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Venstar has very good residential and commercial color touch thermostats with WiFi. www.venstar.com or www.us-ac.com. I have a residential model on my wall.

For the record, a PEFY-P36 is a City Multi 3ton ducted air handler. Not a mini split, which usually is synonymous with ductless one on one systems.

York uses Microchannel coils as well. They do not change the laws of physics.

Under the Checking Subcooling heading there aren't any temperatures. Everything under that heading looks good. Item 5 simply got misprinted, apparently nobody proofread.
A heavy load will increase...

It sounds like they gave you the right material and installed it wrong. What counts is the installed thickness!

My knowlege of Conrols is limited but I may be able to help. York's internal language is modbus. There is free software for connecting through the RS485 connections using a converter to RS232. The...

In our experience other manufacturers software has not been an issue. We have some carrier software without any conflict.

You asked where to buy Mitsubishi. USACD can supply all of their products, has sales staff to help with decisions and do factory start ups for the City Multi systems. If you are in so cal you should...

I also had a time getting the Maintenence tool software to run, it never got past the initial blue screen. My IT department could not solve the issue either. I saved all important information that...

cmon guyssss there might be som asbestos we can blow into his family as well.....

To whom it may concern. Know this, the second letter in a Luxair model number is a generation and is to be ignored when searching for literature. When looking for DGCU literature, look for DCU or...

Nice.........very nice...........lol LOL

Wow what a poor job they are doing!
1. As said already that tape will not do the job. You are already finding it has lost adhesion and is leaking air! 2. The plenum needs to be as large as the coil...

I suppose you should be congratulated for looking for the least restrictive air filter.
I doubt anybody here has that information nor will they do that research for you.

Then a standard fiberglass air filter will do the job. I believe they are around 20%.
You will find a Merv chart attached.

All the system needs is a standard efficiency filter. If for some reason you know your system can handle less air flow and want to install an air flow restrictor (pleated filter) you should be asking...

So true, the best fix is not always the only solution. As much as we would like to make flat take it or leave it statements, every job is a custom job. Owners need options with costs so they can make...

The problem with operating heat pumps in heating mode during mild weather conditions is that the outdoor coil is able to absorb a larger quantity of heat than the indoor coil is able to reject. That...

I would like to know how this works as well. I have an aluminum tank and regulator given to me by their representative, but I don't work in the field anymore. It looks like a good idea if it works....

I am looking at a job with 20 outdoor units. I haven't counted the indoor. I sure wish this contractor paid as much attention to detail as you do.

How could he record 2 hrs of run-time data for...

The R2 series is especially cool. John do you go for the extended warranty? I am doing "factory" start-ups but so far none of the customers have asked for the extended warranty.

Did you use a flaring tool made for R410A? The shoulders are wider and seal better.

York factory just now told me they build the Xenon under national accounts. His information was sketchy since national accounts was not available. He did say if they built it they will warranty it....

Do they include a control module?

True, it's possible that the closer we get to those dates, the more R410A that is being used, the reduced quantity of R22 used will drive prices up due to smaller production quantities.