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Type: Posts; User: shogun8

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by shogun8
Replies
3
Views
1,711

Modulation is the process of varying one or more...

Modulation is the process of varying one or more properties of a high-frequency periodic waveform or like when a thermostat sends a signel to a controller to make a change in a supply fan speed or a...

by shogun8
Replies
12
Views
3,017

If you have unloaders they may be loaded up on the 3rd try and hanging up

by shogun8
Replies
87
Views
5,993

I agree with CFC and remove about 20% on one unit...

I agree with CFC and remove about 20% on one unit and concentrate on working on it and see what you come up with. Another situation, at 120# your SST was about 34 *F so I suspect that you may have to...

by shogun8
Replies
10
Views
1,076

I like Ajax

by shogun8
Replies
14
Views
2,682

6. Thread: Average KW/hr calculation on Trane Voyager 25 Tons

by shogun8
Replies
14
Views
2,682

Average KW/H of 25 ton Air Conditioning with R22...

Average KW/H of 25 ton Air Conditioning with R22
Heat load BTU/H KW/H EER SCT
1. 272,000 27.18 10 130
2.242,000 23,80 10.16 129
3.212,000 20.44 10.48 128
4.182,000 17.20 10.64 127...
7. Thread: Average KW/hr calculation on Trane Voyager 25 Tons

by shogun8
Replies
14
Views
2,682

T0 find the average I would have to take a series...

T0 find the average I would have to take a series of loads lets say 10 and find an average and thats a lot of work but if I have the time I will see if I can do that any way i find this problem...
8. Thread: Average KW/hr calculation on Trane Voyager 25 Tons

by shogun8
Replies
14
Views
2,682

I am able to plot the KW/h with changing the load...

I am able to plot the KW/h with changing the load as I show below
I can tell you with 272,000BTU/h with R-22 the KW/h = 27.2 with 131*F SCT and 42*F SST, EER = 10
At 195,000 Btu/h, with R-22...
9. Thread: Average KW/hr calculation on Trane Voyager 25 Tons

by shogun8
Replies
14
Views
2,682

If we do it this way I get this The gross btu =...

If we do it this way I get this
The gross btu = 300,000 btu/h and the net = 272,000 btu/h which is ~91% efficiency now if we find the btu/h we devide by 272,000 by 24Hours I get 11,333 btu/h and if...
10. Thread: Average KW/hr calculation on Trane Voyager 25 Tons

by shogun8
Replies
14
Views
2,682

I worked this out EER = energy efficient ratio...

I worked this out
EER = energy efficient ratio (Btu/Wh) there-for 10 EER = to 12/10 =1.2 btu/wh times 1000 W or 1 KW =1,200 BTU/H and for IEER=12/10.4=1.15 W/H x 1kw=1150 btu/h so lets split it to...
11. Thread: Wife has symptoms after Heat Pump install

by shogun8
Replies
11
Views
2,749

by shogun8
Replies
27
Views
3,910

Take a look at this solution...

Take a look at this solution
http://www.aeegeorgia.org/images/061030-Introduction%20of%20Bi-Polar%20Ionization.pdf
13. Thread: Wife has symptoms after Heat Pump install

by shogun8
Replies
11
Views
2,749

Trouble breathing accompanied by severe headache...

Trouble breathing accompanied by severe headache or headache on one particular side of the head may be an indication of an allergic condition or sinusitis. This is also one of the primary breathing...
14. Thread: Define "Short Cycling" ??

by shogun8
Replies
9
Views
8,501

A short recurring period of time in which...

A short recurring period of time in which certain events (Air Conditioning) occur and reach completion or repeat themselves in a regular sequence . In refrigeration/air condition anything less then...
15. Thread: Leftist propoganda on this site

by shogun8
Replies
191
Views
6,709

An ex-brother in law once ranted to me for an...

An ex-brother in law once ranted to me for an hour about why the labyrinthine Electoral College system was “totally screwed up to hell.” I’m not saying he’s right or wrong, but if he was right…he had...
16. Thread: 19XL High Discharge Temp intermittent alarm at compressor start

by shogun8
Replies
4
Views
816

Condenser approach should be 0-3 *F Check for...

