Simplex 4120 Network Processing Unit (NPU) Back Box Installation

SSimplex Network Processing Unit NPU Box Installation Instructions The 4120 Network Processing Unit NPU Back Box is shipped from the factory with the hinges mounted the back box Remove the hinges from the inside of the box and remount them on the outside of the Remove the back box from the shipping container and lay the back box on a flat surface Using information on the back of this sheet for reference install the back box For specific internal wiring directions refer to Figure 1 the label on the CPU Bay and to Field Wiring Diagram WIRING ONLY Wiring Only WIRING ONLY 1 Field installed Power Limited wiring must be confined to the areas defined in Figure 1 Field installed Non Power Limited wiring Power City or External Battery must be installed in the area of the as indicated by the shaded zones shown in Figure 1 1995 Simplax Tme Recorder Co Gardner MA 014414001 cnecifwbons omer shown were cunwt of pubiicabon are subject change without 574 318 NPU BACK BOX INSTALLATION Box Installation Chart Note 4 Note 6 Note 6 OPENING Note 6 BOX MUST BE LEVEL AND PLUMB WHEN INSTALLED FRONT SURFACE OF BOX MUST AT LEAST INCHES FROM WALL SURFACE FOR SEMI FLUSH BOX 2 DIMENSIONS SHOWN ARE TYPICAL FOR ALL SURFACE AND SEMI FLUSH USE SUITABLE PUNCH WHEN CONDUIT REQUIRED AND NO KNOCKOUT PRESENT USE PINCH KNOCKOUT WEIGHT IN POUNDS AND DOES NOT INCLUDE THE BATTERIES BOlTOM CANNOT ACCOMMODATE CONDUIT WHEN 33 AH BAlTERtES ARE USED USE ROUGH OPENtNG DIMENSIONS WHEN PREPARtNG SEMI FLUSH HEtGHT AND WtDTH MEASUREMENTS IN INCHES LOCATE NON POWER LIMITED WtRtNG SHADED AREA ONLY 1 574 318