Thread: How-to Use HVAC Display as Tachometer
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Old 07-01-2012   #8
ghlkal
 
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Join Date: Jan 2012
Location: Wisconsin
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Default Re: Use HVAC display as tach
Quote:
Originally Posted by scottfab View Post
What is the Serial number of your 90?
#2180

The display wasn't showing a temp in F, it appeared to be about 1/2 the temp gauge reading. So it could be in C ...
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