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Re: [EnergyPlus_Support] availabilityManager:High temperaturTurnoff







From: YuanLu Li <yli006@xxxxxxxxxxx>
To: EnergyPlus_Support <energyplus_support@xxxxxxxxxxxxxxx>
Sent: Monday, February 20, 2012 3:14 AM
Subject: RE: [EnergyPlus_Support] availabilityManager:High temperaturTurnoff

   thanks for looking that
The data looked normal.
 
You should have taken the temperature values at the same time.
  yes i take it but in the excel file that i send you there is nt,
You did not record the DHW pump on the spread sheet.
i  recorded  DHW pump , but in this file that i send you it is only HW pump
 
HW pump off, boiler off not listed below,
i wrote wrong in number 3, sorry , it must be HW pump off ,boiler off   there is on the spread sheet.
 in my energyplus result i dont see number 4 case (HW pump on and boiler off ) i dont undrestand why?

 ) Hw pump off but boiler on   (DHW is being heated)
2)Hw pump on and boiler on  (Normal )
3)HW pump 0ff but boiler on  (HW below set point, DHW not in use)
4)HW pump on and boiler off  (Tank is hot enough for a while)  i dont this  case result ( HW pump on and boiler off ) in my energyplus result ,

This is an indication that you did not plan the experiment well, and do not record the actual condition on site.
 
Instead of 0 and 1's on the spread sheet, you should combined the states and then list the meaning of each state.  Two pumps and a boiler fire should give you 8 states.
 yes you are right i have 8 states, but in the excel file that i sent you , there is only the result of HW pump and boiler 
Some states may not be possible, and then your should try to explain them.
 
 Dr. Li  

 
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
From: t.t111ir@xxxxxxxxx
Date: Sun, 19 Feb 2012 21:58:35 +0000
Subject: Re: [EnergyPlus_Support] availabilityManager:High temperaturTurnoff

 
please see the file that i attached :this is the real experiment data that i measured :
 
it shows some times all of below
1) Hw pump off but boiler on   (DHW is being heated)
2)Hw pump on and boiler on  (Normal )
3)pump 0ff but boiler on  (HW below set point, DHW not in use)
4)pump on and boiler off  (Tank is hot enough for a while)
 
 
 





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