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  1. Replies
    10
    Views
    3,859

    Yes there was a mistake, The guy at the parts...

    Yes there was a mistake, The guy at the parts counter got something wrong.
    His manager got the right price and it was reasonable. Im glad I posted because when he told me that I asked him to double...
  2. Replies
    10
    Views
    3,859

    Trane Voyager Heat Exchanger

    We condemned the heat exchanger in a 13 yr old 10 ton Voyager. I called Trane parts to get a price to send a quote to our customer, They want over
    $10,000 for it. I cant believe what Im hearing....
  3. Replies
    2
    Views
    592

    I would use the process of elimination. Maybe its...

    I would use the process of elimination. Maybe its the in the economiser and
    trips on cool mornings. Have you checked economiser operation? I have found
    shorts in the bundle of wire running through...
  4. Replies
    4
    Views
    815

    I would use the Lennox oem replacment parts to...

    I would use the Lennox oem replacment parts to save time and to be sure its repaired to factory specification. But you will likley need the heat package M# if you call Lennox
  5. Thread: Viconics.

    by ac/dc
    Replies
    3
    Views
    667

    Is it Columbus Ohio? Col. Temperature Control on...

    Is it Columbus Ohio? Col. Temperature Control on 5th ave should be able to get you the Viconics control you need. You can have it next day shipped
  6. Replies
    8
    Views
    1,099

    I dont see anything wrong with the idea of a splt...

    I dont see anything wrong with the idea of a splt system with 6 zones. If the
    load calc. calls for 2.5 tons so be it. A good zone system installed properly
    will serve well in this application. It...
  7. Thread: cfm

    by ac/dc
    Replies
    14
    Views
    1,901

    I would measure the cfm at supply defusers to see...

    I would measure the cfm at supply defusers to see what is being delivered.
    I would also traverse the supply duct to see what the air handler is actually
    putting out. I would assure the filters and...
  8. Replies
    10
    Views
    1,212

    What are the problems your having. Is the supply...

    What are the problems your having. Is the supply air staying around 55 ?
    I assume you need to dehumidify the rooms. Is there adequate ducted returns for these rooms? I would consider a stand alone...
  9. Replies
    9
    Views
    911

    Thanks for the replies guys. I spent some more...

    Thanks for the replies guys. I spent some more time investigating this. Using
    a sheet of paper from my note pad and smoke I determined the exact place
    the water is getting in. The door gaskets are...
  10. Replies
    9
    Views
    911

    Water inside Lennox L-Series

    Water leaking indoors was the complaint. These are 15 and 20 ton L Series.
    I determined the water is being drawn into the blower compartment (durring
    heavy rain) around the door. These units are...
  11. Replies
    5
    Views
    1,247

    Yes I have! I have replaced at least 6 all...

    Yes I have! I have replaced at least 6 all within the 1 yr warranty. Its a
    stupid engineering mistake that will cost building owners and tennants alot
    of money. And I get to be the guy in front...
  12. Thread: Trane Voyager

    by ac/dc
    Replies
    11
    Views
    1,454

    I thought gas would not flow unless there is a...

    I thought gas would not flow unless there is a negitive pressure at the outlet
    of the valve. That is why they dont need a saftey switch to prove the comb-
    ustion fan is running. If its not...
  13. Replies
    13
    Views
    1,587

    I would use one of the AH's xfmer to power the...

    I would use one of the AH's xfmer to power the stat and a relay in each of the other 3 pieces of equip. Each cond. and AH would use thier own xfmer
    Much simpler than trying to paralell xfmers which...
  14. You might be able to just install eggcrate grills...

    You might be able to just install eggcrate grills in the drop ceiling to solve the return air problem. the area above the ceiling serves as the return air plenum.
    No sheet metal needed. Many of the...
  15. Thread: trane voyager

    by ac/dc
    Replies
    12
    Views
    2,943

    Yes a/c is correct but what does that have to do...

    Yes a/c is correct but what does that have to do with
    the heat not working. Did you try heat op. in test mode?
  16. Thread: Expansion tank

    by ac/dc
    Replies
    15
    Views
    1,899

    By the stephen, where the expansion tank is...

    By the stephen, where the expansion tank is connected
    to the system is the point of no pressure change. The pump cannot change the pressue at this point. So it is desirable
    to pump away from the...
  17. Replies
    21
    Views
    1,797

    What size is the unit?? That 12x27 is actually...

