20 amps, so I would not need 30 amps of a PFC-30. I would really like
to change this charger out. I cant drive my vehicle late in the evening because
I am afraid to leave the charger unattended.
Any help would be
appreciated.

Thanks!

Alan






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Discussion Starter #2
Sounds like you have a shorted cell or two. Have you measured the
resting voltage of your batteries?



Alan Fuller <[email protected]> wrote:
>
>
> Hello Everyone,
> I am having some problems with my Manzanita Micro PFC-30 charger. I have 24 US Battery 2200XC batteries in a S-10 pickup. It was converted with a Canadian EV kit by John Mogelnicki, Detroit EV. John done an outstanding job on the truck and I am happy with it. I just need a dependable charger!I am not having any problems with the batteries. I clean/water them weekly.This is my second PFC-30. The first one failed within 2 months. It would only put out 2 amps. John sent me another one and I swapped it out. It worked fine until a few months ago. I e-mailed Rich and described my problem. He suggested that I send him the charger. He returned it and said nothing was wrong with it.
> I will copy the e-mail that I sent to Rich on October 12th describing my problem. I haven't heard from him for whatever reason.I know there is a lot of experience out there. I would like a recommendation for a charger other than another Manzanita Micro.
> Thanks!Alan
>
> Hi Rich,
>
> I am still having trouble with my charger. (PFC-30) I know you
> checked it out and found nothing but it is acting strange.
> I charge in 3
> places. At home with 220, at work with 115 and a 208 at work which I use
> rarely.
> At work while charging with 115, I was getting 171 volts ( I have it
> set for 175.5) and no lights (limit and timer). I would start at 9 amps and 5
> hours later it was around 8 amps and 171 volts. It never shut off. I started
> turning it off at 9:30 which is where it shut off before. Today I went out at
> 9:30 and it was 167 volts. That was high as it would go. I only drive 3.5 miles
> to work, so it should not take long to charge.
> While charging at home on
> 220, I usually set it for around 18.5 amps. The limit light comes on at 175.5
> volts and the timer light comes on. The current only drops to 15 amps on timer.
> With an hour hold it was gassing my batteries. I turned the timer down to 30
> minutes because of the high hold current. I thought it dropped to about 6 or 7
> amps on timer?
> Anyway, on the weekend I tried to charge at home at 15 amps. I
> never got a limit or timer light and the voltage only went to 170 volts after 4
> hours. I thought that was strange. I turned the current up to 18.5 and the limit
> light and timer light came on. The timer light was blinking fast nearing shut
> off. I powered it off since it had been charging at 15 amps for so long.
> Any
> chance of you having a used PFC-20 that you would sell reasonable? I never
> charge at 20 amps, so I would not need 30 amps of a PFC-30. I would really like
> to change this charger out. I cant drive my vehicle late in the evening because
> I am afraid to leave the charger unattended.
> Any help would be
> appreciated.
>
> Thanks!
>
> Alan
>
>
>
>
>
>
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Discussion Starter #3
Is resting voltage the indicator of a reversed cell? (is that the same as shorted?)

If pack nominal is 144v and 1 cell has reversed, what would voltage be?

I believe I have worked my batteries back into shape and my manzanita and pack are back on the same page.

But as posted previously, I was getting heat build-up without voltage increase and feared that was a sign of cell reversal.

John


Peter Gabrielsson <[email protected]> wrote:

