The 230L can not be setup for a NightLatch (L-NL) or Key Capture (L-KC).function where the key can only be removed when the lever is locked.
The key can be removed while the 230L lever trim is in the locked or unlocked state.
If a Nightlatch function is desired with a 22 Series Exit Device, consider either the 210NL or 230NL (vertical pull handle) trim options.
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