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Individual Zone Heating and Cooling

Bob meets with Meredith Schelp from Mitsubishi Electric HVAC to learn about the City-Multi HVAC system that will heat and cool the Manhattan Brownstone floor-through apartment. This system allows for simultaneous heating and cooling of separate zones throughout the apartment, so that a busy kitchen can be cooled while a quiet den or bedroom receives heat. The system uses outdoor and indoor units with variable drives to accommodate delivery demands. There will be three units installed in the apartment, each above the ceiling in vestibules where the ceilings can be dropped to hide them. Joseph Yannaco of Polar Mechanical Corporation explains that the interior units control the temperature and delivery of the conditioned air. The thermostatic controls run on sensors, so there's no need to keep the panels mounted visibly on interior walls. Ducts carry the heated or cooled air throughout the apartment.
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Individual Zone Heating and Cooling

  computer-generated transcript - may not be 100% accurate

" All right we're gonna talk now about heating and air conditioning and a big. Big apartment like this with high ceilings so we're gonna learn about a Mitsubishi system with Meredith show who's here from Mitsubishi. And we got Joey and I go from polar mechanicals who's gonna help us figure out how it's installed but Meredith. So this column -- the city multi system final thing that's correct so it's true. Heat and air conditioning."

" That's correct we can provide simultaneous heating cooling with individual sense and precise comfort control."

" Now this is not exactly new technology but it's kind of recent in its application to residential spaces that is correct we've had the technology for over twenty years when introduced in the United States in 2002."

" How around our target markets are commercial high end residential applications because it and until that happens now."

" Here we have a 2000 square foot apartment with twelve foot ceilings -- were not exactly sure what the volume is I haven't read a heat loss comp. But how do you approach this from this perspective that you're talking about being able to cool one room and heat another."

" Well there's several things that plane apart one in the outdoor unit we have a variable drive and barter system. Also we have variable -- speed I think indoor units what this is going to allow to -- Is to accommodate the load on as it changes from the spaces. Say over here right now -- were in the kitchen area. Maybe it's Thanksgiving dinner we need to cool this space but it's still a little cool and again. We can transfer the energy so that we are simultaneously. Cooling and heating multiple times throughout the --"

" So or you got a cocktail party with fifty or sixty people in our big living room over here generating heat yes. And then a caterers and yet -- and it can happen yet where you have people kind of needing to cool down one space and heat the other correct."

" Joe of I don't know what you're doing their I'm glad you're doing it goes through this is essentially the controls Troy we're talking about the current. I was setting the dip switches so that the controller before we don't need a thermostat inside the space anymore we can put in a closet. So you don't have to actually see the thermostat on really yes it senses from the return picks up through from mr. So you don't have to have a thermostat in each room or anything like that -- him. And then in terms of the actual I mean this looks like it's a large heavy piece of equipment right yes that is -- I was not terribly -- but where will this be mounted. -- In ceilings in dropped ceilings. So it is sold space this kind of vestibule here correct where you can lower the ceiling and and Yugoslavia high ceilings in here and -- living room and dining room areas and we've already installed one we've got -- goes in here and then there's a third when it goes another restaurant back there three units for a total of five ton capacity. I see there's a lot of duct work up here yeah. We want to get the attitude the windows where a lot of the heat load would be but I would think that one of the advantages of this kind of system is that normally you'd have short runs. Yet you could put short there's a certain amount of distance these units. The Mitsubishi allows you to run. Basically fifteen feet. -- standard terrific all right well I can't wait till it's all done thanks Mary thank you next job thank you."

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