[Equest-users] why pump consume less energy

[Grammy]

Hi, Zhiren,

The "pump properties" window show that the pump has a *85* mech eff,
very impressive.

Check your equipment list and find the right mech eff. to input - I guess
the pump eff. should be 85%, not 8500%.

2011/1/3 周志仁 <zhouzr at cabr-sh.com>

> Dear all
>
>          My proposed model consume much less pump energy which is less than
> 1% of the total energy. There are 10 chiller and 10 pumps(all are VSD) in
> the proposed. The figure below shows the breakdown of total energy
> consumption, the pump is very low. The pump setting is shown in the second
> figure below.
>
> Why the loop head is given in the SIM file as shown in the third figure
> below? Why the pump consume little energy? Can anyone tell me the reason?
> Thanks a lot.
>
>
>
>
>          Yours arron
>
>
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> [image: cid:image002.jpg at 01CBAB75.979D1A90]
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> [image: cid:image004.png at 01CBAB74.C92BFB90]
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> [image: cid:image005.png at 01CBAB75.979D1A90]
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