IES-VE User Forum

this problem still exists in the latest version..
scare me.

you need to set the control schedule correct besides assigning a room to one multiplex.
check "system setpoint and schedule" in equipment sizing session in the help mannual.

another solution without running apachehvac is: set the thermostat setting in room thermal settings.

Hi all

anyone, please kindly enlighten me how to do the cooling tower setting if there are multiple ewc chillers.

From new water loop GUI, i can see there is only one cooling tower serving whatever numbers of chiller you have.
And clicking on cooling tower, there is only one input for cooling ...

May I know where is the clo, velocity setting?
I can not find it.
Thanks in advance

Hi Greg

I just try to answer directly.

1. When is the appropriate time to set the heating/cooling capacity, supply air flow, ventilation air flow in proposed and baseline systems?
For baseline, flowrate setting and coil size will be done automaticaly through "assign room sizing data"
fan data is ...

solved. caused by a wrong setting in room condition tab.

It is better to read through Apache View manual and PRM manual several times to fully understand them and the process.

Another thing is try to use a small model to test and monitor what is happening in every step.

you can not calc the external temperature by using conduction heat gain and inner surface temperature.
This method is for steady heat transfer not transient.

Hi all
I am working on a residential project located in tropical climate.
For Residential building, space like bedroom will have a negative thermal flow for external wall at night time, which means heat is transferred from space to ambient.
This seems not reasonable to me.

The cooling load calc ...

I am facing the same problem and seeking for solution.