You need a dual setpoint with dead band thermostat so you can set the heating low and the cooling high. That will keep Ideal Air system off.
Ned Lyon, P.E. (MA, WV)
Staff Consultant
SIMPSON GUMPERTZ & HEGER
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From: EnergyPlus_Support@xxxxxxxxxxxxxxx [mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx]
Sent: Wednesday, April 22, 2015 2:30 PM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: [EnergyPlus_Support] Re: How to disable the heater system in HVACTemplate:Zone:IdealLoadsAirSystem ? [1 Attachment]
Thanks for your reply.
The problem is when I set the thermostat temperature higher than the outdoor temperature it still can make the indoor temperature higher than the outdoor temperature which should not be because I do not want to use a heater in my model.
How I can do it?
I attached the plot of the temperature result.
Thank you.
-Wichai
---In EnergyPlus_Support@xxxxxxxxxxxxxxx, <ivankorolija@...> wrote :
You can have thermostat temperature set point higher than outdoor temperature and still have cooling
demand due to solar gains and internal gains, which means your cooling system consumes energy to keep interior temperature at cooling set point level.
Cheers,
Ivan
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Dr Ivan Korolija
IESD, De Montfort University, Leicester, UK
On Thursday, April 16, 2015 10:24 AM, "pong_cpre@... [EnergyPlus_Support]" <EnergyPlus_Support@xxxxxxxxxxxxxxx>
wrote:
Hello everyone,
In my experiment, I connected E+ and MATLAB via BCVTB. I am trying to find the characteristic between the outdoor, indoor, and thermostat set point
temperature and the energy usage (W) of the HVAC system.
Because I want to use just the cooling system in my model so, I modeled a room and used HVACTemplate:Zone:IdealLoadsAirSystem with a ThermostatSetpoint:SingleCooling
without a heating control but, when I set the thermostat temperature set point higher than the outdoor temperature, it still can make the indoor temperature to be as the set point, and it consumes the energy too.
The IDF file is attached.
Please kindly tell me how to use just a cooling system in my model.
Now I can just specific just the outdoor and thermostat set point temperature but not with the indoor temperature to obtain the energy usage.
If there is a way to set it, please guide me.
Sorry for my bad English.
Thank you very much.
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Posted by: "Edward G. Lyon" <EGLyon@xxxxxxx>
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