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Type: Posts; User: gregscott

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1. ## Thread: Laws of Thermodynamics?

by gregscott
Replies
29
Views
2,875

### Can you give me an example of one of these...

Can you give me an example of one of these conversions?
2. ## Thread: Laws of Thermodynamics?

by gregscott
Replies
29
Views
2,875

### Best answer. Thank you. So, can you think of...

Best answer. Thank you. So, can you think of anything that does not require the transfer of heat? I cannot, I suspect that the reference in post #7 to conversion of one form of energy to another...
3. ## Thread: Problem Holdinging set temp. In a customer home???

by gregscott
Replies
14
Views
1,176

### how large is the transition problem? Could loose...

how large is the transition problem? Could loose a little there, but could the system be undersized? If it is sized for 95 degrees, and it is 100 outside, maybe she is doing all she was designed...
4. ## Thread: Laws of Thermodynamics?

by gregscott
Replies
29
Views
2,875

### It is a law of "THERMO" dynamics. Can you think...

It is a law of "THERMO" dynamics. Can you think of a form of energy that does not involve heat? I was under the impression that every thing in the universe happens because of heat flowing from a...
5. ## Thread: Laws of Thermodynamics?

by gregscott
Replies
29
Views
2,875

### If heat is a form of energy, then wouldn't the...

If heat is a form of energy, then wouldn't the statement hold true?
6. ## Thread: Laws of Thermodynamics?

by gregscott
Replies
29
Views
2,875

### Laws of Thermodynamics?

One law of thermodynamics is "heat cannot be created or destroyed", I think this means we just move it around.

How does fire work according to this principle?

How does resistance heating work...

by gregscott
Replies
10
Views
1,295

### Duct Sizing---Again

Is the return duct grill sizing larger than the opening in the bottom of the air handler?

I am looking at my 4 ton upflow air handler. The return grill is two 12x18 registers cut through the...
8. ## Thread: Abiotic oil a renewable source of energy?

by gregscott
Replies
107
Views
5,385

### I remember BP poked a hole in the Gulf of Mexico...

I remember BP poked a hole in the Gulf of Mexico the other day and the oil was coming out like lava.

I saw a documentary on oil, and when they hit the oil, it was coming out like lava.

What I...

by gregscott
Replies
9
Views
765

### I am not familiar with the type of metering...

I am not familiar with the type of metering device on this machine. I forgot to add that this is a heat pump.

Metering device: 3/8' liquid line comes into cabinet and transitions to 1/2" with...

by gregscott
Replies
9
Views
765

### Oversized Evaporator?

Working on a 1980's model GE air handler with a 3ton Lennox consensor. On charging, chart calls for 80psi low side at 95F outdoor air. Did not matter how much refrigerant (r-22) I added, low side...

by gregscott
Replies
3
Views
629

### Defrost Timer?

I have some general questions about the defrost timer.

1. I thought (gets me in trouble alot) that the defrost cycle could be initiated by jumping the defrost pins on the defrost timer board. ...
12. ## Thread: Crank Case Heater

by gregscott
Replies
15
Views
1,196

### Off Cycle

Good information, thank you. I believe the Rheem unit I worked on had a port on the defrost timer for the CCH. I will assume, unless I am advised otherwise, that the board will energize the CCH in...
13. ## Thread: Crank Case Heater

by gregscott
Replies
15
Views
1,196

### Assisted, could you explain why it is so...

Assisted, could you explain why it is so important?
14. ## Thread: Crank Case Heater

by gregscott
Replies
15
Views
1,196

### Thanks Cooked. I saw you were an engineer, you...

Thanks Cooked. I saw you were an engineer, you have probably done a little snooping yourself. I am not an engineer, but always drive repairmen crazy standing over them; combination of curious and...
15. ## Thread: Crank Case Heater

by gregscott
Replies
15
Views
1,196

### Yes, especially in Amarillo

That was my understanding. The reason I ask, was that I put a scroll compressor on a Rheem heat pump and recommended a CCH to the customer. He had just paid for a new Carrier from a larger local...
16. ## Thread: Prophetic words from Robert Welch 1958

by gregscott
Replies
18
Views
765

### Solution?

Am I breaking any rules if I say "Support Ron Paul".

I think there is a spiritual element to people's blindness.

Thessalonians II 2:11-12. "And for this cause God shall send them strong...
17. ## Thread: Crank Case Heater

by gregscott
Replies
15
Views
1,196

### Crank Case Heater

Is it necessary or beneficial for a heat pump with a scroll compressor to have a CCH?
18. ## Thread: mr slim 3 months old and a question about heating

by gregscott
Replies
5
Views
398

### I am not familiar with the Mr. Slim, I was giving...

I am not familiar with the Mr. Slim, I was giving some general advice. You could call your factory rep or contractor for specific advice on that unit, or someone on this site that is more familiar...
19. ## Thread: mr slim 3 months old and a question about heating

by gregscott
Replies
5
Views
398

### Heat Pump

It is normal for your heat pump to create less heat as the outdoor temperature declines. The heat pump is taking heat from outdoors and bringing it into your home. As the outdoor temperature falls,...

by gregscott
Replies
5
Views
477

### Apologies for the confusion. The machine I was...

Apologies for the confusion. The machine I was referring to is two high pressure residential 3-4 ton, R-22 units twinned together.

It was the thermostat causing the delay. I am new to the...

by gregscott
Replies
5
Views
550

### Good advice; I will check the ground and neutral...

Good advice; I will check the ground and neutral with my meter.

by gregscott
Replies
5
Views
550

### York GZFD

Worked on a York with a bad transformer. Installed the new transformer and a fuse-able link on the low voltage side just in case of problems. Board flashes a code for "115 vac power lines crossed";...

by gregscott
Replies
5
Views
467

Thank you all for your input. I think your are both correct that the thermostat is what sets the delay; I will find out tomorrow. Thanks again for your great forum and, I look forward to my next...

by gregscott
Replies
5
Views
477

### Cooling Cycle

I need to know what makes the fan blower continue to run for 60-70 sec after the compressor has turned off? This system is 30 yrs old and does not use a circuit boar. Is that the thermostat?

by gregscott
Replies
5
Views
467

### Thermostat is set correctly. I was under the...

Thermostat is set correctly. I was under the impression that the fan will continue to run for about 75 seconds after the compressor has stopped to utilize the remaining coolness of the evaporator. ...
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4/23/2014

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