Desa Tech 28, 18, B installation manual Technical Service, Service Hints Service Publications

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TECHNICAL

SERVICE

SPECIFICATIONS

SERVICE

HINTS

SERVICE PUBLICATIONS

You may have further questions about installation, operation, or troubleshooting. If so, contact DESA International’s Technical Service Department at 1-800-323- 5190.

 

18,000 Btu/Hr

28,000 Btu/Hr

 

Models

Model

B.T.U (Variable)

9,000/18,000

14,000/28,000

Type Gas

Natural Only

Natural Only

Ignition

Piezo

Piezo

Pressure Regulator Setting

3" W.C.

3" W.C.

Inlet Gas Pressure (in. of water)

 

Maximum

10.5"

10.5"

Minimum

4"

4"

Dimensions, Inches (H x W x D)

 

Heater

23.5 x 18.5 x 8.0

23.5 x 25.9 x 8.0

Carton

25.8 x 21.3 x 10.1

25.8 x 28.7 x 10.1

Weight (pounds)

 

 

Heater

22

30

Shipping

27

35

When gas pressure is too low

pilot will not stay lit

burner will have delayed ignition

heater will not produce specified heat

When gas quality is bad

pilot will not stay lit

burner will produce flames and soot

heater will backfire when lit

You may feel your gas pressure is too low or gas quality is bad. If so, contact your local natural gas supplier.

You can purchase a service manual from the address listed on the back page of this manual. Send a check for $5.00 payable to DESA International.

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101808

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Contents OWNER’S Operation and Installation Manual What to do if YOU Smell GASContents Safety Information001 Unpacking Product IdentificationLocal Codes ProductVentilation Fresh AIR ForCombustion Providing Adequate VentilationDetermining if You Have a Confined or Unconfined Space Fresh AIR for Combustion and VentilationDetermining FRESH-AIR Flow for Heater Location Ventilation AIR Ventilation Air From Inside BuildingVentilation Air From Outdoors Ventilation Air from OutdoorsCheck GAS Type Installing To WallInstallation Items Locating HeaterAttaching Thermostat Sensing Bulb Thermostat Sensing BulbLocating Thermostat Sensing Bulb 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 Connections Pressure Testing GAS Supply Piping SystemChecking GAS Servicing. Correct all leaks at oncePressure Testing Heater GAS Connections CheckingFor Your Safety Read Before Lighting Operating HeaterPilot Shutting Off Heater Shutting Off Burner Only pilot stays litInspecting Burner Pilot Flame PatternBurner Flame Pattern Correct Burner Flame PatternCabinet Trouble ShootingODS/PILOT and Burner Air PassagewaysCleaning and Mainte TroubleTROUBLE- Shooting Ing statement at Top18,000 Btu/Hr 28,000 Btu/Hr Models Technical ServiceService Hints Service Publications Parts Not Under Warranty Replacement PartsParts Under Warranty CentralsODS/Pilot Assembly Parts List CGN18TB CGN28TB DescriptionValve GA5010 AccessoriesFAN Kits GA2100A, GA3100 GA3100A, and GA3200TA 101808 Warranty Information Keep this Warranty