[TRNSYS-users] Type927 - Temperature Control Load Outlet

[thornton at tess-inc.com]

On 2022-02-16 04:33, Mehmet Yildirim via TRNSYS-users wrote:
> Dear TRNSYS Users,
> 
>  I trying to model a ground source heat pump system using Type557-a
> and Type927. I would like to control the outlet temperature of the
> load. However, as I was reading in old posts and testing in TRNSYS,
> Type927 has a constant speed compressor. I was trying couple of
> control strategies but none of them was able to control the outlet
> temperature of the load.

Have the heat pump charge a storage tank with it's typical on/off 
operation.  Then draw from the storage tank with a tempering valve to 
maintain the desired outlet temperature to the load. In that way you are 
decoupling the load requirements from the source supply and both loops 
can operate as desired.

Jeff
-- 
Jeff W. Thornton
President
Thermal Energy System Specialists LLC
3 N. Pinckney Street, Suite 202
Madison WI 53703 USA
(608) 274-2577
www.tess-inc.com