    What size is the unit?? That 12x27 is actually 10x25
    because of the isulation liner. That looks like a 7.5 ton
    or maybe 10.My ductulator is in the truck but Im pretty
    sure 10x25 wont even handle...
  18. Replies
    7
    Views
    984

    Caulk where the cap meets the liner? That makes...

    Caulk where the cap meets the liner? That makes sense
    Thanks
  19. Replies
    7
    Views
    984

    I got up there and chipped away all the loose...

    I got up there and chipped away all the loose stuff which
    was alot more than I thought. I noticed all the damage was
    around the flue cap. So i think is is due to the moisture
    in the heat...
  20. Replies
    7
    Views
    984

    Yes there is a ceramic liner. The chimney is for...

    Yes there is a ceramic liner. The chimney is for a gas
    fire place only. I found a place that has a polymer
    compound for repairing the cap. I thought I would reskim
    the entire cap and then use a...
  21. Replies
    7
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    984

    I noticed several cracked bricks on the top 3 ft...

    I noticed several cracked bricks on the top 3 ft of my
    chimney and a couple brick have lost the entire outer face.
    A roofer told me that water is penetrating the brick & morter and freezing causing...
  22. Thread: TRUCK AND TOOLS

    by ac/dc
    Replies
    28
    Views
    2,394

    We're a non union co. and we provide all of our...

    We're a non union co. and we provide all of our own tools
    except torch.,vac. pump,recovery,pwer tools,shop vac &
    hoses. They also cover repairs like new gauge or hoses etc
    I believe I have at...
  23. Replies
    17
    Views
    2,883

    On some Carrier package unit models there is a...

    On some Carrier package unit models there is a stainer screen on the outlet of the condenser coil. I would check
    for a temp. drop there and throughout the circuit before
    concluding the metering...
  24. Replies
    8
    Views
    1,036

    That makes sense to me. But is there a special...

    That makes sense to me. But is there a special flange with one side metal and one pvc? Seems that would work good.
    Why should it be Schedule 80? Im guessing it can tollerate
    more vibration and...
  25. Replies
    26
    Views
    3,125

    Its a problem that occurs durring econo....

    Its a problem that occurs durring econo. operation. Not when ventilating(min position). It seems we've lost Fonzy
    anyway. I would agree excessive fresh air
    would add to the problem and it should...
  26. Replies
    26
    Views
    3,125

    Do the 6 precidents have power ex. or barometric...

    Do the 6 precidents have power ex. or barometric relief dampers? What if you add power exhaust to the Voyagers?
    The relief dampers wont work if the return air duct poses
    more restriction to leaving...
  27. Replies
    8
    Views
    1,036

    I have to repair a leak in a building loop where...

    I have to repair a leak in a building loop where the
    chiller PVC piping ties into the building loop. It leaks
    at the threads of a 3in. pvc male adaptor. It is screwed into a brass body valve. With...
  28. Replies
    18
    Views
    2,010

    Wiz, The econo. was not set up for IAQ. I agree...

    Wiz, The econo. was not set up for IAQ. I agree mua would still be needed if a EF was used. The min pos. could be used to provide some mua but you cant count on the unit fan to be always on.
    I...
  29. Replies
    18
    Views
    2,010

    Thats very possible Ralph, There has been a hood...

    Thats very possible Ralph, There has been a hood over the oven at every other WG Grinders Ive been to and there certainly should be a hood over this one. That would serve them much better than a...
  30. Replies
    18
    Views
    2,010

    Found out we only did the shell installation.So...

    Found out we only did the shell installation.So the problem isnt ours and I wont get the oppurtunity to
    solve this.
    No there isnt an Ex fan or MUA.
    I dout if the door mechinism is the culprit....
  31. Replies
    18
    Views
    2,010

    I agree a power ex would solve the problem but...

    I agree a power ex would solve the problem but all the facts must be in order before you throw it back to the engineer. You know how they are never wrong.
    Core, I checked the door with the unit off...
  32. Replies
    18
    Views
    2,010

    I checked the fan, The sheave was not adjusted...

    I checked the fan, The sheave was not adjusted for max
    airflow and I will slow it down. The thing is Im not positive if we did the tennant finish and air bal. yet.
    Ill find out Mon. when I can get...
  33. Replies
    18
    Views
    2,010

    Ran a warranty call friday to a strip mall space...

    Ran a warranty call friday to a strip mall space occupied
    by a w.g. grinders sandwich shop. The doors would not close. Arriving I found excessive space pressure to be the problem. Checked the rtu (...
  34. Thread: carbon monoxide

    by ac/dc
    Replies
    2
    Views
    644

    Is it possible to reloate the Freshair intake?...

