Desa GWP20 GWN20T, WMP20, GN30 Safety Information Product Identification, Local Codes, Unpacking

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SAFETY INFORMATION LOCAL CODES PRODUCT IDENTIFICATION UNPACKING PRODUCT FEATURES

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SAFETY INFORMATION

PRODUCT

Continued

IDENTIFICATION

Control Knob

4.If you smell gas

shut off gas supply

do not try to light any appliance

do not touch any electrical switch; do not use any phone in your building

immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions

if you cannot reach your gas supplier, call the fire depart- ment

5.This heater needs fresh, outside air ventilation to run properly. This heater has an Oxygen Depletion Sensing (ODS) safety shutoff system. The ODS shuts down the heater if not enough fresh air is available. See Air for Combustion and Ventilation, pages 4 through 6.

6.Keep all air openings in front and bottom of heater clear and free of debris. This will insure enough air for proper combustion.

7.If heater shuts off, do not relight until you provide fresh, out- side air. If heater keeps shutting off, have it serviced.

8.Do not run heater

where flammable liquids or vapors are used or stored

under dusty conditions

9.Before using furniture polish, wax, carpet cleaner, or similar products, turn heater off. If heated, the vapors from these prod- ucts may create a white powder residue within burner box or on adjacent walls or furniture.

10.Do not use heater if any part has been under water. Immedi- ately call a qualified service technician to inspect the room heater and to replace any part of the control system and any gas control which has been under water.

11.Turn off and let cool before servicing. Only a qualified service person should service and repair heater.

12.Operating heater above elevations of 4,500 feet could cause pilot outage.

13.To prevent performance problems, do not use propane/LP fuel tank of less than 100 lbs. capacity.

14.Provide adequate clearances around air openings.

LOCAL CODES

Install and use heater with care. Follow all local codes. In the absence of local codes, use the latest edition of National Fuel Gas Code, ANSI Z223.1/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

Ignitor Button

Grill

Guard

Glass

Panel

Front

Panel

Heater

Cabinet

Figure 1 - Vent-Free Gas Heater

UNPACKING

1.Remove heater from carton.

2.Remove all protective packaging applied to heater for shipment.

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

PRODUCT FEATURES

SAFETY DEVICE

This heater has a pilot with an Oxygen Depletion Sensing (ODS) safety shutoff system. 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 sensing bulb and a control valve. This results in the greatest heater comfort. This can also result in lower gas bills.

For more information, visit www.desatech.com

107884

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Contents What to do if YOU Smell GAS GWN20T, GWP20T GWN30T, GWP30TSafety Information Table of ContentsUnpacking Safety Information Product IdentificationProduct Features Local CodesConfined and Unconfined Space 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 TypeRemoving Front Panel Of Heater Installing Heater to WallAttaching Thermostat Sensing Bulb Mounting BracketMarking Screw Locations Attaching Mounting Bracket To WallPlacing Heater On Mounting Bracket Mounting Base Feet to Heater Installing Bottom Mounting ScrewsMounting Base Feet to Floor Where required by local code Mounting Heater to Floor with Optional Floor KITTypical Inlet Pipe Diameters Connecting to GAS SupplyPressure Testing Gas Supply Piping System Pressure Testing Heater Gas ConnectionsChecking GAS Connections Manual Control Models For Your Safety Read Before Lighting Operating HeaterLighting Instructions Shutting Off Burner Only pilot stays lit Manual Lighting ProcedureTo Turn OFF GAS to Appliance Shutting Off HeaterInspecting Heater Pilot Flame PatternThermostat Control Operation Cabinet Cleaning MaintenanceCleaning Burner Pilot AIR Inlet Burner Flame PatternObserved Problem Possible Cause TroubleshootingObserved Problem Possible Cause Remedy Gas leak. See Warning statement at Illustrated Parts Breakdown WMN20 WMP20 Description QTY Parts ListGWN30T, GWP30T GGN30T, GP30T GWN20T, GWP20T, GWN30T, GWP30T Technical Service SpecificationsReplacement Parts Service HintsOwners Registration Form Postage Required FAN Kits GA3250T AccessoriesParts Centrals Equipment Shutoff Valve GA5010Warranty Information