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Type: Posts; User: madhat

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  1. Replies
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    BTW, we have a switch on the crankcase heaters...

    BTW, we have a switch on the crankcase heaters and Evaporator heater on one of our chillers. That circuit is on the generator. It is well labeled, and there is a pilot light to show the power is on.
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    1,067

    I wonder if what they are doing is even legal?...

    I wonder if what they are doing is even legal? Walked away from "Lab Work" where they were using Home refrigerators, walk-ins with no redundancy. The Scariest was a Soda reach in. On top of that I...
  3. Replies
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    1,067

    Always love it when they have a need for...

    Always love it when they have a need for specialized equipment and you have a Jerry rigged mismatched setup, that I wouldn't have on my own house. Run into this all the time with computer rooms. In...
  4. Replies
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    261

    Water Furnace Model NCW09R212CNNA4SSA Serial...

    Water Furnace
    Model NCW09R212CNNA4SSA Serial 100100090
  5. Replies
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    261

    Matching a Compressor Klixon.

    I have a WSHP Console unit, the Klixon on top of the compressor is defective. There's no tag on the compressor. Klixon # MRA12017-12026. I had no luck in finding a match-up, and need a couple.
  6. Replies
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    1,010

    I had a R 22 30 lb with a busted valve....

    I had a R 22 30 lb with a busted valve. Transferred it to another 30 lb by setting the bad tank in the garage and the empty tank outside where it was cooler. Took about a week to get it moved over....
  7. Thread: ABB Drives

    by madhat
    Replies
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    617

    Check your trends to see if the controls are...

    Check your trends to see if the controls are sending a signal for 100% to the drives during their off time. In other words when your unit starts the fan motors are running at 100% and the computer...
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    983

    You really have to go with what the manufacture...

    You really have to go with what the manufacture specs. You could be there in the early morning and one capacitor could be great, but in the late afternoon when the voltage drops it could be a...
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    983

    To me there is no excuse for installing the wrong...

    To me there is no excuse for installing the wrong size capacitor. ACE and TruValue hardware even carry capacitors, was able to get the right dual capacitor on a Sunday.
  10. I had a condensing unit at a school, exposed to...

    I had a condensing unit at a school, exposed to fire, that was just the coil and fans. We pressured it up to the factory test pressure, it blew the u-tubes out of it. BTW the coil was exposed to...
  11. I don't know why it wouldn't pass inspection....

    I don't know why it wouldn't pass inspection. Most likely its Zero clearance. Fossil fuel I could understand it not passing inspection.
  12. Thread: 3D Floorplans

    by madhat
    Replies
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    3,032

    I draw the different type of walls and copy and...

    I draw the different type of walls and copy and paste. I do the same for doors, windows ductwork, piping corners, etc. I use a Paint program for my drawings and I have a huge clipboard of everything....
  13. Thread: 3D Floorplans

    by madhat
    Replies
    20
    Views
    3,032

    I'm trying to make an isometric piping drawing...

    I'm trying to make an isometric piping drawing and I'm struggling. I did a blueprint type drawing and a Section drawing of this mechanical room with no problem. The isometric drawing has me pulling...
  14. Replies
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    8,541

    "You have me concerned with this argument corny....

    "You have me concerned with this argument corny. Usually it's homos who are first to bring up the "latent homosexual" label when referring to gay bashers. FWIW some gay bashers just don't like...
  15. I have a set of HF brass drifts, great for...

    I have a set of HF brass drifts, great for knocking a shaft out of a hub. Used them many a time to get the shaft off of a PRV fan, also to get the impeller off of a pump.
  16. Replies
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    8,541

    So it's okay with you, that the Islamics practice...

    So it's okay with you, that the Islamics practice Shaira law in the U.S. ???
  17. Replies
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    269

    Okay, just as long as it's working correctly. I...

    Okay, just as long as it's working correctly. I don't take care of this equipment, it's under a contractor.
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    532

    No, No, No. It's not "they don't need...

    No, No, No. It's not "they don't need maintenance." It's called, "Deferred Maintenance." Got to get your Catch Phrases right, LOL
  19. Replies
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    269

    Exhaust Cleaning Cycle?

    I was servicing some equipment on a roof at the time they switched to the cleaning cycle, for the kitchen exhaust. I noticed the fan stopped when the cleaning started. Shouldn't the Fan be running...
  20. Tell them to get rid of their Ice O Craps, and...

    Tell them to get rid of their Ice O Craps, and put Manitowoc in. They'll pay for themselves in a couple years, with the water and energy savings. They may be able to get rebates on them too. BTW...
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    374

    Are you cleaning these because the Glycol jelled?...

    Are you cleaning these because the Glycol jelled? If so you can clean them with a pump, Calclean HD diluted to label. Flush the glycol out, run Calclean solution through, if you can, heat the...
  22. Replies
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    374

    I use silicone grease on gaskets. That way you...

    I use silicone grease on gaskets. That way you can reuse them over and over, also the thinner one are less likely to get a crease in them. BTW you only need a light coating.
  23. Replies
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    465

    I have a BAC Tower. Had a bad rust blister in the...

    I have a BAC Tower. Had a bad rust blister in the bottom, I used a big electric KO tool and cut a hole, cutting the blister out. I put a PVC Bulkhead fitting in the hole. Now when I clean the tower,...
  24. Replies
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    32,053

    I had a Trane 2 stage RTU and the system had...

    I had a Trane 2 stage RTU and the system had black gunk in it. They had replaced compressor after compressor in house till they called a contractor. The inside V coil had never been cleaned. They had...
  25. Replies
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    745

    Years ago they had a coupling that had a little...

