Desa CDR3924NT installation manual Safety Information

Page 3

SAFETY INFORMATION

WARNING: This product contains and/or generates chemicals known to the State of California to cause cancer or birth defects, or other reproduc- tive harm.

IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, op- erate, or service this heater. Improper use of this heater can cause property damage and serious injury or death from burns, fire, explosion, electrical shock, and carbon monoxide poisoning.

DANGER: Carbon monoxide poisoning may lead to death!

Carbon Monoxide Poisoning: Early signs of carbon monoxide poisoning resemble the flu, with headaches, dizziness, or nausea. If you have these signs, the heater may not be working properly. Get fresh air at once! Have heater serviced. Some people are more affected by carbon monoxide than others. These include pregnant women, people with heart or lung disease or anemia, those under the influence of alcohol, and those at high altitudes.

Natural and Propane/LP Gas: Natural and pro- pane/LP gases are odorless. An odor-making agent is added to the gas. The odor helps you detect a gas leak. However, the odor added to the gas can fade. Gas may be present even though no odor exists.

Make certain you read and understand all warn- ings. Keep this manual for reference. It is your guide to safe and proper operation of this heater.

WARNING: Any change to this heater or its controls can be dangerous.

WARNING: Do not use a blower insert, heat exchanger insert, or other accessory not ap- proved for use with this heater.

WARNING: This appliance is for installation only in a solid-fuel burning fireplace or approved ventless firebox en- closure.

WARNING: Do not allow fans to blow directly into the fireplace. Avoid any drafts that alter burner flame patterns. Ceiling fans can create drafts that alter burner flame patterns. Altered burner patterns can cause sooting.

Due to high temperatures, the appliance should be located out of traffic and away from furniture and draperies.

Do not place clothing or other flammable material on or near the appliance. Never place any objects on the heater.

Heater base assembly becomes very hot when running heater. Keep children and adults away from hot surface to avoid burns or clothing ignition. Heater will remain hot for a time after shutdown.Allow surface to cool before touching.

Carefully supervise young chil- dren when they are in the room with heater.

You must operate this heater with a fireplace screen in place. Make sure fireplace screen is closed before running heater.

Keep the appliance area clear and free from combustible ma- terials, gasoline, and other flam- mable vapors and liquids.

113183-01B

www.desatech.com

3

Image 3
Contents Thermostat Models CDR3924NT and CDR3924PT What to do if YOU Smell GASTable of Contents Safety Information Local Codes Product Identification Product FeaturesConfined and Unconfined Space AIR for Combustion VentilationDetermining FRESH-AIR Flow for Heater Location Unusually Tight ConstructionVentilation AIR Ventilation Air From Inside BuildingVentilation Air From Outdoors Check GAS Type InstallationWidth Installation and Clearances for VENT-FREE OperationLog RearDetermining Minimum Mantel Clearance Determining Minimum Mantel Clearance When Using a HoodMantel Clearances Floor ClearancesInstallation Items Needed Installing Heater Base AssemblyExternal Regulator With Vent Pointing Down Connecting to GAS SupplyTest Pressures In Excess Of 1/2 Psig 3.5 kPa Checking GAS ConnectionsPropane/LP From Natural From GasTest Pressures Equal To or Less Than 1/2 Psig 3.5 kPa Installing LogsAdding Lava Rock Attaching Grate to Base AssemblyFor Your Safety Read Before Lighting Operating HeaterLighting Instructions Manual Lighting Procedure To Turn OFF GAS To ApplianceThermostat Control Operation Burner Flame Patterns Technical ServiceInspecting Burners Pilot Flame PatternCleaning Maintenance Burner Injector Holders and Pilot AIR Inlet HolesLogs Observed Problem Possible Cause Remedy TroubleshootingMaintenance, Cold Minute Air in gas line Operate burners until air is Gas leak. See Warning For Masonry and FACTORY- Built Metal Fireplace Optional Positioning Thermostat Sensing BulbAccessories SpecificationsReplacement Parts Service HintsModels CDR3924PT and CDR3924NT Illustrated Parts BreakdownParts List Warranty Information Keep this WarrantyLimited Warranty Comfort Glow VENT-FREE GAS LOG Heaters