[Equest-users] Maximum limits for zones, systems etc.
Maryanne Mason maryanne.mason at ausencosandwell.com
Thu Aug 26 09:23:41 PDT 2010

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From: equest-users-bounces at lists.onebuilding.org
[mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Scott
Criswell
Sent: Wednesday, August 25, 2010 11:26 AM
To: Bishop, Bill
Cc: EQuest
Subject: Re: [Equest-users] Maximum limits for zones, systems etc.

 

Here is a rundown on the "MAX DEF" (maximum # of components) that can be
defined in the version of DOE-2.2 distributed w/ eQUEST version 3.63b, as
well as one change that will be present in the upcoming release of v3.64.

    DOE-2.2 version     47d    47h2
    eQUEST version    3.63b    3.64
    -------------------------------
    COMMAND NAME        MAX     MAX
                        DEF     DEF
    -------------------------------
    SCHEDULE           2048
    WEEK-SCHEDULE      2048
    DAY-SCHEDULE       4096
    BUILDING-SHADE     1024
    CONSTRUCTION       8192
    GLASS-TYPE         1024
    SPACE              4096
    EXTERIOR-WALL      8192
    WINDOW             8192
    INTERIOR-WALL      8192   12288
    UNDERGROUND-WALL   8192
    DESIGN-DAY            2
    LAYERS             8192
    MATERIAL           8192
    REPORT-BLOCK         64
    HOURLY-REPORT        16
    RUN-PERIOD           15
    PARAMETER           500
    DOOR               1024
    WEIGHTING-FACTOR   4096
    FIXED-SHADE        1024
    HOLIDAYS              2
    POLYGON           32768
    FLOOR              1024
    GLASS-TYPE-CODE     128
    SYSTEM             2048
    ZONE               4096
    CURVE-FIT           512
    PUMP               1280
    CIRCULATION-LOOP   1280
    CHILLER              30
    BOILER               30
    DW-HEATER          1280
    HEAT-REJECTION       30
    PV-MODULE            30
    ELEC-GENERATOR       30
    THERMAL-STORAGE      30
    HEAT-EXCHANGER       30
    EQUIP-CTRL           30
    LOAD-MANAGEMENT      20
    ELEC-METER          100
    FUEL-METER           15
    STEAM-METER          15
    CHW-METER            15
    GROUND-LOOP-HX       30
    LUMINAIRE-TYPE       64
    LIGHTING-SYSTEM      64
    LAMP-TYPE            64
    COMPONENT-COST      100
    UTILITY-RATE         30
    BLOCK-CHARGE        200
    RATCHET             100
    WINDOW-LAYER         32



Bishop, Bill wrote: 

I'm tempted to include multiple buildings in one model (a dormitory complex)
and I'm wondering what program limits I might bump up against. Maximum
number of zones? Systems? Surfaces? Anything else?

 

Thanks,

Bill

 

William Bishop, PE, BEMP, LEEDR AP | Pathfinder Engineers & Architects LLP

Mechanical Engineer

 

134 South Fitzhugh Street
Rochester, NY 14608
T: (585) 325-6004 Ext. 114
F: (585) 325-6005

wbishop at pathfinder-ea.com

www.pathfinder-ea.com

P Sustainability - less is more.