Search:

Type: Posts; User: DFZ

Page 1 of 3 1 2 3

Search: Search took 0.01 seconds.

  1. Thread: john stabile

    by DFZ
    Replies
    3
    Views
    402

    john stabile

    you are a grump, have a beer and calm down
  2. Replies
    6
    Views
    1,485

    was the %fla verified with a meter, some of the...

    was the %fla verified with a meter, some of the old YCAS weren't set up correctly with the ct's and the calculations.
  3. Replies
    10
    Views
    1,389

    I don't know anything about Jace, but I hope this...

    I don't know anything about Jace, but I hope this helps you.
  4. Replies
    11
    Views
    1,120

    here is a Bacnet list I found for the Elinc, it...

    here is a Bacnet list I found for the Elinc, it should show you how to map the points list to the bacnet points, I hope it helps.
  5. Replies
    11
    Views
    1,120

    p03 should be sound limit

    p03 should be sound limit
  6. Replies
    2
    Views
    1,326

    chain fault refers to the safety chain, a set of...

    chain fault refers to the safety chain, a set of safeties in series, usually hpco lpco and the compressor motor protectors,
    if it has copeland scrolls, those motor protectors do go bad and are easy...
  7. Thread: York ice......

    by DFZ
    Replies
    11
    Views
    1,639

    try these

    try these
  8. Replies
    7
    Views
    622

    try this

    try this
  9. Replies
    15
    Views
    3,923

    I wouldn't worry about the moisture it adds, I...

    I wouldn't worry about the moisture it adds, I would worry about it reacting to moisture in the system period to make carbonic acid, moisture will come out with a vacuum pump, acid is there to stay...
  10. Replies
    5
    Views
    952

    check you fan staging controls, the fans may not...

    check you fan staging controls, the fans may not be coming on fast enough to keep head below the trip point, if your compressors stage up faster than the fans during start up it may trip.
  11. Thread: Lazy? Untrained?

    by DFZ
    Replies
    7
    Views
    1,946

    Darwin's law is the cure for stupid

    Darwin's law is the cure for stupid
  12. Replies
    7
    Views
    3,157

    if it has the copeland compressors check the...

    if it has the copeland compressors check the motor protector, we've been changing them regularly on alot of units.
  13. if the optiview and vfd are factory mounted the...

    if the optiview and vfd are factory mounted the optiview will already have the ACC if not yes you do need it, the thrust should be fine if long term storage instructions were followed, oil in...
  14. Replies
    5
    Views
    1,621

    page 14 of the pdf shows the wiring for the...

    page 14 of the pdf shows the wiring for the communications
  15. Replies
    5
    Views
    1,621

    what is the configuration of what you are...

    what is the configuration of what you are replacing, did they originally have microgateways at each chiller, if so you may be able to reuse the wire if it is already daisy chained,
  16. Replies
    5
    Views
    1,621

    Port 1 BAS set with dip switches Port 2b ...

    Port 1 BAS set with dip switches

    Port 2b Optiview RS232

    Port 3 Terminal Mode access

    Port 4 LON - only with lon daughter board

    Port 2A is rs 485 for use with some of the non...
  17. Replies
    5
    Views
    1,621

    read this

    read this
  18. Replies
    10
    Views
    3,754

    here's the older one

    here's the older one
  19. Replies
    10
    Views
    3,754

    BV1

    BV1
  20. Thread: York Elink

    by DFZ
    Replies
    9
    Views
    1,875

    Bacnet same thing just with a graphic...

    Bacnet


    same thing just with a graphic display instead of the single line
  21. Thread: York Elink

    by DFZ
    Replies
    9
    Views
    1,875

    the remote panel talks to the chillers via...

    the remote panel talks to the chillers via Yorktalk, and isn't a true optiview panel, you'll need to talk to it via bacnet, modbus, or yorktalk, if you need it to be on a lon system you'll need to...
  22. Replies
    16
    Views
    2,193

    the ISN software within the controller is alot...

    the ISN software within the controller is alot different than the Bacnet on the network, just having the ICE software isn't enough, you'll need to learn the software and how to use it, figure out how...
  23. Replies
    11
    Views
    2,198

    YTL6M6F1-CTF that's an old one will have to...

    YTL6M6F1-CTF

    that's an old one will have to go thru the hard copy books for that
    which transducer, evap cond oil?
  24. Replies
    29
    Views
    2,296

    13 First stage heating is locked out due to...

    13 First stage heating is locked out due to excessive Limit Switch Trips
  25. Replies
    11
    Views
    2,198

    if you provide model number and which transducer,...

    if you provide model number and which transducer, I can get more specific
  26. Replies
    11
    Views
    2,198

    red is 5vdc supply black is common white is...

    red is 5vdc supply
    black is common
    white is signal to panel
  27. Replies
    32
    Views
    2,741

    can the compressor staging be controlled by...

