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  1. Replies
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    Belimo Actuator Parts

    I have a Belimo SY7-120MFT valve actuator that has a bad motor in it. The motor is easily replaceable-4 screws and it comes right out. Belimo is saying I can't buy parts and have to replace the whole...
  2. Thread: Silver solder

    by R123
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    1,194

    Eutectic rods should work.

    Eutectic rods should work.
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    Trane has a CH530 retrofit option for this...

    Trane has a CH530 retrofit option for this chiller.
  4. Thread: no voltage at O

    by R123
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    Whose the goober?

    Whose the goober?
  5. Thread: no voltage at O

    by R123
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    I gave you that response because you are asking...

    I gave you that response because you are asking it in the "Ask Our Pros-Owner Assistance - NO DIY advice will be given" section. Just like the heading says, it's for owners (not pros) to ask...
  6. Thread: no voltage at O

    by R123
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    There is no DIY advise in this forum. You need to...

    There is no DIY advise in this forum. You need to call a pro.
  7. You need a CRAC unit (Computer Room Air...

    You need a CRAC unit (Computer Room Air Conditioning Unit). The most notable brand is Liebert.
  8. I'm not trying to be rude so please don't take...

    I'm not trying to be rude so please don't take this the wrong way. You shouldn't have to search on the Internet to tell your HVAC contractor how to fix this problem. I suggest finding a reputable...
  9. If your 'professional' doesn't know how to fix...

    If your 'professional' doesn't know how to fix it, you should call another professional.
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    You do need to check your superheat and...

    You do need to check your superheat and subcooling. A TXV will go wide open when the system is low on refrigerant. How did you determine the suction should be 70?
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    TXV systems will do that.

    TXV systems will do that.
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    Pull the contractor head(s) on the compressor you...

    Pull the contractor head(s) on the compressor you don't want to run.
  13. If your a/c system is maxed out, barely handling...

    If your a/c system is maxed out, barely handling the load and running all the time without cycling off, your temp is going to go up if you shut off the compressor for 5 minutes. It won't have the...
  14. It is possible that when your switching back and...

    It is possible that when your switching back and forth to generator power that the compressor can't restart due to the differential refrigerant pressure not having time to equalize and the compressor...
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    You could get a 100% outside air handling unit,...

    You could get a 100% outside air handling unit, chill the air to 55 degrees, push it through the transmitter, than exhaust it outdoors. This is what's done in hospital surgical rooms. You may need a...
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    I just told you how. Good luck

    I just told you how. Good luck
  17. Replies
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    That's not your serial number

    That's not your serial number
  18. Replies
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    I'm not a parts person nor do I have a "parts...

    I'm not a parts person nor do I have a "parts list". To write down the serial number you get a pencil and paper, walk to the chiller, find the tag where you got the model number, find where it said...
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    When you call the supplier to buy the part, give...

    When you call the supplier to buy the part, give them the serial number of the chiller and they will identify the proper part number.
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    How are you going to buy the part???

    How are you going to buy the part???
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    Your local Trane parts house should have that...

    Your local Trane parts house should have that info.
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    Supco is a POS on everything they make. Don't...

    Supco is a POS on everything they make. Don't waste your $100. My company got cheap awhile back and bought all the techs these POS Supco micron gauges. Every one of them showed below 500 microns...
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    This is a 2 year old thread.

    This is a 2 year old thread.
  24. I agree 100%. The average human PRODUCES 400 BTUH...

    I agree 100%. The average human PRODUCES 400 BTUH of heat. You need to calculate your external load in addition to the 400BTUH which is going to be many times greater.
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    What about vacation/holiday/sick pay?

    What about vacation/holiday/sick pay?
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    We get our hourly wage (mine is considerably...

    We get our hourly wage (mine is considerably higher than $37.45, can't speak for other techs), 401K and company contributes along with employee, 30 holiday/vacation/sick days, profit sharing,...
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    What about vacation/holiday/sick pay?

    What about vacation/holiday/sick pay?
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    I'm a non Union tech and we have better benefits...

