[TRNSYS-users] Cooling coils difference & Loads-type 88, type 660

[janeet anand]

Thank you David. Much appreciated.

Will give type 508 a try.

On Mon, Jul 13, 2020 at 4:18 PM David BRADLEY <d.bradley at tess-inc.com>
wrote:

> Janeet,
>
>   Type88 and 660 are mathematically equivalent. In addition to the
> internal/external controls options I believe that Type660 allows you define
> multiple "zones" that are adjacent to one another. Yes, feeding cold air
> into the ventilation inputs would be a very simplified equivalency to
> modeling a temperature level control building.
>
>   I would recommend using Type508 as a cooling coil model if possible and
> I would strongly recommend not using Type32. The others all have features
> that might (or might not) be useful in your particular circumstance so I'd
> recommend having a read through the documentation on each.
>
> kind regards,
>
>  David
>
>
> On 07/09/2020 23:01, janeet anand via TRNSYS-users wrote:
>
> Dear experts,
>
> Currently working on a project to simulate an absorption chiller feeding
> chilled water to 2 fan coil units which inturn control the temperatures of
> 2 zones-feeding the ventilation temp and flow rate. For comparison
> purposes, have set up the simple building loads using type 88 and type 660
> and plan to include a temperature level control on the FCU.
>
> 1. What is the difference between the type 88 and type 660 apart from the
> internal conditioning equipment control. Would HVAC equipment feeding cold
> vent air input be equivalent to a temperature level control for the
> building?
>
> 2. Please advise on the differences amongst the various cooling coils -
> type 32, type 52, type 508, type 697, type 752.  Which would be the most
> suitable type for the given application?
>
> Thank you for your time in advance.
>
> Regards,
> Janeet
>
>
>
> _______________________________________________
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> --
> ***************************
> David BRADLEY
> Principal
> Thermal Energy Systems Specialists, LLC
> 3 North Pinckney Street - suite 202
> Madison, WI  53703 USA
>
> P:+1.608.274.2577
> F:+1.608.278.1475d.bradley at tess-inc.com
> http://www.tess-inc.comhttp://www.trnsys.com
>
>
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