    Years ago they had a coupling that had a little red dot on it. You cut and de-burred the tubing. Put the coupling on, seated, and heated it till the red dot turned black. Do they still make these?
  26. Replies
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    512

    The two units have preheat on them and reheat at...

    The two units have preheat on them and reheat at VAV. I'm opening the chilled water valve by lowering the discharge. If I lock the valve open, can't keep the ladies happy as my heating loop is on...
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    512

    We have no access to the programming, this is...

    We have no access to the programming, this is actually called a test mode. I'll have to take another look at the O.A. requirements. No CO2 ventilation in this building, we had to give up trying to...
  28. Replies
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    334

    If some goes on the ballot as an independent...

    If some goes on the ballot as an independent named, "Noneof The Above." I believe they would win by a landslide, LOL
  29. Replies
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    512

    Setting discharge to 50 F.

    It's been raining for two weeks now. I've been locking the discharge air to 50 F and letting the VAV Reheat heat the air back up. The computer unlocks it after three hours. Yes, the buildings leak...
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    326

    Boxed cardboard frame fiberglass filters, sprayed...

    Boxed cardboard frame fiberglass filters, sprayed with pam. Don't use pinched frame filters. It would be cheaper to give them a box of filters, robo call them when to change filters, when they turn...
  31. Thread: Must have tools

    by madhat
    Replies
    92
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    20,127

    Two line up punches, awl for putting heavy covers...

    Two line up punches, awl for putting heavy covers back on that shrunk when I had them off. Channel locks without chrome on them, to use around my torch. Sporlan valve wrench. Extra MC tank key. Can...
  32. Replies
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    987

    The hair spray is like someone varnished the coil...

    The hair spray is like someone varnished the coil repeatedly. We used Renewz coil cleaner on the evaporators about every three months.
  33. Replies
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    987

    We have a ducted mini-split Fujitsu. It has a...

    We have a ducted mini-split Fujitsu. It has a ducted unit and a wall hung unit off of the same outdoor HP unit.
  34. Replies
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    3,812

    United Nations, I believe Perez was head of UN...

    United Nations, I believe Perez was head of UN then.
  35. Replies
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    987

    I have two Daikens, and they grow mold on the...

    I have two Daikens, and they grow mold on the louvers. Both are in Comm. closets. I've never seen moisture on them, charge is correct, and the room humidity is low. Puzzled why these two would grow...
  36. Replies
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    Needed a 17mm socket, checked local Sears on line...

    Needed a 17mm socket, checked local Sears on line they have five in stock. Go there, the have none, not even an impact one. After wasting 40 minutes for them to check another Sears and hold it for...
  37. Replies
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    3,812

    Has anyone taken notice that about the time the...

    Has anyone taken notice that about the time the Patent expires on a refrigerant, it becomes a "Bad" refrigerant?
  38. Replies
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    455

    I had a cousin who had Epilepsy, it was well...

    I had a cousin who had Epilepsy, it was well under control with meds. He got a really bad cold or the flu. It was so bad, that his employer took him to ER. He was held in ER over the maximum time,...
  39. Replies
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    574

    I'm getting tired of writing specs, sometimes on...

    I'm getting tired of writing specs, sometimes on my own time, then the bean counters say we negotiated the contract and saved money. They didn't do any bartering, just cut stuff out of the contract....
  40. Replies
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    574

    If the unit goes into alarm it shuts down the...

    If the unit goes into alarm it shuts down the equipment after X number of minutes. Not sure what they are programing the time at. I can run the temperature up and down, lock controls, for an amount...
  41. Replies
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    574

    I just Emailed them back and said I no cure for...

    I just Emailed them back and said I no cure for the Frequency drives being cut out of the specs. The old ones are Square D and at least 15 years old. The computer shuts the AHU down if it doesn't get...
  42. Replies
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    574

    Control company, would have to install a...

    Control company, would have to install a different program and charge us for it. That would take an RI, doubt I'd get one of them. I looked at some on the Internet, not sure how I would shield them...
  43. Replies
    9
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    574

    Frequency Transducer.

    They are putting in a new control system, and the bean counters cut new Frequency drives out of the contract. Three of the drives have no feed back point. Is there a Transducer I could install? Is a...
  44. Replies
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    490

    Found the extra return goes to four VAVs, then...

    Found the extra return goes to four VAVs, then back to the main return. Don't know why they did this. I'm drawing out the hot water piping, for the whole building to see where to put the two way...
  45. Replies
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    1,061

    If you go directly from the static pressure...

    If you go directly from the static pressure control to the drive, run tubing and put the control next to the drive. That way you can read your pressures, and signal without running back and forth....
  46. Replies
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    490

    Strange heating piping.

    I have this job, the heating water is piped from another building and loops through this building. A separate pump pulls the water off this loop and sends it through the building. Return comes back...
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    1,785

    I've seen Brand new Sight Glasses like that. From...

    I've seen Brand new Sight Glasses like that. From not bleeding nitrogen and wrapping the wet rag over the glass. Causes Smoke to condense on the glass.
  48. Replies
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    1,200

    I had someone do the opposite, R410a in a R22...

    I had someone do the opposite, R410a in a R22 WSHP. He couldn't understand why the unit wouldn't cool and pressures / temperature were screwed up. I go out there, and he pulls one of those digital...
  49. I would insulate it, easier than tearing out the...

    I would insulate it, easier than tearing out the soffit later. Never Ever have a diffuser that blows down on a woman, unless you really want to get on her bad side LOL.
  50. Replies
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    537

    We had a bunch of motors come up with bad...

    We had a bunch of motors come up with bad bearings. The common denominator? All multi "B" belts and the same guy changing the belts. BTW, he also said the Opti-Belts were garbage, and they caused the...
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