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Re: [EnergyPlus_Support] DX Cooling Curves
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On Thu, 3/2/17, Bereket Nigusse nigusse_ba@xxxxxxxxx [EnergyPlus_Support] <EnergyPlus_Support@xxxxxxxxxxxxxxx> wrote:
Subject: Re: [EnergyPlus_Support] DX Cooling Curves
To: "EnergyPlus_Support@xxxxxxxxxxxxxxx" <EnergyPlus_Support@xxxxxxxxxxxxxxx>
Date: Thursday, March 2, 2017, 10:42 PM
Hi
Chris,
You
can use the same curve by choosing "Other" for the
"DX Coil Type:" input field and "Flow"
for "Independent Variable:" input field. This
changes the data entry field to generic independent
variable.
Enter
PLR data for "X: Independent Variable" field. The
object generated for this entry will be CAP as function of
PLR and EIR as a function of PLR. Note that the curve object
name generated will labeled as *OtherCAPFFF and
*OtherEIRFFF. You may rename it as you wish aft generating
the curve.
Let
me know if you run into a problem.
Bereket
Nigusse
From: "Chris Jones
cj@xxxxxxxxxxx [EnergyPlus_Support]"
<EnergyPlus_Support@xxxxxxxxxxxxxxx>
To:
EnergyPlus_Support@xxxxxxxxxxxxxxx
Sent:
Thursday, March 2, 2017 9:36 AM
Subject:
[EnergyPlus_Support] DX Cooling Curves
The
EnergyPlus installation includes an excel spreadsheet for
calculating DX cooling curve coefficients. That spreadsheet
includes
two curves - the cooling capacity curve based on indoor
wetbulb and
outdoor air drybulb and the cooling EIR based on those
temperatures.
Missing is the cooling EIR based on part load.
Is anyone aware of a spreadsheet that allows for calculation
of this
third curve?
--
Chris Jones
14 Oneida Avenue
Toronto, ON M5J 2E3
416-697-0056
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