Desa CTB3924PR Owner's Operation And Installation Manual

Also see for CSG3924NR: OWNER'S OPERATION AND INSTALLATION MANUAL OWNER'S OPERATION AND INSTALLATION MANUAL OWNER'S OPERATION AND INSTALLATION MANUAL Owner's operating & installation manual Owner's manual

Desa CTB3924PR Owner's Operation And Installation Manual Manual pdf 11 page image

110021-01BFor more information, visit www.desatech.comFor more information, visit www.desatech.com1111INSTALLING DAMPER CLAMP ACCESSORYFOR VENTED OPERATION(Remote-Ready Models Only)Note: When used as a vented heater, appliance must be installedonly in a solid-fuel burning fireplace with a working flue andconstructed of noncombustible material.If your heater is a manually-controlled, you may use this heater asa vented product. There are three reasons for operating your heaterin the vented mode.1. The fireplace does not meet the clearance to combustibles re-quirements for vent-free operation.2. State or local codes do not permit vent-free operation.3. You prefer vented operation.If reasons number 1 or 2 above apply to you, you must permanentlyopen chimney flue damper. You must install the damper clampaccessory (to order, see Accessories, page 34). This will insure ventedoperation (see Figure 10). The damper clamp will keep damper open.Installation instructions are included with clamp accessory.See chart below for minimum permanent flue opening you mustprovide. Attach damper clamp so the minimum permanent flueopening will be maintained at all times.Area of Various StandardRound FluesDiameter (ins.) Area (sq. ins.)5" 20 sq. inches6" 29 sq. inches7" 39 sq. inches8" 51 sq. inchesChimney Minimum PermanentHeight (ft.) Flue Opening (sq. ins.)6' to 15' 39 sq. inches15' to 30' 29 sq. inchesINSTALLATIONContinuedINSTALLING HEATER BASE ASSEMBLYWARNING: You must secure this heater to fire-place floor. If not, heater will move when you adjustcontrols. Moving heater may cause a gas leak.WARNING: If installing in a sunken fireplace, spe-cial care is needed. You must raise the fireplace floor toallow access to heater control panel. This will insureadequate air flow and guard against sooting and con-trols being damaged. Raise fireplace floor with noncom-bustible material. Make sure material is secure.CAUTION: Do not pick up heater base assemblyby burners. This could damage heater. Only handlebase assembly by sides of base.IMPORTANT: Make sure the heater burners are level. If heater isnot level, heater will not work properly. For thermostat models,avoid damage to thermostat bulb. Avoid nicks or sharp bends inthermostat bulb wire. Keep thermostat bulb in mounting bracketuntil ready to mount base to floor. See Optional Positioning ofThermostat Sensing Bulb, page 27.Installation Items Needed• hardware package (provided with heater)• approved flexible gas hose and fitting (not provided) (if allowedby local codes)• sealant (resistant to propane/LP gas, not provided)• electric drill with 3/16" drill bit (metal or masonry as applicable)• flathead screwdriver1. Connect fitting to base as shown in Figure 11. Connect approvedflexible gas hose to fitting in base (see Figure 11).IMPORTANT: Hold gas fitting with wrench when connectingflexible gas hose.Figure 10 - Attaching Damper ClampDamperDamperManufactured FireplaceMasonry FireplaceDamper ClampDamperFigure 11 - Attaching Flexible Gas Hose to HeaterFittingFlexible Gas Hose (ifallowed by local codes)INSTALLATIONInstalling Damper Clamp Accessory For Vented OperationInstalling Heater Base AssemblyDamperClamp