The first difficulty in the way of the intellect’s functioning well is that it hates to function at all, at any rate beyond the point where functioning begins to require effort. The result is that when any matter arises which is properly the job of the intellect, then either nothing gets done at all, or else the imagination leaps in and does it instead. There is nothing to be done with the intellect until imagination has been put firmly in its place.
Sent: Friday, March 8, 2019 8:41 AM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Cc: Jim Dirkes
Subject: RE: [EnergyPlus_Support] HVAC pump with 11 W/gpm
Jim,
I rarely see a pump shop drawing showing an efficiency as high as 78%. Can one edit the proposed model .idf to use the pump efficiency shown on the shop drawings?
Christopher R Jones, P.Eng.
T+ 1 416-644-0252
From: EnergyPlus_Support@xxxxxxxxxxxxxxx [mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx]
Sent: Thursday, March 07, 2019 4:34 PM
To: Jim Dirkes Jim@xxxxxxxxx [EnergyPlus_Support] <EnergyPlus_Support@xxxxxxxxxxxxxxx>
Subject: Re: [EnergyPlus_Support] HVAC pump with 11 W/gpm
....slightly corrected version
James V Dirkes II, PE, BEMP, BCxP
Team Lead - Building Performance
Foresight Management
616 450 8653
Coffee Conversation:
The first difficulty in the way of the intellect’s functioning well is that it hates to function at all, at any rate beyond the point where functioning begins to require effort. The result is that when any matter arises which is properly the job of the intellect, then either nothing gets done at all, or else the imagination leaps in and does it instead. There is nothing to be done with the intellect until imagination has been put firmly in its place.
From: EnergyPlus_Support@xxxxxxxxxxxxxxx <EnergyPlus_Support@xxxxxxxxxxxxxxx> on behalf of Jim Dirkes Jim@xxxxxxxxx [EnergyPlus_Support] <EnergyPlus_Support@xxxxxxxxxxxxxxx>
Sent: Thursday, March 7, 2019 4:29 PM
To: Dante Andres Garcia andresdagm@xxxxxxxxx [EnergyPlus_Support]
Subject: Re: [EnergyPlus_Support] HVAC pump with 11 W/gpm
Dante,
Try the attached calculator, adjusting the "W/gpm" value to 11
James V Dirkes II, PE, BEMP, BCxP
Team Lead - Building Performance
Foresight Management
616 450 8653
Coffee Conversation:
The first difficulty in the way of the intellect’s functioning well is that it hates to function at all, at any rate beyond the point where functioning begins to require effort. The result is that when any matter arises which is properly the job of the intellect, then either nothing gets done at all, or else the imagination leaps in and does it instead. There is nothing to be done with the intellect until imagination has been put firmly in its place.
From: EnergyPlus_Support@xxxxxxxxxxxxxxx <EnergyPlus_Support@xxxxxxxxxxxxxxx> on behalf of Dante Andres Garcia andresdagm@xxxxxxxxx [EnergyPlus_Support]
<EnergyPlus_Support@xxxxxxxxxxxxxxx>
Sent: Thursday, March 7, 2019 4:06 PM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: [EnergyPlus_Support] HVAC pump with 11 W/gpm
Hello,
I have a general question redarging how to design HVAC pump with 11 W/gpm per primary and secondary loops in evaporator.
Please advise how a design can achieve that target. Most design that I have seen exceeds that limits becasuse it does not consider head.
Regards,
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Posted by: Jim Dirkes <Jim@xxxxxxxxx>
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