Desa SVYD18NRA/PRA SERIES Owner's Operation And Installation Manual

Also see for SVYD18NRA Series: OWNER'S OPERATION AND INSTALLATION MANUAL

Contents

www.desatech.com113084-01A 173. Press the POWER and LOCK buttons to-gether to turn off the heater.Auto (Thermostatic) Mode1. Press the POWER and LOCK buttons togetherto turn on the hand-held remote control.2. Press AUTO button to select this mode.3. Set the desired room temperature by press-ing the TEMP + or - buttons.4. Press the POWER and LOCK buttons to-gether to turn off the fireplaceNote: Do not leave the hand-held remote in theAUTO mode close to the fireplace. The radiantheat from the fireplace will turn off the fire-place. Ideally, place the hand-held remote in thecenter of the room facing towards the fireplace.Note: Do not hold the hand-held remote for along time. Body temperature will affect its op-eration 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 exceeds82 degrees Fahrenheit (28 degrees Centi-grade), the hand-held remote control willperform a safety override and shut the fire-place off. This feature is not available inthe MANU mode.2. The receiver continuously receives signalsfrom the hand-held remote to control theroom temperature. If the hand-held remoteis misplaced, obstructed, or for any reasoncannot transmit to the receiver, the receiverwill shut off the fireplace after 8 minutes.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 opera-tion (i.e. children operating the hand-held re-mote control, etc.). The keypad is locked in ei-ther on or off. Press the POWER and LOCKbuttons together to turn the unit on or off.OPERATING HEATERContinuedINSPECTING BURNERSCheck pilot flame pattern and burner flame pat-terns often.PILOT FLAME PATTERNFigure 25 shows a correct pilot flame pattern. Figure26 shows an incorrect pilot flame pattern. The incor-rect pilot flame is not heating the thermocouple. Thiswill cause the thermocouple to cool. When thethermocouple cools, the heater will shut down.If pilot flame pattern is incorrect, as shown in Fig-ure 26• turn heater off (see To Turn Off Gas to Appli-ance, page 15• see Troubleshooting, pages 19 through 21Note: The pilot flame on natural gas units willhave a slight curve, but flame should be blue andhave no yellow or orange color.BURNER PRIMARY AIR HOLESAir is drawn into the burner through the holes inthe fitting at the burner entrance. These holes maybecome blocked with dust or lint. Periodically in-spect these holes for any blockage and clean ifneeded. Blocked air holes will create soot.MAIN BURNERPeriodically inspect all burner flame holes withthe heater running. All slotted burner flame holesshould be open with yellow flame present. Allround burner flame holes should be open with asmall blue flame present. Some burner flame holesmay become blocked by debris or rust, with noflame present. If so, turn off heater and let cool.Remove blockage. Blocked burner flame holeswill create soot.Pilot BurnerFigure 25 - Correct Pilot Flame Pattern(Propane/LP Shown)Figure 26 - Incorrect Pilot Flame Pattern(Propane/LP Shown)ThermocouplePilot BurnerThermocouple