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Jim is correct. I've known Jim and attended his classes many times over the years. I've also attended many classes by other NCI instructors because my company does a couple or more in house classes...

Yes. Verified with amp clamp.

Bobby


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Yes. I think I figured it out. At least I got it working the way I wanted. The resistor made the strips recognizable to the controls. I then noticed the rectifiers were all labeled the same, so I...

We've had great success with a properly placed UV light and using the circulate feature on the stat.

Bobby

I have installed a Carrier 25VNA with a FE4ANB006 in my home and zoned it. Everything is working fine except the staging of the heat strips. Since I have three phase power, I opted to use a 15kw 3...

Having already made your mind up that no duct work is going to be changed could be a problem. A properly trained contractor can measure static pressures and know whether duct work is required or...

Small zones can be a problem, but someone familiar with the ins and outs of zoning should be able to come up with a workable solution. Are you seeing any fault codes? I know there's a quirk in the...

Is it really mold? As Marc said, I have no problem cleaning in place and adding either a UV light or a plasma device to clean up the rest in the ducts and the home. Have duct leaks, filters and...

The pressure of the house is going to determine how much it helps along with how much duct leakage. If under negative pressure, might go more negative with the blower running and pull in dust...

It all depends on the customer. I have some that don't want the gas to fire at all and some who want the gas to fire as much as possible. In your case, if you aren't comfortable, then increase the...

We have three techs on call from Monday to Sunday each week with a back up rotation. With the number of techs we have, our name doesn't come up for 10 weeks, but when it does come up, we are either...

In the past, I've cut the large part, removed the screen and after making sure the cap tubes were open just used a coupling to put it back together with a drier installed somewhere in the line. ...

Depends on what you consider major, but you should be able to look at the product data for the brand you are considering and then look at different soil types to answer your question.

Bobby

Where are you located? Sounds like possibly there's air in the loop or the loop is undersized for your load, or possibly a pump has lost some capacity. It's possible there could be buildup, but...

Over the years I've purchased varied tools from Harbor Freight with no problems that I can think of. I won't buy hammers and/or chisels and stuff like that there, but the wrenches, sockets and other...

Sounds like it might be worth your while, if for no other reason than peace of mind, to have another contractor take a look at it, if you feel your present contractor has exhausted all his resources.

Tough one because I've seen so many units need a pound or so and never have another problem, so I like to see Freon added twice before going all out leak search, but it's the customer's decision. I...

I love my Digicools. Not sure how long I've had them, but they've been upgraded at least once and have never given me a problem of any kind. I had them long before digital manifolds were really...

Used them a few times over the years with no problems that I know of. I keep some of them on the truck for those times when nothing else will work.

An update on this system. We did remove the bypass damper, set up the zone controls, add another media filter to the other side of the furnace with additional return and replace the indoor coil. ...

Just as an update I did take a look at this job this morning. The system is short on supply and return with a TESP of 1.02" wc in low heat and 1.13" wc in high heat. The return static in low was...

Combustion readings would help shed some light, but I'm thinking there's something going on with the venting.

Yeah, what he said. Is the pressure actually changing to the switch? Vent problem? Leaking vacuum hose? Inducer dragging? Any number of things could cause this. I've even see these things act...

Haven't read all the replies, but I agree, 40 minutes and calling other techs to figure out you have no power at all to the home?? Come on now, that's a bit extreme...;-). I've had more than one...

I'd check airflow also. Too much or too little will cause high flue temps. Over fired is also another good possibility.

Bobby

I used to service a building that had 56 geo units on one loop. From time to time we did have to isolate one unit and clean the water coil, so in your case, yes, it is very possible fouling of the...

You are both right. You shouldn't use your torches to remove a drier because the heat does indeed bake the moisture out of it and back in to the system. I've heard of techs being injured and fires...

Problem solved. One of our commercial estimators remembered seeing some on a building where someone had stolen the coils already. The building owner gave us permission to get a couple of them.
...

Hello,
Found out today that we have a motor in a TWA072 overheating and it is possibly because the tech who changed the motor about a month ago didn't put the heat sink back on the motor. Our...

Hello,
I'll admit that I am not familiar enough with Tracker to really know the correct question to ask, but I have a problem with one. The RTU sensors, room temp and everything have lost...

Thanks. I did get the email and forwarded it to my tech out in the field, but I didn't respond to say thanks. My bad.

Bobby

Hello all,
Does anyone have a fan chart for a TCH300B400HB?

thanks,
Bobby

I have used both the RGF and the GPS products and can say first hand that both work. I had two RGF cells in my home and did notice that the kids didn't have as many doctor visits and didn't pass...

Got it. Thanks for the super fast response.

Bobby

Need to know the weight of a Heil PHD324000K000C1 packaged unit.

thanks,

Bobby

I was taught that moisture can enter a system even with pressure on the system because moisture always runs from wet to dry. I think the term was vapor pressure can push moisture into a system...

Well, obviously this system isn't operating at 100% capacity because of the issues that have already been pointed out, but it may not have a serious problem either. There are so many things that can...

Get your post count up and apply for pro membership, if you are in the industry and you'll get more discussion in the pro forums. On this one, we need more info. Where are you taking the temps? ...

Used it a couple times and I have a couple techs that use it regularly. It's a okay app for basic superheat and subcool measurements. Entering the return wetbulb and drybulb and supply drybulb, it...

I haven't played in a while, but I have a few Fender electrics, a Alvarez acoustic electric and a couple nice amps, one Fender and one Crate.

The installer is the most important part of the equation that will determine how good your system performs and how long it will last. I'm not familiar with GeoComfort, but based on the info you have...

A Geo can be justified with the higher SEER ratings, the 30% federal tax credit, and possibly a state tax credit. The disruption to your landscape can be minimal with horizontal or veritical...

But why would you even attempt to do it on a new system and possibly burn up a control that your contractor probably won't warranty since you did it? I'd call and question why I didn't have a new...

No, this is a thread where someone came in and asked a question, was told his question wasn't allowed and copped an attitude. He got exactly what he gave. If he is truly a GC, then why not just...

I am familiar with the problem that Kevin mentions with the Copeland compressors. We had to change out 6 or 7 outdoor units last winter because of it, but I thought it only affected the 2 step...

I have one at home and there is one at the office. We've been able to find a flavor to satisfy everyone. You can also get a re-useable Kcup at Walmart and put any kind of coffee you want in it. It...

We're trying to hire, but are 0 for 5 this past week on drug tests.

I've had my Veto at least 3 years now and it is like new. I've never used a bag that held up like this one at any price. I was in a Home Depot in Jacksonville last week and held the Husky bag you...

My vote is for the Appion also. I've got a couple of them that I have had for some time and have had no problems at all with them.

Our local distributor allowed us to use one for 60 days to try it out. I found that as Jim said, the key is the hoses and the removal of the cores. We were already using 1/2 and 3/8 inch hoses, so...