SW4024 and Pizzo Igniters [RE-wrenches]

[Bob Ellison, Alternative Energy Systems]

Scott,
Look for a voltage and/or frequency problem in either direction. I have
noticed in the past the same thing when the generator was a little slow or
way fast and the chargers had it well loaded. I like to run them a little
hot (fast), I get better charger performance that way. Nothing seem to
complain except sometimes the igniters..

I think that oven has a glow bar, the only spark ignition oven that I know
still that is available is the Peerless / Premier.
But I could be wrong.

Best luck,
Bob

RE. Ellison
Supplier of;
Alternative Energy Systems & Supplies
34642 Countryman Road
Theresa, NY. USA
                               13691-2076


-----Original Message-----
From: scott [mailto:scott at backwoodssolar.com]
Sent: Friday, January 03, 2003 5:48 PM
To: RE-wrenches at topica.com
Subject: SW4024 and Pizzo Ignitors [RE-wrenches]


Any comments on this query? Many thanks.  Scott

Hi,

I have an off-grid house powered by solar, an SW4024, and an Onan 4kw
generator (everything bought from you except the generator).  My oven/stove
is a current model Whirlpool (I think) propane stove with electronic
ignition.  The lighters are pizzo spark ignitors, not glow plug heaters.

I've got a very odd and annoying problem that I can't figure out and was
hoping you might have some ideas.  When running the generator (SW4024 is
charging the batteries and passing the generator power through to the
house), the ignitor for the oven will not operate.  The stove-top burners
work fine.  When the generator is off and I'm running the SW4024 on
batteries, the oven usually works fine, but with certain other appliances
turned on the oven still sometimes doesn't work.  In particular, when we run
our christmas tree lights the oven ignitor won't work.

I originally guessed that the ignitor control was sensitive to the power
factor, and tried using a couple of different value motor run caps.
Interestingly, this made the situation worse.  With the caps on, the oven
would never work.  Presumably if caps make it worse, more inductance might
help, but I'm not sure how to add inductance.  I was going to try an
isolation transformer next, but thought I'd check to see if you have had any
experience with this and had any ideas.



Backwoods Solar Electric Systems www.backwoodssolar.com

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