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Today's Topics:
1. IF statemenet (metkell yebiyo)
2. Re: IF statemenet (Fassnacht, Tillman (IEB))
3. type 536 (Messaouda Anis)
---------- Forwarded message ----------
From: metkell yebiyo <metkell@yahoo.com>
To: "trnsys-users@cae.wisc.edu" <trnsys-users@cae.wisc.edu>
Cc:
Date: Thu, 13 Feb 2014 13:19:08 +0000 (GMT)
Subject: [TRNSYS-users] IF statemenetDear TRNSYS users,Could you anyone tell me if it is possible to write an if statement in the equation box,I am trying to send a control signal based on the outside temperature, if outside air temperature isgreater than 18 deg C then the heat pump would run in cooling mode else if the outside air temperature is less than 14 deg C then the heat pump would run in heating mode.Any suggestions would be appreciated thank you very much.Regards,MetkelMetkel Yebiyo BEng (Hons), MScCEREB PhD Researcher - Ground Source Heat PumpsRoom T615Department of Urban EngineeringFaculty of Engineering, Science and the Built EnvironmentLondon South Bank University,103 Borough Road,London SE1 0AATel: +44 (0)20 7815 7639
---------- Forwarded message ----------
From: "Fassnacht, Tillman (IEB)" <tillman.fassnacht@kit.edu>
To: metkell yebiyo <metkell@yahoo.com>, "TRNSYS users mailing list at the Solar Energy Lab, UW-Madison" <trnsys-users@cae.wisc.edu>
Cc:
Date: Thu, 13 Feb 2014 14:31:01 +0100
Subject: Re: [TRNSYS-users] IF statemenetHello Metkel,
you have to utilize the greater than and less than function GT/LT in the right way.
GT(Tamb,18)+LT(Tamb,14)*2
è 0 no mode
è 1 cooling mode
è 2 heating mode
Mit freundlichen Grüßen / Kind Regards,
Tillman Faßnacht
Telefon: 0721 608 43769
Von: trnsys-users-bounces@cae.wisc.edu [mailto:trnsys-users-bounces@cae.wisc.edu] Im Auftrag von metkell yebiyo
Gesendet: Donnerstag, 13. Februar 2014 14:19
An: trnsys-users@cae.wisc.edu
Betreff: [TRNSYS-users] IF statemenet
Dear TRNSYS users,
Could you anyone tell me if it is possible to write an if statement in the equation box,
I am trying to send a control signal based on the outside temperature, if outside air temperature is
greater than 18 deg C then the heat pump would run in cooling mode else if the outside air temperature is less than 14 deg C then the heat pump would run in heating mode.
Any suggestions would be appreciated thank you very much.
Regards,
Metkel
Metkel Yebiyo BEng (Hons), MSc
CEREB PhD Researcher - Ground Source Heat Pumps
Room T615
Department of Urban Engineering
Faculty of Engineering, Science and the Built Environment
London South Bank University,
103 Borough Road,
London SE1 0AA
Tel: +44 (0)20 7815 7639
---------- Forwarded message ----------
From: Messaouda Anis <anis_messa@yahoo.fr>
To: "TRNSYS-users@cae.wisc.edu" <TRNSYS-users@cae.wisc.edu>
Cc:
Date: Thu, 13 Feb 2014 15:19:56 +0000 (GMT)
Subject: [TRNSYS-users] type 536Dear Trnsys_users,
For the type 536please it is possible to change the diameter of a tube.thank you
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