> Sounds like you have a shorted cell or two. Have you measured the
> resting voltage of your batteries?
>
>
>
> On Mon, Oct 18, 2010 at 5:33 PM, Alan Fuller <[email protected]> wrote:
>>
>>
>> Hello Everyone,
>> I am having some problems with my Manzanita Micro PFC-30 charger. I have 24 US Battery 2200XC batteries in a S-10 pickup. It was converted with a Canadian EV kit by John Mogelnicki, Detroit EV. John done an outstanding job on the truck and I am happy with it. I just need a dependable charger!I am not having any problems with the batteries. I clean/water them weekly.This is my second PFC-30. The first one failed within 2 months. It would only put out 2 amps. John sent me another one and I swapped it out. It worked fine until a few months ago. I e-mailed Rich and described my problem. He suggested that I send him the charger. He returned it and said nothing was wrong with it.
>> I will copy the e-mail that I sent to Rich on October 12th describing my problem. I haven't heard from him for whatever reason.I know there is a lot of experience out there. I would like a recommendation for a charger other than another Manzanita Micro.
>> Thanks!Alan
>>
>> Hi Rich,
>>
>> I am still having trouble with my charger. (PFC-30) I know you
>> checked it out and found nothing but it is acting strange.
>> I charge in 3
>> places. At home with 220, at work with 115 and a 208 at work which I use
>> rarely.
>> At work while charging with 115, I was getting 171 volts ( I have it
>> set for 175.5) and no lights (limit and timer). I would start at 9 amps and 5
>> hours later it was around 8 amps and 171 volts. It never shut off. I started
>> turning it off at 9:30 which is where it shut off before. Today I went out at
>> 9:30 and it was 167 volts. That was high as it would go. I only drive 3.5 miles
>> to work, so it should not take long to charge.
>> While charging at home on
>> 220, I usually set it for around 18.5 amps. The limit light comes on at 175.5
>> volts and the timer light comes on. The current only drops to 15 amps on timer.
>> With an hour hold it was gassing my batteries. I turned the timer down to 30
>> minutes because of the high hold current. I thought it dropped to about 6 or 7
>> amps on timer?
>> Anyway, on the weekend I tried to charge at home at 15 amps. I
>> never got a limit or timer light and the voltage only went to 170 volts after 4
>> hours. I thought that was strange. I turned the current up to 18.5 and the limit
>> light and timer light came on. The timer light was blinking fast nearing shut
>> off. I powered it off since it had been charging at 15 amps for so long.
>> Any
>> chance of you having a used PFC-20 that you would sell reasonable? I never
>> charge at 20 amps, so I would not need 30 amps of a PFC-30. I would really like
>> to change this charger out. I cant drive my vehicle late in the evening because
>> I am afraid to leave the charger unattended.
>> Any help would be
>> appreciated.
>>
>> Thanks!
>>
>> Alan
>>
>>
>>
>>
>>
>>
>> -------------- next part --------------
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>> | Multiple-address or CCed messages may be rejected.
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>>
>
>
>
> --
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>
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Discussion Starter #4
Hello Alan,

The US 2200XC batteries should be charge at 7.5 volts per 6 volt and at
C/10 or 232 AH/10 = 23 amperes. After the time out and when it reaches 10
to 15 ampere, shut the charger off and test the specific gravity of the
batteries. If its reads 1.277+ sg then the batteries may be at 100% SOC.

I am using US 2400XC and if discharge down to about 80% SOC then I charge
them at 7.5V at 25 amps. They will only come down to 8 to 12 amp and may
read 100% SOC.

If I try to charge them at 10 amp, it takes way too long to even get to 7.4
volts which may putting most of the current into the electrolyte making the
batteries warmer.

For a 5 mile run it only takes me 36 minutes of charging at C/10 at 7.5
volts.

Roland


----- Original Message -----
From: "Alan Fuller" <[email protected]>
To: "Electric Vehicle Discussion List" <[email protected]>
Sent: Monday, October 18, 2010 5:33 PM
Subject: [EVDL] PFC-30 Problem


