110149-01AFor more information, visit www.desatech.comFor more information, visit www.desatech.com14INSTALLATIONInstalling Thermostatic Blower Accessory (Cont.)INSTALLATIONContinued10. Place control knob provided on plastic control shaft of speedcontrol (see Figure 20).11. Mount the speed control onto the front leg of the left floorsupport bracket using 2 screws provided (see Figure 20).Blower#8 ScrewsLowerRear Wallof FireboxExhaustPortTopMountingTabControl KnobScrewsSpeedControlFloorSupportBracketFigure 20 - Attaching Speed Control (VTGF33NR/VTGF33PRShown)13. Check to make sure that the power cord and all wires are com-pletely clear of the blower wheel and that there are no otherforeign objects in blower wheel.12. Plug in blower power cord.a. If your firebox is installed as a freestanding unit with anaccessory mantel, determine whether the power cord willexit the left side or the right side of the firebox. Install oneplastic bushing provided into the 1 1/2" hole in the floor sup-port on the exit side. Install the second bushing provided intothe 1 1/2" hole in the outer casing through which the powercord will exit (see Figures 21 and 22). Route power cordthrough plastic bushings and plug the power cord into a prop-erly grounded three-prong wall receptacle near the firebox.b. If your fireplace system installation is recessed and if anoutlet is not installed in your fireplace, you must installthe GA3555 Outlet kit with cover in your fireplace whichwill supply a convenient 3-prong grounded electrical outletfor your blower. Refer to the installation manual providedwith the model GA3555 accessory for instructions on wir-ing the duplex outlet.Note: A qualified installer must make all electrical connections.WARNING: Failure to connect all wires properlyas indicated may cause electrical short circuit orpersonal injury. A qualified electrician should checkthat all connections are made properly.Figure 21 - Installing Plastic Bushing for Power Cord (Right SideExit Shown) (VTGF33NR/VTGF33PR Shown)Right FloorSupport BracketPlasticBushingFigure 22 - Installing Bushings (Left Side Exit shown)(VTGF33NR/VTGF33PR Shown)Bushing Locationfor RecessedInstallationBushingLocation forFreestandingInstallationPlasticBushing14. Peel off backing paper and stick supplied wiring diagram de-cal near center of firebox bottom (see Figure 23, page 15).CAUTION: Never touch the blower wheel while inoperation.Figure 19 - Mounting Blower to Firebox (VTGF33NR/VTGF33PRShown)