Laing EcoCirc D5 Vario Pump experience [RE-wrenches]
Todd Cory, Mt. Shasta Energy Services
toddcory at finestplanet.com
Thu Jan 19 16:54:29 PST 2006
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I am using a Hartel MD10 HEH brushless 12 volt DC motor coupled by
magnetic drive to the pump head for the glycol loop on our 2, 4 X 10
SDHW system. The piping to and from the panels is 120' of 3/4" copper.
The system works excellent! March also makes brushless DC SDHW pumps for
this purpose too.
Since you have 24 volts, why not put in a 24 to 12 volt voltage
regulator to convert the power to feed this great pump?
For help from Lang, contact Bob Hutslar at: bhutslar at lainginc.com
Todd
Howie Michaelson wrote:
>Hi,
>
>I am looking for a 24 vDC circulating pump for a glycol SHW system that
>will pump maybe 3 gal/min at ~6' of head. Anyone have any suggestions
>(the El Sid doesn't pump enough and the Hartell HEH won't handle the
>voltage).
>
>Looking at the pump curve it seems the Laing may fit the bill but we have
>no experience with them. Anyone have any experience with any of the Laing
>EcoCirc pumps. I'm particularly interested in the 24 volt D5 variable
>speed model, but info about experience with any of them would be
>appreciated.
>
>Also any suggested distributors for the EcoCircs?
>
>Thanks,
>Howie Michaelson
>NABCEP Certified PV Installer
>Global Resource Options, Inc.
>601 Old River Road, Suite 3, White River Junction, VT 05001-9030
>800-374-4494 x118
>www.GlobalResourceOptions.com
>
>
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