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Posted by SR on February 21, 2007, 8:07 pm
the mua comes with a vent cap that connects to the flue box on top of heat
exchanger every thing was clear, We have had some very strong winds I was
wondering if the wind down the vent cap would roll out the flames and melt
the wiring,
> did you check for proper venting and make sure that the vent pipes are
> clean/clear??
>
>> 1. there are no flame roll out safeties
>> 2. replace wiring,
>> 3, checked over unit gas pressure, cfm, td across heatexchanger all ok,
>>
>>
>>>
>>>> We just installed two HFG4005MRLN2062 (MUA) after running or about
>>>> three weeks both units ignition wires melted to a bare wire, Wire
>>>> rated 205 degree C. Both units were running with proper gas pressures
>>>> and td across heat exchanger, The only thing I can think of was the
>>>> unit down drafted clauseing the flame to roll down and melt wiring,
>>>> anyone had the happen to them or any other ideas??
>>>
>>> Call a *competent*, licensed, insured, professionally trained, HVAC
>>> technician to....
>>> 1) find out why the rollout safeties failed
>>> 2) find out why the flame rollout occured in the first place
>>> 3) correct the problems and replace the burnt wiring
>>> 4) correctly set up the heaters to operate as they were designed
>>>
>>>
>>
>>
>
>
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Posted by on February 21, 2007, 8:23 pm
>1. there are no flame roll out safeties
>2. replace wiring,
>3, checked over unit gas pressure, cfm, td across heatexchanger all ok,
>
no flame roll out safeties? lots of unanswered questions remain....
How about posting a link to the equipment you installed.
>
>>
>>> We just installed two HFG4005MRLN2062 (MUA) after running or about
>>> three weeks both units ignition wires melted to a bare wire, Wire
>>> rated 205 degree C. Both units were running with proper gas pressures
>>> and td across heat exchanger, The only thing I can think of was the
>>> unit down drafted clauseing the flame to roll down and melt wiring,
>>> anyone had the happen to them or any other ideas??
>>
>> Call a *competent*, licensed, insured, professionally trained, HVAC
>> technician to....
>> 1) find out why the rollout safeties failed
>> 2) find out why the flame rollout occured in the first place
>> 3) correct the problems and replace the burnt wiring
>> 4) correctly set up the heaters to operate as they were designed
>>
>>
>
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Posted by Bubba on February 21, 2007, 7:25 pm
On 21 Feb 2007 15:00:54 -0800, S_RHODA@NETFLASH.NET wrote:
>We just installed two HFG4005MRLN2062 (MUA) after running or about
>three weeks both units ignition wires melted to a bare wire, Wire
>rated 205 degree C. Both units were running with proper gas pressures
>and td across heat exchanger, The only thing I can think of was the
>unit down drafted clauseing the flame to roll down and melt wiring,
>anyone had the happen to them or any other ideas??
>
>
>thanks
I once had an ice-cream melt while I was outside on a hot summer day.
It was awfully hot. I heard someone tell me to get in out of the hot
sun with that ice-cream cone. I went inside to the air conditioning
and it didnt melt anymore.
Does that help?
Bubba
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Posted by =?ISO-8859-1?Q?Tekkie=AE?= on February 21, 2007, 7:36 pm
Bubba wrote:
> On 21 Feb 2007 15:00:54 -0800, S_RHODA@NETFLASH.NET wrote:
>
>> We just installed two HFG4005MRLN2062 (MUA) after running or about
>> three weeks both units ignition wires melted to a bare wire, Wire
>> rated 205 degree C. Both units were running with proper gas pressures
>> and td across heat exchanger, The only thing I can think of was the
>> unit down drafted clauseing the flame to roll down and melt wiring,
>> anyone had the happen to them or any other ideas??
>>
>>
>> thanks
>
> I once had an ice-cream melt while I was outside on a hot summer day.
> It was awfully hot. I heard someone tell me to get in out of the hot
> sun with that ice-cream cone. I went inside to the air conditioning
> and it didnt melt anymore.
> Does that help?
> Bubba
Just too inviting...
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Posted by Oscar_Lives on February 21, 2007, 11:42 pm
> Bubba wrote:
>> On 21 Feb 2007 15:00:54 -0800, S_RHODA@NETFLASH.NET wrote:
>>
>>> We just installed two HFG4005MRLN2062 (MUA) after running or about
>>> three weeks both units ignition wires melted to a bare wire, Wire
>>> rated 205 degree C. Both units were running with proper gas pressures
>>> and td across heat exchanger, The only thing I can think of was the
>>> unit down drafted clauseing the flame to roll down and melt wiring,
>>> anyone had the happen to them or any other ideas??
>>>
>>>
>>> thanks
>>
>> I once had an ice-cream melt while I was outside on a hot summer day.
>> It was awfully hot. I heard someone tell me to get in out of the hot
>> sun with that ice-cream cone. I went inside to the air conditioning
>> and it didnt melt anymore.
>> Does that help?
>> Bubba
>
> Just too inviting...
Dedicate one to the ladies
Now summertime's here babe
Need something to keep you cool
Ah now summertime's here babe
Need something to keep you cool
Better look out now though
Dave's got something for you
Tell ya what it is
I'm your ice cream man
Stop me when I'm passing by
Oh my my, I'm your ice cream man
Stop me when I'm passing by
See now all my flavors
Are guaranteed to satisfy
Hold on a second baby
I got good lemonade
ah, dixie cups
All flavors and push ups too
I'm your ice cream man, baby
Stop me when I'm passing by
See now all my flavors
Are guaranteed to satisfy
Hold on, one more
Well, I'm usually passing
By just about eleven o'clock
Uh huh, I never stop
I'm usually passing by
just around eleven o'clock
And if you let me cool you one time
You'll be my regular stop
All right boys
I got good lemonade
ah, dixie cups
All flavors and push ups too
I'm your ice cream man, baby
Stop me when I'm passing by
See now all my flavors
Are guaranteed to satisfy
Yes I'm your ice cream man
Stop me when I'm passing by
I'm your ice cream man
Stop me when I'm passing by
They say all my flavors
Are guaranteed to satisfy
Ah, one time
I'm your ice cream man
stop me when I'm passing by
I'm your ice cream man
stop me when I'm passing by
They say all my flavors
Are guaranteed to satisfy
One time, boys
I'm your ice cream man
I'm your ice cream man
Baby
Ah my, my, my
All my flavors are guaranteed to satisfy
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