Copyright © 2012, Sargent Manufacturing Company, an ASSA ABLOY Group company. All rights reserved.
Reproductions in whole or in part without express written permission of Sargent Manufacturing Company is prohibited.
12/30/12
1 A8094B
S1/S2 Replacement Controller Instructions
52-4424, 52-4425, 52-4533, 52-4537
FOR INSTALLATION ASSISTANCE CONTACT SARGENT • 1-800-810-WIRE (9473) • www.sargentlock.com
1. On the inside of the door, remove the security screw from the battery
cover on the inside escutcheon (Fig. 1).
2. Lift and remove the battery cover (Fig. 1).
This controller has been configured as a generic replacement.
The serial number MUST be changed before it can be used!
(For serial configuration, refer to Step 2 - Configure Serial Number )
NOTE: For S2 Controllers previously labeled 52-4426, use 52-4425 for the
replacement controller part number.
1 - Replace Controller
Fig. 1
6. Remove inside escutcheon assembly from door.
3a. For exit devices, continue to Step 4 (the inside lever handle does
not need to be removed in order to change the controller).
3b. For a cylindrical lock, remove the inside lever handle by inserting
the push-pin tool (provided with lock) as shown in Figure 2A.
3c. For a mortise lock, remove the inside lever handle by loosening
the lever handle set screw (Fig. 2B).
4. Remove top and bottom through-bolts from inside escutcheon.
5. Carefully separate escutcheon slightly from door and disconnect
antenna (iCLASS only), gray ribbon reader cable, green grounding wire,
motor harness, DPS harness (Fig. 2C), and hard-wired harness/PoE (if present).
Set Screw
Fig. 2B
Inside Lever
Inside of door
Push-Pin Tool
Fig. 2A
Fig. 2C