    Is it possible to reloate the Freshair intake? Charcoal
    may help the odor problem to some degree but wont stop co
    or co2 Fresh Air is important for indoor air quality and
    is required by code so I...
  35. Replies
    11
    Views
    3,039

    Is it possable the metering device used in heat...

    Is it possable the metering device used in heat mode has problems? The metering device for cooling is ok. I agree with weighing in the r22 and looking at water flow. Should be 10deg diff.in and out....
  36. Thread: Thermostat

    by ac/dc
    Replies
    6
    Views
    888

    I agree.. the vp8000 is my favorite. The...

    I agree.. the vp8000 is my favorite. The residential one is
    much cheaper. However I thought I read in its manual that
    it is powered by batteries even though it has a common.
    Have'nt actually...
  37. Replies
    3
    Views
    835

    we got them from Marvair in North Carolina

    we got them from Marvair in North Carolina
  38. Replies
    37
    Views
    2,943

    All good advice...but I feel compelled to repeat...

    All good advice...but I feel compelled to repeat this...
    Pack a sensible set of tools in a pouch or backpack or pull
    them up with a rope but ALWAYS use both hands for climbing.
    I have never fallen...
  39. Replies
    9
    Views
    1,452

    Ive serviced and installed dozens of Bard and...

    Ive serviced and installed dozens of Bard and Marvair on
    these cell tower structures and have never seen a fire damper requirement. I dont remember ever seing a F.D.in an
    outside wall of any...
  40. Thread: any one know?

    by ac/dc
    Replies
    9
    Views
    1,233

    Carriers 48HG or 50HG units (I forget which)have...

    Carriers 48HG or 50HG units (I forget which)have that option. We've installed several of them in vav applications
    They are Carriers higher end units with "comfortlink" controls. Nice units but...
  41. Thread: Warranty Labor

    by ac/dc
    Replies
    14
    Views
    1,422

    We have a great relationship with our Trane...

    We have a great relationship with our Trane office,We sell
    alot of Trane. We recently had a flat refrig circuit.Found
    leak in cond coil.I asked about labor reimbersment and I got a flat NO. Carrier...
  42. Replies
    32
    Views
    2,884

    I agree with wannabe,The pulse is probably the...

    I agree with wannabe,The pulse is probably the best 90%+
    out there. Shame they stopped making them. I would like to have one in my house. Ive serviced and installed dozens and
    it beats the other...
  43. Replies
    29
    Views
    2,831

    I agree with James, The pump will run constant in...

    I agree with James, The pump will run constant in 30F temps
    and below. Since you have gas aux heat I would set the bal
    point at 45F or so. At this temp the pump will lock out
    and the furn. will...
  44. Thread: Trane Heatpump

    by ac/dc
    Replies
    6
    Views
    1,010

    BBUCH, I agree both fans should be on in heat...

    BBUCH, I agree both fans should be on in heat mode always.
    Last I checked Trane doesnt use fan cycling for low ambiant
    cooling. The board uses the outdoor air sensor and cycles off the compressor...
  45. Replies
    9
    Views
    1,523

    Isthe space cold? The fan will cycle in this case...

    Isthe space cold? The fan will cycle in this case if it was temp. operated only but if the switch has a heater and 24V at heater the switch should stay closed. The wiring diagram symbols may show...
  46. Replies
    6
    Views
    736

    Well mrhvac.. Cant say I have a solution except...

    Well mrhvac..
    Cant say I have a solution except warmer indoor temp so
    the heat exch. isnt so cold. Is this moisture causing any
    problems aside from corrosion? Does it have the oem comb. blower in...
  47. Replies
    20
    Views
    1,886

    I was thinking lack of combustion air/maninifold...

    I was thinking lack of combustion air/maninifold presure.
    I can understand low return temp causing condensation but
    how does it cause sooting? havent seen that on this type of burner. Just curious ...
  48. Replies
    6
    Views
    736

    Sounds like maybe flue gas is condensatingon on...

    Sounds like maybe flue gas is condensatingon on the heat
    exch. before being exhausted. Does this rtu have a combustion blower? Is the indoor temp low? Is the manifold gas pres correct,
  49. Replies
    14
    Views
    2,956

    Did the time delays have that popular label on...

    Did the time delays have that popular label on them...MADE IN CHINA?
  50. Thread: t-stat Question

    by ac/dc
    Replies
    4
    Views
    852

    Tom, crab is right, there likley is 2...

    Tom, crab is right, there likley is 2 transformers in this
    application and you would jump rh and rc. sorry about that
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