www.desatech.com113109-01G 17INSTALLATIONContinued5. Correct all leaks at once.6. Light fireplace (see Operation, page 19.Check all other internal joints for leaks.7. Turn off fireplace (see To Turn Off Gas toAppliance, page 20).INSTALLING LOGSCAUTION: Do not remove thedata plates attached to the heaterbase assembly. The data platescontain important warranty andsafety information.WARNING: Failure to posi-tion the parts in accordancewith these diagrams or failureto use only parts specificallyapproved with this heater mayresult in property damage orpersonal injury.WARNING: After installa-tion and periodically thereafter,check to ensure that no flamecomes in contact with any log.With the heater set to High, checkto see if flame contact any log. Ifso, reposition logs according tothe log installation instructionsin this manual. Flames contact-ing logs will create soot.It is very important to install the logs exactlyas instructed. Do not modify logs. Only uselogs supplied with fireplace.1. Place back log #1 on grate to fit as il-lustrated in Figure 24. Make sure middlesection at bottom of log set is seated into“U”-shaped cutout in center of chassis(see Figure 24). IMPORTANT: Make surelog does not cover any burner ports (seeFigure 25).2. Place front log #2 against front grateprongs as shown in Figure 24.3. Place crossover log #3 on top of front andback logs as shown in Figure 24.Figure 24 - Installing Log SetChassisCrossoverLog #3BurnerFrontLog #2 BackLog #1GrateProngsFigure 25 - Installing Log Set, Top ViewLog SetBurner Ports4. Install fireplace screen by slipping notchesof fireplace screen over screws on frontof fireplace (see Figure 26, page 18).WARNING: You must operatethis fireplace with the fireplacescreen in place. Make sure fire-place screen is in place beforerunning fireplace.