Rewiring the array for higher voltage gives the MPPT more range to play
with, in addition to cutting the wire losses by half.
Sometimes with older modules close to the battery voltage, the
controller will operate the array below max power point, and not really
see any boost.
Ray
On 11/7/2011 6:44 PM, Joel Davidson wrote:
Hello Ray,
Thank you for the quick reply. You are right. It's time to move on
from the Pulse stuff. I will recommend this solution to my customer. I
did something similar to my Trace system when I replaced the C40 that
came with the Trace Modular Cabinet with an externally mounted Outback
MX60, but I did not rewire the array.
Best regards,
Joel Davidson
----- Original Message ----- From: "Ray Walters" <[email protected]>
To: "RE-wrenches" <[email protected]>
Sent: Monday, November 07, 2011 10:16 AM
Subject: Re: [RE-wrenches] Faulty PM-60 circuit board
Today's controllers are so much better both in terms of battery
management, and power efficiency, that I replace the old Pulse stuff
even if they're not dead. I usually keep the PC250 as a DC load
center, and pop a new controller off the top. This is often a good
time to add a few modules to the array, and rewire the existing array
to higher voltage. This allows the existing home run wiring to be
reused, even with the additional modules. I've found that if the
original array wiring was good, that it takes very little work to
jump up the voltage. Definitely don't need to redo every connection.
People are used to upgrading to better electronics: who still uses
their computer, modem, or cell phone from 10 years ago?
Today's controllers will pay for themselves in extended battery life
alone.
Ray
On 11/5/2011 6:50 PM, Joel Davidson wrote:
Wrenches,
My customer has a circa 2001 Pulse PC250 with a faulty PM-60 circuit
board TC-750, REV D2 (the microprocessor U1 has v2.5 and v1.01
written on a label on it). Does anyone repair or have replacements
for PC250 PM-60 circuit boards? If not, what do you recommend? Thank
you in advance for your help.
Joel Davidson
_______________________________________________
List sponsored by Home Power magazine
List Address: [email protected]
Options & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
List-Archive:
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
List rules & etiquette:
www.re-wrenches.org/etiquette.htm
Check out participant bios:
www.members.re-wrenches.org
_______________________________________________
List sponsored by Home Power magazine
List Address: [email protected]
Options & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
List-Archive:
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
List rules & etiquette:
www.re-wrenches.org/etiquette.htm
Check out participant bios:
www.members.re-wrenches.org
_______________________________________________
List sponsored by Home Power magazine
List Address: [email protected]
Options & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
List-Archive:
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
List rules & etiquette:
www.re-wrenches.org/etiquette.htm
Check out participant bios:
www.members.re-wrenches.org
_______________________________________________
List sponsored by Home Power magazine
List Address: [email protected]
Options & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
List rules & etiquette:
www.re-wrenches.org/etiquette.htm
Check out participant bios:
www.members.re-wrenches.org
