The ND electrified motor driven locks shipping as of March 14, 2016 has a field selectable operating mode, you can convert from EL to EU or EU to EL by flipping a switch on the chassis. See installation instructions here.
The electrified ND electrified solenoid driven lock shipped prior to March 14, 2016 can be converted between fail safe (EL) and fail secure (EU) by swapping out the solenoid, sleeve, and clip. The lock chassis will have to be disassembled and the following parts will have to be replaced, listed below. These parts are no longer available from Allegion. You could check with your local distributor to see if they still carry these parts. A second option is to order the new electrified motor driven chassis, (Example: ND80EL/EU LD LLL 626 LLL LLL, lever chassis).
Parts required for the older solenoid driven locks:INFORMATION PROVIDED THROUGH THIS SITE IS PROVIDED TO YOU AS IS WITHOUT ANY EXPRESS REPRESENTATIONS OR WARRANTIES OF ANY KIND, AND WE MAKE NO REPRESENTATION OR WARRANTY THAT THIS SITE(OR ANY INFORMATION PROVIDED IN RESPONSE TO YOUR INQUIRY), WILL BE ACCURATE, COMPLETE, OR ERROR-FREE.
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