107032-01EFor more information, visit www.desatech.comFor more information, visit www.desatech.com1313Figure 16 - Installing Blower Bracket Assembly3. Note the wire locations on back of AUTO/OFF/ON switch.The terminals on back of switch are numbered 1, 2, and 3.Carefully remove red wire from terminal 3 and blue wire fromterminal 1. Black wire can remain on middle terminal 2 (seeFigure 16).4. Carefully disconnect green and white wires at their insulatedconnectors (see Figure 17).5. In top of the fireplace cabinet, locate the four mounting holeson the outer casing. Align these four holes with those on theblower bracket assembly. Attach blower bracket assembly tothe outer casing with 4 #10 screws provided (see Figure 16).6. Route the wire harness through the hole in left side of baffle.Pull wire harness through lower opening on the side of thevalve cover shield. (see Figure 16).7. Insert the 4 wire harnesses into one of the round holes in the rearof the valve cover shield and through the rectangular hole in thefront of shield (see Figure 16).8. Reconnect red wire to switch position 3. Reconnect blue wireto switch position 1. Reconnect green and white wires.321WireHarnessBlower BracketAssemblyScrewWireHarnessSwitchBaffleWiring RoutingHole in BaffleSwitchPlate BlueRedValveCoverShieldSnapBushingPower CordINSTALLATIONContinuedFigure 18 - Installing Switch Plate to Valve Cover ShieldFigure 17 - Wiring Diagram For Blower Accessory StandardInstallationRedRedFan Switch(Auto/Off/On)BlueBlueThermostatSwitch(N.O.)GreenWhiteGreenWhiteOn110/115V.A.C. BlowerMotorBlackOff123Auto9. Install the switch plate on the valve cover shield with 2 #10screws provided (see Figure 18). Route power cord out of thecabinet by inserting it through the bushing on the outer casing(see Figure 16). Plug fan kit into 120-Volt grounded power sup-ply and test operation.Note: When switch is in the AUTO posi-tion, the fan will start after the fireplace has run for a few mo-ments. The fan will continue to run for several moments afterthe fireplace has been turned off. When switch is in the ONposition, the fan will run until turned to OFF. Reinstall upperlouver assembly (see Figure 15, page 12) and branch support.Close lower louver door.Valve CoverShieldSwitchPlateScrewFor Built-In InstallationWARNING: A licensed electrician must connect thewiring harness to electrical supply following all localcodes. Electrician must provide a clamp on the boxcover to secure the wiring. Wiring should be routedthrough the bushing in the hole on the outer casing offireplace.1. Install a snap bushing found in hardware kit into one of the holeson rear of valve cover shield. The other hole is for a strain reliefclamp (not supplied) to secure incoming electrical supply.2. Follow steps 2 through 6 in Installing Blower Accessory, pages12 and 13.BlackBlowerMountingHolesLower Louver DoorINSTALLATIONInstalling Blower Accessory GA3450T in Remote-Ready Models (Cont.)