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  1. Replies
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    Thanks for the replies. There is no...

    Thanks for the replies.

    There is no manufactures information in the burner box or blower section. I don't see anywhere that a label was ever there.

    I did a quick load calc, but I still like to...
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    Anyone recognize this furnace?

    I have a replacement and was curious what the size of old furnace is. It is only a theee burner... i was guessing at 80k to 100k. Is there a ballpark for btu per burner with ribbons?

    If I had my...
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    Is the TFM61 a SP or PSC motor? Sent from my...

    Is the TFM61 a SP or PSC motor?

    Sent from my SCH-I545 using Tapatalk
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    Thanks I'll look into that! Sent from my...

    Thanks I'll look into that!

    Sent from my SCH-I545 using Tapatalk
  5. Replies
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    Is the new Danfoss control 077B1264 not...

    Is the new Danfoss control 077B1264 not adjustable? I just put one in and it is a little on the cold side with about a 10-11 degree differential.. If I set it between 2 and 3 (on the dial) it is...
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    When I first started in HVAC my uncle tried to...

    When I first started in HVAC my uncle tried to explain to me how to charge a system without vacuuming... he had done it 100s of times at the apartment complex he worked at.... I wasn't involved in...
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    Copelametic KAJ1-0100-TAD

    Anyone have a use for a Copelamtic KAJ1-0100-TAD - 460V 3phase

    I bought it used for parts... Tag shows it being a reman.

    I noticed it had blank off plates... Turns out it also had a holding...
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    599

    This is an older units that has had multiple...

    This is an older units that has had multiple owners... I didn't figure the warranty would cover that...

    Sent from my SCH-I545 using Tapatalk
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    599

    I pulled the gasket out and took the screws out...

    I pulled the gasket out and took the screws out of the lower gasket trim.. looks like steel and foam behind it and the white door liner is glued to the gasket holder... I didn't go any further...
    ...
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    True door heaters

    Is it possible to access/replace the door heater in a True reach in? Specifically a T49F

    Restoring one that some hack job cut (chewed, ripped, shredded.....) the cord flush with the bottom of the...
  11. Thread: Fort Knox

    by mjohnson2981
    Replies
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    2,613

    You may not even need that.... I'd try an 1/8"...

    You may not even need that.... I'd try an 1/8" punch to see if you can just knock the pins out of the hinges...
  12. Replies
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    On the evap fan motors I have found this. The...

    On the evap fan motors I have found this.

    The short PSC motors have a 860529 bracket which is about an inch tall.

    The older SP motors have a shallower mount, which I believe is a 863476 and...
  13. Replies
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    583

    I can understand that. I am restoring this for a...

    I can understand that. I am restoring this for a customer. No product in it yet and it is at my shop. I just want to make sure when I deliver it I don't work on it for a while!

    Sent from my...
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    The last unit I was on was a T72F from about 1988...

    The last unit I was on was a T72F from about 1988 that had 3. This unit is a T49F from 1999 that is looking like it may not have had one.

    The schematic I had on file was from a T49F from 2003 and...
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    583

    I've worked on some with 3... maybe that wasnt...

    I've worked on some with 3... maybe that wasnt typical...

    Sent from my SCH-I545 using Tapatalk
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    T-49F Defrost Thermodisc

    Do/Did all True T-49F freezers have the backup 90*F defrost thermodisc?

    I am working on one that has the wiring all hacked up. They cut out the temp control and put in a digital, cut the wires and...
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    674

    Thanks to all for the sites. I will get some...

    Thanks to all for the sites. I will get some ordered.
  18. Replies
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    674

    Lyall Plug

    Anyone have a part number of the female side of the Lyall plug used on evaporator fan motors? I'd like to get a couple but can't find them in any of my catalogs.
  19. Replies
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    1,016

    Like I said, I've only revived the dead on these...

    Like I said, I've only revived the dead on these units. New from True, is the liquid line inside the armaflex with the suction line or is it outside?
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    Nothing at all. After changing the valve plate I...

    Nothing at all. After changing the valve plate I release the charge back into the compressor and fired it up. I didn't take the time to recover and recharge. Supposed I could.
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    I added another 3 oz. It brought the SH down...

    I added another 3 oz.

    It brought the SH down to about 45*

    Pressures really didn't change. I adjusted the airflow to maintain the same head pressure.

    What are these condensers designed at?...
  22. Replies
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    1,016

    I'll add a little more gas and see how it...

    I'll add a little more gas and see how it responds...
  23. Replies
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    1,016

    Cap Tube, 404a SH leaving the box is 52.5 at...

    Cap Tube, 404a

    SH leaving the box is 52.5 at -10 set point. Better....
  24. Replies
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    T49-F Superheat

    I've never worked an a "good" unit. They have all been revived from the dead.

    The lastest seems to have a higher SH than I thought it should.

    I picked it up with the valve plate out of it....
  25. Replies
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    Compressor calculations.

    I am not working on anything other than my own understanding... I figured refrigeration deals more with BTUs of compressors in different circumstances, so I'd ask here.

    Say I have a compressor:
    ...
  26. I have had ATC fuses in more than one case show...

    I have had ATC fuses in more than one case show good (low ohms), make the continuity checker beep, have voltage across it (both sides) with no load, but when the load would come on it would go to...
  27. I bought the adapter and made a tube that can use...

