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  1. STA2 Fieldpiece Measuring CFM on large Trane Commercial Air Handler.

    Ok just bought the STA2 and works great on light residential to measure cfm. I tried to use it on a Trane commercial AHU /chilled water/ what method can I use to measure cfm because the STA2 goes...
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    You were 100 % correct. The old ABB worked off a...

    You were 100 % correct. The old ABB worked off a Ma pneumatic transducer signal which the PCM AO2 was set to I instead of V for the Mits. Son of a B**ch. well you learn something new every day....
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    http://hvac-talk.com/vbb/album.php?albumid=3661 ...

    http://hvac-talk.com/vbb/album.php?albumid=3661

    Tracer PCM pic attached. Still voltage when vsd wires removed at board.Ran harness from another pcm works great. Guessing board is trashed. Trane...
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    Trane PCM issues

    Ok so I just got done installing a new Mits VFD. the 0-10 vdc input from trane`s pcm reads 13 vdc.All the other AHU`s read normal output from there vsd signal. Do we have a bad PCM here? I guess my...
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    Traulsen 4dr freezer 1992 issues

    Hey guys,

    I am working on a Traulsen RLT232NUT. 404a semi.comp. Got to site and freezer was down. Turned unit off then on and system ran to -07 deg. but then never restarted until i turn the...
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    Trane VAV Board

    Just replaced same board. Trane did set it up in rover but when i looked in <edit ucm > setup they had it as Varitrane c not varitrane D 2400. Or prop. HW with thumbwheel disabled. I corrected it in...
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    only the good ones. lol did not check the date.

    only the good ones. lol did not check the date.
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    So what was the verdict? Did you replace the CPR?...

    So what was the verdict? Did you replace the CPR? I have the same problem on mine. Suction -10 head 120psi. R502 though with a semi-hemi. I cannot for the life of me get a tool that can turn that...
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    Is there a CPR tool? It`s location is real tight...

    Is there a CPR tool? It`s location is real tight to see inside?
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    what would be a good choice of refrigerant now?

    what would be a good choice of refrigerant now?
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    Traulsen Freezer

    This is for a Traulsen 2 door Commercial Kitchen Freezer. R502, Suction accum. Cap Tube with a EPR or is it a Cpr? I have not worked on alot of these. My Suction pressure well there is none goes...
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    LOVE MY SMAN3. Why couldn`t they name it SWOMEN...

    LOVE MY SMAN3. Why couldn`t they name it SWOMEN instead.LOL
    Any way been using and abusing for a month now no problems except trying to get cut in +cut out readings to stabilize quickly before...
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    ok just got the SMAN3 and guess what it works...

    ok just got the SMAN3 and guess what it works great except the piece of yellow plastic stuck between the lens and digital display. Is this something to worry about or wait another 12 weeks to get one...
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    HMMMMM no stat in coil it has a def timer. Maybe...

    HMMMMM no stat in coil it has a def timer. Maybe rip it out and put the ranco in it.
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    No doors its a reach in beverage cooler. P/C are...

    No doors its a reach in beverage cooler. P/C are 17 out 33 in. This pain in my a** cooler has been an issue for a long time. I am wondering if the air flow is a problem. What should you see as a cfm...
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    134a Super Heat Readings

    Question is 6 deg SH too low for a reach in box at the Evap. Coil seems to get iced over after a period of time. Good drainage/ box temp wont go below 40 deg.Presure controls set up correct.
    ...
  17. Thread: Superheat

    by jpnova70
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    Ahhhhhhhh. Thank you.

    Ahhhhhhhh. Thank you.
  18. Thread: Superheat

    by jpnova70
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    Could you please explain the drop? SH is a easy...

    Could you please explain the drop? SH is a easy calculation now i am confused.

    Thanks,
    Jp
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    Thats exactly what it was although mine was not...

    Thats exactly what it was although mine was not exploded.

    On another subject if a reach in box`s temp cant pull under 43 deg. under no huge load what would you see or expect to read for a SH...
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    Contacts fused together. Put new d-clock in...

    Contacts fused together. Put new d-clock in upgrade from manual to digital.Now it goes in freeze mode and defrost mode . When it comes out of defrost back to freeze it trips the breaker. Hmmmm.Cant...
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    Guys, Before i go back today to diagnos the...

    Guys,

    Before i go back today to diagnos the reason why the main coil heaters are always active i noticed 2 round shaped barrels at the point where the main leads from the wiring go to coil...
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    GROOVY

    GROOVY
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    Just about to adjust TXV when i realized the...

    Just about to adjust TXV when i realized the heater was still active throwin serious btu`s in the box. H3,H4 energized in freeze mode. Here we go again.
    PS My finger found the heater!
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    ok went back to freexer today found 8 deg sh at...

    ok went back to freexer today found 8 deg sh at evap. was not sure why suction line temp was 45 deg./suction pressure 18psi. seemed high to me. Am i missing something? box temp still 10 deg. Please...
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    Walk in Freezer Subcooling Question

    I was wondering if there is a basic subcooling target as a ``rule of thumb``. I do alot of resi work not comm. Is it still 10deg? Issue i have is it wont pull past 10deg box temp. 404a runn 17psi on...
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    Dont make me cry still waiting for mine.:(...

