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8828 S. Archer Ave. • Willow Springs, IL 60480 • office 708.839.6840 • fax 708.839.0324 • toll-free 888.4.GEMCOM www.gemcom.com • Custom Graphic & Directory Annunciators • Custom Fire Alarm & Suppression Devices • • Custom Switches• Custom Signage • Safety Products • FAN BYPASS SWITCH Effective May 2010 PART# GEM BYPASS Specify 3 POLE OR 4 POLE Optional Surface Mount Back Box PART# GEM 2GRB page 1 of 2 INSTALLATION The 2-Gang plate mounts to GEMCOM’s Part# GEM 2GRB Surface Back Box and operates with dry contacts. This plate can also be flush mounted with a two-gang plaster ring on a deep 4” square 1900 box. Refer to Figures 1 & 2 for dimensions. 4.5625 4.5 1.375 1.8125 1.375 2 GANG PLATE .625 3.25 .625 FRONT VIEW FAN BYPASS SWITCH The FAN BYPASS provides a key switch for overriding fan operation while maintenance is in progress. Each FAN BYPASS has a rotary key lock with settings of “NORMAL” and “BYPASS”. Key can only be removed in the “NORMAL” position. This panel is also available with the key removable in both the “NORMAL” and the “BYPASS” positions. The information is silk-screened on a two-gang stainless steel plate. FIGURE 1 Your Logo Here 4.5625 1.1563 2.25 1.1563 2 SWITCH CONTACTS CLEARANCE 2 GANG PLATE TOP VIEW DIMENSIONS .375 FIGURE 2
