On Wed, 22 Dec 2004 13:40:48 -0600, (m Ransley)
wrote:

I have never bled more than air out. Air is what you do not want in the
system. You need to be sure your water level is correct since you
removed some. 12lb cold is normal. What is your water temp set at. raise
it , try 185


12 psi cold may or may not be normal depending upon the vertical
height of the system.

_______________

Gary R. Lloyd CMS
HVACR Troubleshooting Books/Software
Written by a veteran Service Technician

https://www.merchantamerica.com/tmethod/