Type: Posts; User: wormy
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just a thought....
double check your gauges and meters... make sure everything is reading properly and calibrated
nothing sucks worse than having the wrong numbers
we're only as good as our tools ...
wait till you see an old unit with that uses the capacitor as part of the crankcase heater circuit
Trane used this years ago.... just ran across and old Rheam (or was it was it a RUUD) that did...
isn't a 3000 stat a HP stat?
if so... you better not use that or your air conditioner is gonna kick on when you call
for first stage heat. You just need a normal stat not a heat pump stat.
opened a carrier package unit once
very very old model..... heat section on right / compressor section on left
wished I could tell you model number
huge wasp nest
its a shame they installed a new system that uses r22
i've seen this once on a lab chest type freezer
pretty sure it was a 404a system
w/ rotary compressor as well
Ran into a Carrier system before that had something like 4 pounds of refrigerant listed on the nameplate
split system.... similiar to a mini-split.... had a compact evap/fan section hanging from the...
Picturing the scene from Poltergeist where the community was built over a cemetery and coffins came poppin up out of the ground.
when they're driving off.... you gotta yell along with them......
Had to do some refreshing on the subject myself
The dwyer gauge I used with my pitot tube had a FPM scale on it to do the conversion automatically
I would traverse the duct and average all my FPM...
Just so I wouldn't drive myself nuts with this....
I looked up the manual for the panasonic in the guard shack I talked about
its the one with the HUGE temp swing I mentioned....
here's how the...
Not that anyone is actually interested in this story...
but I'm venting none the less
and this looks like a good spot to put it hehe
Talk about mini splits, and end up at one of...
As mentioned before....
the translation from Korean to English is horrid
I've pulled my hair out many times trying to figure out what they are trying to say
Customers have a hard time with the...
white and brown w/ white stripe are one and the same
ohm them out and you'll see they ohm out zero ohms
putting a wire nut on the brown w/ white stripe and not connecting it to an
I don't set up a lock out temp.
We install mostly TCONT402 stats
really nice with dual fuel
without the lockout enabled.... it calculates how long the the system has ran and decides what it needs...
Voltage applied to contactor coil usually equates to contactor pulling in right?
Think a little further in depth and we really need electrical current moving into the coil to produce a magnetic...
Was just doing random searches to help out and run across this
hope it helps
I see lots of offices suffer from stratification
Supply and Return in ceiling
Since return is not near floor, it can't draw in cooler air laying on the floor
the supply grilles are all 'identical'...
Google search "Terminal Velocity Hart and Cooley"
Read the first PDF "Throw, Blow, Flow, Oh No!"
See if that gets you headed in the right direction
Where does the high voltage reading come from?
Wormy's simplified version
When you pass a magnet (or more precisely the lines of the magnetic field) near a conductor, an electrical current is...
along the same lines as the compressor protection mentioned before......
this video mentions larger sized compressors
I believe the technology has finally migrated to their smaller compressors...
Had a customer with no heat
When I walked in the house, I smelled burnt paper and saw the ceiling kinda blackened.
Asked about it, and the lady said...
We were cold... my husband decided to...
I'll take a stab at another way to look at it.
Grant it... it may not be the right answer
I'm just trying to wrap my head around it as well.
High outdoor temp = high compressor amperage
I bought a Bryant Evolution gas pack from our distributor for a killer discount.
Another dealer had ordered the equipment and it sat in their lot...
possible high pressure safety switch opening trying to protect the equipment from high refrigerant pressures.
110 outdoor temp AND 87 degree indoor temp will cause the refrigerant pressures to...
Reminds me of the time.....
get late call
My A/C is out and I have a bunch of kids
I arrive to an extremely hot mobile home with a
I pull in and tell the guy we...