111115-01A10For more information, visit www.desatech.comFor more information, visit www.desatech.com8. Remove heater base from fireplace. If installing optional con-trol accessories, do so at this time. Follow all directions pro-vided with accessory. See Installing Optional Remote ControlAccessories, below.9. Drill holes at marked locations using 3/16" drill bit.10. Attach base assembly to fireplace floor using two masonryscrews (in hardware package).FittingFlexible Gas Hose(if allowed by localcodes)OFFPILO TONHILOOFFPILOTONHILOFigure 11 - Attaching Flexible Gas Hose to HeaterFigure 12 - Attaching Base Assembly to Fireplace FloorMasonry ScrewMountingFlangeINSTALLATIONContinuedINSTALLING HEATER BASE ASSEMBLYWARNING: If installing in a sunken fireplace,special care is needed. You must raise the fireplacefloor to allow access to heater control panel. This willinsure adequate air flow and guard against sooting.Raise fireplace floor with noncombustible material.Make sure material is secure.CAUTION: Do not pick up heater base assemblyby the burner. This could damage heater. Only handlebase assembly by grates.WARNING: You must secure this heater to fire-place floor. If not, heater will move when you adjustcontrols. Moving heater may cause a gas leak.IMPORTANT: Make sure the heater burner is level. If heater is notlevel, heater will not work properly.Installation Items Needed• hardware package (provided with heater)• approved flexible gas hose (not provided) (if allowed by localcodes)• sealant (resistant to propane/LP gas, not provided)• electric drill with 3/16" drill bit (metal or masonry as applicable)• flathead screwdriver1. Apply pipe joint sealant lightly to male threads of the fitting tobe threaded into gas control. Connect approved flexible gas hoseto gas control fitting in heater (see Figure 11).IMPORTANT:Hold gas fitting with wrench when connecting flexible gas hose.2. Locate two masonry screws in hardware package.3. Place heater base in fireplace.4. Place logs in their proper position on heater base. See Install-ing Logs, pages 13 and 14.5. Center heater base and logs front-to-back and side-to-side infireplace.6. Carefully remove logs without moving heater base.7. Mark screw locations through one hole on each side of themounting bracket (see Figure 12). If installing in a brick-bot-tom fireplace, mark screw locations in mortar joint of bricks.CAUTION: Do not remove the data plates attachedto the heater base assembly. The data plates containimportant warranty and safety information.INSTALLATIONInstalling Heater Base AssemblyInstalling Optional Remote Control AccessoriesINSTALLING OPTIONAL REMOTE CONTROLACCESSORIESInstalling Remote ReceiverAll remote control accessories are available separately (see Acces-sories, page 27). The remote receiver for these accessories will beinstalled using the bracket located on the front left side of the base.1. Disconnect jumper wire from control valve at TPTH and THlocations (see Figure 13),2, Install remote receiver into receiver bracket using push buttonclips provided with receiver (see Figure 14, page 11).3. Connect wires to control valve at the TPTH and TH locationsas shown in Figure 15, page 11.Figure 13 - Disconnecting Jumper Wire from Control ValveJumperWireControlValve