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How do you wire it so we don't have to use the PTA card? Is there a diagram?

It would be great to borrow one. I'll see if that is an option.

I'm not entirely a controls technician per say, but I have an old control system I am dealing with PTA cards and PWM. I was told that we could eliminate the PTA card and convert the Belimo actuators...

His subcooling in the article went from 3F to 11.9F, while yours went down 1.3 degrees? Thats where I'm getting my confusion

Pretty good subcooling for a plugged condenser

York, the other 4 letter word that we cannot say

The same could be said with teflon. Its proven to cause numerous cancers but yet we use it in our cookware still. Not trying to turn ARP.

Stop using RoundUp, use vinegar, salt, and dish liquid. Works really well, but may take a couple applications. Sorrr, the hippy side of me came out

I was reading SDS sheets for 410A and R22 and they found in male rats "lifetime inhalation exposure of male rats was associated with a small increase in salivary gland fibrosarcomas." or in other...

Wouldn't that cause high SH? By not pumping in full liquid it would cause partial vapor/liquid thus boiling off too quick and then gaining more SH

Rule number 1 (in my book)- Take what the customer says with a grain of salt.

What does normal to a little high mean? Can we get refrigerant type, temp split, suction pressure, head pressure,...

Phew, I thought I was the only one who couldn't see the pics!

Goodbye refrigerants, this sounds interesting

Model, serial, refrigerant also

I'm hoping that's not a sewer pipe under that fresh air make up

He was pissed? I mean you've been in the trade for a few months, if you did that to me, I'd be pissed I didn't teach you about it. This won't be your last mistake, it happens

From what I understand about this, and from what I've seen on youtube is the steam engine itself is an operating locomotive. The OP just wants to put the firebox in a negative to help achieve a...

Now we are talking. This looks awesome! I saw some people on youtube with steamers like this

I connect through the front end via the wifi/program on my laptop but the issue is there is not a quality wifi signal on the roof for me to stay connected unfortunately.

Ok, I'll take one for the team. What about electric tow motors? :grin2:

Would this allow me to run the graphic at the unit if I connected my laptop so I could test blower, compressor, etc.?

I'm looking for a way to connect to this controller. I have access via WIFI but on the roof wifi is scarce and unreliable at best. My knowledge of controls is minimal, but I'm looking for a way to...

I'm having problems understanding what you're asking. You installed a 2 zone 5 ton HP in the attic? Where are the registers and what floor? How many registers? 2 zone to what? 1 zone per floor? ...

I'm not a fan of LG, with that being said my opinion doesn't matter as I see Mitsubishi mostly. Tech support wasn't helpful in the past? On this particular job or previous jobs? Was the install...

Not to be silly but is it piped correctly? Suction to the suction, liquid to the liquid. What's the indoor temp/temp split of the furnace?

I watched this video a while back. It is so darn cool, I love the future.

Like in supermarkets? I've been asking that same question.

I've seen that all too often

SLCPhilosopher more like it! But I agree 100%

Is that why its so hot in here? I thought it was the boiler room!

Analog gauges for me. But I would like digital gauges for refrigeration equipment only due to the lower pressure, I want more accuracy. I used to use a set of "r22" gauges for that purpoe because...

Now I'm curious

Roger that

I can only see 4 threads in this forum, but the home screen say's there are 2000+ threads available

This thread is 2 years going on 3 years old Mister :grin2:

Must be why you folks are nice to me :LOL:

If I had the position I would ask the techs what the issues are. Meet them in a group and 1 on 1, sometimes techs open up 1 on 1 over a big group and then you also eliminate the "Everyone agrees"...

I would check the ground or better yet, run a ground wire from the flame sensor to the ground strip. Also burner condition can play an issue, rust etc. What's the reading on the flame sensor (if it...

Missing a lot of information here... Lets start small:
Application RTU, WIC, WIF, ETC?
Ambient Temp
Refrigerant Type
Suction Pressure
Head Pressure

I'll see I I can get work to buy it. I'm really surprised there isn't an outrigger that you can put in the rung to just keep it stable. I hate my fear of heights...

Thanks for the suggestions. Work has been very accommodating about this issue with me. We already have a no ladder policy in 25mph+ and they have been sending another tech with me on windy days and...

And I was riding down with it. Little backstory.

I have a natural fear of heights. So I tend to pick areas where it's the lowest spot and try to nestle into a cove or against something sturdy. ...

What’s the static pressure?

I like it outside. That way I know there is one there and I can run my temp checks easily. And it certainly beats the basement, crawl space, attic, having to lug torches and an fire extinguisher up...

We experience compressor failures. But finding out how they are murdered is the mystery. Any more info on how the old ones failed? Compressor start up forms from the new compressors?

One time I was called to an apartment building. We didn’t do residential but this particular person was good friends with the owner and it was more or less a commercial apartment complex. I was...

Walk in cooler or freezer?

My skin is paper thin. Take it easy on me now!

Test pressure decreased? Still have a leak to find... Next step is to find and fix the leak.

CS R/HVAC? What company?