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Date: Tue, 25 Jun 1996 09:58:55 -0700 (PDT)
From: "Peter N.R. Heseltine" <heseltin@hs*.us*.ed*>
To: john.r.strohm@BI*.co*
cc: techdiver@terra.net
Subject: Number of solenoids on CCR500

John,

My recollection was that there were two solenoids. I think in retrospect
that that is not correct. I am pretty sure that you are right and that the
diluent is added only consequent to a change in the volume of the
counter-lung, i.e., by a tilt-valve. Sorry for the misinfo.

Peter

On Tue, 25 Jun 1996 john.r.strohm@BI*.co* wrote:

> >> 1.  Is there more than one solenoid in a single breather?
> >
> >Yes there are two on the CCR500: one for the O2 tank and one for the
> >diluent
>
> The CCR-155 uses a solenoid valve for O2 and a simple mechanical tilt valve
> for diluent.  Why did they change this for the -500, did they say?

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