Condenser approach should be 0-3 *F Check for some tube fouling
or low flo
17. Thread: Need help sizing ducts

by shogun8
Replies
23
Views
1,626

Because I want to

Because I want to
18. Thread: Need help sizing ducts

by shogun8
Replies
23
Views
1,626

Duct sizing

For a 4 ton at 1600 CFM Supply = 18" and Return = 21" round per 100 ft at a friction rate of 0.1 wc with (2) 14" x 20" returns each at 800 CFM and 460 FPM

by shogun8
Replies
29
Views
1,782

It's a sad thing to say but i believe your first and primary concern should be whats best for you always. When I was young i used to think that i owed a company I worked for my loyalty until I got...

by shogun8
Replies
4
Views
490

Suction line needs to be 1-1/8" and liquid line...

Suction line needs to be 1-1/8" and liquid line needs to be 1/2" at that distance
21. Thread: "Been runnin like that for years."

by shogun8
Replies
16
Views
3,573

Boy am I impressed!! I wonder what math formula ...

Boy am I impressed!! I wonder what math formula "Bubba Joe" and "Billy Jack" used the figure how many crimps to make to get the right mass flow,,, Ya think it was trial and error????
22. Thread: mystery item on RTU. Have y'all seen this?

by shogun8
Replies
46
Views
4,905

OK Lets vote which explanation is most...

OK Lets vote which explanation is most likely!!!!!!!!!!
23. Thread: mystery item on RTU. Have y'all seen this?

by shogun8
Replies
46
Views
4,905

That's the econimizer control sensor. Its...

That's the econimizer control sensor. Its operation is based on weather it's cloudy or sunny. if its cloudy then you get econimizer full on and if its sunny the econimizer is off and if its partly...
24. Thread: Serious Problem Need Help!

by shogun8
Replies
37
Views
2,329

Be your own man whatever the consequences, just...

Be your own man whatever the consequences, just be a decent human being and help others when you can!

by shogun8
Replies
61
Views
4,282

I was working at a large company in the...

I was working at a large company in the facilities dept. as an hvacr mechanic while going to Cal State Long Beach when i decided to go back to work in the U.A. Union. I had been working about 2 years...

by shogun8
Replies
25
Views
1,995

Around 37 F many heat pumps reach what is called...

Around 37 F many heat pumps reach what is called the balance point. At or near this temperature the heat pump needs to run constantly to produce enough heat to maintain a comfortable indoor...
27. Thread: Low low pressure and high high pressure what the??

by shogun8
Replies
9
Views
3,460

In the cooling mode, a malfunctioning check valve...

In the cooling mode, a malfunctioning check valve at the outdoor coil can result in
2. low back pressure
3. hi superheat at the indoor coil
4. reduced refrigeration effect...
28. Thread: Is He a legit Prez?

by shogun8
Replies
48
Views
1,712

Probably because it's a non issue :eek:

Probably because it's a non issue :eek:
29. Thread: can someone explain to me prevailing wages

by shogun8
Replies
6
Views
1,297

by shogun8
Replies
12
Views
615

That's why we have cell phones you know...to keep...

That's why we have cell phones you know...to keep in touch!
31. Thread: What type of Rigid Insulation to use?

by shogun8
Replies
3
Views
589

The most common way to insulate a basement is by...

The most common way to insulate a basement is by building a framed wall, filling it with fiberglass batts, and covering it with drywall. This unfortunately creates a cavity that is difficult to air...
32. Thread: Checking valves on small hermetic compressors

by shogun8
Replies
26
Views
3,088

A system that has bad valves will have both a...

A system that has bad valves will have both a high (suction) pressure along with a low condensing (head) pressure. No other situation will give a system both low head and high suction at the same...

by shogun8
Replies
10
Views
783

Try weatherstripping the basement door first it's...

Try weatherstripping the basement door first it's simple enough to do!
34. Thread: Electric Bill shock, researching Honeywell thermostats

by shogun8
Replies
43
Views
2,920

Keep the stat no higher then 68 *F or lower at...