>
>
> Hello Everyone,
> I am having some problems with my Manzanita Micro PFC-30 charger. I have
> 24 US Battery 2200XC batteries in a S-10 pickup. It was converted with a
> Canadian EV kit by John Mogelnicki, Detroit EV. John done an outstanding
> job on the truck and I am happy with it. I just need a dependable
> charger!I am not having any problems with the batteries. I clean/water
> them weekly.This is my second PFC-30. The first one failed within 2
> months. It would only put out 2 amps. John sent me another one and I
> swapped it out. It worked fine until a few months ago. I e-mailed Rich and
> described my problem. He suggested that I send him the charger. He
> returned it and said nothing was wrong with it.
> I will copy the e-mail that I sent to Rich on October 12th describing my
> problem. I haven't heard from him for whatever reason.I know there is a
> lot of experience out there. I would like a recommendation for a charger
> other than another Manzanita Micro.
> Thanks!Alan
>
> Hi Rich,
>
> I am still having trouble with my charger. (PFC-30) I know you
> checked it out and found nothing but it is acting strange.
> I charge in 3
> places. At home with 220, at work with 115 and a 208 at work which I use
> rarely.
> At work while charging with 115, I was getting 171 volts ( I have it
> set for 175.5) and no lights (limit and timer). I would start at 9 amps
> and 5
> hours later it was around 8 amps and 171 volts. It never shut off. I
> started
> turning it off at 9:30 which is where it shut off before. Today I went out
> at
> 9:30 and it was 167 volts. That was high as it would go. I only drive 3.5
> miles
> to work, so it should not take long to charge.
> While charging at home on
> 220, I usually set it for around 18.5 amps. The limit light comes on at
> 175.5
> volts and the timer light comes on. The current only drops to 15 amps on
> timer.
> With an hour hold it was gassing my batteries. I turned the timer down to
> 30
> minutes because of the high hold current. I thought it dropped to about 6
> or 7
> amps on timer?
> Anyway, on the weekend I tried to charge at home at 15 amps. I
> never got a limit or timer light and the voltage only went to 170 volts
> after 4
> hours. I thought that was strange. I turned the current up to 18.5 and the
> limit
> light and timer light came on. The timer light was blinking fast nearing
> shut
> off. I powered it off since it had been charging at 15 amps for so long.
> Any
> chance of you having a used PFC-20 that you would sell reasonable? I never
> charge at 20 amps, so I would not need 30 amps of a PFC-30. I would really
> like
> to change this charger out. I cant drive my vehicle late in the evening
> because
> I am afraid to leave the charger unattended.
> Any help would be
> appreciated.
>
> Thanks!
>
> Alan
>
>
>
>
>
>
> -------------- next part --------------
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Discussion Starter #5
i have the same batteries and pack size. Mine are just over 2 years old
with about 400 cycles (or more, maybe?). I don't have a manzanita, but my
charger also has a CV phase at the end after bulk charging and I think my
pack is behaving similarly to yours.

I usually set and forget it and the pack charges overnight, but I recently
noticed that the batteries are losing water at a faster rate. This past
weekend, I charged during the day and realized the pack took significantly
longer to rise to the CV phase, and once there, the current never dropped
below 13A. Usually it would drop to about 2A after only about 20-30 mins.
Fortunately, the CV phase is on a timer, so it always tripped out
eventually, but the batteries were gassing quite a bit during that time.

I think the charger is fine, but it's just that the batteries are aging. It
is my first lead acid pack though - maybe others can comment on battery
charging behavior as they age?


Joe

>

> > Hello Everyone,
> > I am having some problems with my Manzanita Micro PFC-30 charger. I have
> 24 US Battery 2200XC batteries in a S-10 pickup.
> > I am still having trouble with my charger. (PFC-30) I know you
> > checked it out and found nothing but it is acting strange.
> > I charge in 3
> > places. At home with 220, at work with 115 and a 208 at work which I use
> > rarely.
> > At work while charging with 115, I was getting 171 volts ( I have it
> > set for 175.5) and no lights (limit and timer). I would start at 9 amps
> and 5
> > hours later it was around 8 amps and 171 volts. It never shut off. I
> started
> > turning it off at 9:30 which is where it shut off before. Today I went
> out at
> > 9:30 and it was 167 volts. That was high as it would go. I only drive 3.5
> miles
> > to work, so it should not take long to charge.
> > While charging at home on
> > 220, I usually set it for around 18.5 amps. The limit light comes on at
> 175.5
> > volts and the timer light comes on. The current only drops to 15 amps on
> timer.
> > With an hour hold it was gassing my batteries. I turned the timer down to
> 30
> > minutes because of the high hold current. I thought it dropped to about 6
> or 7
> > amps on timer?
> > Anyway, on the weekend I tried to charge at home at 15 amps. I
> > never got a limit or timer light and the voltage only went to 170 volts
> after 4
> > hours. I thought that was strange. I turned the current up to 18.5 and
> the limit
> > light and timer light came on. The timer light was blinking fast nearing
> shut
> > off. I powered it off since it had been charging at 15 amps for so long.
> > Any
> > chance of you having a used PFC-20 that you would sell reasonable? I
> never
> > charge at 20 amps, so I would not need 30 amps of a PFC-30. I would
> really like
> > to change this charger out. I cant drive my vehicle late in the evening
> because
> > I am afraid to leave the charger unattended.
> > Any help would be
> > appreciated.
> >
> > Thanks!
> >
> > Alan
> >
> >
> >
> >
> >
> >
> > -------------- next part --------------
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> >
>
>
>
> --
> www.electric-lemon.com
>
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Discussion Starter #6
Alan,

Nothing wrong with your charger, everything sounds OK
only your setpoint is so high that your aging pack
is not reaching it any longer at low current.
If the batteries are warm they will have even more trouble
reaching it.
Just lower the setpoint to the lowest they reach reliably
(for example 170V)
and the constant voltage phase will make sure that they
get full anyway.
Also make sure that your charger is on a timer.
If you drive a short distant and you know that your pack
should not charge longer than an hour, simply set the
timer for 1 hour and let it kick off the charger so
the pack does not get cooked overnight.

