www.desatech.com 113109-01G22OPERATIONContinuedAuto (Thermostatic) Mode1. Press the POWER and LOCK buttonstogether to turn on the hand-held remotecontrol.2. Press AUTO button to select this mode.3. Set the desired room temperature bypressing the TEMP + or - buttons.4. Press the POWER and LOCK buttonstogether to turn off the fireplaceNote: Do not leave the hand-held remote inthe AUTO mode close to the fireplace. Theradiant heat from the fireplace will turn off thefireplace. Ideally, place the hand-held remotein the center of the room facing towards thefireplace.Note: Do not hold the hand-held remote fora long time. Body temperature will affect itsoperation in the AUTO mode.Safety FeaturesWhen away from home for an extended periodof time or as a child safety feature to preventaccidental ignition of the fireplace, the receiverON/OFF/REMOTE switch should be in theOFF position.Auto Shutoff Feature1. If the average room temperature reachesa range of 82° F (28° C) to 92° F (33° C),the hand-held remote control will performa safety override and shut the fireplaceoff. This feature is not available in theMANU mode.2. The receiver continuously receives sig-nals from the hand-held remote to controlthe room temperature. If the hand-heldremote is misplaced, obstructed or for anyreason cannot transmit to the receiver, thereceiver will shut off the fireplace. This willoccur in 8 or more minutes dependingupon location of remote transmitter andstrength of batteries.Key Pad Lock FeatureThis feature allows the user to lock/unlock thekeypad on the hand-held remote in the MANUor AUTO mode to prevent inadvertent op-eration (i.e. children operating the hand-heldremote control, etc.). The keypad is locked ineither on or off. Press the POWER and LOCKbuttons together to turn the unit on or off.Figure 37 - Thermostat Hand-HeldRemote Control Unit (HRC200)LOCKMANU AUTOºC/ºFTEMP POWERROOMTEMPSETTEMPAUTOTurnsHand-HeldRemote Onor Off andAllows Youto Choosethe ManualSettingSelectsAUTOMode°C/°F ModeButtonLocksSystem toPreventAccidentalIgnitionTurnsBurnersOn orOffIncreasesor Decreases RoomTemperature inAUTO ModeDigital Display ShowsTemperature and SettingsOpTIONAL BLOWEROpERATIONLocate the blower switch by opening lowerlouver on fireplace. Blower switch is locatedat lower right inside louver door.The GA3700T Series thermostat-controlledblower has a variable speed control with anON/OFF switch. The blower will start whenthe thermostat senses a sufficient increase infirebox temperature. The GA3700 series vari-able speed blower also has an ON/OFF switchbuilt into the variable speed control.Note for GA3700T Series Only: If you are us-ing GA3700T blower, your fireplace and blow-er will not turn on and off at the same time.The fireplace may run for several minutesbefore the blower turns on. After the heatermodulates to the pilot position, the blower willcontinue to run. The blower will shut off afterthe firebox temperature decreases.Note: It is safe to operate fireplace with blowerturned off. However, the blower helps distrib-ute heated air from the fireplace.Follow installation instructions included withthe blower accessory.