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Anatomy of a Gas-fired Packaged RTU
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- Опубліковано 18 сер 2024
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Love the swinging doors and locks, so much easier to pop in and out to work on the system
We wish everyone would order the units that way... spend slightly more now to save later.
This was exactly the info I was looking for thanks! Great channel!
Do a video on a dx air conditioner system if you can
Very useful video for me that I am beginning in this business in this country. Thank you so much
The design of convenient outlet is so nice
Thank you
Ok I just added a short video on my site. It has visual of how all the drain lines tie together. I will get more video Thursday and put that up as well. “ACtech formally yo mama”. Let me know if you see it.
The ironic thing is the video shows the roof wet from rain... hence the idea of the drain lines being to prevent slip hazards sort of funny.
I know. You should see the slime on the sidewalk from the roof drains. When I first got to this job I thought the AC was draining on them but it’s condensation from the roof. Yes the roof gets wet from humidity every night. The white roofs are brutal. They reflect heat very well and cook you while you’re on them.
meow...good job....meow
Since this RTU has two compressors and two evaps, does it also have two condensers?
Having 2 compressors does not automatically mean two condenser coils. You can have multiple compressors (or a single compressor with 2 stages) on the same refrigeration circuit. However, once you have two TXVs, then there are likely going to be two independent circuits, and hence two evaporator coils and two condenser coils.
please do one on circuit boards
What type of circuit board specifically?
do we needa change the filters ?
yes
were you concerned with that condensate line discharging so close to the unit? Do you think it should be extended further away? im in florida not sure where this was
Chicago suburbs
What is the benefit of having a long condensate line? The height of the trap is important but not sure why you would desire a long line.
@@TECTubefilms you are right that its fine. i was more thinking about the roof. constant dripping from the line could deteriorate the roof faster, but really, i would never write that up as a problem. Sure extending it to discharge off the roof would be better but its not gonna make much difference if i had to guess. i havent inspected too many rooftop units so i was wondering what you thought. You are obviously very professional and i like to learn from the best
@@watchmenpropertyinspection3469 Thanks for the compliment. And we do understand your point. In our cold climate, the bigger issue might be long condensate lines that are not well slopped, allow water to collect, and then potentially freeze.
This person has a large ...... rtu.
So you don’t have to run the drain to an approved storm drain, flower bed, or grass area? This is a required code in Texas.
We wonder why that would be code in Texas. Interesting. Condensate from an evaporator coil is non-corrosive. Why can't it just go on the roof and drain the same way as the rain?
It is a slip hazard. It can not drain to a side walk or driveway. Draining on a roof is no longer code here. My guess is an inspector slipped on a roof lol now it’s no longer code.
@@actechformallyyomama746 Weird. Around here in Illinois, the roofs typically have drains that go direct to the sewer so the condensate never makes it to a sidewalk.
It’s about 50 50 here. If the roof does not go to a storm sewer, grass or flower bed than you have to run the drain inside the building to an approved drain. A restroom sink or a floor drain. This is a bad idea. I’ve seen it flood a business when the sink clogged and the AC kept running. Residential must run to a restroom sink drain. Previous the trap. And this also flooded the house. Proper thinking has been thrown out the door. This has been code here for many years. I believe it will change when the insurance companies complain about claims.
@@actechformallyyomama746 Insane. They are taking something that has no issues (water on the roof of a building) and making it into an issue. In fact, we don't see how code would even allow... let alone require... you to run condensate into a restroom sink. That would be prohibited here by our plumbing codes.
Very nice !!!! We are soooooooooooo done with daikin !!!!!!! Total garbage !!!!
Supply and return at same place
What do you mean?
@@TECTubefilms I think they mean the exhaust is getting reentrained on the fresh air intake on the economizer. I only watched the first economizer video (from the link posted on this video) and wondering about possibly mixing exhaust with supply. Hypothetically if economizer is open 50% and the exhaust damper is open 50%, what keeps airflows from mixing?
@@bryanprince8184 I suppose exhaust mixing back with intake air is a possibility. However, the exhaust is exiting with velocity pressure which is pushing it away from the unit, making those air molecules less likely to be the ones that the OA intake is sucking in. Additionally, the International Mechanical Code allows for up to 10% inadvertent re-circulation of this class of air. This exhaust is just regular room air. It is not hazardous. It is not even objectionable in odor like toilet exhaust or something like that. The exhaust air on a RTU economizer hood is simply just a portion of your regular return air that you had planned on recirculating anyway.
@@TECTubefilms Thanks for the punctual explanation. I really enjoy your videos!
dikin package ro carrier to go with ?
?
I ask you i buy kaikin air condition 11 tons or carrier air contrition, wich one to buy wich one butter to buy ?
@@abdullah_q8171 Carrier over Daikin products all day! But we have been a Carrier distributor since 1935, so we may be slightly biased. :)
Hi what the benefit condenser fan for package?
What do you mean? If you don't have a condenser fan, how are you going to move the heat away from the condenser coil? You would have to have a giant condenser coil in order to rely on radiant heat removal and natural convection. So the benefit of the fan is mechanically forced convection and hence and much, much, much smaller coil.
hi, do you recommend Daikin 12 tons for me?
We are pretty partial to Carrier equipment over here at TEC. We have been a Carrier distributor since 1935.
Thank you