The daily limits can indeed be increased by increasing the reserve. They are effective the next business day once the funds have been received by the solution provider.
In the event you have your own payout partner (which has a correspondent tie-up agreement with the US solution provider), then the daily reserve requirement is not applicable.
-  What is a Tri-Party Correspondent Tie-Up Agreement
-  What is a Correspondent Tie up? & Why is it necessary?
This page was last updated on February 17, 2023.