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  1. Thread: Vfd contactor

    by t2
    Replies
    14
    Views
    483

    The contactor would only open in a freeze stat...

    The contactor would only open in a freeze stat trip
  2. Thread: Vfd contactor

    by t2
    Replies
    14
    Views
    483

    Vfd contactor

    Is it ok to have a contactor inbetween the vfd and motor. This contactor would not open if there was a low limit freezestat trip otherwise it would be closed. The drive is in a mechanical rm and this...
  3. Replies
    2
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    357

    Trane tracker varitrac

    When on a call for a complaint of cold air. 40 deg outside. All zones 70 to 73. Tracker calling for cooling. Hooked up labtop with software and enable supply air tempering and raised cooling...
  4. Thread: 40+year Building.

    by t2
    Replies
    28
    Views
    1,387

    If you don't know what to do with a boiler like...

    If you don't know what to do with a boiler like that then don't touch it . Things that are bad- co, explosions etc etc
  5. Thread: 40+year Building.

    by t2
    Replies
    28
    Views
    1,387

    Brush and vac boiler, change oil filter , oil...

    Brush and vac boiler, change oil filter , oil pump strainer ,burner nozzle,clean set electrodes, combustion test with testo, co,co2,draft, etc within manufactors specs. Check lwc, flame safety...
  6. Replies
    6
    Views
    322

    I had to copy and paste the dmp file in procomm...

    I had to copy and paste the dmp file in procomm and load it into the cmx.
    I don't see the occ3 value in any of the controllers files the rest off the controllers are lcx 800 . The only thing I have...
  7. Replies
    6
    Views
    322

    I got in there was a problem with customers com...

    I got in there was a problem with customers com port driver. I already have the default password. Rusty on this programming. building is a vav system with chiller steam boiler and mod con boiler. Was...
  8. Thread: Andover cmx 220

    by t2
    Replies
    0
    Views
    179

    Andover cmx 220

    Anyone still work with andovers cmx-220
    Have a building with one error light is on and can't access controller. Usually use hyper terminal or procomm . Any idea on if the service tool is still...
  9. Replies
    6
    Views
    322

    Andover cmx pro com plus

    Customer pressed the reset button on a Andover cmx. The front end has pro com plus. I sent the backup file for the cmx from pro com to the cmx. The amber receive data light is on while it receives...
  10. Thread: Round duct part 2

    by t2
    Replies
    5
    Views
    451

    I am becoming a fan of the round duct . The one I...

    I am becoming a fan of the round duct . The one I saw in the basement had the 14 to 12 trunk line close to the side wall ahu was placed a ft off wall the flex was tucked up against fl I between joist...
  11. Thread: Round duct part 2

    by t2
    Replies
    5
    Views
    451

    Round duct part 2

    Last service call I went on was a 2100 sq ft house with a 2 ton attic split and a 2 ton basement split. Both the attic system and basement system were ducted with a square to round off Ahu then 14 in...
  12. Thread: Round duct

    by t2
    Replies
    0
    Views
    191

    Round duct

    I have been seeing more round duct sytems with a square to round transition and round 16 in to 14 to 12 trunk line then saddle taps and flex runs. I guess it's better than a flex bomb 4 ft plenum...
  13. Thread: Lochinvar squire

    by t2
    Replies
    4
    Views
    300

    I knew about the thread problem but this one was...

    I knew about the thread problem but this one was from the top under the cover possibly on a weld the other 2 I noticed water on the bottom.
  14. Thread: Lochinvar squire

    by t2
    Replies
    4
    Views
    300

    Lochinvar squire

    I have come across 3 leaking lochinvar squire indirect tanks. Anyone else seen any leakers. The tanks are stainless steel.
  15. Thread: 30 ton voyager 3's

    by t2
    Replies
    10
    Views
    620

    30 ton voyager 3's

    My employer just picked up a maintenance contract on 30 over 30 ton voyagers by undercutting the completion . It is bid for 2 guys one day. How am I supposed to check heat exchangers in this time....
  16. Replies
    5
    Views
    834

    No air balance report up to customer. Could be...