Keep the stat no higher then 68 *F or lower at bed time and no higher then 70*F during the day, ck all the weather stripping for infiltration and hopefully you have proper insulation in the house for...
35. Thread: Two HVAC companies unable to diagnose... Twinning error

by shogun8
Replies
64
Views
6,437

Closing vents could be the problem why your not...

Closing vents could be the problem why your not passing enough air across the heat x changer open them and see what happens you may be restricting too much air flow
36. Thread: Help don't think my Heat Pump is working right, any and all informaiton is apprecited

by shogun8
Replies
6
Views
1,383

On my HP I get 103*F out of my diffusers with...

On my HP I get 103*F out of my diffusers with 72*F return andf OSA at 36*F. I have no electric heat strips and Heat strips should not come on as long as room temperature can be maintained about 70*F...
37. Thread: Two HVAC companies unable to diagnose... Twinning error

by shogun8
Replies
64
Views
6,437

:D If you have an hi eff furnice you should get...

:D
If you have an hi eff furnice you should get the following readings:
Delta 'T" across the heat x changer = 35*F = 65*F
stack temperature = 110*F - 120*F if higher look for a low air flow...
38. Thread: Two HVAC companies unable to diagnose... Twinning error

by shogun8
Replies
64
Views
6,437

The hi temperature sensor may be doing it's job...

The hi temperature sensor may be doing it's job because as the temperature in the heat x changer continues to run before the thermostat shuts off the burner the limit opens
This may be a result of...
39. Thread: Return size way off?

by shogun8
Replies
35
Views
2,002

Your return is too small 8" x 24" at 1200 cfm...

Your return is too small 8" x 24" at 1200 cfm return = 900 fpm and it should be only 700 fpm
40. Thread: Bets Anyone - How long until this falls through the roof...

by shogun8
Replies
26
Views
3,477

With my termites, about 4 days

With my termites, about 4 days

by shogun8
Replies
34
Views
2,740

Sub- cooling if any always follows condensing...

Sub- cooling if any always follows condensing temperature so if condensing temperature drops then sub-cooling will follow or said another way. Liquid temperatures will also follow the ambient from...

by shogun8
Replies
5
Views
534

At 180 *F each liner foot of copper fin tube...

At 180 *F each liner foot of copper fin tube baseboard (1/2” and &#190;”) sizes will give off about 600 btu/hr at a 20*F drop so lets say you were sizing baseboard for a room with a heat loss of about...
43. Thread: need to make a quick decision

by shogun8
Replies
12
Views
669

I would go for the lennox

I would go for the lennox

by shogun8
Replies
69
Views
3,772

Christmas is celebrated the world over and people...

Christmas is celebrated the world over and people exchange gifts and wishes too. We present you a list of how to wish to your friends, neighbors, colleagues and loved ones, 'Merry Christmas' or...
45. Thread: How many tries before you got into the union?

by shogun8
Replies
55
Views
6,256

Local # 250

I got in because nobody would work for this service manager and he despretely need help so I got a work permit from the local and was eventually acceped as a journeyman. Boy he was a SOB to work for....
46. Thread: question on heat pumps

by shogun8
Replies
5
Views
770

In some cases, selecting emergency heat also...

In some cases, selecting emergency heat also powers an emergency heat relay. This relay’s contacts electrically bypass any outdoor thermostats used to stage the electric heat elements. This provides...
47. Thread: Air return grille makes loud noise

by shogun8
Replies
30
Views
11,528

If your moving about 2000 cfm then the return air opening is too small and the FPM = 750 and it should be about 500 FPM so I would recommend a minnimum of 20" x 25" opening
48. Thread: Air return grille makes loud noise

by shogun8
Replies
30
Views
11,528

Return air should be about 600/700 fet/min and...

Return air should be about 600/700 fet/min and face velocity on return grills should be around 500 FPM.

by shogun8
Replies
8
Views
692

Different refrigerants

The compressor has a rated volume capacity and is capable of producing 3 HP with R404A but if using R134a needs only 1.5 HP or less btu/hr = less HP
50. Thread: Take heart, the end is in sight

by shogun8
Replies
4
Views
520

Ah yes, eat your hearts out, but it's only fair...

Ah yes, eat your hearts out, but it's only fair now we can spreas your wealth
among the employees.:)
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