    I bought the adapter and made a tube that can use the set screw. There should be a rubber plug in there that you can blow out. It is usually just easier to remove the plug.
  28. Replies
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    Copelametic Internals

    I have only worked on K Body Copelametics but I have never been into the lower end or motor housing.

    I have picked up a used compressor that I was going to tear apart to find the failure and am...
  29. Replies
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    1,092

    The systems are usually flat... the ones I have...

    The systems are usually flat... the ones I have watched didn't get any higher than what the system should be. Liquid refrigerant migrates out of the condenser to a cooler place in the system

    Sent...
  30. Replies
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    I have been restoring reach-ins and have been...

    I have been restoring reach-ins and have been using a steam cleaner and simple green. 50psi steam gets the coils pretty grease free. It does make a mess.
  31. Replies
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    What about Bradley's Hermetics? ...

    What about Bradley's Hermetics?

    www.bradparts.com
  32. Replies
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    1,296

    I am. I ordered the True for this time but I'd...

    I am. I ordered the True for this time but I'd like to find a cheaper alternative. The True is 2-5/8" from rear mount to fan mount

    Sent from my SCH-I545 using Tapatalk
  33. Replies
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    1,296

    I had a freezer with two bad evap motors. I put...

    I had a freezer with two bad evap motors. I put what I had in there to get it going but they are too long for the cover. I took apart one of them to see if I could replace the capacitors but it...
  34. Replies
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    1,296

    Also - Is there an aftermarket replacement for...

    Also - Is there an aftermarket replacement for the 800448 PSC evaporator motor? It is a little shorter than a standard 6W...
  35. Replies
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    True T49F Temp Control Stock

    I am looking to stock a single temperature control for True Freezers.

    Best I can figure, it looks like when they changed from Copelametics to tin cans, they put a slightly different control. Looks...
  36. Replies
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    1,232

    Seems like popular consensus is to change it if...

    Seems like popular consensus is to change it if there is a qualifying reason... Plugging drier, neglected condenser, low charge sucking moisture, or that it just looks visibly discolored...

    I...
  37. Replies
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    Let me reword that. I was not talking preventive...

    Let me reword that. I was not talking preventive maintenance like a service contract.

    I was talking as preventive maintenance to keep the unit running longer. Would it be beneficial to the life...
  38. Replies
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    Oil change on Reach In?

    I am starting to service/maintain several True reach ins with Copeland K compressors.

    Is there any reason/justification for an oil change on a functional system?

    I am a big believer of...
  39. Replies
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    1,227

    What is wrong with a bidi filter on a straight...

    What is wrong with a bidi filter on a straight AC?

    Sent from my SCH-I545 using Tapatalk
  40. Replies
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    Did the t72f have a longer lineset coil? This on...

    Did the t72f have a longer lineset coil? This on looks to have 15 feet of lineset. There are 6 loops.. I am thinking someone put 2 together...

    Sent from my SCH-I545 using Tapatalk
  41. Replies
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    582

    Thank you. After looking closer it almost looks...

    Thank you. After looking closer it almost looks like a mastic. Will black RTV cause an issue coming apart mext time?

    Sent from my SCH-I545 using Tapatalk
  42. Replies
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    Thank you! I'll see if I can tweak it tomorrow. ...

    Thank you! I'll see if I can tweak it tomorrow.

    Sent from my SCH-I545 using Tapatalk
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    That helps, thanks! The melted spot didnt look...

    That helps, thanks!

    The melted spot didnt look factory...

    The gasket on the hinge side just barely touches the stainless on the mullion and is just on the black trim. Is that normal? There...
  44. Replies
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    582

    True T72F Door Gasket

    So... I ordered replacement gaskets for an old T-72F based on the part number list from True.

    SN: 594050

    P/N: 810802

    They match the old ones but don't seem to fit correctly.

    The plastic...
  45. Replies
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    378

    Thanks! I looked quick and totally overlooked the...

    Thanks! I looked quick and totally overlooked the link.

    At the bottom of the page, it does say H is for High Solubility and 3MAF is Copeland formulation.
  46. Replies
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    In my uneducated looking, it seems that 3MAF...

    In my uneducated looking, it seems that 3MAF seems to be mainly a Copeland specification... but what the actual difference is.....

    Being they produce both, I would assume they are not supposed to...
  47. Replies
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    378

    Oil Difference

    This is just for my own knowing....

    What is the difference between RL32H POE oil and RL32-3MAF oil?
  48. Replies
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    2,893

    I was thinking the same as wolfdog. IFGC...

    I was thinking the same as wolfdog.

    IFGC States:


    409.1.1 Valve approval. Shutoff valves shall be of an approved type; shall be constructed of materials compatible with the piping; and shall...
  49. Replies
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    2,893

    Is that an approved gas valve? Sent from my...

    Is that an approved gas valve?

    Sent from my SCH-I545 using Tapatalk
  50. Replies
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    3,950

    I just bought an Extech 380950 The reason I...

    I just bought an Extech 380950

    The reason I picked this meter was that it had a small jaw, which makes it easier to grab the fan wire or capacitor wire. It does capacitance, hertz, and volts as...
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