VANAGON archives -- July 2006, week 4 (#323)

Date:         Thu, 27 Jul 2006 00:18:22 -0400
Reply-To:     Kim Brennan <kimbrennan@MAC.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Kim Brennan <kimbrennan@MAC.COM>
Subject:      Re: Propane fired airconditioning
In-Reply-To:  <02b901c6b0fb$f72fe970$657ba8c0@MAIN>
Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed

Of course propane (and other hydrocarbon refrigerants) operate at a
LOWER pressure than R12 (and MUCH lower than R134), so even with
added heating at the end of the day, the system is likely at a lower
pressure than an R134 system that is actually running.

On Jul 26, 2006, at 5:39 PM, Robert Fisher wrote:

> The pressures in an MVAC system are actually at their highest 30-45
> minutes
> after the engine is shut off due to the system continuing to absorb
> heat
> from the engine compartment without having any way to dispel it.

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