Desa CGN18R Cleaning, Maintenance, Trouble Shooting, ODS/PILOT and Burner Orifice, Cabinet

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CLEANING

WARNING

AND

Turn off heater and let cool before cleaning.

MAINTENANCE

 

 

CAUTION

You must keep control areas, burner, and circulating air passageways of heater clean. Inspect these areas of heater before each use. Have heater inspected yearly by a qualified service person. Heater may need more frequent cleaning due to excessive lint from carpeting, bedding material, etc.

ODS/PILOT AND BURNER ORIFICE

• Use a vacuum cleaner, pressurized air, or small, soft bristled brush to clean.

CABINET

Air Passageways

Use a vacuum cleaner or pressurized air to clean.

Exterior

Use a soft cloth dampened with a mild soap and water mixture. Wipe the cabinet to remove dust.

 

TROUBLE-

 

 

WARNING

 

 

 

 

 

SHOOTING

 

 

 

 

 

 

 

Turn off and unplug heater and let cool before servicing. Only a

 

 

Note: All troubleshooting

qualified service person should service and repair heater.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

items are listed in order of

 

 

 

 

 

 

 

 

 

CAUTION

 

 

 

 

 

operation.

 

 

 

 

 

 

 

 

Never use a wire, needle, or similar object to clean ODS/pilot. This

 

 

 

 

can damage ODS/pilot unit.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OBSERVED

POSSIBLE

 

 

 

 

 

 

PROBLEM

CAUSE

REMEDY

 

 

 

 

 

 

 

 

 

 

 

When control knob is

1.

Ignitor electrode posi-

1.

Replace ignitor

 

 

pressed in and turned

 

tioned wrong

 

 

 

 

 

 

to the PILOT/IGN

2.

Ignitor electrode broken

2.

Replace ignitor

 

 

position, there is no

3.

Ignitor electrode not

3.

Reconnect ignitor cable

 

 

spark at ODS/pilot

 

connected to ignitor

 

 

 

 

 

 

 

 

cable

 

 

 

 

 

 

 

4.

Ignitor cable pinched or

4.

Free ignitor cable if

 

 

 

 

wet

 

pinched by any metal or

 

 

 

 

 

 

tubing. Keep ignitor

 

 

 

 

 

 

cable dry

 

 

 

5.

Broken ignitor cable

5.

Replace ignitor cable

 

 

 

6.

Bad piezo ignitor

6.

Replace control valve

 

 

 

 

 

 

(piezo is part of control

 

 

 

 

 

 

valve)

22

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Contents OWNER’S Operation and Installation Manual What to do if YOU Smell GASContents Safety InformationSafety Information Safety Device Local Codes Unpacking Product FeaturesPiezo Ignition System Ventilation Fresh AIR ForCombustion Producing Adequate VentilationDetermining FRESH-AIR Flow for Heater Location Fresh AIRDetermining if You Have a Confined or Unconfined Space Ventilation AIR Fresh AIR for Combustion and VentilationVentilation Air From Inside Building Ventilation AIR Ventilation Air From OutdoorsCheck GAS Type Installing To WallInstallation Items Locating HeaterInstalling to Wall Removing Front Panel Of Heater Installing Heater to WallMounting Bracket Methods For Attaching Mounting Bracket To WallMarking Screw Locations Attaching Mounting Bracket To WallInstalling Bottom Mounting Screws Placing Heater On Mounting BracketConnecting to GAS Supply CGN30CConnections Pressure Testing GAS Supply Piping SystemChecking GAS Servicing. Correct all leaks at oncePressure Testing Heater GAS Connections CheckingHeater What to do if YOU Smell GASOperating Heater PilotTo Select Heating Level Shutting Off Heater Operating Heater Inspecting BurnerPilot Flame Pattern Shutting Off Burner Only pilot stays litGRH/OV 019A Trouble Shooting CleaningMaintenance ODS/PILOT and Burner OrificeSee Cleaning TROUBLE- ShootingSee Cleaning and Main Service TechnicalParts Not Under Warranty Replacement PartsParts Under Warranty HintsFAN KIT GA3100 GA2100A AccessoriesCentrals Model CGN18R GA4000B Model CGN30C GA4010BIllustrated Parts Breakdown Model CGN18RParts List KEY Part Number Description QTYModel CGN30C Parts List Warranty Information Keep this Warranty