    No air balance report up to customer. Could be ductwork issues
  17. Replies
    6
    Views
    405

    Maybe a blown fuse or popped transformer

    Maybe a blown fuse or popped transformer
  18. Replies
    5
    Views
    834

    Vav sytem airflow tracer sc

    Trane voyager vac with reliatel 18 trane vavs with electric reheat.
    Rtu runs in full economizer with return air damper shut all the time this time of year except for morning warmup. Some Boxes not...
  19. Thread: tracer sc slooowww

    by t2
    Replies
    3
    Views
    347

    Hui. I will try chrome on Monday. Laptop is...

    Hui. I will try chrome on Monday. Laptop is windows xp Internet exployer 8. Somewhere around 5 years old.
  20. Thread: Voyager vav airflow

    by t2
    Replies
    4
    Views
    452

    Voyager vav airflow

    In a vav system would cfm to the boxes be reduced if the rtu was economizing and return air damper closed. 18 vavs with electric reheat and sometimes airflow switches on 3 boxes are not making. The...
  21. Thread: Trane Package unit

    by t2
    Replies
    5
    Views
    611

    There is a book you can get at trane parts about...

    There is a book you can get at trane parts about voyagers. It is a black book. The voyage continues. It has some good electronic troubleshooting in it. I think it's 40 dollars.
  22. Thread: tracer sc slooowww

    by t2
    Replies
    3
    Views
    347

    tracer sc slooowww

    Why is tracer sc so slow. Site with 18vavs 2rtus and it take forever to bring up info. Also how do you enable the thumb wheel is it by the in service out of service selection. Also not seeing sensor...
  23. Replies
    5
    Views
    736

    yhd180f3ra1r6j 13 3410511d baysensor106...

    yhd180f3ra1r6j 13 3410511d baysensor106 4wire unit runs fine in cooling using test mode and baysensor. Heating sometimes it will go into heating mode using step test and baysensor. Have...
  24. Replies
    5
    Views
    736

    Trane Reliatel vav 15 ton rtu

    Intermintent heat operation on a trane 15ton reliatel vav. Sometime goes into heat in test mode sometimes not. Always goes into cooling. Wired to a 4 wire zone sensor. Sensor works everytime in cool...
  25. Replies
    1
    Views
    385

    not enough combustion air or low gas pressure.

    not enough combustion air or low gas pressure.
  26. Thread: Buffer Tanks

    by t2
    Replies
    1
    Views
    440

    Buffer Tanks

    Anyone install any boiler buddy or other brand buffer tanks on mod con boiler installs. Before I push one to a customer on next install wondering If they will see savings on there gas bill. The goa...
  27. Thread: lochinvar squire

    by t2
    Replies
    4
    Views
    336

    they are a stainless coil in a stainless tank....

    they are a stainless coil in a stainless tank. The smart tanks are tank in a tank I think
  28. Thread: lochinvar squire

    by t2
    Replies
    4
    Views
    336

    lochinvar squire

    Anybody else come across leaking Lochinvar squire indirect tanks
  29. Replies
    11
    Views
    1,453

    add gas

    add gas
  30. Replies
    11
    Views
    1,453

    check txv , warm up bulb, make sure evap is...

    check txv , warm up bulb, make sure evap is clean, if multistage all stages need to be calling. Is evap header piping correct.
  31. Thread: First Co. hydro air

    by t2
    Replies
    2
    Views
    667

    the first co. with the leaking evap is a...

    the first co. with the leaking evap is a 30hbxb-hw, just added gas for now , not going to try and fix it till I hear back from First co. Cant believe the one year warranty. Everyone else is 5. ADP...
  32. Thread: First Co. hydro air

    by t2
    Replies
    2
    Views
    667

    First Co. hydro air

    I have been finding a few leaking evap coils on First Co. Air handlers with hot water coils. These evaps are barely 4 years old. The warranty from first co. one year. First Co. = garbage . Any...
  33. Thread: Alerton web talk

    by t2
    Replies
    3
    Views
    1,460

    yes there is a bcm-eth device. web talk was a...

    yes there is a bcm-eth device. web talk was a typo . The internet from the building goes to a 5 port ethernet switch on port one but that port led is not on and i cant connect to the internet from...
  34. Thread: Alerton web talk

    by t2
    Replies
    3
    Views
    1,460

    bcm-web version 1.1

    bcm-web version 1.1
  35. Thread: Alerton web talk

    by t2
    Replies
    3
    Views
    1,460

    Alerton web talk

    went to a building today that has alerton webtalk 1. something. When I logged in only the outdoor air comes up. Everything else says waiting... no temps ever come up. I noticed on the ethernet...
  36. Replies
    8
    Views
    930

