IES-VE User Forum

Hi,

I am wondering if you could let me know your experiences about the correct way of doing or treating ceiling void the DSM calculation ?

Question: can I create a separate zone for the purpose of ceiling void/services void in EPC calculation for level 5 project carried via DSM tool?

I am aware ...

Terrance

Thank you for your response,

Based on your explanation ; I assume you are saying that I should not turn off /edit aux vent profile to off continuous as the model will need to account heat loss associated with natural ventilation system , however ventilation rate here is treated as ...

Thank you Complex Potential for taking time and responding my question , you seem to be the only one in this whole entire forum that responds :) may be I need your direct email :)

In response to your comment ; you can set ventilation type from the UK NCM wizard as mech vent, air con, or natural ...

I would like to ask question about the Auxiliary ventilation rate in the DSM calculation.

Why does the software assign aux vent to naturally ventilated spaces ? are we allowed to turn vent profile off in the compliance calculation to disable vent rate in the actual building ?

Although I set zones ...

I have several questions regarding to delivery efficiency used in DSM compliance calculations

1- If you have multi apache systems serving various part of the building , how can i determine site wide delivery efficiency encompassing all system ( does the system use weighted averaged or similar ...

Thank you Complex Potential for your response above

Yes I do agree with you , where full design calculation is available , inference method should not be used as stated in the SBEM and EPC convention guide . Nevertheless this does not answer my concern regarding the use of lux method (W/m2/100 LUX ...

Question : It has come to my attention that it occurs to be some discrepancies between actual design light efficacy value and software calculated values when lux method is in the UK DSM calculation. The actual design on paper appears to be more efficient than output from the model , can anyone ...

Thank you Complex Potential for your response below,

I would like to ask you some questions or anyone who may answer

Does this mean I will need to assign 5ACH for every naturally ventilated spaces (through the Apache view system section where you define free cooling flow rate ) or it is only ...

Hi 8-)

I need to run PartL Compliance calculation via DSM method for naturally ventilated building , I am using the same model that I created for the purpose of overheating assessment , all openings (including windcathers) are controlled by temperature and CO2 , My observation is when I link ...

Thank you Complex potential for taking time and responding to my enquiry

Yes you seem to be doing the right thing , I just want to add the following after receiving confirmation from CIBSE EPC accreditation , they also confirmed that you can lodge EPC using DSM calculation for level 3or4 projects ...