Success,

Cor van de Water
Director HW & Systems Architecture Group
Proxim Wireless Corporation http://www.proxim.com
Email: [email protected] Private: http://www.cvandewater.com
Skype: cor_van_de_water IM: [email protected]
Tel: +1 408 383 7626 VoIP: +31 20 3987567 FWD# 25925
Tel: +91 (040)23117400 x203 XoIP: +31877841130

-----Original Message-----
From: [email protected] [mailto:[email protected]] On
Behalf Of Alan Fuller
Sent: Tuesday, October 19, 2010 6:03 AM
To: Electric Vehicle Discussion List
Subject: [EVDL] PFC-30 Problem



Hello Everyone,
I am having some problems with my Manzanita Micro PFC-30 charger. I have
24 US Battery 2200XC batteries in a S-10 pickup. It was converted with a
Canadian EV kit by John Mogelnicki, Detroit EV. John done an outstanding
job on the truck and I am happy with it. I just need a dependable
charger!I am not having any problems with the batteries. I clean/water
them weekly.This is my second PFC-30. The first one failed within 2
months. It would only put out 2 amps. John sent me another one and I
swapped it out. It worked fine until a few months ago. I e-mailed Rich
and described my problem. He suggested that I send him the charger. He
returned it and said nothing was wrong with it.
I will copy the e-mail that I sent to Rich on October 12th describing my
problem. I haven't heard from him for whatever reason.I know there is a
lot of experience out there. I would like a recommendation for a charger
other than another Manzanita Micro.
Thanks!Alan

Hi Rich,

I am still having trouble with my charger. (PFC-30) I know you checked
it out and found nothing but it is acting strange.
I charge in 3
places. At home with 220, at work with 115 and a 208 at work which I use
rarely.
At work while charging with 115, I was getting 171 volts ( I have it set
for 175.5) and no lights (limit and timer). I would start at 9 amps and
5 hours later it was around 8 amps and 171 volts. It never shut off. I
started turning it off at 9:30 which is where it shut off before. Today
I went out at 9:30 and it was 167 volts. That was high as it would go. I
only drive 3.5 miles to work, so it should not take long to charge.
While charging at home on
220, I usually set it for around 18.5 amps. The limit light comes on at
175.5 volts and the timer light comes on. The current only drops to 15
amps on timer.
With an hour hold it was gassing my batteries. I turned the timer down
to 30 minutes because of the high hold current. I thought it dropped to
about 6 or 7 amps on timer?
Anyway, on the weekend I tried to charge at home at 15 amps. I never got
a limit or timer light and the voltage only went to 170 volts after 4
hours. I thought that was strange. I turned the current up to 18.5 and
the limit light and timer light came on. The timer light was blinking
fast nearing shut off. I powered it off since it had been charging at 15
amps for so long.
Any
chance of you having a used PFC-20 that you would sell reasonable? I
never charge at 20 amps, so I would not need 30 amps of a PFC-30. I
would really like to change this charger out. I cant drive my vehicle
late in the evening because I am afraid to leave the charger unattended.

Any help would be
appreciated.

Thanks!

Alan






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Discussion Starter #7
EVDL sage, EE, and longtime EV builder Lee Hart has written about battery
charging and care. You may find the information helpful.

http://www.evdl.org/pages/hartcharge.html

http://www.evdl.org/pages/hartbatt.html

David Roden - Akron, Ohio, USA
EVDL Administrator

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70 Posts
Discussion Starter #8
No, you have to measure the voltage of all batteries and compare them,
if one is 2V below the others that's an likely indicator of a shorted
or reversed cell.





