[R-390] VFO Heater Questions

[rbethman]

The PTO heater is HR-701.  It ONLY runs when the rear OVENS switch is 
turned ON. The heater is a 45W rating.

Bob - N0DGN

Perry Sandeen wrote:
> Wow Bob ,
>
> That's the fastest reply I've ever had! (Or maybe anyone else has ever received.) 
>
> Thanks,
>
> Rerrier
>
> --- On Fri, 12/4/09, rbethman <rbethman at comcast.net> wrote:
>
>   
>> From: rbethman <rbethman at comcast.net>
>> Subject: Re: [R-390] VFO Heater Questions
>> To: "Perry Sandeen" <sandeenpa at yahoo.com>
>> Cc: r-390 at mailman.qth.net
>> Date: Friday, December 4, 2009, 12:03 PM
>> Hello Perry!
>>
>> Remember the R-390A does have a heater on the PTO.
>>
>> It does not have one on the BFO.
>>
>> Bob - N0DGN
>>
>> Perry Sandeen wrote:
>>     
>>> GM List,
>>>
>>> I read an article in ER magazine on the Collins VFO
>>>       
>> and learned it had an adjustable thermostat.
>>     
>>> 1.  Does anyone know what is the nominal
>>>       
>> temperature setting as well as the high and low limits?
>>     
>>> 2.  Does anyone know what is the nominal current
>>>       
>> draw of the VFO heater.
>>     
>>>   
>>> 3. Although the Y2K-R3 BFO schematic shows no heater,
>>>       
>> is that correct?
>>     
>>> Regards,
>>>
>>> Perrier
>>>    
>>>       
>>     
>
>
>       
>
>   

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