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Type: Posts; User: marylandtech
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04-30-2013, 06:44 PM
Thread: Trane refrigerant piping length
by marylandtech- Replies
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- 250
Thanks for the info! What type of complications...
Thanks for the info! What type of complications could I have??. I was going to seal the pipe to keep water out and oversize the conduit to have additional free space around the piping. Is that enough?
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04-30-2013, 04:22 PM
Thread: Trane refrigerant piping length
by marylandtech- Replies
- 6
- Views
- 250
Trane refrigerant piping length
I have a 5 ton XL 16 I heat pump with a TAM060C Air handler R410a that I will be installing. Where can I find the maximum lineset lengths and correct sizes allowed for this unit. Someone told me...
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04-21-2013, 10:20 PM
Thread: CMS Mechanical Services
by marylandtech- Replies
- 167
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- 19,184
08-10 (I think, it was all a blur lol) Good $$$...
08-10 (I think, it was all a blur lol) Good $$$ though
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04-21-2013, 05:11 PM
Thread: CMS Mechanical Services
by marylandtech- Replies
- 167
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- 19,184
wonder which ones they lost. I still see one of...
wonder which ones they lost. I still see one of the guys from when I worked there, I'll have to ask him. Always seemed to me they were one big contract loss away from disaster all the time. They...
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04-21-2013, 05:05 PM
Thread: Smoker Newbie
by marylandtech- Replies
- 8
- Views
- 594
anybody???
anybody???
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04-20-2013, 09:46 AM
Thread: CMS Mechanical Services
by marylandtech- Replies
- 167
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- 19,184
It was the same in Maryland also (Nextech NE)
It was the same in Maryland also (Nextech NE)
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04-16-2013, 07:17 PM
Thread: Smoker Newbie
by marylandtech- Replies
- 8
- Views
- 594
Smoker Newbie
So Im looking to buy a reasonably priced smoker for ribs and maybe some roasts. Whats the best kind. Gas seems like it would be the easiest to maintain temps with but how is the quality of the food...
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01-15-2013, 07:07 PM
Thread: Need schematic for York unit
by marylandtech- Replies
- 6
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- 404
Thanks for info so far Rundawg. What does York...
Thanks for info so far Rundawg. What does York use the 60 and 66 terminals for on the indoor circuit board that go to the outdoor unit. I think this may be part of my issue. The outdoor unit was...
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01-15-2013, 06:24 PM
Thread: Need schematic for York unit
by marylandtech- Replies
- 6
- Views
- 404
Yes please email me what you have and I will...
Yes please email me what you have and I will compare it. Thanks for the info so far. The unit is not very complicated I just want as much info as I can as this job has been "under the microscope"
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01-15-2013, 04:52 PM
Thread: Need schematic for York unit
by marylandtech- Replies
- 6
- Views
- 404
Need schematic for York unit
I have an older air handler that I'm trying to find a schematic for. Model # appears to be a F1CP030406a although it is not very easy to read. Appears to be late 80's early 90's era. Mainly need a...
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12-28-2012, 08:33 PM
Thread: Flooded Two Pipe Steam System
by marylandtech- Replies
- 35
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- 2,030
Thats a great point that for some reason I...
Thats a great point that for some reason I overlooked. But true that I am dumping "untreated " water into the boiler. Although Im sure it is not there long before it is "diluted" with the treated...
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12-28-2012, 07:23 PM
Thread: Flooded Two Pipe Steam System
by marylandtech- Replies
- 35
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- 2,030
I see it all the time. When you drain a large...
I see it all the time. When you drain a large boiler for inspection you can use the feed to refill the boiler on initial startup. Otherwise you will have to fill with your pump from the condensate...
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12-19-2012, 08:11 PM
Thread: Retapping threads
by marylandtech- Replies
- 3
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- 395
Retapping threads
So I have a Burnham 11 section cast iron sectional boiler thats a bolt has snapped of for the rear sight glass. Currently being held by one bolt which will probaly also snap off. (We are replacing...
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07-23-2012, 06:50 PM
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- 27
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- 2,104
What is your control voltage at the contactor...
What is your control voltage at the contactor when it is not pulling in? I have seen Carrier units locked out through the CLO board and have 16-17 volts at the contactor. When you push it in the...
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06-08-2012, 11:33 AM
Thread: Aaon OAU compressor killer
by marylandtech- Replies
- 19
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- 1,419
Home depot sells nice garden sprinklers. As a...
Home depot sells nice garden sprinklers. As a last ditch temp solution it may work until the equipment sizing issues can be addressed. Just dont use it when its cool outside or you will have another...
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06-05-2012, 10:51 PM
Thread: Copeland Discus compressor help!
by marylandtech- Replies
- 10
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- 919
Thanks for the info guys and the manual spinning...
Thanks for the info guys and the manual spinning wheel. Hopefully will get this thing running tommorrow. Looking at the manual it calls the low side of oil switch connection as the oil charge port....
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06-05-2012, 09:22 PM
Thread: Copeland Discus compressor help!
by marylandtech- Replies
- 10
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- 919
By pumping the oil directly into the suction...
By pumping the oil directly into the suction service valve it will go directly into the sump where I should be able to see the level in the sight glass correct?
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06-05-2012, 09:16 PM
Thread: Copeland Discus compressor help!
by marylandtech- Replies
- 10
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- 919
I will look tommorrow, maybe I missed it. This...
I will look tommorrow, maybe I missed it. This job has had numerous problems and I was there late yesterday. What is the oval plate with the spring behind it for?
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06-05-2012, 08:48 PM
Thread: Copeland Discus compressor help!
by marylandtech- Replies
- 10
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- 919
Well I think the oil sight glass can be mounted...
Well I think the oil sight glass can be mounted in a couple differnt spots on the compressor (judging by the circle plates on the side and rear of compressor housing) but now that you mention it I...
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06-05-2012, 08:23 PM
Thread: Copeland Discus compressor help!
by marylandtech- Replies
- 10
- Views
- 919
Copeland Discus compressor help!
Was looking at a Copeland Discus compressor (3DA075) that the system lost all its refrigerant and is very low (empty sightglass) on oil. Where is the correct port to pump oil into the compressor. The...
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09-23-2011, 08:59 PM
Thread: Misc Tools/ Hvac Tools
by marylandtech- Replies
- 6
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- 1,421
Old post brought back, but Yes! I do still have...
Old post brought back, but Yes! I do still have the ignition transformer for sale. Make an offer.
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04-30-2011, 10:14 PM
Thread: Anyone work for CMS Mechanical?
by marylandtech- Replies
- 3
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- 699
do a search on here for Nextech ....they are the...
do a search on here for Nextech ....they are the same company
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04-15-2011, 11:09 PM
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- 26
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- 3,189
Well I will be 28 years old in July and been in...
Well I will be 28 years old in July and been in the field since 18 right out of high school. (hard to believe its been 10 years WOW) I have been a liscensed ham radio operator since I was 13 and love...
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01-13-2011, 05:05 PM
Thread: Best HVAC company's copy ?
by marylandtech- Replies
- 4
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- 631
heard good things about Boland. I have a buddy...
heard good things about Boland. I have a buddy who works for Fidelity in Beltsville. He likes it though he said there is the normal politics stuff with most big companies. I work in Baltimore so I...
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10-26-2010, 05:05 PM
Thread: WHAT IF??
by marylandtech- Replies
- 26
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- 1,705
No i prefer using harsh chemicals and destroying...
No i prefer using harsh chemicals and destroying the environment . Is this a trick question?
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