John <[email protected]> wrote:
> Is resting voltage the indicator of a reversed cell? (is that the same as shorted?)
>
> If pack nominal is 144v and 1 cell has reversed, what would voltage be?
>
> I believe I have worked my batteries back into shape and my manzanita and pack are back on the same page.
>
> But as posted previously, I was getting heat build-up without voltage increase and feared that was a sign of cell reversal.
>
> John
>
>
> On Oct 18, 2010, at 10:09 PM, Peter Gabrielsson <[email protected]> wrote:
>
>> Sounds like you have a shorted cell or two. Have you measured the
>> resting voltage of your batteries?
>>
>>
>>
>> On Mon, Oct 18, 2010 at 5:33 PM, Alan Fuller <[email protected]> wrote:
>>>
>>>
>>> Hello Everyone,
>>> I am having some problems with my Manzanita Micro PFC-30 charger. I have 24 US Battery 2200XC batteries in a S-10 pickup. It was converted with a Canadian EV kit by John Mogelnicki, Detroit EV. John done an outstanding job on the truck and I am happy with it. I just need a dependable charger!I am not having any problems with the batteries. I clean/water them weekly.This is my second PFC-30. The first one failed within 2 months. It would only put out 2 amps. John sent me another one and I swapped it out. It worked fine until a few months ago. I e-mailed Rich and described my problem. He suggested that I send him the charger. He returned it and said nothing was wrong with it.
>>> I will copy the e-mail that I sent to Rich on October 12th describing my problem. I haven't heard from him for whatever reason.I know there is a lot of experience out there. I would like a recommendation for a charger other than another Manzanita Micro.
>>> Thanks!Alan
>>>
>>> Hi Rich,
>>>
>>> I am still having trouble with my charger. (PFC-30) I know you
>>> checked it out and found nothing but it is acting strange.
>>> I charge in 3
>>> places. At home with 220, at work with 115 and a 208 at work which I use
>>> rarely.
>>> At work while charging with 115, I was getting 171 volts ( I have it
>>> set for 175.5) and no lights (limit and timer). I would start at 9 amps and 5
>>> hours later it was around 8 amps and 171 volts. It never shut off. I started
>>> turning it off at 9:30 which is where it shut off before. Today I went out at
>>> 9:30 and it was 167 volts. That was high as it would go. I only drive 3.5 miles
>>> to work, so it should not take long to charge.
>>> While charging at home on
>>> 220, I usually set it for around 18.5 amps. The limit light comes on at 175.5
>>> volts and the timer light comes on. The current only drops to 15 amps on timer.
>>> With an hour hold it was gassing my batteries. I turned the timer down to 30
>>> minutes because of the high hold current. I thought it dropped to about 6 or 7
>>> amps on timer?
>>> Anyway, on the weekend I tried to charge at home at 15 amps. I
>>> never got a limit or timer light and the voltage only went to 170 volts after 4
>>> hours. I thought that was strange. I turned the current up to 18.5 and the limit
>>> light and timer light came on. The timer light was blinking fast nearing shut
>>> off. I powered it off since it had been charging at 15 amps for so long.
>>> Any
>>> chance of you having a used PFC-20 that you would sell reasonable? I never
>>> charge at 20 amps, so I would not need 30 amps of a PFC-30. I would really like
>>> to change this charger out. I cant drive my vehicle late in the evening because
>>> I am afraid to leave the charger unattended.
>>> Any help would be
>>> appreciated.
>>>
>>> Thanks!
>>>
>>> Alan
>>>
>>>
>>>
>>>
>>>
>>>
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>>>
>>
>>
>>
>> --
>> www.electric-lemon.com
>>
>> _______________________________________________
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>
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>



--
www.electric-lemon.com

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Joined
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70 Posts
Discussion Starter #9
BTW,
the reason that your 175V CV setpoint is reached when charging
from 240V at max amps is simply due to resistance, with the
higher current you are still able to push the batteries to the
threshold, but at lower current they do not reach it any longer.

This problem has been discussed on this list several times over
the past years. Just set the threshold to a voltage that you will
always reach at the lowest charge current and make sure that the
CV (Constant Voltage) period is long enough to still reach 100%

You may notice that when batteries are (or get) warm, their
voltage drops, so the hotter they are while you are charging,
the lower the threshold must be (this is called temperature
correction).
Another effect is that then batteries are fully charged, most of
the energy you pump into them turns into heat, so the voltage
drops and some chargers even return to "bulk charge" mode as a
result, which will cause the batteries to be heated up to the max
and gas vigorously. Some have reported to find a mist of an
acidic or sulphuric taste when their charger made this mistake.
You *need* to have temperature correction on your charger if you
want to avoid this thermal runaway.
In addition a timer will help to stop at a guaranteed point.

