Search:

Type: Posts; User: andrewd33

Page 1 of 4 1 2 3 4

Search: Search took 0.01 seconds.

  1. A staged condensing gas fired furnace will always...

    A staged condensing gas fired furnace will always be more efficient than a hydronic coil, even if attached to a high efficiency boiler. The efficiency comes from the flue gases being condensed. In...
  2. Replies
    13
    Views
    906

    The cost of all of the foamy beer and the pour...

    The cost of all of the foamy beer and the pour off on each pour will certainly exceed the cost for a small glycol package or "power-pak" as they call them. They usually include a circulator pump...
  3. Thread: Manitowoc

    by andrewd33
    Replies
    25
    Views
    1,585

    Scotsman has a good tech support line. They...

    Scotsman has a good tech support line. They answer the phone and are helpful.
  4. Abco Totowa NJ

    Next Tuesday Nov. 19 Totowa NJ. I sent in my form I just have to call over to pay the $35. and it includes dinner too!

    Are you going? Where are you from.

    Thanks for the 1-800 number...
  5. Thank You

    Thanks for the info. That has much more troubleshooting info on it than the on-line one I got from Scotsman website. This machine is always a bit tempermental. Usually once I get it running though...
  6. Scotsman CME technicians troubleshooting guide. Anyone have?

    I think I have a bad board on an older CME456A cuber. I only have the online available troubleshooting guide and I would like to confirm the board is bad before I go and buy a new Universal...
  7. I'm glad I'm not the only one who collects hvac memorabilia!

    I can't bring myself to throw away a vintage nameplate or thermostat. The techs all know to bring vintage branded tstats metal logos etc to me! I have the Brady bunch Lennox chrome tstat that was...
  8. As an HVAC tech and a family that owns a...

    As an HVAC tech and a family that owns a restaurant, we have always had luck with Jackson machines. Our first restaurant that we no longer own still has their original Jackson faspray robot machine...
  9. Replies
    32
    Views
    2,329

    Best Replacement Ice Machine

    I am mostly air conditioning and heating here, but need to recommend and install a replacement ice machine for someone. Will be replacing a Hoshizaki machine. the second water pump bad and pump is...
  10. Replies
    25
    Views
    4,285

    It depends on how low you can set the outdoor...

    It depends on how low you can set the outdoor reset curve. I live in NJ and my boiler water temp hasn't gone above 130 this winter. I had an old Am. Std 1951 boiler prior to my Triangle Tube boiler...
  11. I replaced the RTU in December. I don't think...

    I replaced the RTU in December. I don't think the kitchen exhaust / mua was ever set up properly. In the winter with the exhaust and the muas running the building was always in a negative pressure,...
  12. Looking for an experienced hood person that can...

    I am a sales and design consultant and my family owns a restaurant. I do most of the hvac maintenance on the a/c and ice machines. We have a refer guy that does refer because I will only clean...
  13. Response to both hvac wiz 79 and dan

    is the timer setting on the dip switches or on a dial on the board. I really didn't look yet. Next time I go back I would consider shortening the harvest after 48 degrees because it stayed in...
  14. All Clean and working great now!

    I adjusted the float and it is working pretty good. I timed the freeze / harvest and it seemed longer than the Scottsman I service in the basement for them. It was 27 minutes freeze and a bit more...
  15. Thanks

    That saves me the time to read through the tech manuals. I don't do much refrigeration, except for relatives! LOL
  16. Hoshizaki KM280MAF- board change=smaller cubes

    I just changed the board out on a relatives ice machine in their restaurant. It was the improved E board already in there replaced with the improved E board with the last number a 2 instead of a 1...
  17. Replies
    23
    Views
    2,917

    Check the vinyl inlet tube into the fill resovoir

    I have had where the water pressure jumps the vinyl fill tube at the resovoir out slightly and the the water only partially enters the resovoir and partially spills into the bin or base of the...
  18. Replies
    9
    Views
    1,678

    It is the high heat output 240,000 BTUs

    I don't work on too much commercial. I am a residential guy. This unit was just put in my family's restaurant. It is a great unit. I like it so far. It has the Prodigy controller. I am more...
  19. Replies
    9
    Views
    1,678

