Ming,
I think you might be able to write two equations like:
TempCheck = LT(Tzone,20)
the LT(n,m) function returns a 1 if n < m and a 0 otherwise. You can
then integrate the result and you will get a measure of the amount of
time that Tzone is below 20.
Cheers,
David
At 00:45 2/27/2008, Liu, Ming - liumy008 wrote:
Content-class: urn:content-classes:message
Content-Type: multipart/alternative;
boundary="----_=_NextPart_001_01C8790C.4759C32C"
Dear Trnsys users,
In my model, I want to calculate how long the temperature of a zone
is kept under 20OC during a day. Does anyone have any idea about
that? Thanks in advance.
Best regards,
Ming
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