VAV vs VVT | HVAC-Talk: Heating, Air & Refrigeration Discussion
Jan 26, 2005 · VVT is variable Volume & temperature, 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 …
vvt bypass damper location - HVAC-Talk
Jan 17, 2006 · Gents, We're tasked with finding solutions for a 5yr old/8 zone/no reheat Carrier VVT system that has experienced intermittent noise and temperature control issues since day 1. One …
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 is …
JCI - Metasys vs. Facility Explorer - HVAC-Talk
Jan 22, 2010 · I remember there is a package VVT controller line in facility explorer. You can't get Metasys unless you are a branch or an authorized agent. Locally in Toronto, I think Yorkland sells …
York RTU Question | HVAC-Talk: Heating, Air & Refrigeration Discussion
Apr 5, 2011 · When the RTU satisfies on return air temp, the VAV's will modulate to maintain whatever cfm setpoint they are looking for. It's a poorly designed system at best. I'm probably going to have to …
VAV Terminal Load | HVAC-Talk: Heating, Air & Refrigeration Discussion
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.
Wattmaster WMS 1715 Health Ways Replacement - HVAC-Talk
Aug 2, 2022 · Yeah years of working on parker VVT in my early days garnered a lot of dislike for this concept. From a mechanical background what a poor idea! VVT has sent a lot of compressors to the …
75F controls | HVAC-Talk: Heating, Air & Refrigeration Discussion
Oct 26, 2013 · Our company looked at them for a while. Business Development team liked to use hot button terms like IOT, cloud and optimization. Looking into them their cloud optimization seems to …
What approach would you take on VAV reheat coils that...
Jun 28, 2018 · The balancer identified this as a VVT system which is a lot different than variable volume VAV. The VVT does not read airflow and airflow is set by establishing the damper set point …
Carrier I-Vue premier link issue? - HVAC-Talk
Jan 8, 2025 · Have many rooftops on a carrier I-vue and one of the rut’s today wasn’t heating many of the 6 or 7 zones off the rtu. One zone was warm however. This premier link controller has a …