[BLDG-SIM] ice storage
Alpana Jain
ajain at setty.com
Wed Jun 27 06:14:13 PDT 2007
I am trying to simulate ice storage in a building using eQUEST
I am running into problems: Can someone help me with what I might be
doing wrong?
1. Can I set my ice making Chiller temperature to 21F even if my loop is
at a higher temperature of 34F?
2. I have a situation when the ice storage works only during the day on
weekdays and in summer only, so how do I set up a schedule for charge/
discharge and off in the equipment control? I am being able to only
schedule for charge and discharge, using the flag sch type! (though my
chilled water loop is scheduled to be off in winter and nights)
Lastly, when I described my thermal storage and ran the simulation the
PS-C report showed zero load and energy use for the ice storage and I
get the following simulation messages
**WARNING***************************************************************
*******
EQUIP-CTRL: control discharge has a storage
seqence number specified, but no storage device is
attached.
**WARNING***************************************************************
*******
In Circulation-Loop: CHW Loop 1 the
thermal
storage charging flow was drastically reduced because other
coil flows took higher priority. If using 3-way coil valves
either change to 2-way valves, or manually specify the
LOOP-FLOW to be large enough to handle both the 3-way coils
and the desired charge flow. Otherwise, tank may fail to
charge. First occurrence: 4/16/ 6
I will really appreciate any help.
Thank you
Alpana
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