    can the compressor staging be controlled by suction pressure, find a pressure that corresponds to your desired discharge air, then as airflow drops suction pressure will drop and you will unload, any...
  28. Replies
    39
    Views
    4,146

    i have one, it works great, wide variety of...

    i have one, it works great, wide variety of choices with coffee's and such
    definitely suggest it.
  29. Replies
    42
    Views
    2,562

    got an XL recently and love it, looking for a...

    got an XL recently and love it, looking for a LT-XL next.

    will never go back to a cheap bag again...
  30. Thread: netflix

    by DFZ
    Replies
    33
    Views
    2,639

    netflix is the best, my son can also watch movies...

    netflix is the best, my son can also watch movies on his WII
  31. Replies
    1
    Views
    609

    dx? flooded? how many passes? pressure rating?...

    dx? flooded? how many passes? pressure rating? nozzel size?

    there is more to it than just 200 ton
  32. Thread: Lithium Bromide

    by DFZ
    Replies
    5
    Views
    1,262

    loss of volume over the years during service,...

    loss of volume over the years during service, half gallon here and there for samples or repairs can add up over 16 years, water is added when chemicals are added such as inhibitors, you may not have...
  33. Replies
    141
    Views
    17,720

    UA Local 9 NJ

    UA Local 9 NJ
  34. Thread: Job Title Change

    by DFZ
    Replies
    9
    Views
    1,089

    it could also be for prevailing wage jobs, ...

    it could also be for prevailing wage jobs,

    that way when they get audited it shows you were payed appropriately to satisfy the prevailing wage rule, but your a mechanic so you probably should have...
  35. Replies
    6
    Views
    1,236

    depends on the age some of them were set with...

    depends on the age

    some of them were set with modular resistors that plugged in to the board
    the board read the resistance and converted it to amps.
  36. Thread: York IDC

    by DFZ
    Replies
    3
    Views
    609

    will this help

    will this help
  37. Replies
    16
    Views
    1,034

    blackfoot but it's only a small amount from way...

    blackfoot
    but it's only a small amount from way back,
    don't look the part.
  38. Thread: YORK ICE DDC

    by DFZ
    Replies
    4
    Views
    1,071

    the system is York ISN the software your...

    the system is York ISN
    the software your looking for is York ICE (Icon engineering)
  39. Thread: Fluke 4-20

    by DFZ
    Replies
    7
    Views
    708

    I bought one not too long ago, works great, don't...

    I bought one not too long ago, works great, don't have to put meter in series and disturb the operation, wouldn't trade it at all.
  40. Replies
    7
    Views
    3,155

    use a controller, set to always be unoccupied,...

    use a controller, set to always be unoccupied, have a space sensor on the wall with and occupied override switch, they hit the switch on the way in and get 4 hours of heat or cool, no switch hit no...
  41. Thread: Linux

    by DFZ
    Replies
    3
    Views
    602

    Linux

    I've started playing with Linux lately. Just curious if there are any communications programs that are Linux based for playing with controls.

    Thanks
    Doug
  42. Replies
    13
    Views
    5,232

    thank you

    thank you
  43. Replies
    8
    Views
    823

    check the internal discharge reliefs under the...

    check the internal discharge reliefs under the heads. we had a couple mess up on an R compressor, may funny noise and ran high temps on discharge, otherwise it ran fine, and gave tonnage

    Doug
  44. Replies
    60
    Views
    36,764

    sounds more like a defective tech than a...

    sounds more like a defective tech than a defective part
  45. Replies
    12
    Views
    2,053

    thanks

    thanks
  46. Thread: Frick screw quiz

    by DFZ
    Replies
    2
    Views
    560

    RWB means red white blue, it was designed in 1976...

    RWB means red white blue, it was designed in 1976 during the bicentennial

    dont remember the story to the other
  47. Replies
    14
    Views
    1,991

    but if the valves are working right they will...

    but if the valves are working right they will maintain the 35% target level but you will feed thru an open economizer valve if it is stuck, sending gas to the midstage at any speed.

    also how many...
  48. Replies
    14
    Views
    1,991

    check the economizer, it feeds into the midstage...

    check the economizer, it feeds into the midstage of the screw, if your economizer solinoid is stuck open you'll feed when your not supposed to and can liquid slug to the midstage
  49. some of the old ys chillers had a mechanical low...

    some of the old ys chillers had a mechanical low pressure switch in addition to the micro cutting out on low pressure, is it the mechanical trip or the micro trip.

    are you in chilled water mode or...
  50. Replies
    6
    Views
    914

    I've seen some CX-TDCE 9 installed to do head...

    I've seen some CX-TDCE 9 installed to do head pressure control on Centrifugal chillers, to control a modulating condenser water valve. the tdce will monitor head pressure and modulate the valve.
    ...
Results 1 to 50 of 126
Page 1 of 3 1 2 3
Comfortech Show Promo Image

Related Forums

Plumbing Talks | Contractor Magazine
Forums | Electrical Construction & Maintenance (EC&M) Magazine
Comfortech365 Virtual Event