TRADES THREAD (not so secret Yonic HVAC Chronicles Blog thread)

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User Info: r4X0r

r4X0r
1 month ago#41
YonicBoom posted...
Day 6:

People are finally starting to realize the prof is serious when it comes to his deadlines on assignments/homework/etc. Lots of people felt the sting of zeroes or less-than-stellar grades on things they had to rush. Not a problem for me, as I intend to maintain an A average throughout the program.


High school is one thing. I did as little of the work as possible. But what kind of bone head pays money for a course and then doesn't do the work.
Professionals are predictable- it's the amateurs who are dangerous.

User Info: YonicBoom

YonicBoom
1 month ago#42
Day 7:

Went over more electrical theory in the classroom for a bit, then...

https://i.imgur.com/uVkGCIRh.jpg
https://i.imgur.com/zLGiB9dh.jpg
https://i.imgur.com/Mtmvadph.jpg

(hopefully the images are a reasonable size in this post, I used the "huge thumbnail" option in imgur so these things don't take up the entire screen)

Capacitors. Great fun if you're smart about electricity. Not fun if you're the type who grabs the top of a charged one. I did not get popped, but some did. I was actually kind enough to discharge mine after every single test, though this wasn't something the prof went over. Our assignment: find the operating range of each one and test to see if it's within the manufacturer's specifications.

That green ugly one had no markings whatsoever for its terminals. About half the class claimed it was dead. It's not. It was the first one I got, and I just kept jumping the terminals until I got what I wanted. Some of the others are not so keen on experimenting (which is sort of the point of this) and others who DIDN'T bring out the alligator clips would get nothing as they p****footed around with their test leads. 20 Capacitors of various types (start/run/dual). Run and start are easy because only 2 terminals, duals have common/fan/herm terminals. Some of those start ones require you to break a bleed resistor between the terminals before you can test them.

I liked this class a lot. I was the first one to finish so I got to go home early. Very nice.

EDIT - the blue meter in pic 3 is really nice and lets you test both fan/herm at the same time, a HOLD button so you can stop the reading (the meter will continue to charge the capacitor otherwise) and it's apparently a must if you're in residential since you can take your readings, hold them, then go inside and SHOW the owner "your capacitor's f***ed mate."
All these boomas like me.
https://www.youtube.com/watch?v=VVkkHVl8QvE

User Info: YonicBoom

YonicBoom
1 month ago#43
r4X0r posted...
High school is one thing. I did as little of the work as possible. But what kind of bone head pays money for a course and then doesn't do the work.

IDK, and the work is super easy too (though a bit time-consuming). The reading actually isn't bad because there's LOTS of interesting stuff in the book.
All these boomas like me.
https://www.youtube.com/watch?v=VVkkHVl8QvE

User Info: r4X0r

r4X0r
1 month ago#44
You find the work super easy and super interesting. Seems you've found your niche.
Professionals are predictable- it's the amateurs who are dangerous.

User Info: Albtraum13

Albtraum13
1 month ago#45
No, you definitely want that Fieldpiece HS33, oe the more compact one. That blue one is junk, and you dont need to show the customer both readings, or need to take both that same time. if 1 side on a dual run cap is bad, they will have a hot house, and made a service call, and the whole thing gets replaced. Ive learned the hard way that its bad to get all technical with Mrs. Jones. She dont care.

User Info: YonicBoom

YonicBoom
1 month ago#46
Day 8:

More refrigeration cycle theory. We went into a lot more depth than in previous nights which was cool. Went over lots of EPA cert stuff since that's a test we'll be taking in 2 weeks. I'm going to read the study guide several times over the weekend between homework and whatnot. Went into the shop and examined a lot of different refrigerant recovery tanks, weighed them, discussed EPA things pertaining to them, etc. Not the most exciting activity but beats sitting around.

Not really sure what's on the docket for next week, but I saw a bunch of vacuum pumps in the shop which may portend fun things.

Albtraum13 posted...
No, you definitely want that Fieldpiece HS33, oe the more compact one.

I think so too since it's faster to just bang bang and done instead of dealing with 3 leads, but the prof insists that if you're doing more sales-oriented stuff that the blue one is better for proving your point to easily-swayed housewives. I'll buy a Fieldpiece one when the time comes because I like it a lot. Still too early to tell what I'll end up doing in the field once this is all done.

r4X0r posted...
You find the work super easy and super interesting. Seems you've found your niche.

I hope this is still true a few weeks from today, a year from today, and beyond.
All these boomas like me.
https://www.youtube.com/watch?v=VVkkHVl8QvE

User Info: Albtraum13

Albtraum13
1 month ago#47
Dang how long is this program? They sure are zooming through pretty fast.

User Info: YonicBoom

YonicBoom
1 month ago#48
Should have the "Level 1" Certificate in May. Lv2 is completed the following Fall semester. Can have an AAS in HVACR by then if I feel like taking some extra "core" classes over the winter/summer. That would help immensely if I decided to pursue it further. Apparently there are even HVAC Engineering degrees for those who want to go into the development side.

It's looking to become very intense as we ascend beyond "don't accidentally die" and "how things work." A lot of the weird timing of things comes down to the college "board" people who have never turned a wrench in their lives trying to make this program look good by getting people useful certs early on to say "they're hirable!" The professor has a lot of say in how things go down, and he has a LOT of funding since there's a huge push for technical programs in this area, but some decisions are still made by people who really don't understand trades.
All these boomas like me.
https://www.youtube.com/watch?v=VVkkHVl8QvE

User Info: YonicBoom

YonicBoom
1 month ago#49
Day 9:

https://i.imgur.com/QgAPoF8h.jpg

The first bit of class was spent putting our wire strippers to use and wiring up a basic thermostat. Really loving my pair and they were truly useful with the needle-nose end for bending wire to wrap around screws. After we had them wired up we tested for continuity with the t-stat switches in different positions. A very good exercise. I think anyone who's having trouble wrapping their heads around the theory are starting to get it with more hands-on work. Me and the guy next to me decided it would be fun to make ours into little desk ornaments.

https://i.imgur.com/a3H8d9rh.jpg
https://i.imgur.com/FuXVEoFh.jpg

After we finished up with the thermostats we headed into the lab to disassemble and re-assemble some electric motors. Mine was quite easy to tear down. Others were not so lucky, but they didn't have to re-assemble theirs so it worked out for them. Went over the different parts, discussed how they work, found out that sometimes the labels on the side suck when getting information as it can be written MANY different ways even though it's all the same stuff.

Tomorrow, we disassemble fans.
https://i.imgur.com/zkxuU7nh.jpg
https://i.imgur.com/iIsOG0Mh.jpg
All these boomas like me.
https://www.youtube.com/watch?v=VVkkHVl8QvE

User Info: ChokeStan

ChokeStan
1 month ago#50
I hate wiring. I'll be happy when my circuits lab is over.
But I didn't put my hair in a pony tail for nothing so if I'm going home alone I'm not going at all.
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