Desa Tech CGN20TA Product Identification, Local Codes, Product Features, Unpacking

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OWNER’S MANUAL

PRODUCT

IDENTIFICATION

Ignitor Button

Control Knob

Grill Guard

Glass Panel

Heater Cabinet

Front

Panel

Figure 1 - Vent-Free Natural Gas Heater

LOCAL CODES

Install and use heater with care. Follow all local codes. In the absence of local codes, use the latest edition of the National Fuel Gas Code ANSI Z223, also known as NFPA 54*.

*Available from:

American National Standards Institute, Inc.

1430 Broadway

New York, NY 10018

National Fire Protection Association, Inc.

Batterymarch Park

Quincy, MA 02269

PRODUCT

FEATURES

Safety Device

This heater has a pilot with an Oxygen Depletion Sensor Shutoff System (ODS). The ODS/pilot is a required feature for vent- free room heaters. The ODS/pilot shuts off the heater if there is not enough fresh air.

Piezo Ignition System

This heater has a piezo ignitor. This system requires no matches, batteries, or other sources to light heater.

Thermostatic Heat Control

Thermostat models have a thermostat sens- ing bulb and a control valve. This results in the greatest heater comfort. This can also result in lower gas bills.

UNPACKING

1.Remove heater from carton.

2.Remove all protective packaging ap- plied to heater for shipment.

3.Check heater for any shipping damage. If heater is damaged, promptly inform dealer where you bought heater.

104190

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Contents What to do if YOU Smell GAS Blue Flame VENT-FREE Natural GAS HeaterCGN20TA Safety InformationUnpacking Product FeaturesProduct Identification Local CodesConfined and Unconfined Space Fresh AIR for Combustion and VentilationProviding Adequate Ventilation Unusually Tight ConstructionDetermining if You Have a Confined or Unconfined Space Determining FRESH-AIR Flow for Heater LocationVentilation AIR Ventilation Air From Inside BuildingVentilation Air From Outdoors Locating Heater InstallationInstallation Items Check GAS TypeThermostat Sensing Bulb Installing Heater to WallInstalling Bottom Mounting Screws Attaching Mounting Bracket To WallPlacing Heater On Mounting Bracket Typical Inlet Pipe Diameters Connecting to GAS SupplyTest Pressures In Excess Of 1/2 Pressure Testing GAS Supply Piping SystemPressure Testing Heater GAS Connections Checking GAS ConnectionsTo Turn OFF GAS To Appliance For Your Safety Read Before LightingOperating Heater Lighting InstructionsPilot Flame Pattern Manual Lighting ProcedureInspecting Burner Thermostat Control OperationObserved Problem Possible Cause Remedy TroubleshootingMaintenance, Gas leak. See Warning statement at Service Hints Cleaning and Maintenance SpecificationsService Publications Replacement Parts Technical ServiceFBD Parts CentralsAccessories FAN Kits GA3100A and GA3200TAManual Shutoff CGN20TA Illustrated Parts BreakdownKEY Part Number Description QTY Parts ListCGN20TA 104190 Warranty Information