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RE: [EnergyPlus_Support] Need help with this idf



Hi, Natassa
 
I had a look at your IDF.  You are now trying to use GSHE and one plant loop.
 
The IDF had 23 warnings and 20 sever warning.  Those Summer On, Winter On problems were in the very old IDF we looked at.  But we never reached that point because the plant loop cannot be split into four sections to connect to the heat 4 pumps.
 
The Zone partition warnings were there before.  The node connection warnings are also very similar.   Practically, the re-heat coil and the heating coil are the same.  By changing the names, you may have some nodes mixed up again.  I used the zone1, zone2, etc for the plant branches, so that it would be easier to separate the two groups of names.
 
You are still using version 2.2.  I think you should up grade to version 4.0.
================
In the old IDF, the schedule for both Summer On  and Winter On was ON.
 
The type 4 thermostat resulves the heating/cooling requirement.
 
You have DaySchedule, ON, defined in your current IDF, but only for the Summer and WinderDesignDay.  You may need to re-define the schedules or add.
 
  Schedule:Compact,
    Summer ON,                      !- Name
    On/Off,                !- Schedule Type Limits Name
    Through: 12/31,          !- Field 1
    For: Alldays,            !- Field 2
    Until: 24:00,            !- Field 3
    1;                    !- Field 4

There are more errors.
 
 Dr. Li  



 
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
From: natamats@xxxxxxxxx
Date: Sun, 31 Jan 2010 09:15:33 -0800
Subject: Re: [EnergyPlus_Support] Need help with this idf

 
Thank you very much for your help, you were right. I did the change and some mistakes were corrected. But it still has a few mistakes which i don t know how to correct. I am attaching the idf file and the mistakes.Please take a look.
Thank you very much,
Natassa

To: EnergyPlus_Support@yahoogroups.com
Sent: Sun, January 31, 2010 1:12:31 PM
Subject: Re: [EnergyPlus_Support] Need help with this idf

 
Hi again I this I managed to find your error. Check the branches you used for the splitter and the mixer of the reheat. Especially check:

SPLITTER,
    Reheat Splitter,         !- SplitterName
    Reheat Inlet Branch,     !- Inlet Branch Name
    Z1G Reheat Branch,       !- Outlet Branch Name 1
    Z2G Reheat Branch,       !- Outlet Branch Name 2
    Z3G Reheat Branch,       !- Outlet Branch Name 3
    Z4G Reheat Branch,       !- Outlet Branch Name 4
    Z5G Reheat Branch,       !- Outlet Branch Name 5
    Z6G Reheat Branch,       !- Outlet Branch Name 6
    Z7G Reheat Branch,       !- Outlet Branch Name 7
    Z8G Reheat Branch,       !- Outlet Branch Name 8
    Z9G Reheat Branch,       !- Outlet Branch Name 9
    Z10G Reheat Branch,      !- Outlet Branch Name 10
    Z11G Reheat Branch,      !- Outlet Branch Name 11
    Z12G Reheat Branch,      !- Outlet Branch Name 12
    Z15G Reheat Branch,      !- Outlet Branch Name 13
    Z16G Reheat Branch,      !- Outlet Branch Name 14
    Z1A Reheat Branch,       !- Outlet Branch Name 15
    Z2A Reheat Branch,       !- Outlet Branch Name 16
    Z3A Reheat Branch,       !- Outlet Branch Name 17
    Z4A Reheat Branch,       !- Outlet Branch Name 18
    Z5A Reheat Branch,       !- Outlet Branch Name 19
    Z6A Reheat Branch,       !- Outlet Branch Name 20
    Z7A Reheat Branch,       !- Outlet Branch Name 21
    Z8A Reheat Branch,       !- Outlet Branch Name 22
    Z9A Reheat Branch,       !- Outlet Branch Name 23
    Z10A Reheat Branch,      !- Outlet Branch Name 24
    Z11A Reheat Branch,      !- Outlet Branch Name 25
    Z1B Reheat Branch,       !- Outlet Branch Name 26
    Z2B Reheat Branch,       !- Outlet Branch Name 27
    Z3B Reheat Branch,       !- Outlet Branch Name 28
    Z4B Reheat Branch,       !- Outlet Branch Name 29
    Z5B Reheat Branch,       !- Outlet Branch Name 30
    Z6B Reheat Branch,       !- Outlet Branch Name 31
    Z7B Reheat Branch,       !- Outlet Branch Name 32
    Z8B Reheat Branch,       !- Outlet Branch Name 33
    Z9B Reheat Branch,       !- Outlet Branch Name 34
    Z10B Reheat Branch,      !- Outlet Branch Name 35
    Z11B Reheat Branch,      !- Outlet Branch Name 36
    Z1C Reheat Branch,       !- Outlet Branch Name 37
    Z2C Reheat Branch,       !- Outlet Branch Name 38
    Z3C Reheat Branch,       !- Outlet Branch Name 39
    Z4C Reheat Branch,       !- Outlet Branch Name 40
    Z5C Reheat Branch,       !- Outlet Branch Name 41
    Z6C Reheat Branch,       !- Outlet Branch Name 42
    Z7C Reheat Branch,       !- Outlet Branch Name 43
    Z8C Reheat Branch,       !- Outlet Branch Name 44
    Z9C Reheat Branch,       !- Outlet Branch Name 45
    Z10C Reheat Branch,      !- Outlet Branch Name 46
    Z11C Reheat Branch,      !- Outlet Branch Name 47
    Reheat Bypass Branch;    !- Outlet Branch Name 48

