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  1. Replies
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    Downflow Miller furnace problem.

    A downflow Miller (CMF100) furnace is installed in a manufacturered home. The owner is south for the winter and the thermostat is set low. The furnace is cycling and not heating.
    Here is what I...
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    For that matter, if it is a problem, they could...

    For that matter, if it is a problem, they could add an inaccessible heating only thermostat in parallel set at 40 deg.
    I am probably thinking too much.
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    Thanks for the input. I was looking for a cheap...

    Thanks for the input.
    I was looking for a cheap easy solution.
    I could easily do something with monitoring or a central T/C system.
    I do not know where I would spend the money if it were my...
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    Thanks. beenthere - Do you mean the Pro 3000 or...

    Thanks.
    beenthere - Do you mean the Pro 3000 or the Focus Pro 5000?
    My real question is: Can any of these manual changeover thermostats protect against low temperature if they are left off or in...
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    What is a simple non-programmable thermostat for...

    What is a simple non-programmable thermostat for rental townhouses? Should I use a auto changeover so there is no chance of the heat getting left off (they are student apartments).
  6. Thread: Oval BVent noise?

    by olc
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    522

    Ant one use oval bvent? Do you have a problem...

    Ant one use oval bvent? Do you have a problem with noise due to thermal expansion?
  7. Thread: Condensate Sensor

    by olc
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    1,443

    Thanks for the info.

    Thanks for the info.
  8. Thread: Condensate Sensor

    by olc
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    1,443

    Anyone know of a simple condensate sensor for a...

    Anyone know of a simple condensate sensor for a secondary drain pan.
  9. Replies
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    The fuel gas code (NY version) prohibits bvent...

    The fuel gas code (NY version) prohibits bvent connectors going through a fire rated wall. An exception allows bvents through combustible material wall with the required clearance. Does that mean it...
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    johnsp's idea would probably screw up the...

    johnsp's idea would probably screw up the operation of the barametric damper.
    Has anyone used the Skuttle diffuser?
  11. Replies
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    Existing basement has a oil fired furnace. The...

    Existing basement has a oil fired furnace. The basement is only under part of the house. Now it is an un-confined space. We are adding a oil fired furnace for an addition. The basement will no longer...
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    Can anyone speak about the practical difference...

    Can anyone speak about the practical difference between a Honeywell M7210 economizer module with damper actuators and a Honeywell M7415 damper actuator with standard accessories?
    e.g. what is the...
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    Thanks. Just what I was looking for.

    Thanks. Just what I was looking for.
  14. Replies
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    Just an update in case anyone is interested: The...

    Just an update in case anyone is interested:
    The installation is working fine this winter.
    Due to space limitations the duct was not extended behind and under the server cabinets. It is ducted to...
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    555

    I am aware of the new SEER requirements for...

    I am aware of the new SEER requirements for equipment. But it has all been hearsay. Can any one point me to a reference that spells out exactly what the new requirements are?
    Either tha actual law...
  16. Replies
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    It was hard to tell what was hitting what. I do...

    It was hard to tell what was hitting what. I do think it may have been the cooling fan hitting the guard. It only happened when the wieght of the motor was pulling down a little. I think it is good...
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    The motor mounting screws were a little loose. I...

    The motor mounting screws were a little loose.
    I am not sure what was hitting what, but tighting the screws helped.
  18. Replies
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    Fraser-Johnston PAKU-LD12N080A. The induced draft...

    Fraser-Johnston PAKU-LD12N080A. The induced draft fan (not the main fan)makes a ping that sounds like something is hitting with every revolution. You can hear it when the fan starts and when it...
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    The original thermostat was replaced with an...

    The original thermostat was replaced with an identical one by the furnace installing contractor.
    Hopefully there is no longer a problem.
  20. Replies
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    Did you miss the word new. It was installed...

    Did you miss the word new. It was installed yesterday.
    It turns out the problem was the old thermostat.
    Replaced the thermostat and so far so good.
  21. Replies
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    A new Amana furnace is cycling. It seems to be...

    A new Amana furnace is cycling. It seems to be working OK except the burer cycles off before the thermostat is satisfied and the starts over again. I did not time the on or off but it is pretty...
  22. Replies
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    What exactly can and can not be connected to an...

    What exactly can and can not be connected to an existing tile lined masonry chimny (chimney inside the house)?
    Right now two furnaces and two water heaters, all with draft hoods are connected. Can a...
  23. Replies
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    I have an old furnace in which the fan was not...

    I have an old furnace in which the fan was not starting (all of a sudden). It was going through the cycle like it should except the fan would not start and the burner would go off on high limit, cool...
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    I am looking for a good simple performance...

    I am looking for a good simple performance specification for design/build HVAC for light commercial (tenant buildout of a small strip plaza).
    Northern climate if that makes a difference.
    It will...
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    I am in upstate NY and not really familiar with...

    I am in upstate NY and not really familiar with southern PA winters. Do heat pumps with electric (or gas?) back-up work out well there?
  26. Replies
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    What furnace would you put in your house? I am...

    What furnace would you put in your house? I am more familiar with the major brands (York, Trane, Carrier). What smaller brands (i.e. less marketing cost) make a good product?
  27. Replies
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    John - exactly which TWE060 gives you the 42,560...

