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Re: [EnergyPlus_Support] How to set water pump with HVACTemplate

To: "EnergyPlus_Support@xxxxxxxxxxxxxxx" <EnergyPlus_Support@xxxxxxxxxxxxxxx>
Subject: Re: [EnergyPlus_Support] How to set water pump with HVACTemplate
From: "Jim Dirkes jim@xxxxxxxxxxxxxxxxxxxxxxxxxxx [EnergyPlus_Support]" <EnergyPlus_Support@xxxxxxxxxxxxxxx>
Date: Fri, 8 May 2015 08:41:07 -0400
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Dear Jin,

EnergyPlus always autosizes multiple plant object such as the cooling tower and chiller so that each component can supply 100% of the load.

I am not very familiar with the Templates, but it appears that a cooling tower and chiller can have a "Sizing Factor".Â Try using Sizing Factor = 0.25; that should make each tower and chiller 25% of the total load.

On Fri, May 8, 2015 at 2:35 AM, sangjin722@xxxxxxxxx [EnergyPlus_Support] <EnergyPlus_Support@xxxxxxxxxxxxxxx> wrote:

Â

Hi, users

I have a problem with HVACTemplate.
I am using HVACTemplate to model Appendix G system 7 and according to building peak cooling load, it need 4 cooling towers.
But after I get the results, I found that the flow rate of each condenser water pump is same with the pump flow rate which simulate with 1 cooling tower.
It means that the condenser water flow rate became 4 times more than that with 1 cooling tower.
How can I fix the model so that I can get the reasonable results?
Thanks.

- Jin

James V Dirkes II, PE, BEMP, LEED AP
CEO/President
The Building Performance Team Inc.
1631 Acacia Dr, GR, Mi 49504

Direct: 616.450.8653
jim@xxxxxxxxxxxxxxxxxxxxxxxxxxx

Website l Â LinkedIn

The truth is still the truth, even if nobody believes it.Â A lie is still a lie, even if everyone believes it.

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Posted by: Jim Dirkes <jim@xxxxxxxxxxxxxxxxxxxxxxxxxxx>

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References:
- [EnergyPlus_Support] How to set water pump with HVACTemplate
  - From: sangjin722@xxxxxxxxx [EnergyPlus_Support]

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