    I know the negative pressure is a problem

    I was afraid to push the o/a up too high as i figured it could kill the heat exchanger I assume the staging should stay as jumped now if I increase outside air to prevent condensation in HE. First...
  20. Replies
    9
    Views
    1,678

    There are 2 untempered MUAs

    We have 2 untempered MUA units in this building along with 2 upblast exhaust fans. This is a captive air hood with short circuit MUA. I know the MUA is never 100% of the total exhaust so that...
  21. Replies
    9
    Views
    1,678

    Lennox LGH120 Blower speed Adjustment

    Are there any airflow adjustments that can be made to slow the fan down during first stage heating. The discharge air on this unit is too cool during first stage operation and is generating...
  22. Replies
    58
    Views
    4,422

    I don't think we experience more HE failures than anyone else, but

    After reading the posts here and having people say that 4 years is good for a Carrier heat exchanger on a RTU, I think then there is something in the MFR process that is going wrong. I know there...
  23. Replies
    29
    Views
    1,777

    Gas vs electric rates

    I am in Northern NJ about 16 miles west of NYC. We are paying about $1.25 for a therm of nat gas and we pay about 16 cents / kW in the winter for electric. I guess you would have to look at the...
  24. Replies
    58
    Views
    4,422

    Rooftop Heat Exchanger Failure Causes???

    As a kid when I worked at my first HVAC job and didn't know anything I remember my boss telling me... "You never install the evaporator coil before the heat exchanger"... it will rot it out!

    As I...
  25. Replies
    159
    Views
    18,017

    The 57 year old house with slab ductwork is most...

    The 57 year old house with slab ductwork is most likely Transite... (Asbestos) ducting. I have seen round tubes run through the slab hacked in where a floor supply was. It was in my cousins house. ...
  26. Replies
    21
    Views
    1,236

    They usually provide a wire in the instruction...

    They usually provide a wire in the instruction book that has a connector that will attach to the pressure switch. I don't really like that design since the hum will only energize during inducer...
  27. Replies
    29
    Views
    1,777

    The vent kit is used as a way to keep the chimney...

    The vent kit is used as a way to keep the chimney drafting all the time so it stays warm enough to prevent the flue gases from condensing on an exterior chimney. Since you didn't put the 95% furnace...
  28. Replies
    17
    Views
    2,078

    Most restaurants in negative pressure anyway

    Most restaurants are usually under a pretty big negative pressure even though theory states that you are supposed to make up the balance of the mua through the HVAC. The kitchen hoods will most...
  29. Replies
    38
    Views
    7,217

    I never heard of Bitzer until I was in Barcelona...

    I never heard of Bitzer until I was in Barcelona a few weeks ago. I am not in refer though,just HVAC, but I met someone who did hvac in Spain and he was asking me what compressors are most popular...
  30. Replies
    11
    Views
    1,753

    I will check that. I didn't see that there was a...

    I will check that. I didn't see that there was a light for the curtain on the board. If the light is in the static on or off position would that confirm that the switch is bad. I have watched...
  31. Replies
    11
    Views
    1,753

    I already cleaned the evap and the bin. The...

    I already cleaned the evap and the bin. The machine made 3 good batches of ice. If at any time during the harvest I move the curtain it stays in harvest. The ice drops relatively quickly once...
  32. Replies
    11
    Views
    1,753

    Thanks, I am guessing that round piece is what...

    Thanks, I am guessing that round piece is what moves to the right hand side. Once out I am imagining that there is a molex on it or does the new switch get wired direct to the board? I will call...
  33. Replies
    11
    Views
    1,753

    Manitowoc BYO150W Curtain switch help.

    I recently changed a water cooled ice machine to a modular air cooled machine for cabling co. that provides ice and large thermos with water for their trucks and so field employees stay hydrated....
  34. Air cooled, remote condenser better maybe

    If your store is air conditioned and you will be discharging condenser air into the store your air conditioner has to be sized to handle the additional load of the freezer. By how much would be...
  35. Thread: Kold Draft

    by andrewd33
    Replies
    39
    Views
    3,015

    Ice shape nostalgia!!

