(when the pstat reached the set pressure)

From: mdp...@hotmail.com
To: brewtus@googlegroups.com
Subject: RE: Steam pressure rises without stopping
Date: Sun, 17 Feb 2013 15:50:48 -0500





The safety relief valve hisses at 1.8 or so.  It is new.  There are no leaks at 
the threads.Testing with a meter revealed that there was still current to the 
element (steam) when the indicator light turned of (when the peat reached the 
set pressure).  Removal of the red wire on the element and the element still 
receives current.  PID appears to be wired per WLL instructions.  So the 
element is getting current and therefore heat after the pstat reaches a level 
where the element should turn off when the indicator light turns off.  Pstat is 
wired the same way the old pstat was wired.

From: papamu...@iinet.net.au
Subject: Re: Steam pressure rises without stopping
Date: Sat, 16 Feb 2013 10:44:54 +0800
To: brewtus@googlegroups.com

I don't know your level of experience so please take these questions with a 
grain of salt...
It's not the vacuum breaker hissing is it?
What is the relief pressure rating on the safety valve? I'd expect it be at 
least 1.8 bar and higher so should not hiss until then.  Also is it hissing due 
to valve opening or bad seal on valve threads?
I guess you have the p-stat wired correctly?  There are often three connections 
on the switch common, normally open and normally closed.  You need common and 
normally closed.
Graeme
On 16/02/2013, at 9:46 AM, AngerManagement <comp....@gmail.com> wrote:Can only 
assume the PID is involved...

On Friday, February 15, 2013 1:33:21 PM UTC+10, Michael Payne wrote:Looking for 
some help if possible. Installed the PID in the Fall. Heating element went. 
Sent back to WLL and they fixed that, among other things.  I had the machine 
working for around a week and the safety valve blew.  Long story short, I 
purchased a new pstat and safety valve.  Installed them tonight and no matter 
where I set the pstat, the pressure in the steam boiler continues to rise until 
the safety valve starts to hiss.  It will go we'll above 1.5.  1.7, 1.8.  Any 
ideas what old be causing it?  After initial install I removed the tube leading 
o the pstat to check for debris. I found none, and none in the pstat.

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