    Dectron DS-182-43 pulling vacuum

    Dectron Ds-182-43 Between the indoor unit and condenser on roof total charge is 225 pounds of 22 per circuit. One lost 225 and 2 lost 100 pounds. Fixed a bunch of leaks. each circuit must have 10...
  37. Thread: micron guage

    by t2
    Replies
    8
    Views
    1,099

    micron guage

    I have a old supco micron guage, looking to upgrade been looking at a jb and infinicon . Any problems with these. The yellow jacket in the hard case looks nice but pricey.
  38. Replies
    2
    Views
    912

    sporlan adrpe-3-0/80

    has anybody changed just the head of a discharge bypass valve. Found one leaking on a Dectron unit very rusted from chlorine . It says it is removeable but it feels frozen on. I may just braze a new...
  39. Replies
    2
    Views
    705

    a thermistor, , lochinvar called me back on a...

    a thermistor, , lochinvar called me back on a sunday which is good, they said to turn the sensor and for some reason that did it , reset boiler running fine, going to pick up a couple tommrow.
  40. Replies
    2
    Views
    705

    KBN151 flue sensor fault

    Anybody have any issues with flue sensors part TST30011 on Lochinvar Knight Boilers. I have installed 2 boilers. One going for a year no problems. One is a month old and needs a flue sensor and maybe...
  41. Thread: VariTrane

    by t2
    Replies
    1
    Views
    452

    VariTrane

    M#vrtoblmoopo1s S#ro2g97446 Ctrl DD01 Actu Blmo Does this vav require rover software to troubleshoot a flow sensor failure in Tracer Summit.
    There is flow but reading 0 cfm on Summit. Could...
  42. Thread: 100 gal indirect

    by t2
    Replies
    3
    Views
    516

    100 gal indirect

    Went on a service call for relief valves blowing on 2 boilers. amtrol 90 expansion tank bladder bad full of water , water comes out of air port. Of course apartment owner wants qoute on exp tank ....
  43. Replies
    5
    Views
    512

    for flow reasons the indirect pump is best in...

    for flow reasons the indirect pump is best in the primary it seems for ease of installation being put in the secondary pump manifold with the other zone pumps i have seen piping diagrams both ways...
  44. Replies
    5
    Views
    624

    lochnivar knight squire indirect the boiler can...

    lochnivar knight squire indirect the boiler can control the boiler pump and the indirect pump in the primary but the indirect can also be put with the other 4 zones and the zone panel can run it...
  45. Replies
    5
    Views
    512

    primary secondary loop with indirect

    pros and cons of installing the indirect pump in the primary loop vs the zoned secondary
  46. Replies
    5
    Views
    624

    Indirect pump primary loop or secondary

    What does everyone think about installing the indirect pump in the secondary loop vs in the primary boiler loop. Pros and cons
  47. Replies
    2
    Views
    378

    Mod Con boiler catergory 4 venting though roof

    I have a customer who would like there Lochnivar Knight boiler cvpc vent pipe changed from a side sill plate vent to a up though the roof vertical vent.
    The snow line is a problem even though the...
  48. Thread: york chiller

    by t2
    Replies
    0
    Views
    491

    york chiller

    Any idea how much the suction elbow weighs on a york m # yta2b2b2-cge
    s# mrp49767 comp M# ydtj-76. I have changed gaskets on a trane suction elbow, had to use gantry and remove purge. Also has shaft...
  49. Thread: carrier 30gb100550

    by t2
    Replies
    1
    Views
    436

    I should mention that if i turn off the breaker...

    I should mention that if i turn off the breaker for comp one and start the chiller it still goes into fault 51 then start circuit 2 comp 3 and 4 which run fine. All comp ohm the same. I am thinking...
  50. Thread: carrier 30gb100550

    by t2
    Replies
    1
    Views
    436

    carrier 30gb100550

    Carrier 1986 100 ton chiller air cooled 4 compressors 30gb100550/r697602
    code 51. Quick test everything check outs ok. All compressor run in quick test. During normal startup comp one runs for 15...
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