Re: [EnergyPlus_Support] Underheating and 100%OA

[Jean Marais <jeannieboef@xxxxxxxxx>]

Tip: define also for sizing days:
Schedule:Compact,
    SHOP heating thermostat Schdl,  !- Name
    Temperature,             !- Schedule Type Limits Name
    Through: 12/31,          !- Field 1
    For: WinterDesignDay,            !- Field 2
    Until: 09:00, 19,        !- Field 4
    Until: 22:00, 19,        !- Field 6
    Until: 24:00, 19,        !- Field 8
    For: AllOtherDays,            !- Field 2
    Until: 09:00, 15,        !- Field 4
    Until: 22:00, 19,        !- Field 6
    Until: 24:00, 15;        !- Field 8

Sorry, didn't spot anything else. Report the mass flow and temps on the air and water nodes...

On 16 September 2013 08:52, Artem Zhukov <artem.zhukov@xxxxxxxxxxx> wrote:

Dear colleagues,

I can?t find an error why main part of premises are underheated and from other side, nevertheless there Sizing:System-

    Sensible,                !- Type of Load to Size On

    autosize,                !- Design Outdoor Air Flow Rate {m3/s}

    0.2,                     !- Minimum System Air Flow Ratio

 

AND

 

AirTerminal:SingleDuct:Uncontrolled

 

The main part such systems work at 100% of fresh air always. The internal loads are quite big (~60W/m2), it is shopping center.

 

The model was made from Template:Unitary system and just a bit justified, but it runs completely strange.

 

Thank you very much

 

 

 

 

 

BR,

Artem Zhukov

 

HVAC Consultant/Building Simulation Engineer

Mob.: +420 774 081 898

SKYPE: zhukov_artem

View profile

 

Web Cal

 

BE RESPONSIBLE. THINK ABOUT THE ENVIRONMENT BEFORE PRINTING THIS E-MAIL OR ITS ATTACHMENTS

 

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