208 V 2 pole meter [RE-wrenches]

Jeff Irish jeff at hvce.com
Tue Dec 11 14:38:13 PST 2007


I concur with Darryl.  We've used several CL200 240V 3W (single phase) glass
bulb meters connected line to line on 208Y120 three phase service and they
work just fine, meaning that over time the meter reading and inverter
E-total are within a few percent of each other.

If you have doubts or need meter help, Austin International in SC is pretty
helpful.

Jeff Irish
Hudson Valley Clean Energy

-----Original Message-----
From: Darryl Thayer [mailto:daryl_solar at yahoo.com] 
Sent: Tuesday, December 11, 2007 5:26 PM
To: RE-wrenches at topica.com
Subject: Re: 208 V 2 pole meter [RE-wrenches]


I am surprized if he is correct.  The meters work on
120 to 240 volt just fine, your power is single phase
added to a three phase load, your meter is single
phase, I think it will work.  Perhaps you can get
intouch with the meter people.  
Darryl
--- Steve Johnson <stevejohnson at comcast.net> wrote:

> 
> I have installed a SB 400US in a system with a PV
> production meter.  The 
> main meter is a 208v, 3 phase CT.  The PV production
> meter is on the 
> load side of the main meter.   From the inverter it
> goes through an AC 
> disconnect, through a 2 pole feed through meter
> base, and onto a 2 pole 
> breaker in the main panel.
> 
> The utility meter guy says his 2 pole 240 v
> single(split) phase meter 
> won't read the 208v 2 pole output of the Sunny Boy
> correctly because it 
> has a 240 volt coil in it.  Says they don't make a 2
> pole 208 volt 
> meter.
> 
> Is this right?  What to do?  I guess I could change
> the meter out to a 3 
> phase 208v meter base and they could put in a feed
> through 3 phase 
> meter, there just wouldn't be any power on the third
> leg.
> 
> Anybody else run into this?
> 
> Steve
> 
> Steve Johnson
> 
> 
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