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RE: [EnergyPlus_Support] Zone Air Heat Balance Warning

These messages can be ignored.  It isn't necessary to try to remove them.   They are usually caused by abrupt changes in internal loads from schedule fluctations.

________________________________
From: EnergyPlus_Support@xxxxxxxxxxxxxxx [EnergyPlus_Support@xxxxxxxxxxxxxxx] On Behalf Of Sen Huang [jawhasway987@xxxxxxxxx]
Sent: Sunday, July 26, 2009 7:50 PM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: [EnergyPlus_Support] Zone Air Heat Balance Warning



Hi,group
I'm having difficulty trying to decipher zone air heat balance warning message. What do they mean? How can I solve these problems?
Here is the warning message:
  ** Warning ** Zone Air Heat Balance is out of balance for zone named BEDROOM2
  **   ~~~   ** Zone Air Heat Balance Deviation Rate is more than 25.6 (Watts)
  **   ~~~   **  Occurance info: Occurrence info=Chengdu Sichuan CHN CSWD WMO#=562940, 01/01 06:00 - 06:15
  ** Warning ** Zone Air Heat Balance is out of balance for zone named BEDROOM3
  **   ~~~   ** Zone Air Heat Balance Deviation Rate is more than 27.0 (Watts)
  **   ~~~   **  Occurance info: Occurrence info=Chengdu Sichuan CHN CSWD WMO#=562940, 01/01 06:00 - 06:15
  ** Warning ** Zone Air Heat Balance is out of balance for zone named BEDROOM1
  **   ~~~   ** Zone Air Heat Balance Deviation Rate is more than 2.6 (Watts)
  **   ~~~   **  Occurance info: Occurrence info=Chengdu Sichuan CHN CSWD WMO#=562940, 01/01 07:00 - 07:15
  ** Warning ** Zone Air Heat Balance is out of balance for zone named LIVINGROOM
  **   ~~~   ** Zone Air Heat Balance Deviation Rate is more than 8.0 (Watts)
  **   ~~~   **  Occurance info: Occurrence info=Chengdu Sichuan CHN CSWD WMO#=562940, 01/01 07:00 - 07:15

Thank you!





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