www.desatech.com 901053-01J2INSTALLATIONBtu/Hr Input Btu/Hr Input MinimumMODEL DESCRIPTION Natural Gas Propane Gas Vent OpeningCVSR18 18" Single Burner 50,000 40,000 8" dia.CPVSR18 18" Single Burner 50,000 40,000 8" dia.CVSR24 24" Single Burner 60,000 50,000 8" dia.CPVSR24 24" Single Burner 60,000 50,000 8" dia.CVDR18 18" Dual Burner 55,000 45,000 8" dia.MD18 18" Dual Burner 55,000 45,000 8" dia.CVDR24 24" Dual Burner 65,000 55,000 8" dia.MD24 24" Dual Burner 65,000 55,000 8" dia.CVDR30 30" Dual Burner 70,000 60,000 8" dia.(C)BFL(T,R) 18" Triple Burner 65,000 55,000 8" dia.(C)BFL(T,R) 24" Triple Burner 70,000 60,000 8" dia.FUEL PRESSURESPECIFICATIONS (W.C.)Inlet Manifold*NG 5.5"-10.5" 3.5"LP 11"-13" 10"* ± .2"CHECK GAS TYPEYou must install this Remote Ready Valve/Pilot Kit if your gas type is propane/LP. For ad-ditional convenience and safety, this RemoteReady Valve/Pilot Kit can be used with naturalgas. If you are unsure of the proper applica-tion, call dealer where you bought log set.If the fireplace does not have a gas supplyshutoff valve, one must be installed.CONNECTING TO GAS SUPPLYWARNING: This appliancerequires a 1/2" NPT (NationalPipe Thread) inlet connection tothe pressure regulator.Figure 1 - Technical Information ChartsMINIMUM FIREBOX SIZESFRONT BACKMODEL WIDTH* WIDTH** DEPTH HEIGHT18DR/SR/MD 28" 16" 14" 18"24DR/SR/MD 29 3/4 " 17" 15 1 /2 " 18"30DR 36" 27" 18" 18"BFL18 28" 16" 15 1 /2 " 18"BFL24 30" 22" 15 1 /2 " 18"* Add 6" if valve/pilot is used**At depth indicatedBURNER ORIFICENATURAL PROPANE/LPLOG SIZE In. Num. CLR. In. Num. CLR.18SR/DR/MD 0.129 30 Green 0.073 49 Red24SR/DR/MD/BFL18 0.141 28 Yellow 0.086 44 Orange30DR/BFL24 0.157 22 Yellow/ 0.089 43 BlackBlueWARNING: A qualified serviceperson must connect log set to gassupply. Follow all local codes.CAUTION: Never connect pro-pane/LP appliance directly to thepropane/LP supply. This appliancerequires an external regulator(not supplied). Install the externalregulator between the heater andpropane/LP supply.