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Type: Posts; User: olc

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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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    2,549

    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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    1
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    434

    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
    Replies
    6
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    1,311

    Thanks for the info.

    Thanks for the info.
  8. Thread: Condensate Sensor

    by olc
    Replies
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    1,311

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

    Anyone know of a simple condensate sensor for a secondary drain pan.
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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?
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    645

    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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    540

    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...
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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...
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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...
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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?
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