    I'm a non Union tech and we have better benefits than most Union shops.
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    Or you could try putting a UV light on the coil.

    Or you could try putting a UV light on the coil.
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    Then it's very possible the heat exchanger is...

    Then it's very possible the heat exchanger is fouled. As Jayguy said, we need more info. Where is this water coming from? Is it filtered and treated? Is it possible traces of cement dust made its...
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    Then it's very possible the heat exchanger is...

    Then it's very possible the heat exchanger is fouled. As Jayguy said, we need more info.
  32. Replies
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    Is this chiller used to directly cool the water...

    Is this chiller used to directly cool the water being used to make the cement, or is this a closed loop system with a secondary water to water heat exchanger?
    Is there a strainer in front of the...
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    That can become a slippery slope. If an employees...

    That can become a slippery slope. If an employees cell phone is inadvertently tracked when they are not working (for example when they have a doctors appt. and the owner or manager forgot or if one...
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    There's not a whole lot you can do except wait...

    There's not a whole lot you can do except wait for him to get fired or find another job.
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    There is NO WAY a 5 ton A/C unit with a 20 amp...

    There is NO WAY a 5 ton A/C unit with a 20 amp breaker can take out a board in an MRI or anything else in the building. That board was already bad. Did you consider the MRI went down, single phased...
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    sinu, as you were told in the OAP Commercial...

    sinu, as you were told in the OAP Commercial section, this is dangerous stuff and we can't give DIY advise as per forum rules. Call a professional.
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    Yeah its working now. BTW, is that you in the...

    Yeah its working now. BTW, is that you in the sky diving video?
  38. Replies
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    Jay, I tried to watch your youtube video but you...

    Jay, I tried to watch your youtube video but you have it set to private and I can't watch it.
  39. Replies
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    I use a string or laser to align sheaves.

    I use a string or laser to align sheaves.
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    I would start looking for a company that does...

    I would start looking for a company that does light and heavy commercial only, but NO RESIDENTIAL. They're out there. You can start doing light commercial like rooftop package units and help senior...
  41. Thread: Holiday Pay

    by R123
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    That doesn't make any sense. If you work 8:00 to...

    That doesn't make any sense. If you work 8:00 to 4:30. That would be 8 hours. You don't clock in, do you? If they are going to force a lunch break on you than use it. Walk away from a hot building...
  42. Thread: pay scale

    by R123
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    GOOD POINT! Or your life's over.

    GOOD POINT!

    Or your life's over.
  43. X2

    X2
  44. Thread: Travel Pay

    by R123
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    We're non Union and travel time is just like any...

    We're non Union and travel time is just like any other time, it's after 40.

    Think of it this way, if you were a delivery truck driver, would you only get paid OT for the time loading and...
  45. Yes, what's wrong with that??? If the climate...

    Yes, what's wrong with that??? If the climate zone didn't drop below 40, you practically wouldn't need heat at all.
  46. Thread: 3 phase question

    by R123
    Replies
    117
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    12,882

    A refrigeration guy.

    A refrigeration guy.
  47. Thread: 3 phase question

    by R123
    Replies
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    12,882

    When I read his post, that wasn't what I saw he...

    When I read his post, that wasn't what I saw he was saying.
  48. Thread: 3 phase question

    by R123
    Replies
    117
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    12,882

    Post #14

    Post #14
  49. Thread: 3 phase question

    by R123
    Replies
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    12,882

    Here's a 3 phase wye and delta setup. The 120...

    Here's a 3 phase wye and delta setup. The 120 volt circuits in the delta is 180 degrees out of phase with each other but the 240 volt circuits are 120 degrees out of phase with the other 240 volt...
  50. Thread: 3 phase question

    by R123
    Replies
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    12,882

    I tried to explain this earlier in this thread on...

    I tried to explain this earlier in this thread on post #13 on the bottom of the first page and quoted in post #60 3 posts up.

    I'll add that the 180 degrees your referring to in single phase is...
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