Hope this helps,

Cor van de Water
Director HW & Systems Architecture Group
Proxim Wireless Corporation http://www.proxim.com
Email: [email protected] Private: http://www.cvandewater.com
Skype: cor_van_de_water IM: [email protected]
Tel: +1 408 383 7626 VoIP: +31 20 3987567 FWD# 25925
Tel: +91 (040)23117400 x203 XoIP: +31877841130

-----Original Message-----
From: [email protected] [mailto:[email protected]] On
Behalf Of Cor van de Water
Sent: Tuesday, October 19, 2010 1:17 PM
To: Electric Vehicle Discussion List
Subject: Re: [EVDL] PFC-30 Problem

Alan,

Nothing wrong with your charger, everything sounds OK only your setpoint
is so high that your aging pack is not reaching it any longer at low
current.
If the batteries are warm they will have even more trouble reaching it.
Just lower the setpoint to the lowest they reach reliably (for example
170V) and the constant voltage phase will make sure that they get full
anyway.
Also make sure that your charger is on a timer.
If you drive a short distant and you know that your pack should not
charge longer than an hour, simply set the timer for 1 hour and let it
kick off the charger so the pack does not get cooked overnight.

Success,

Cor van de Water
Director HW & Systems Architecture Group Proxim Wireless Corporation
http://www.proxim.com
Email: [email protected] Private: http://www.cvandewater.com
Skype: cor_van_de_water IM: [email protected]
Tel: +1 408 383 7626 VoIP: +31 20 3987567 FWD# 25925
Tel: +91 (040)23117400 x203 XoIP: +31877841130

-----Original Message-----
From: [email protected] [mailto:[email protected]] On
Behalf Of Alan Fuller
Sent: Tuesday, October 19, 2010 6:03 AM
To: Electric Vehicle Discussion List
Subject: [EVDL] PFC-30 Problem



Hello Everyone,
I am having some problems with my Manzanita Micro PFC-30 charger. I have
24 US Battery 2200XC batteries in a S-10 pickup. It was converted with a
Canadian EV kit by John Mogelnicki, Detroit EV. John done an outstanding
job on the truck and I am happy with it. I just need a dependable
charger!I am not having any problems with the batteries. I clean/water
them weekly.This is my second PFC-30. The first one failed within 2
months. It would only put out 2 amps. John sent me another one and I
swapped it out. It worked fine until a few months ago. I e-mailed Rich
and described my problem. He suggested that I send him the charger. He
returned it and said nothing was wrong with it.
I will copy the e-mail that I sent to Rich on October 12th describing my
problem. I haven't heard from him for whatever reason.I know there is a
lot of experience out there. I would like a recommendation for a charger
other than another Manzanita Micro.
Thanks!Alan

Hi Rich,

I am still having trouble with my charger. (PFC-30) I know you checked
it out and found nothing but it is acting strange.
I charge in 3
places. At home with 220, at work with 115 and a 208 at work which I use
rarely.
At work while charging with 115, I was getting 171 volts ( I have it set
for 175.5) and no lights (limit and timer). I would start at 9 amps and
5 hours later it was around 8 amps and 171 volts. It never shut off. I
started turning it off at 9:30 which is where it shut off before. Today
I went out at 9:30 and it was 167 volts. That was high as it would go. I
only drive 3.5 miles to work, so it should not take long to charge.
While charging at home on
220, I usually set it for around 18.5 amps. The limit light comes on at
175.5 volts and the timer light comes on. The current only drops to 15
amps on timer.
With an hour hold it was gassing my batteries. I turned the timer down
to 30 minutes because of the high hold current. I thought it dropped to
about 6 or 7 amps on timer?
Anyway, on the weekend I tried to charge at home at 15 amps. I never got
a limit or timer light and the voltage only went to 170 volts after 4
hours. I thought that was strange. I turned the current up to 18.5 and
the limit light and timer light came on. The timer light was blinking
fast nearing shut off. I powered it off since it had been charging at 15
amps for so long.
Any
chance of you having a used PFC-20 that you would sell reasonable? I
never charge at 20 amps, so I would not need 30 amps of a PFC-30. I
would really like to change this charger out. I cant drive my vehicle
late in the evening because I am afraid to leave the charger unattended.

Any help would be
appreciated.

Thanks!

Alan






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