VAV vs VVT | HVAC-Talk: Heating, Air & Refrigeration Discussion
Jan 26, 2005 · The VVT system relies heavily upon all the distributed zones having similar conditions.It is a cheap setup IMO to provice any heat to an area it must stop cooling the …
Carrier VVT help - HVAC-Talk
Oct 3, 2013 · VVT is one of my weaknesses. I have never install or had any training. I know there are different generations. Does anyone have a cheat sheet of sorts for troubleshooting? I have …
Old carrier VVT zone controller/actuator info - HVAC-Talk
Apr 14, 2011 · Old carrier VVT zone controller/actuator info I am replacing an old Carrier VVT system with the white zone controller/actuators with the circuit board on them. I want to reuse …
JCI - Metasys vs. Facility Explorer - HVAC-Talk
Oct 14, 2009 · Metasys is for JCI branches and Facility Explore is for their agents and is more for commercial work. I remember there is a package VVT controller line in facility explorer. You …
Circon controller for Aaon RTUs, VVT system - HVAC-Talk
Aug 22, 2006 · Most VVT systems don't control to SAT, they fire stages based on the max (voted) demand for heating or cooling and assume the system is sized to accomodate. Assuming SAT …
Carrier iVu RTU open factory application programs - HVAC-Talk
Aug 30, 2013 · Can anyone share the factory password or the factory option to access the carrier rtu open, VVT, and VAV canned programs in snap? Not trying to modify the program, I just …
VAV Terminal Load | HVAC-Talk: Heating, Air & Refrigeration …
Jul 28, 2011 · I have seen this as well integrating new Distech programmable controllers and vavs to control the rtu with the older Honeywell vav asc zones in a VVT control sequence.
York RTU Question | HVAC-Talk: Heating, Air & Refrigeration …
Dec 30, 2007 · The messed up part of my VAV/VVT system is that it didn't have any sort of bypass damper, it based the output of the VFD off duct static. It sounds like yours may benefit …
Automated Logic Bacnet point IDs - HVAC-Talk
Feb 4, 2013 · Hey guys and gals I'm trying to intergrate my current BMS to take over some Automated Logic vav's,vvt's, and fcu controllers. I was able to probe the controllers and get …
Carrier zone terminal issue - HVAC-Talk
Jun 7, 2013 · Without the correct address, an otherwise good VVT controller, is dead in the water because the controller needs a unique "name" for the CCN to talk to it. You will need what …