Re: [EnergyPlus_Support] DX Coils

["Michael J. Witte" <mjwitte@xxxxxxxx>]

We have developed a PLF curve for a 9.5 ton unit which we could 
share, but it sounds like you're looking for something larger.  The 
manufacturer should be willing to provide you with this.  What size 
range are you looking at?

Mike


On 22 Oct 2002, at 11:35, Griffith, Brent wrote:

> Greetings,
> 
> RE: input for Coil:DX:CoolingBypassFactorEmpirical
> 
> Has anyone generated Part Load Fraction Correlation functions for
> larger industrial rooftop package units?  It seems difficult to get
> part load data for specific models.   All I have been able to come up
> with is to generate a suitable cubic from the Part_Load Factor Curve
> provided as Figure 1. in ARI Standard 340/360-2000.  This seems to
> work but I am not sure if this is the way to go since it often goes
> way below the E+ limit of 0.7.  Also I can't seem to push the SHR
> higher than 0.75 which is less than what is indicated by the equipment
> specs I am using.  
> 
> Any ideas?  Thanks in advance.  
> 
> Brent Griffith
> 
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