[Equest-users] Error - System Type 8 - VAV or PIUs.

[Kushagra Juneja]

Dear Jenny, Brian,

It was indeed because of the fan air stream temperature rise. I forced fed
it to zero, and its up and running.

Thank You so much.

Thanks Again

Kushagra

On Fri, Feb 22, 2013 at 7:57 AM, Jenny Zhang <jenny.zhang at arup.com> wrote:

> Hi Kushagra,****
>
> I think it is because a PIU or VAV has a higher fan temperature rise than
> fancoil.****
>
> Could you send a screen cut of the air side system cooling setting.****
>
> We could know detail about this error.****
>
> ** **
>
> JIE****
>
> ** **
>
> *From:* equest-users-bounces at lists.onebuilding.org [mailto:
> equest-users-bounces at lists.onebuilding.org] *On Behalf Of *Kushagra Juneja
> *Sent:* 2013年2月22日 0:00
>
> *To:* equest-users at lists.onebuilding.org
> *Subject:* [Equest-users] Error - System Type 8 - VAV or PIUs.****
>
> ** **
>
> Dear all,
>
>
> There is an error that has come up while simulating a 6 lakh sq. ft. bldg.
>
> "cooling coil leaving temperature must be at least 6F higher than entering
> water temp."
>
> The CHW temp is 44 F and I have tried varying the zone supply temperature
> from 52 to 60 F. But no luck. The air side system here was PIU or VAV.
>
> However, when I model the same with an FCU at the air side. No error
> appears.
>
> Any clues why such strange behavior and how to resolve it?
>
> Thanks in advance
>
> Kushagra ****
>
> ** **
>
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