107032-01EFor more information, visit www.desatech.comFor more information, visit www.desatech.com2121INSTALLATIONContinuedFigure 38 - Installing Remote Receiver* Wire harness provided in the fireplace hardware pack.Wires fromValveWire Harness*Black WireRed WireRed WireBlack WireRemoteReceiverInstalling 9-Volt Battery in Hand-Held RemoteControl Unit1. Remove battery cover on back of remote control unit.2. Attach terminal wires to the battery (not included). Place bat-tery into the battery housing.3. Replace battery cover onto remote control unit.Figure 39 - Installing Battery in Hand-Held Remote Control Unit(GHRC Series)Battery Cover9-VoltBatteryTerminalWires RemoteControl UnitBatteryHousingFigure 40 - Installing Battery in Hand-Held Remote Control Unit(GHRCTA Series)RemoteControl UnitBattery CoverTerminal Wires9-VoltBatteryBatteryHousingOPTIONAL WALL MOUNTED THERMOSTAT -GWMT1(Remote-Ready Models Only)WARNING: Do not connect this thermostat to anyelectrical source! Electrical shock and/or fire hazardwill occur.1. Connect one terminal of 25 ft. wire to bottom contact of switch(see Figure 41).2. Connect remaining wire terminal to the “TH” terminal on thecontrol valve. Make sure that wire terminals are in the posi-tions on your unit as pictured in Figure 41. If wires are not“crossed” the thermostat will not work.3. Route the 25 ft. wire to a convenient location to mount yourthermostat (no outside wall).IMPORTANT: The wire may beshortened but must not be lengthened.The thermostat should be mounted 54" above the floor in a loca-tion where there is good air circulation. Avoid heat sources suchas lamps, direct sunlight, fireplace, or heat and air conditioningducts.4. Gently remove the cover of the thermostat from the base. Graspthe sides of the cover firmly and pull to separate from the base.5. Feed the electrical wires through the rectangular slots on eachside of the base (see Figure 42, page 22).WARNING: Read and follow installation instruc-tions. Installation should be done by a qualifiedinstaller familiar with low-voltage wiring procedures.Figure 41 - Connecting Wire TerminalsAUTOOFFONOneterminalof 25 ft.wireSwitch on GasFireplaceTo WallThermostator SwitchTo WallThermostator SwitchControlValveWARNING: Do not connect the thermostat to apower source. Electrical shock and/or a fire hazardwill occur.INSTALLATIONOptional Wireless Hand-Held Remote Control Accessories [Remote-Ready Models Only] (Cont.)Optional Wall Mounted Thermostat - GWMT1 [Remote-Ready Models Only]