Desa GWN20T, GWP30T, GWP20T, WMN20, GN30T, GP30T, GWN30T Gas leak. See Warning, Statement above

Page 23

TROUBLESHOOTING

Continued

WARNING: 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 department.

IMPORTANT: Operating heater where impurities in air exist may create odors. Cleaning supplies, paint, paint remover, cigarette smoke, cements and glues, new carpet or textiles, etc., create fumes. These fumes may mix with combustion air and create odors.

OBSERVED PROBLEM POSSIBLE CAUSE

REMEDY

Heater produces a clicking/tick- ing noise just after burner is lit or shut off

1.Metal expanding while heat- ing or contracting while cooling

1.This is common with most heat- ers. If noise is excessive, con- tact qualified service person

Heater produces unwanted odors 1.

Heater burning vapors from

 

paint, hair spray, glues, etc.

 

(see IMPORTANT statement

 

above)

2.

Low fuel supply (propane/LP

 

gas only)

3.

Gas leak. See Warning

 

statement above

1.Ventilate room. Stop using odor causing products while heater is running

2.Refill supply tank

3.Locate and correct all leaks (see Checking Gas Connec- tions, pages 13 and 14)

Heater shuts off in use (ODS op-

1. Not enough fresh air is avail-

1.

Open window and/or door for

erates)

 

able

 

ventilation

 

2.

Low line pressure

2.

Contact local natural or pro-

 

 

 

 

pane/LP gas company

 

3.

ODS/pilot is partially

3.

Clean ODS/pilot (see Cleaning

 

 

clogged

 

and Maintenance, page 19)

 

 

 

 

Gas odor even when control knob

1. Gas leak. See Warning

1.

Locate and correct all leaks

is in OFF position

 

statement above

 

(see Checking Gas Connec-

 

 

 

 

tions, pages 13 and 14)

 

2.

Control valve defective

2.

Replace control valve

Gas odor during combustion

1.

Foreign matter between con-

 

 

trol valve and burner

 

2.

Gas leak. See Warning

 

 

statement above

1.Take apart gas tubing and re- move foreign matter

2.Locate and correct all leaks (see Checking Gas Connec- tions, pages 13 and 14)

Moisture/condensation noticed on

1. Not enough combustion/ven-

1. Refer to Air for Combustion

windows

tilation air

and Ventilation requirements

 

 

(page 5)

107884-01H

www.desatech.com

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Contents What to do if YOU Smell GAS Table of Contents Safety Information Unpacking Product FeaturesLocal Codes Product IdentificationConfined and Unconfined Space AIR for Combustion VentilationProviding Adequate Ventilation Unusually Tight ConstructionDetermining if You Have a Confined or Unconfined Space Determining FRESH-AIR Flow for Heater LocationVentilation Air From Inside Building InstallationVentilation AIR Check GAS TypeLocating Heater Installation ItemsInstalling Heater to Wall Placing Heater On Mounting Bracket 20,000 Btu/Hr ModelsAttaching To Wall Anchor Method 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 SupplyPropane/LP Checking GAS ConnectionsNatural Gas Open equipment shutoff valve see , Pressure Testing Heater Gas ConnectionsLighting Instructions Manual Control Models For Your Safety Read Before LightingOperating Heater Shutting Off Burner Only pilot stays lit Manual Lighting ProcedureTo Turn OFF GAS To Appliance Shutting Off HeaterThermostat Control Operation Burner Flame Pattern Inpecting HeaterPilot Flame Pattern Cabinet Cleaning MaintenanceODS/PILOT and Burner Burner Pilot AIR InletObserved Problem Possible Cause Remedy TroubleshootingReplace burner orifice See Cleaning and Mainte Statement above Gas leak. See WarningGP30, GP30T SpecificationsGN30, GN30T WMN20, GWN20 Parts Under Warranty Service HintsTechnical Service Service Publications Replacement PartsIllustrated Parts Breakdown NJF 8C Parts ListGWN20T, GWP20T GWN30T, GWP30T Parts List Base KIT GA4550 AccessoriesEquipment Shutoff Valve GA5010 FAN Kits GA3250TParts Centrals Limited Warranty VENT-FREE Residential GAS Heaters Warranty InformationKeep this Warranty

GP30, GWN20T, GWN30T, GWN20, GWP20 specifications

Desa GWP20, GWP30T, GP30T, GN30T, and GP30 are advanced water heater models that stand out in the market for their efficiency, innovative technology, and user-friendly features. Each model is designed to cater to different consumer needs, offering reliable hot water solutions for residential and commercial applications.

The Desa GWP20 is a compact and efficient water heater that operates on a 20-gallon tank. Ideal for smaller households, it boasts fast heating capabilities and a durable construction that ensures longevity. Its user-friendly control panel allows for easy temperature adjustments, and its energy-saving mode helps reduce utility costs.

Moving up in capacity, the GWP30T features a 30-gallon tank, making it suitable for medium-sized households. This model incorporates a high-efficiency burner that maximizes heat output while minimizing gas consumption. With an upgraded insulation system, the GWP30T retains heat for longer periods, enhancing energy efficiency. The built-in diagnostics monitor performance, ensuring consistent operation and alerting users to any potential issues.

The GP30T is another 30-gallon model that emphasizes flexible installation options. It can be configured for various venting systems, making it adaptable for different home layouts. Its robust safety features, such as an automatic shut-off system, provide peace of mind for users. Additionally, the GP30T is equipped with a flame sensor for improved safety during operation.

For those seeking an efficient gas-powered unit, the GN30T delivers exceptional performance with a 30-gallon capacity. This model is designed to withstand the demands of larger households, featuring rapid recovery rates to provide a continuous supply of hot water. It utilizes advanced combustion technology that ensures efficient gas usage, striking the perfect balance between performance and energy costs.

Finally, the GP30 is a versatile water heater designed to meet diverse consumer needs. With a focus on sustainability, this model incorporates eco-friendly materials and technologies. The GP30 is packed with features that enhance its usability, such as customizable temperature settings, easy-to-read indicators, and a straightforward installation process.

In summary, Desa's GWP20, GWP30T, GP30T, GN30T, and GP30 water heaters are engineered for efficiency and reliability. Each model offers unique features tailored to specific user needs, from compact designs for smaller spaces to powerful systems for larger families. With an emphasis on modern technology and safety, Desa continues to be a leader in the water heating market.
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