[amsat-bb] Re: G5500 change voltage supply

i8cvs domenico.i8cvs at tin.it
Wed Jun 1 13:34:07 PDT 2011


Hi,

Apologise ! I was wrong and please amend my previous message with
with the following one

73" de
i8CVS Domenico

----- Original Message -----
From: "i8cvs" <domenico.i8cvs at tin.it>
To: "Bill Dzurilla" <billdz.geo at yahoo.com>; "Amsat - BBs"
<amsat-bb at amsat.org>
Cc: <ea4cyq at amsat.org>
Sent: Wednesday, June 01, 2011 10:13 PM
Subject: Re: [amsat-bb] Re: G5500 change voltage supply


> Hi Bill, NZ5N
>
> I was looking at the schematic diagram
> http://www.hamcity.com/store/pc/catalog/pdf/220vconversion.pdf
>
> As I suspected the transformer has 4 wires coming off from the
> primary windings.
>
> In my opinion the transformer has two identical primary windings
> to work in parallel from 100 to 117 volt and in series with 220 volt
>
> For 100 or 117 volt jump terminal 0 to terminal 2 and  terminal 1
> to terminal 3 so that both primary windings are in parallel and in phase
> after that connect the 117 volt line to terminals 0 and 1 or 2 and 3
>
> For 220 volt jump terminal 1 to terminal 2 and connect the 220 volt
> line to terminals 0 and 3
>
> 73" de
>
> i8CVS Domenico
>
> ----- Original Message -----
> From: "Bill Dzurilla" <billdz.geo at yahoo.com>
> To: <amsat-bb at amsat.org>
> Cc: <ea4cyq at amsat.org>
> Sent: Wednesday, June 01, 2011 6:53 PM
> Subject: [amsat-bb] Re: G5500 change voltage supply
>
>
> Here is the mod to change Yaesu rotors to 220v:
> http://www.hamcity.com/store/pc/catalog/pdf/220vconversion.pdf
>
> But perhaps yours has a different transformer if it uses pin 3 for 117v.
In
> the mod, pins 0 and 3 are for 220v.
>
> 73, Bill NZ5N
>
> > Subject: [amsat-bb] G5500 change voltage supply
> >
> > I have purchased a G5500. The control box have a
> > 117Vac label in the real
> > panel. I opened it and a wire is connected through
> > the fuse to the terminal
> > number 3 of the KT-30 transformer and the other wire
> > through the main switch
> > to the terminal number 1 of the KT-30 transformer.
> >
> > I am wondering how I should connect it to work with 220Vac
> > in Europe.
> >
> > Thanks in advance. ea4cyq at amsat.org
>
>
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