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Thanks for the reply. I wonder when the upright mounting became required?I've been in this trade for more years than I care to divulge and this is the first I've heard of this.

I still learn...

Got a call from a tech that I know and trust. He tells me that he has a start capacitor that is "leaking" a white powdery subsatnce. He claims this is because the start cap is mounted on its side.
...

I have been receiving several (40+/-) reports of a white, flakey deposit that forms and blocks the hose connection at the IDM blower housing.

These are Rheem/Ruud units, 90+ direct vent...

Sammyray...

I think if I came across a 2 year old heat excahnger in that condition I would be checking a few things. Temp rise too low, return air too cold, or VOCs in the air.

I wouldn't be...

It seems to me that I read somewhere this story. As soon as the load was removed from the top lift's forks, the top lift flipped backward due to the counter weight.

I beleive the man on the orange...

I would think one should avoid the defrost cycle because it is a large energy user.

hat is probably why the contractor used 40dF. Of course defrost frequency is determine by many factors....

I've had a HW touch screen on my home for maybe a year or year and a half. The latest and greatest is their YTH8321.

It not only does temperature and humidity control, it also comes with a 6"...

1. Your unit should have a heat pump system in the cabinet. It will pump heat to and from the earth via the well water. The heat pump should keep your house warm most of the time. The electric heat...

I would suggest the Honeywell TH8220 as the minimum. The YTH9000 series IS the premium with humidity control and many other options plus a damper kit for outdoor air.

Both are touch screen 'stats...

I think we called those a "boil". Had one when I was in grade school. I don't remember going to the doctor but I do remember the degree of pain and soaking it wiht a hot compress.

Now that I am...

Right up front- I am prejudiced. Modulating a furnace is a comfort issue. I challenge anyone to be able to discern the difference in comfort level between 1% and 5% modulation.

As far as...

Sounds good to me. In any case check for two speeds trying to run at the same time,

It sounds like you are energizing more than one blower speed at the same time. Better check the wiring and/or board.

The tranformer does not supply power for the blower. The over voltage probably...

Why do some manufacturers use HSI while others use DSI?

I should think the DSI would be less troublesome than HSI.

I just can't think of an advantage of HSI unless it is cost.

Thanks...

You might want to see if the air handlers or matched to the heat pumps. You didn't indicate the heat pumps were changed.

Sometimes scrolls get noisy when the system is over charged.

Might want...

Better get it tested ;-)

Sorry about all the typos. I was trying to multitask and there is the proof I am not a multitask person. I was taking a tech support call and have to say I didn't do either task very well.

Anyway,...

I occasionally drive through large cities and it always seems to be at rush hour. As you may know, changing lanes can get to be pretty exciting.

An automotive talk show offered somewhat of a...

I'm confused with your post. If your logs are in a fireplace one would think the combustion products would go up the chimney.

Do you have the flue damper closed?

Actually, according to the spec sheet the input is rated at 100 MBTUH and the output is listed at 81 MBTUH.

The AFUE is 76.2%.

I agree with the suggestion about the buy out. Ruud has just...

I did hear they had a hard time communicating with one another. ;-)

I believe this is a 78% horizontal made from '87 to early 90s. The Ultra-vent was just being introduced about the time I left the residential sector. I am not familiar with the particulars of the...

70,000 BTUH- built 48th week 1992

I appreciate your input. Chiller Mekanik, when you talk about "hand gauges" are you referring to an individual gauge and schrader adaptor, one for high side and one for the low side sans the manifold...

I have researched HRV/ERV installations and have arrived at the following conclusions;

There should be a seperate duct system for two reasons. The first is the fact that the A/C duct is designed...

May be TXV/check valve. Ask your contactor to verify. Have you had a chance to determine if the unit does this between heating cycles of the heat pump?

Best regards...

With all due respect to you and Mr. Slauter, your examples surely would call for gauges. But, your examples are for systems that are not operating.

I am refering to running systems that are to be...

Spring PM- do all usual checks and cleaning, however, check the delta T wetbulb. Use the formula Btuh=4.5 x cfm x (h1-h2) where h=enthalpy. Determine cfm by one of several means.

Cfm can be...

No prank here, just a simple request for opinions. Thanks for your input.

The motivation for the post is the large number of techs that seem to not understand that each time a set of gauges is put...

Just out of curiosity, what is your opinion of putting gauges on a residential system as a standard part of a spring general service for cooling or a fall service for a heat pump?

Would you feel...

Many years ago I worked with another tech as a fledgling business partnership. One Friday afternoon both of us went on a "no cool" call at a fairly large office.

My buddy loved to flirt. I have no...

I smoked probably from age 12 to 41. During that time I tried to quit cigs several times. Now that I look back, I must not have had the right motivation. I guess the previous attempts to quit were...

I certainly appreciate all the responses. Please keep them coming.

Best regards...

If I may elaborate on the statement made by 7th son, in some instances what was sold as 18/4, etc. was actually 20 ga. Sometimes, it may even be less.

Don't you just love it. Better know your...

OOOPs... Sorry, didn't catch the "run capacitor" statement.

Is it a variable speed motor?

New unit.

I get a call from a contractor:

Supposedly this was a DOA (scroll stuck-locked rotor). Then the replacement compressor did the same thing (what are the odds?).

Now, to top this,...

I've been reviewing some of the most common and uncommon causes for this failure.

Any thoughts or experiences?


Best regards...

For the record-

Modulating a furnace is primarily for precise comfort control. Any increase in efficiency is minute.

In response to bulldogr's question, yes, Ruud has offered a two stage 80+%...

The new mod 'stat is based on the White-Rogers touch screen. These are the latest and greatest modulating 'stats.

They are due out around August or September. Knowing what I know, I would wait for...

I have to differ with some statements regarding the RBHK features. There is a terminal on the unit labeled ODD (Y2). This stands for On Demand Dehumidification.

A HUMIDISTAT (either stand alone or...

google Rheem.

Thanks for the info. The rumbling I am experiencing is only during the extreme rocking at start. I have pulled the blower and ran it on the bench. It acts the same in or out.

We have hundreds of...

Has anyone had any experience with an ECM blower motor that rocks more than normal and rumbles on start? The motor will run OK but has this starting problem.

Here is the kicker, the motor, module,...

1. Yes- water to water

2. Probably -for auxilary heat

3. Most any brand-Florida Heat Pump, Water Furnace are a few

4. Don't know??? but be sure to get contractor qualifications

Good...

You are right. That is one of the best features of Ruud/Rheem units.

Best regards....

Tried to play one. Finally got frustrated and gave it up. Only took 30 years.

Seriously, for some reason I don't have the time to set around and play. But, I did have fun and even made some money....

You may want to google "Ruud". One of the most reliable furnaces on the market.

Best regards

Doglips,

Step away from the 410....

I also do tech support. I've got to ask if the tech complained about getting bad boards right out of the box. I hear that ocassionally.

Best regards...