www.desatech.com 111161-01H3SPECIFICATIONSWIRING DIAGRAM TECHNICAL SERVICEYou may have further questions about installation,operation or troubleshooting. If so, contact DESAHeating Products’ Technical Service Department at1-866-672-6040. When calling, please have yourmodel and serial numbers of your heater ready.You can also visit DESA Heating Products’ techni-cal service web site at www.desatech.com.SERVICE HINTSWhen Gas Pressure Is Too Low• pilot will not stay lit• burners will have delayed ignition• heater will not produce specified heat• propane/LP gas supply may be lowYou may feel your gas pressure is too low. If so,contact your local propane/LP gas supplier.ReceiverBlackOnOffRemote RedRedWhiteThermopileGas ControlTPTH THTPTH TPCCL3018PR and CCL3018PRA• Rating (Variable): 16,000/30,000 Btu/Hr• Type Gas: Propane/LP• Ignition: Piezo• Manifold Pressure: 8.0" W.C.• Inlet Gas Pressure (in. of water):Max - 14" W.C., Min* - 11" W.C.CCL3018NR and CCL3018NRA• Rating (Variable): 16,000/30,000 Btu/Hr• Type Gas: Natural• Ignition: Piezo• Manifold Pressure: 3.5" W.C.• Inlet Gas Pressure (in. of water):Max - 10.5" W.C., Min* - 5" W.C.CCL3024PR, CCL3924PRA andCCL3939PR• Rating (Variable): 20,000/39,000 Btu/Hr• Type Gas: Propane/LP• Ignition: Piezo• Manifold Pressure: 8.0" W.C.• Inlet Gas Pressure (in. of water):Max - 14" W.C., Min* - 11" W.C.CCL3024NR, CCL3924NRA andCCL3939NR• Rating (Variable): 20,000/39,000 Btu/Hr• Type Gas: Natural• Ignition: Piezo• Manifold Pressure: 3.5" W.C.• Inlet Gas Pressure (in. of water):Max - 10.5" W.C., Min* - 5" W.C.CCL3930PR and CCL3930PRA• Rating (Variable): 20,000/39,000 Btu/Hr• Type Gas: Propane/LP• Ignition: Piezo• Manifold Pressure: 8.0" W.C.• Inlet Gas Pressure (in. of water):Max - 14" W.C., Min* - 11" W.C.CCL3930NR and CCL3930NRA• Rating (Variable): 20,000/39,000 Btu/Hr• Type Gas: Natural• Ignition: Piezo• Manifold Pressure: 3.5" W.C.• Inlet Gas Pressure (in. of water):Max - 10.5" W.C., Min* - 5" W.C.* For the purpose of input adjustment