The first two images of this post:
viewtopic.php?p=128096#p128096Shows you that you need the 1 minute data for effective volume. More specifically, the second image shows a table of the separation volume being calculated minute by minute. So it does not matter in which timeframe you load the effective volume indicators (5m, 15m, 30m, 1H, 4H, 1D), the calculation needs to be always be made using 1 minute timeframe.