Another Phase Rotation Story.... got a call from a grocery store that several of their compressors had stopped cooling properly.... got there and 4 out of 10 compressors had gone out on low oil...
Type: Posts; User: genman
Another Phase Rotation Story.... got a call from a grocery store that several of their compressors had stopped cooling properly.... got there and 4 out of 10 compressors had gone out on low oil...
Phase Rotation Story.... got a call that a small water utility stopped pumping... all pumps were running.... as I was driving out I notice utility was doing some work out by the highway.... walked in...
The guy looks like the protologist who overhauled his 350 chevy engine through the exhaust pipe.... :eek2:
Just put my grandson through Lindsey Cooper Refrigeration school in Irving Texas - he graduated today with Universal 608 cert and some know how.... $1950.00 .... two weeks 10 hours a day. I went to...
"But when I turned them on together, there was a small flash of fire and then nothing."
I have had that same experience.... sometimes its just some smoke and no fire at alll..... but either way it...
My grand kid is down the street in HVAC-R school right this minute... Im going to try and find a way to get that picture to them... or have the school access this website.. That is such a good...
It's 1/8 female IPS X 1/4 female flair adapter...
I have used several of the different kinds of shrinkable tubing for wire numbers... Raychem is one of the big ones but its a commercial system that costs thousands... there are several rather...
Same formula = $207.90 per month based on the same assumptions as I listed above...
I was looking for my old Dial-A-Charge the other day to show my grandson (who happens to be going through HVAC-R school as we speak.... It appears that my particular Dial-A-Charge has evolved into...
Two 1/2 hp motors will cost you 33 cents per hour to run both of them at the same time.... so the numbers go like this.... the nec gives amperage at 9.8 amps for a 1/2 hp motor... so it's 9.8 x 120 =...
yes - the two trades complement each other... I have been in both for over 30 years
"I'm having trouble thinking of ways that it's less safe, too. "
I have had the crap knocked out of me when the motor was replaced by a previous contractor without hooking up the ground wire.......
manufactures do that all the time to save money on components - it is electrically correct and in the short term it is fine. However, In my opinion (which when combined with anywhere from 3 to 9...
The gas must be bad here.... had to install a clean out for the drip leg ... LOL
approach the utility about taking payments on extending the gas... which is common... do away with the heat pump and go with forced air gas heat... do away with the electric hot water heat and go...
Reminds me of a cartoon that showed a plumber handing his bill to a doctor... the doctor did a double take and swallowed hard then said "that is more than a doctor makes" the plumber said.... I...
well the pressure moving the cooling medium through the condenser will control how much temp gain there will be to that medium.... if the medium flows too slowly the rise of the temp of the medium...
oh and one other thing..... a few jumper wires with clips...
Heating calls = 10 in 1 screwdriver, small wide mouth crescent wrench, small screw gun, fluke 87, flash light, channel locks, needle nose pliers, all in a very small old military canvas bag.... If I...
According to my figuring based on averaging your two run times your house needs 42210 BTU's at 5 degrees. So 45K would be very very close if it gets much colder there.... but the idea of a...
"target a subdivision" reminded me of a guy who was on a thievery mission in the A/C business one day in Dallas. He was going door to door and knocked on my door carrying a 30 jug of R22 and some...
Well the way I see it - when your employer wants to pay you like that you are basically working in a partner ship... so you have to examine who is bringing what to the party. The boss has the truck,...
I got paid to repo it from the finance company and reinstall by the homeowner...
There are several differences between a regular circuit breaker as installed in a circuit panel and what is referred to as a panel mount breaker. As you will notice the breakers mount with screws on...
Years ago, before credit cards were so popular I had a deal with a finance company. I could provide immediate financing for larger purchases. I got my money from the finance company and the customer...
A close read of Article 440 of the NEC will give you all your answers...
Took the words right out of my fingers....
I agree... get the license as soon as you can while everything is fresh in your mind... you don't have to do anything after you get the license but pay the renewal fee according your states timeline....
Well there are some interesting scams that are being run against folks that could be handled... course everyone knows rule 1.... read the contract.. and I guarantee that it will be written in their...
I think it is the type of felony that should be considered in the hiring process. The Feds have turned so many things into felony offenses that you can get a felony offense for unknowingly...
holly crap.... I just read this entire post... give us a guess on how many times you went up and down the ladder??? I applaud your fortitude... I did have a service call that I just walked away...
Well I started out in HVAC-R about 30 years ago. I went to a high speed low drag tech school and went into business for myself right out of school... Everything I knew came from the tech school and...
If the thing is 14 years old and has no maintenance then by the time you bring it up to speed you would be better of just unplugging it and buying a new one. But in the interest of good business you...
Never overlook a tweaker. An adjustable wrench a small amount of knowledge and a large amount of curiosity (usually a kid) could cause a seriously out of whack TXV in some random fashion like you...
True - but its really hard to get a truly "hot" alignment because as soon as you turn off the machine it starts to cool down. The ultimate way to check the alignment is with vibration. If its up to...
Dowadudda
Bring a ladder if you come - everything is on top... To much snow on the ground..
And dont worry about residential A/C - their aint none...
John
I haven’t run across this problem but just reread this thread and had a brain fart. Now that is a dangerous thing for me because I usually only have them in the shower... But see what you think...
Yes they are animals - dinosaurs mostly - I have sold several jobs to the "corp" I spent 3 months once calibrating some of the most sophisticated equipment there is for monitoring the conditions of...
A few years ago I made a service call to a village deep into the bush in Alaska on a generator owned by the village. I had made arrangements to use the loader and have it operated by the power plant...
Well ts pump/motor alignment is the subject for many books and to get a complete answer you probably should get one - get a simple one that deals with principals and not tools. Every one try’s to...
Looks like Richard has pretty well hit it on the head. A 20% difference is ALOT when looking at the difference in ohms in winding in the same 3 phase motor. Id be pricing compressors - It probably...
Most PLC programs have the ability to "force" and output.
Lift the 4-20 ma input to the system and put a 4-20 ma loop calibrator in and set it to a setting that will allow operaition of the unit. Just fool it with the calibrator.
John
its going to be lots of hot water flushing .... Sugar cant stand hot water...
THis must be a very odd lashup. What is the high leg voltage to another leg. If this is a 480v Y configeration you better be very carefull. Looks like a ground fault on one leg. If you get a high...
When you find crap like this look at the service and see if there are two or three transformers on the pole. Some utilities use a two transformer lashup - it sucks bigtime. What you are looking at...
sounds like there needs to be a small distrubution panel set. HOwever, pulling a 120 circuit off of a 3 phase Bkr is ok if you have a dedicated neurtal and a equipment ground for the 120 ckt and...
Just be in the wrong place at the wrong time and open your mouth. I have learned that here in Alaska you better not say you can fix it unless your ready to go and fix it. And "go" in this state has...
There are all kinds of cost assosiated with equipment, among them is what I call cost of ownership. This system looks like the cost of ownership is going to be kind of high. I have a saying the...