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Re: [EnergyPlus_Support] HVAC BESTTEST
Note that it gives you a severe error but goes ahead and
completes successfully.
As versions change, so do error/warning messages.
Linda
At 11:13 PM 10/16/2014, Wenting Ding dingwenting@xxxxxxxxx
[EnergyPlus_Support] wrote:
Linda,
Â
The following is the full error messages. For your reference, I attached
the idf file also(original and updated version). Thank you.
Â
Â
Program Version,EnergyPlus-Windows-64
8.1.0.009, YMD=2014.10.17 10:12,IDD_Version 8.1.0.009
  ** Warning ** Timestep: Requested number (1) is less than the
suggested minimum of 4.
  **  ~~~  ** Please see entry for Timestep in
Input/Output Reference for discussion of considerations.
  ** Warning ** Weather file location will be used rather than
entered (IDF) Location object.
  **  ~~~  ** ..Location object=UNKNOWN
  **  ~~~  ** ..Weather File Location=Miami/Int'l
Airport FL USA TMY--12839 WMO#=722020
  **  ~~~  ** ..due to location differences,
Latitude difference=[2.00E-002] degrees, Longitude difference=[2.00E-002]
degrees.
  **  ~~~  ** ..Time Zone difference=[0.0]
hour(s), Elevation difference=[100.00] percent, [2.00] meters.
  ** Severe ** This building has no thermal mass which can
cause an unstable solution.
  **  ~~~  ** Use Material object for all opaque
material definitions except very light insulation layers.
  ** Warning ** The Standard Ratings is calculated for
Coil:Cooling:DX:SingleSpeed = ZONE1WINDACDXCOIL but not at the AHRI test
condition due to curve out of bound.
  **  ~~~  ** Review the Standard Ratings
calculations in the Engineering Reference for this coil type. Also, use
Output:Diagnostics, DisplayExtraWarnings for further guidance.
  ************* Testing Individual Branch Integrity
  ************* All Branches passed integrity testing
  ************* Testing Individual Supply Air Path Integrity
  ************* All Supply Air Paths passed integrity
testing
  ************* Testing Individual Return Air Path Integrity
  ************* All Return Air Paths passed integrity
testing
  ************* No node connection errors were found.
  ************* Beginning Simulation
  ************* Simulation Error Summary *************
  ************* EnergyPlus Warmup Error Summary. During Warmup: 0
Warning; 0 Severe Errors.
  ************* EnergyPlus Sizing Error Summary. During Sizing: 0
Warning; 0 Severe Errors.
  ************* EnergyPlus Completed Successfully-- 3 Warning; 1
Severe Errors; Elapsed Time=00hr 00minÂ
0.97sec
2014-10-17 10:21 GMT+09:00 Linda Lawrie
linda@xxxxxxxxxxxxxx
[EnergyPlus_Support]
<
EnergyPlus_Support@xxxxxxxxxxxxxxx>:
- Â
- That doesn't look like a severe error -- why not paste in the full
.err
- file?
- On 2014-10-16 19:19,
dingwenting@xxxxxxxxx
[EnergyPlus_Support] wrote:
- > Hi,
- >
- > I got the CE100.idf from others and it was the old version. I
updated
- > it to version 8.1 and ran it. but got a severe error.
- >
- > MATERIAL:Regular-R,
- > INSULATION-EXT, ! Material Name
- > VerySmooth, ! Roughness
- > 50.00 , ! Thermal Resistance {m2-K/W}
- > 0.9000 , ! Thermal Absorptance
- > 0.1000 , ! Solar Absorptance
- > 0.1000 ; ! Visible Absorptance
- >
- > MATERIAL:Regular-R,
- > INSULATION-INT, ! Material Name
- > VerySmooth, ! Roughness
- > 50.00 , ! Thermal Resistance {m2-K/W}
- > 0.9000 , ! Thermal Absorptance
- > 0.6000 , ! Solar Absorptance
- > 0.6000 ; ! Visible Absorptance
- >
- > CONSTRUCTION,
- > LTWALL, ! Construction Name
- > ! Material layer names follow:
- > INSULATION-EXT,
- > INSULATION-INT;
- >
- > The error message is
- >
- > This building has no thermal mass which can cause an
unstable
- > solution.
- > ** ~~~ ** Use Material object for all opaque material
definitions
- > except very light insulation layers.
- >
- > In Case E100 the wall construction is conposed of only two
insulation
- > layers.
- >
- > Who can give me some advice?
- >
- > Thank you very much.
- >
- >
- >
- > Links:
- > ------
- > [1]
http://energyplus.helpserve.com
- > [2]
http://www.energyplus.gov
- > [3]
http://groups.yahoo.com/group/EnergyPlus_Support/
- > [4]
- >
https://groups.yahoo.com/neo/groups/EnergyPlus_Support/info;_ylc=X3oDMTJlcjZwNDY5BF9TAzk3MzU5NzE0BGdycElkAzMzODc0ODgEZ3Jwc3BJZAMxNzA1MDA3Mzg5BHNlYwN2dGwEc2xrA3ZnaHAEc3RpbWUDMTQxMzUwODc1NA
--
- > [5]
- >
https://groups.yahoo.com/neo/groups/EnergyPlus_Support/members/all;_ylc=X3oDMTJmMGU2NzlqBF9TAzk3MzU5NzE0BGdycElkAzMzODc0ODgEZ3Jwc3BJZAMxNzA1MDA3Mzg5BHNlYwN2dGwEc2xrA3ZtYnJzBHN0aW1lAzE0MTM1MDg3NTQ-
- > [6]
- >
https://groups.yahoo.com/neo;_ylc=X3oDMTJkOXV2bnZ0BF9TAzk3NDc2NTkwBGdycElkAzMzODc0ODgEZ3Jwc3BJZAMxNzA1MDA3Mzg5BHNlYwNmdHIEc2xrA2dmcARzdGltZQMxNDEzNTA4NzU0
- > [7]
https://info.yahoo.com/privacy/us/yahoo/groups/details.html
- > [8]
https://info.yahoo.com/legal/us/yahoo/utos/terms/
Content-Type: application/octet-stream;
name="CASEE100T.IDF"
Content-Disposition: attachment; filename="CASEE100T.IDF"
X-Attachment-Id: f_i1d2x0s40
Content-Type: application/octet-stream;
name="CASEE100.IDF"
Content-Disposition: attachment; filename="CASEE100.IDF"
X-Attachment-Id: f_i1d2z5x81
__._,_.___
Posted by: Linda Lawrie <linda@xxxxxxxxxxxxxx>
Primary EnergyPlus support is found at:
http://energyplus.helpserve.com or send a message to energyplus-support@xxxxxxxx
The primary EnergyPlus web site is found at:
http://www.energyplus.gov
The group web site is:
http://groups.yahoo.com/group/EnergyPlus_Support/
Attachments are currently allowed but be mindful that not everyone has a high speed connection. Limit attachments to small files.
EnergyPlus Documentation is searchable. Open EPlusMainMenu.pdf under the Documentation link and press the "search" button.
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