    Dont make me cry still waiting for mine.:( 6weeks:(:(:(:(
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    OEM Reply

    Ok got the tech suppot on the line. 1-800-851-1235 prompt#3 tech supp.
    1st Suction Pressure should range 115 to 125psig
    2nd SH range 0-5 deg.
    3rd TD 25 to 30 deg at evap.
    All 3 need to be looked...
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    Sanyo Split Ductless 410A Head Pressure??

    I have a problem with a Sanyo 3t unit C3672R. Being that there are 2 suction lines vapour and sat. vapour. I am trying to find the expansion device to measure SC or SH. Cant check liquid line because...
  29. Thread: sman3 problem

    by jpnova70
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    4,398

    in stock

    http://cgi.ebay.com/Fieldpiece-SMAN3-Digital-Refrigerant-Manifold-NEW-/140539515849?pt=LH_DefaultDomain_0&hash=item20b8ced3c9

    5 available. Man i will go here next time 370 free ship.
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    Just called my supplier. 3 more weeks to wait. 8...

    Just called my supplier. 3 more weeks to wait. 8 weeks CRAZY!!!! I think there are people that need jobs that could help with this process.
  31. Thread: sman3 problem

    by jpnova70
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    I hear ya man.

    I am on my 5th week too in NY big name vendor still no gotsss.
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    Waiting over a month for the SMAN3 still back ordered.

    It is now 5-18 i ordered it when i posted this .From United Rrefrigeration in Long Island City. Still back ordered what is taking soo long?
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    Ok great send it to URI in long Island City NY....

    Ok great send it to URI in long Island City NY. LOL
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    AULT51 I agree .I also ordered the anylizer as...

    AULT51 I agree .I also ordered the anylizer as well . Does that unit diagnos Subcooling issues as well as SH?

    Jp
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    LB when you get there tell them to speed up the...

    LB when you get there tell them to speed up the orders for the SMAN3 .5 to 6 weeks to ship to NY. Just found out today my order is B/O that long. Maybe you can pull some strings.

    JP
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    AMEN Brother:ditto:

    AMEN Brother:ditto:
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    wow sounds good to me. I tell my boss i`ll be...

    wow sounds good to me. I tell my boss i`ll be back in the summer.
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    So what do you tell the customer wait till its 60...

    So what do you tell the customer wait till its 60 deg outside?
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    Charging In the Winter Procedures.

    Does anyone have any rules of thumb as to charge in the winter or low ambient conditions? Say 40 to 60 deg. Is this acurate or does it need to be re- evaluated at design temp of 90 to 95deg OAT?...
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    Russ, Do you think the next SMAN4 will have...

    Russ,

    Do you think the next SMAN4 will have the analizer built in? Just oredered the sman3 by the way. Feel like its xmas eve waiting to open presents!!

    JP
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    I would have to agree with you. My boss told me...

    I would have to agree with you. My boss told me those guages are great for the the newbi`s. ``i dont have to worry about a service call gone bad``. I told him to get 20 and see if they come with a...
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    THE NEW FIELDPIECE SMAN3 MANIFOLD

    There are quite a few digital maniflods out there on the market today. Tyring to decide which one to purchase is another story. I always trusted Fieldpiece for all there other products. So with that...
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    Fieldpiece SMAN3 VS Testo 557

    Russell,

    I am on the fence as which to buy. Please explain why yours would be a better choice besides the price diff. 600 for testo and 340 for yours right?
    JP
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    I am using the original r12 comp. changed the...

    I am using the original r12 comp. changed the oil. Because of the force applied to the head on the txv i need a high torque relay.
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    Sorry 115v

    Sorry 115v
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    TECUMSEH Hard Start Kit.

    I am using a orginal r12 comp.w/Cap tube. I am installing a reciever and TXV for 134a. I was told now that i am using a TXV i need to install high torque start components. If so does any one have any...
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    A little Help Please

    After the box pulled down some . I adjusted the LPS to 32 out and 16 in.per ICOR for 414b. Do these pressures seem right? Suction temp 58 deg/20psi/=19 on the Vapour portion of the pt chart. 39 Deg...
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    A couple of hrs later the box temp is at 38....

    A couple of hrs later the box temp is at 38. Check out before and after TXV pictures. Notice the coil 2 frosted but not the others??
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    Evans Reach-in Problems

    I am working with 414b in a beverage cooler reachin. This cooler has had the condensing unit replaced. Was r12. HP 155 psi and SP 30 psi with box temp 55deg. 72 deg.ambient. Frost from txv to inlet....
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    went with 409a. did not feel like cutting the...

    went with 409a. did not feel like cutting the comp. out to change oil for 134a. and i hate hot shot.
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