[TRNSYS-users] temperature set points

Alastair McDowell alastair.mcdowell at energyae.com
Sun Jan 31 17:53:57 PST 2016

Hi Vagias,

There is a good example in the TRNSYS examples of a TRNSYS model of a building with a heating and cooling device, and a controller with heating/cooling set points.

There is an article on our TRNSYS GURU website which will show you how to include a schedule to that example model to ensure the HVAC heating/cooling device only operates between 8am-4pm.

Have a look and see if that helps to solve your problem: http://help.trnsys.guru/hc/en-us/articles/216759867

Try outputting several variables to an online plotter to see where the linking of information is breaking down.

I don't mind if you send me your Studio files and I'll have a look.
Kind regards,
Alastair McDowell
Engineering Consultant
Energy Analysis & Engineering - Enabling innovation for a sustainable future
T: +61 450 600 842
E: alastair.mcdowell at energyae.com<mailto:alastair.mcdowell at energyae.com>
608 Harris St Sydney NSW 2007 Australia | http://www.energyae.com<http://www.energyae.com/>

From: TRNSYS-users [mailto:trnsys-users-bounces at lists.onebuilding.org] On Behalf Of Vagias Vagias
Sent: Saturday, January 30, 2016 2:21 AM
To: trnsys-users at lists.onebuilding.org
Subject: [TRNSYS-users] temperature set points

Hello to everybody!

When i try to apply set points for heating and cooling i have a problem that i can't solve.
First of all i have set points at 26 for cooling and 20 for heating. but all i get is that the temperature go between 20-26, even though the schedule i have is 00.00-08:00-->0 , 08:00-16:00-->1 , 16:00-24:00-->0.

So from 16:00 to 08:00 the temperature go till 20 when it is cold outside and till 26 when it is hot, eventhough , heating and cooling is turned off because of the schedule. any ideas??

Thank u!

Vagias Vagias
post graduate student
School of Environmental Engineering
Technical University of Crete
Polytechnioupolis 73100 Chania, Crete, Greece

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