Type: Posts; User: mgenius33
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...and void the UL.
Now, when it burns up you are responsible.
Wish it were the good ol days, where a tech could be a tech...
If you use an aftermarket board, be sure to check reversing valve operation. Rheem & Rudd typically energize in heat rather than cool.
Also, if a load shed is connected, they may be de-energizing...
Sounds to me like they have a load shed control breaking the heat pump.
Pressure switch or draft issue making the pressure switch intermittently drop out is my suspicion as well.
If you're a tech you should know how to test all of the safety controls. If not go over...
We've installed Fujitsu and Mitsubishi.
No problems that I know of.
Both have good tech support, never had a problem getting through, spoke to an American that spoke proper English, and they...
Wow, is all I can say. I've never had a company take care of me like this.
It's refreshing to know there are still companies that really care about their customers.
With a slow season upon us in...
Thank you Travis! You all have been extremely considerate to us consumers.
Again, your customer service goes unmatched.
I'm shipping out to you my SMAN3 ASAP!
I may have too much work to repair now.
1. Cracked plastic housing
2. Leaking gauge micron wires
3. Ovaled pressure sensor barrel (didn't realize you need to leave the packing nut in there when...
Just using my trusty SMAN3 gauges and started hearing a hiss.
Checked all the ports, hoses and valves, but could not locate it.
So, I opened up the plastic housing which has now cracked, and found...
That's a flexible connector, not CSST. It is listed for use outdoors as well as indoors.
Why? One vacuum pump with larger hoses would be faster.
Here's a good video on th subject.
His basis is on a book written in the 50's I...
Doesn't matter, you're only going to move a certain cfm through those hoses.
So, a 6 cfm will not be twice as fast as a 3 cfm.
It might be 5-10% better if that.
Volume of a tube πR² x L
Your inputs are wrong. There's no way you have 45 ft² ceiling.
The inputs are ft² for each type 1 & 2. What you have is the dimensions.
Example: ceiling type 1: 45, type 2: 45
The types are...
Are you starting your own company, or working for the man?
I'm curious as to where you're noting the necessity for using the NEC 250.66 table, as you would use for water piping through 250.104 (A)(1).
Whereas other metal piping including gas piping is in...
Electrical box? Well, only an electrician should go in there. However, since the grounding electrode (for the electric service) is external, and if your jurisdiction allows it, you can bond it there....
According to NFPA 58 grounding of the LP system is not a requirement.
Sec: 188.8.131.52, & A.184.108.40.206
Let me follow that up with, "in my locality". Some other localities may allow HVAC contractor to install the bonding conductor.
Also, I'm not sure where thermofridge is getting the conductor...
This should definitely not be in the open forum.
Also, bonding the gas line is not considered incidental to the mechanical installation, and should be performed by a certified electrician.
Once you learn what your doing you will likely alter the data.
For example, ManJ shows my area at 22° heating temp and 92° cooling.
Hahaha, what a joke. The past couple years we had winter weather...
PNW4ME, as the return payment for helping, we need your follow up on how the job turned out.
Don't leave us all hanging bro...
Just a note:
Most all of the pros here love what they do, it's just...
I have the SMAN3.
When I used them to pull a vacuum, I would swap the suction and center hoses. I did this because the vacuum sensor is in the center port of the manifold set. So if you have the...
Whenever I have knee pain, I grab the compression sleeve. It works wonders, I don't know the details why, but it works for me.
Pain goes away within a day or two, and doesn't come back for months...
With a fried compressor, you should have taken more steps than swapping the outdoor unit, or you'll likely have a short lived new unit.
You should hurry up and get your post count up to 15, then...
You don't need to consider latent heat either, as there is no change of state with the condenser air.
However, the very difficult part is calculating cfm, and true watts to heat.
Whew! That was a good one!
Ark, this is why Trane patented the "spine fin" all aluminum coil.
They can receive PWM and modulate airflow according to demand.
For instance the XV20i can reduce to 25% capacity.
You have to have the proper stat to control the airhandlers though.
Connect the aluminum from the panel to a disconnect's line side.
Connect copper to the load side then into the air handler.
99% of all our retrofitted...
You call it a career!
Great start. You'll quickly notice which coworkers call it a job. They take short cuts and will go nowhere. They may have years of experience without any knowledge.
Yay! More rain!
At the beach here it's been raining for a week. Now we're getting a hurricane to follow it up? ... Yeah, wonderful.
Here I am trying to install new vapor barrier and new ducting in...
First, as other's have stated, get your post count up to 15 and apply for pro section of this site.
Read, read, read....
Take classes when ever they are offered, this is much more important...
I don't see a problem doing work for family. I would go to the supply house and pay cash.
NEVER take any tools, parts, supplies, or use the account from your employer unless he okay's it.
If you plan on going residential, you need to look at all aspects of the job.
What a lot of great techs forget is there's more hats to wear.
I was thinking about going on my own a few years ago,...
Typically the crossover flames will direct themselves into the heat exchanger with the draw of the draft motor.
Other than the obvious, cracked HX, burner misalignment, blocked/restricted flue, bad...
In low ambient conditions, the compressor may very well be colder than the evaporator.
We have florist shops that run AC all year to handle the refrigerator loads. They won't use...
This was a 2 part question. An accumulator doesn't prevent refrigerant from going into a saturated state while off.
Yes, it keeps liquid refrigerant from settling under the oil while off, helping to prevent slugging oil out on start up.
I understand TBs explanation is to help prevent the introduction of liquid...
Hey, I resemble that remark!:couchhide:
That reminds me, I gotta get a manicure this weekend!
Don't sweat the ribbing ARK, we all act like we're smarter than a 5th grader!
Pretty soon this conversation will grab the attention of Dr. Sheldon Cooper.
I've come to realize the salesmen are...
Or, because 3+4+5= 12,
A right triangle with opposite and adjacent sides of 3 & 4 leaves the hypotenuse of 5. Basic carpenter math thanks to Pythagorean.
The law keeps legitimate companies under CONTROL, but does absolutely NOTHING for illegitimate companies.
I've heard it directly from an official, there is no money in the budget to investigate...
Since when did Lennox and Armstrong have anything to do with Trane?
Also, their coils are no where near the same.
Trane makes their own, and I believe Lennox & Armstrong purchase coils from ADP.
I agree, think in terms of P/IE.
Work is in terms of watts with respect to efficiency losses, as energy is always conserved.
If the inductive and capacitive reactance formulas interest you,...
HP(new fan) = HP(old fan) x (RPM new / RPM old)³
but, if you now have the correct HP, you're moving more air flow at a higher static pressure.
CFM new = CFM old x (RPM new / RPM old)
How exactly are you going to run the motor at 75%?
Why not just get an 875 motor?
The 1075 is not rated for the 875 pitch fan blade. You'll likely overload the motor and burn it up.
Most of us can get any brand we want.
With that said, I chose Trane for my own home.
Heck no. Keep resetting it until the terminal head blows out. Then you know it's done. :beat::Faint:
Is the evaporator coil below or above the condenser?
I agree with the crankcase heater.
They keep the liquid refrigerant from settling under the oil in the compressor, and then slugging it out...