    John - exactly which TWE060 gives you the 42,560 sensible?

    I have been assured that the TTP is readily available. Expect the model numbers to change soon (due to the R-410A lines).

    I have...
  28. Replies
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    I want to use the simplest (meaning most...

    I want to use the simplest (meaning most reliable)thermostat I can find. But I want to be able to adjust the compressor off time and if possible the differential.
  29. Replies
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    Trane does publish specific data for combinations...

    Trane does publish specific data for combinations of equipment.
    It looks like a TTP060 with a TWE060C at 72/59 EAT has a sens. capacity of 40,000btuh at 2200CFM.
    A TTP060 with a TWE063P is a little...
  30. Replies
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    I want to use the TTP because I want to use...

    I want to use the TTP because I want to use 480V/3Ph but that is not my only option. I will check on the availibilty here.
    At a high air flow and high SHR ratio (low entering wet bulb), the sensible...
  31. Replies
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    Structural heat load? Do you mean building loads...

    Structural heat load? Do you mean building loads (e.g. walls)? As I said it is minimal and included. It is a closed room in the basement with no people and the lights off. The exterior design WB is...
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    For our space the load is 45,000btuh (all...

    For our space the load is 45,000btuh (all sensible). This is based on the max. heat disipation for the equipment, (very minimal) space load, and about 15% future equipment (which with the...
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    A 5 ton split system with piping longer than 50...

    A 5 ton split system with piping longer than 50 or 100 feet. The indoor piping will be above a lay-in ceiling with minimal room and the outdoor piping wants to be be installed neatly parallel to the...
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    tpa-fl - Thankyou, Thankyou, Thankyou. I did...

    tpa-fl - Thankyou, Thankyou, Thankyou.
    I did not find that info when I was looking through the dell site. Very useful.
    We have Poweredge 2850 servers. I do not know yet if the UPS has output...
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    is the flooring concrete? Yep.

    is the flooring concrete? Yep.
  36. Replies
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    OK, you asked for it. I have a similar server...

    OK, you asked for it.
    I have a similar server room (similar to the FL server Rm that started the "War and Peace" thread). The difference is that it is in a basement and it is in upstate NY. We plan...
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    OK I have a similar server room. The difference...

    OK I have a similar server room. The difference is that it is in a basement and it is in upstate NY. We plan on using a Trane TWE AHU with a thermo expansion valve and TTP cond. unit with a 0F low...
  38. Thread: Multi input relay

    by olc
    Replies
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    1,714

    Thanks ruud-man. That is what I have in mind. I...

    Thanks ruud-man.
    That is what I have in mind. I was just wondering if there was something packaged that would do the job.
  39. Thread: Multi input relay

    by olc
    Replies
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    1,714

    The light switches with be occupancy sensors and...

    The light switches with be occupancy sensors and I do not want the lights in all rooms to turn on when one switch is on. I do not want separtate fan switches.
  40. Thread: Multi input relay

    by olc
    Replies
    6
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    1,714

    Does this exist? A multi input relay that...

    Does this exist? A multi input relay that controls one contact with 3 inputs? Or a packaged system of 3 relays that does the same thing?
    The purpose is to control one 120V exhaust fan from any of...
  41. Replies
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    serverroomcooling - I do not know if you are...

    serverroomcooling - I do not know if you are still around - I have been reading this thread with great interest.
    I have similar situation. The load is very similar. The biggest difference is that I...
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    754

    Does any one make a 1 ton ductless split system...

    Does any one make a 1 ton ductless split system that uses R-410A?
  43. Replies
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    Has anyone here used CO levels to contol the...

    Has anyone here used CO levels to contol the ventilation air to an auto service area or a parking garage?
  44. Thread: Burnham Furnaces

    by olc
    Replies
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    1,467

    Burnham forced air furnace. They were well used...

    Burnham forced air furnace. They were well used in 1987.

    [Edited by olc on 04-15-2005 at 05:19 PM]
  45. Thread: Burnham Furnaces

    by olc
    Replies
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    I am afraid to ask but: I have two burnham...

    I am afraid to ask but: I have two burnham furnaces: Mod. BGH-75XD/Ser. 5-LV100 (L may be a I) & Mod. BGH-100X/Ser. 6-HU100. Anyone know when they were built? Maybe I should ask, assuming they are no...
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    My sister-in-law is buying a house with an older...

    My sister-in-law is buying a house with an older furnace (maybe 20 years). I own a rental property with two older furnaces (more than 20). If it is not broken, don't fix it. But - I do not want to...
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    Thanks for all the info. Very helpfull. In our...

    Thanks for all the info. Very helpfull. In our case there is a ventilation heat exchanger which will have two dampers (outside air and exhaust air). Also there are a couple relays to disable the heat...
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    Thanks. There will be ventilation with heat...

    Thanks.
    There will be ventilation with heat recovery. I do not think they will go for (the cost of) any hot water.
  49. Replies
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    We are doing a new car dealership in upstate NY....

    We are doing a new car dealership in upstate NY. There is a wash bay that is also the entry the the service area. This area is fairly high traffic and open. The service garage has an entry through...
  50. Thread: Carrier 58STA

    by olc
    Replies
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    3,862

    It's not for a home. It is to be installed in an...

    It's not for a home. It is to be installed in an attic and serve a office area.
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