    Now it seems the only ice shapes are the crescent from Hoshizaki or the Manitowic / IOM / Scotsman new with those whole sheet half dice or full dice cubes. I never liked the Manitowic cube styles. ...
  36. Thread: Kold Draft

    by andrewd33
    Replies
    39
    Views
    3,015

    Big Cubes comeback for Singlemalts etc.

    I know the big wave back in the day was the cubes that nestled like the hosizaki crescent and the Scotsman contour cube, but real whisky and single malt etc high end liquors don't become so diluted...
  37. White Rodgers/Emerson Big Blue Commerical Problems

    Besides the manual missing one of the programming step descriptions
    "CO" on or off (what is that, no reference in the manual or online manual, the fan program language is very vague.

    Trying to...
  38. Replies
    3
    Views
    535

    Medium Temp ductable refrigeration coil

    Hey guys, we are mostly an a/c company but we get the occassional request for a wine cellar temperature control system. We have found some direct sell outfits on the internet but the prices are...
  39. Replies
    4
    Views
    6,830

    Thanks so much

    One of my co-workers is replacing a condenser and coil on this furnace and wants to go from 3 tons to 4 tons. My answer was to change the old beast out. The people evidentally are cheap. I told...
  40. Replies
    4
    Views
    6,830

    Snyder General Furnace Model Numbers

    Anyone out there familiar with the nomenclature of Snyder General /Comfortmaker furnace numbers. I have a customer that has an
    OGHA100A016BN natural gas furnace. I am trying to figure out if the...
  41. Replies
    20
    Views
    1,977

    That's cool. selling foreign stuff deserves a ribbing

    Me being conservative and pro-american, I agree that we should try to sell domestic products when we can. We are Trane dealers at my company and Thank God that is still made here and something to be...
  42. Replies
    20
    Views
    1,977

    Thanks again Guys.

    It will be nice and easy to get her good and clean if disconnect her and bring her outside and give her the deluxe cleaning package with the shammy wax (LOL) since it has been 8 months since her...
  43. Replies
    20
    Views
    1,977

    Nope it is resuming where it left off.

    I will check the condensing coil. Sometimes it looks clean but the grease from the kitchen air restricts it. Right now it is still working, and I started up the Scottsman and as much as I hate that...
  44. Replies
    20
    Views
    1,977

    Hoshizaki Intermitant Issue

    KM280MAF air cooled ice machine has worked great but I noticed it has been intermittantly stopping in the middle of the freeze cycle and then starting up again, a couple times it will remain off for...
  45. Replies
    15
    Views
    1,190

    TXVs on all equipment are failing now!

    All manufacturers are using TXV from China now and they are failing in HVAC units very periodically. It is happening in all of the brands we sell too!
  46. Replies
    9
    Views
    1,993

    Everest Brasil

    I have seen Everest Ice machines in Brasil. They are cool. They are smaller capacity machines ( 150-1000 lbs/day) but they make the Vogt style tube ice cubes.
  47. Replies
    4
    Views
    4,034

    Thanks for your reply.

    Thanks for your help. I downloaded that and I will go back up on the roof on Saturday. I guess I need to get those checkout resistors. BTW right now the linkage isn't connected since I just...
  48. Replies
    4
    Views
    4,034

    York Economizer RTU trouble

    I am more on residential side of business than commercial, but trying to get an economizer to work in a building I own.
    York DDUC120N245A. 10 Ton package unit with gas heat and honeywell economiser...
  49. Replies
    17
    Views
    1,855

    Air balancing can make a huge difference

    If you have a hood that takes out 1200-1500 CFM and no make up air you are very likely introducing that amount of outside air into the conditioned space. If it is only five tons and your make up air...
  50. NJ Contractor Looking to refer friend to NYC contractor

    I am a NJ contractor looking to refer a friend to a reputable NYC / Brooklyn residential contrator to advise them on system replacement. Although we are only 28 miles from NYC I don't do sidejobs...
Results 1 to 50 of 151
Page 1 of 4 1 2 3 4
Comfortech Show Promo Image

Related Forums

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