and

MIXER,
    Reheat Mixer,            !- MixerName
    Reheat Outlet Branch,    !- Outlet Branch Name
    Z1G Reheat Branch,       !- Inlet Branch Name 1
    Z2G Reheat Branch,       !- Inlet Branch Name 2
    Z3G Reheat Branch,       !- Inlet Branch Name 3
    Z4G Reheat Branch,       !- Inlet Branch Name 4
    Z5G Reheat Branch,       !- Inlet Branch Name 5
    Z6G Reheat Branch,       !- Inlet Branch Name 6
    Z7G Reheat Branch,       !- Inlet Branch Name 7
    Z8G Reheat Branch,       !- Inlet Branch Name 8
    Z9G Reheat Branch,       !- Inlet Branch Name 9
    Z10G Reheat Branch,      !- Inlet Branch Name 10
    Z11G Reheat Branch,      !- Inlet Branch Name 11
    Z12G Reheat Branch,      !- Inlet Branch Name 12
    Z15G Reheat Branch,      !- Inlet Branch Name 13
    Z16G Reheat Branch,      !- Inlet Branch Name 14
    Z1A Reheat Branch,       !- Inlet Branch Name 15
    Z2A Reheat Branch,       !- Inlet Branch Name 16
    Z3A Reheat Branch,       !- Inlet Branch Name 17
    Z4A Reheat Branch,       !- Inlet Branch Name 18
    Z5A Reheat Branch,       !- Inlet Branch Name 19
    Z6A Reheat Branch,       !- Inlet Branch Name 20
    Z7A Reheat Branch,       !- Inlet Branch Name 21
    Z8A Reheat Branch,       !- Inlet Branch Name 22
    Z9A Reheat Branch,       !- Inlet Branch Name 23
    Z10A Reheat Branch,      !- Inlet Branch Name 24
    Z11A Reheat Branch,      !- Inlet Branch Name 25
    Z1B Reheat Branch,       !- Inlet Branch Name 26
    Z2B Reheat Branch,       !- Inlet Branch Name 27
    Z3B Reheat Branch,       !- Inlet Branch Name 28
    Z4B Reheat Branch,       !- Inlet Branch Name 29
    Z5B Reheat Branch,       !- Inlet Branch Name 30
    Z6B Reheat Branch,       !- Inlet Branch Name 31
    Z7B Reheat Branch,       !- Inlet Branch Name 32
    Z8B Reheat Branch,       !- Inlet Branch Name 33
    Z9B Reheat Branch,       !- Inlet Branch Name 34
    Z10B Reheat Branch,      !- Inlet Branch Name 35
    Z11B Reheat Branch,      !- Inlet Branch Name 36
    Z1C Reheat Branch,       !- Inlet Branch Name 37
    Z2C Reheat Branch,       !- Inlet Branch Name 38
    Z3C Reheat Branch,       !- Inlet Branch Name 39
    Z4C Reheat Branch,       !- Inlet Branch Name 40
    Z5C Reheat Branch,       !- Inlet Branch Name 41
    Z6C Reheat Branch,       !- Inlet Branch Name 42
    Z7C Reheat Branch,       !- Inlet Branch Name 43
    Z8C Reheat Branch,       !- Inlet Branch Name 44
    Z9C Reheat Branch,       !- Inlet Branch Name 45
    Z10C Reheat Branch,      !- Inlet Branch Name 46
    Z11C Reheat Branch;      !- Inlet Branch Name 47

In the mixer the bypass is missing. If you fix that the simulation should proceed.


Hope the i managed to help you again.

Sotiris Papantoniou


Óôéò 31 Éáíïõáñßïõ 2010 12:55 ì.ì., ï ÷ñÞóôçò ÓùôÞñçò Ðáðáíôùíßïõ <sotos.enveng@ gmail.com> Ýãñáøå:
Hello Natassa,

I had the same problem some days ago. Possibly there is no problem with your nodes. The major errors are the following:

   ************ * Beginning Plant Sizing Calculations
   ** Severe  ** For Connector List=HEATING DEMAND SIDE CONNECTORS

   **   ~~~   ** ...Item=REHEAT SPLITTER, Type=SPLITTER was not matched.
   **   ~~~   ** The branch list for this SPLITTER does not match the branch list for its corresponding MIXER.
   ** Severe  ** For Connector List=HEATING DEMAND SIDE CONNECTORS


   **   ~~~   ** ...Item=REHEAT MIXER, Type=MIXER was not matched.
   **   ~~~   ** The branch list for this MIXER does not match the branch list for its corresponding SPLITTER.
   **  Fatal  ** GetConnectorListInp ut: Program terminates for preceding conditions

I you fix the above problem I expext the error for the nodes will stop. The reason why you receive these errors is because the simulation stops before checking the nodes "Fatal" and for this reason it has some many mistakes after that.

Hope i managed to help you a bit

Sotiris Papantoniou

2010/1/31 Natassa Matsota <natamats@yahoo. com>

 

Hello,
I am facing problems with this idf. I am pretty sure that the nodes are correct but it has mistakes which i do not know how to correct. I am attaching the idf and the mistakes. I really need your help. Please take a look and let me know what you think.
Thank you,
Natassa






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