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Subject Author Date
Honeywell Electronic Air Cleaner Question jhurlbut 09-19-2007
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Posted by CJT on September 22, 2007, 7:37 pm
Tony Hwang wrote:

> Zyp wrote:
>
>> Tony Hwang wrote:
>>
>>> jhurlbut@gmail.com wrote:
>>>
>>>> Hi, I have a Honeywell Electronic Air Cleaner in my home. Model
>>>> Number F300A. The unit was installed when the home was built (2006)
>>>> and sits on top of a Trane XB80 Downdraft Gas Furnace. I've noticed
>>>> a number of times that the orange power light to the unit is not on
>>>> and the "test" button does not function. This is true whether or
>>>> not the furnace is running. The power to it is supplied by a 120V
>>>> power cord and is plugged into the outlet directly beside the
>>>> furnace. Power to the outlet is fine and not controlled by any
>>>> timer switches so I know there is power to the outlet 100% of the
>>>> time. My question is: Shouldn't the electronic air cleaner be on
>>>> 100% of
>>>> the time? Since it seems to be a wholly separate unit from the
>>>> furnace, it has no mechanism to detect if the furnace is on or not.
>>>> So shouldn't the orange power light be on all the time and the test
>>>> button function as well? When the power light IS on, I can hear it
>>>> zapping debris and the test button functions correctly.
>>>>
>>>> Thanks for any help.
>>>>
>>>> John
>>>>
>>>
>>> Hi,
>>> Typically they are connected to EAC terminals on the furnace logic
>>> cocntrol board. It is on only when fan is running. Mine is more than
>>> 10 years old and still works fine.
>>
>>
>>
>> So, Tony, what if his 'system' furnace doesn't have the nice "control
>> board?" What, if his system utilizes just the orignal spark ignition
>> system without the 'nice control' board?
>>
> Hi,
> House was built in 2006. If EAC terminal is not present, feed it from
> blower motor power terminal. Common sense.

Most blowers are multi-speed, so there isn't one terminal.

--
The e-mail address in our reply-to line is reversed in an attempt to
minimize spam. Our true address is of the form che...@prodigy.net.

Posted by on September 22, 2007, 10:49 pm


> Hi,
> House was built in 2006. If EAC terminal is not present, feed it from
> blower motor power terminal. Common sense.


Since when do they run on common sense?



Posted by Zyp on September 23, 2007, 12:43 am
Tony Hwang wrote:
> Zyp wrote:
>
>> Tony Hwang wrote:
>>
>>> jhurlbut@gmail.com wrote:
>>>
>>>> Hi, I have a Honeywell Electronic Air Cleaner in my home. Model
>>>> Number F300A. The unit was installed when the home was built
>>>> (2006) and sits on top of a Trane XB80 Downdraft Gas Furnace. I've
>>>> noticed a number of times that the orange power light to the unit is
>>>> not on
>>>> and the "test" button does not function. This is true whether or
>>>> not the furnace is running. The power to it is supplied by a 120V
>>>> power cord and is plugged into the outlet directly beside the
>>>> furnace. Power to the outlet is fine and not controlled by any
>>>> timer switches so I know there is power to the outlet 100% of the
>>>> time. My question is: Shouldn't the electronic air cleaner be on
>>>> 100% of the time? Since it seems to be a wholly separate unit
>>>> from the furnace, it has no mechanism to detect if the furnace is on or
>>>> not.
>>>> So shouldn't the orange power light be on all the time and the test
>>>> button function as well? When the power light IS on, I can hear it
>>>> zapping debris and the test button functions correctly.
>>>>
>>>> Thanks for any help.
>>>>
>>>> John
>>>>
>>>
>>> Hi,
>>> Typically they are connected to EAC terminals on the furnace logic
>>> cocntrol board. It is on only when fan is running. Mine is more than
>>> 10 years old and still works fine.
>>
>>
>> So, Tony, what if his 'system' furnace doesn't have the nice "control
>> board?" What, if his system utilizes just the orignal spark
>> ignition system without the 'nice control' board?
>>
> Hi,
> House was built in 2006. If EAC terminal is not present, feed it from
> blower motor power terminal. Common sense.

Nice Tony;

But one itsy bittsy problem. When on cooling, you have a EAC connected to
one speed. When on heating you have what? No EAC connected? Or do you
connect it to both? Hmmm I see a problem. Particularly if you *let the
factory smoke out.*

Not so "common cents" now is it? Or is it?

--
Zyp



Posted by Bubba on September 23, 2007, 9:54 am

>Tony Hwang wrote:
>> Zyp wrote:
>>
>>> Tony Hwang wrote:
>>>
>>>> jhurlbut@gmail.com wrote:
>>>>
>>>>> Hi, I have a Honeywell Electronic Air Cleaner in my home. Model
>>>>> Number F300A. The unit was installed when the home was built
>>>>> (2006) and sits on top of a Trane XB80 Downdraft Gas Furnace. I've
>>>>> noticed a number of times that the orange power light to the unit is
>>>>> not on
>>>>> and the "test" button does not function. This is true whether or
>>>>> not the furnace is running. The power to it is supplied by a 120V
>>>>> power cord and is plugged into the outlet directly beside the
>>>>> furnace. Power to the outlet is fine and not controlled by any
>>>>> timer switches so I know there is power to the outlet 100% of the
>>>>> time. My question is: Shouldn't the electronic air cleaner be on
>>>>> 100% of the time? Since it seems to be a wholly separate unit
>>>>> from the furnace, it has no mechanism to detect if the furnace is on or
>>>>> not.
>>>>> So shouldn't the orange power light be on all the time and the test
>>>>> button function as well? When the power light IS on, I can hear it
>>>>> zapping debris and the test button functions correctly.
>>>>>
>>>>> Thanks for any help.
>>>>>
>>>>> John
>>>>>
>>>>
>>>> Hi,
>>>> Typically they are connected to EAC terminals on the furnace logic
>>>> cocntrol board. It is on only when fan is running. Mine is more than
>>>> 10 years old and still works fine.
>>>
>>>
>>> So, Tony, what if his 'system' furnace doesn't have the nice "control
>>> board?" What, if his system utilizes just the orignal spark
>>> ignition system without the 'nice control' board?
>>>
>> Hi,
>> House was built in 2006. If EAC terminal is not present, feed it from
>> blower motor power terminal. Common sense.
>
>Nice Tony;
>
>But one itsy bittsy problem. When on cooling, you have a EAC connected to
>one speed. When on heating you have what? No EAC connected? Or do you
>connect it to both? Hmmm I see a problem. Particularly if you *let the
>factory smoke out.*
>
>Not so "common cents" now is it? Or is it?


Tony's got it figured out though. He still has the old belt drive
motor with only one speed and the old Honeywell fan and limit with the
plastic window hanging on the outside of the plenum.
Yup, he gotz it all fiqured outs.
Bubba

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