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RE: [EnergyPlus_Support] Strange Sort of Error

To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: RE: [EnergyPlus_Support] Strange Sort of Error
From: Ali_Ajmi <ajmi70kw@xxxxxxxxxxx>
Date: Mon, 25 Apr 2005 11:43:03 +0100 (BST)
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Thanks Mike i have sort out the purchased air heating energy. But i could not figure out the purchased cooling energy. Many things are not clear to me in this output file. First, the glare index only shown for one reference point of each zone. Second, the Daylighting illuminance: map is not appear in the out put files. The IDF file has been uploaded under name PurchAirBuildGeomandWindowMat_fivZon.
 
Regards
Ali

"Michael J. Witte" <mjwitte@xxxxxxxx> wrote:

1. In the idf file, to report for all zones:

Report Variable,
*, !- Key_Value
Purchased Air Heating Energy, !- Variable_Name
hourly; !- Reporting_Frequency

Or for just a single zone (key value is the name of the purchased air object):

Report Variable,
ZONE NORTH AIR, !- Key_Value
Purchased Air Heating Energy, !- Variable_Name
hourly; !- Reporting_Frequency

2. If you have an rvi file, then it must be listed there as well:

Purchased Air Heating Energy

OR

ZONE NORTH AIR,Purchased Air Heating Energy 

3. This is a report variable so it will be reported in the .csv 
file, not the Meter.csv

4. There are also meters for puchased heating and cooling which can report to 
both the .csv and Meter.csv files, or just the meter file only:

Report Meter,
PurchasedHeating:Facility, !- Meter_Name
monthly; !- Reporting_Frequency

OR

Report MeterFileOnly,
PurchasedHeating:Facility, !- Meter_Name
monthly; !- Reporting_Frequency


5. If the results still do not appear, be sure to check the .err output file 
for warnings related to report variables and meters. If you cannot figure it 
out, please upload the input file to the yahoo files area.

Mike



On 20 Apr 2005, at 17:01, Ali_Ajmi wrote:

> 
> Thanks Peter for your help. It is really was valuable advise. Peter I asked in
> the output file object to show every zone purchased heating and cooling using
> this ZONE NORTH AIR : Purchased Air Heating Energy field as written in the .rdd
> file but nothing shows in the out put meter file, any advise.
> 
> Regards
> Ali
> 
> "Ellis, Peter" 
wrote:
> 
> 
> Ali, I've looked at your file and have some recommendations for you. First of
> all, remove all of the DAYLIGHTING:ILLUMINANCE MAP objects from your file. (This
> will allow the DXF file, eplusout.dxf, to be generated. I don't know why that
> error message is preventing the DXF from being generated.) Now look closely at
> you DXF file using Volo View or something similar. You'll see that most of your
> daylighting reference points (the red and blue circles) are not in their correct
> zones. They are, in fact, outside of the building. This is the first thing you
> must fix before you can get the maps to work. 
> 
> The reason the reference points are misplaced is because you are trying to use
> world coordinates instead of zone coordinates. All daylighting reference point
> coordinates (and also illuminance map coordinates) must use zone coordinates. In
> zone coordinates, everything is relative to the zone origin, which is defined in
> the ZONE object. This means that you should never have daylighting coordinates
> less than zero, or else they will be outside the zone. A Relative North Axis
> other than zero further complicates things. 
> 
> Once you get the daylighting reference points in the right places you should
> have a better understanding of how the illuminance map coordinates should be
> setup. However, since your "X minimum coordinate" and "Y minimum coordinate" are
> still less than 0.15, you run the risk of getting the same error message if
> there is a window in the walls on those sides. Try 0.2 instead to be safe. 
> 
> When you temporarily remove the DAYLIGHTING:ILLUMINANCE MAP objects as I suggest
> above, you'll see that you have some new errors with your zone equipment. You'll
> have to solve those errors separately. 
> 
> 
> Peter Ellis
> NREL
> 
> 
> -----Original Message-----
> From: Linda Lawrie [mailto:linda@xxxxxxxxxx]
> Sent: Monday, April 18, 2005 8:50 AM
> To: EnergyPlus_Support@xxxxxxxxxxxxxxx
> Subject: Re: [EnergyPlus_Support] Strange Sort of Error
> 
> 
> Personally, I would probably try commenting out the illuminance map for that
> zone if you can't figure out the problem there.
> 
> The developer was out of town for the last few days of last week.
> 
> Linda
> 
> At 08:38 AM 4/18/2005, Ali_Ajmi wrote:
> 
> 
> 
> 
> Waiting your help Linda.
> Ali
> 
> Ali_Ajmi wrote:
> 
> The illuminance maps used in this file from the beginning. This error appear
> after i have removed the Geometry Transform object. This the first time i try to
> use the illuminance maps.
> 
> Ali
> 
> Linda Lawrie
> wrote:
> 
> This is now the error I am getting. Have you used Illuminance maps
> before? I will try to have the author look at the problem.
> 
> Linda
> 
> At 04:34 AM 4/12/2005, Ali_Ajmi wrote:
> >** Severe ** Daylighting calculation cannot be done for zone ZONE WEST
> >because an illuminance map point is less than 0.15m (6") from window plane ZONE
> >WEST WINDOW
> > ** ~~~ ** This is too close; check boundaries of illuminance map.
> > ** Fatal ** Program terminates due to preceding condition.
> >
> >I have used the same Cartesian that i used in defining the zones, so the
> >west zone have negative value in the Y-axis. Do you think this is the
> >source of the errors.
> >
> 
> 
> [Non-text portions of this message have been removed]
> 
> 
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> The primary EnergyPlus web site is found at:
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> 
> The primary EnergyPlus web site is found at:
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> 
> 



========================================================
Michael J. Witte, GARD Analytics, Inc.
EnergyPlus Testing and Support 
EnergyPlus-Support@xxxxxxxx




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