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How to limit time step size, when time depend solver neglects Nyquist Theorem?

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I have a boundary condition: Boundary Temperature varies as: 293.15[K] + sin(t/100[s]) * 1[K]

The Time Dependend Solver generates a time series beginning with
0,1,10,20,40,80,160,320,640,1280 ...
where the last time step obviously severely surpaces the Nyquist frequency limitation.
So it seems I have to set a limit for time steps manually.

How will I have to do that?

I attach a screen-shot of the problem

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