2009年4月29日 · I'm looking for average lifespan of the VTAC-7 VFD, based on field experience, and that apart from any calamity that might take out a drive, such as power spikes, lightning …

2007年10月23日 · We've got an 18,000btu Friedrich VTAC that in the last couple of weeks has severely frozen the evaporator coils. At first I figured that this would be an easy problem to …

2007年6月25日 · I have the design of a 34-story condo project starting up and the initial design idea is to use VTAC units in the condos. It would eliminate refrigerant lines and also eliminate …

2020年7月20日 · Welcome to HVAC-Talk.com, a non-DIY site and the ultimate Source for HVAC Information & Knowledge Sharing for the industry professional! Here you can join over …

2016年2月18日 · Welcome to HVAC-Talk.com, a non-DIY site and the ultimate Source for HVAC Information & Knowledge Sharing for the industry professional! Here you can join over …

2015年3月11日 · we have a hotel with all islandaire ptac's under a year old and so far a bunch have been having issues. today i worked on two separate units which appear to have bad …

2006年9月21日 · Welcome to HVAC-Talk.com, a non-DIY site and the ultimate Source for HVAC Information & Knowledge Sharing for the industry professional! Here you can join over …

2004年8月1日 · Here's my situation. At my work I have a 20,000 square foot office building, 10,000 sq. feet each floor. Top floor cooled by 40 ton Carrier split system, bottom floor by 20 …

We have a 22 year old Magic Chef VTAC which is probably on its last legs. It has had a circulator fan replaced ( 5 years ago) and the refrigerant replaced (around 6 or 7 years ago). I know that …

2023年9月22日 · Details: VTAC closet. Vertical plenum to rounded elbow to tee fitting splitting trunk in two 8x8 sections traversing to different rooms. No room in webbed joists above and …