Desa CFS18PRA, VS24PRA, VS30PRA Specifications, Wiring Diagram, Technical Service, Service Hints

Page 24

DESA INTERNATIONAL

UNVENTED PROPANE/LP GAS LOG HEATER

SPECIFICATIONS

 

18" Variable

24" Variable

30" Variable

Btu (Variable)

16,000/26,000

20,000/33,000

21,500/36,000

Type Gas

Propane/LP Only

Propane/LP Only

Propane/LP Only

Ignition

Piezo

Piezo

Piezo

Pressure Manifold

7.9" W.C.

7.9" W.C.

7.9" W.C.

Inlet Gas

 

 

 

Pressure (in. of water)

 

 

 

Maximum

14"

14"

14"

Minimum*

11"

11"

11"

Shipping Weight

32 lbs.

34 lbs.

36 lbs.

* For purpose of input adjustment

WIRING DIAGRAM

OFF

ON

TECHNICAL

SERVICE

You may have further questions about in- stallation, operation, or troubleshooting. If so, contact DESA International’s Technical Service Department at 1-800-DESA LOG (1-800-337-2564).

You can also visit DESA International’s technical services web site at

www.desatech.com.

SERVICE HINTS

When Gas Pressure Is Too Low

pilot will not stay lit

burners will have delayed ignition

heater will not produce specified heat

propane/LP gas supply may be low

When Gas Quality Is Bad

pilot will not stay lit

burners 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 propane/LP gas supplier.

Thermopile

24

104417

Image 24
Contents Desa International What to do if YOU Smell GASSafety Information Desa International Unvented PROPANE/LP GAS LOG HeaterProduct Features Optional Remote Control AccessoriesUnpacking Product IdentificationAIR for Combustion and Ventilation Providing Adequate VentilationUnusually Tight Construction Confined and Unconfined SpaceAIR for Combustion Ventilation Determining FRESH-AIR Flow for Heater LocationDetermining if You Have a Confined or Unconfined Space Ventilation AIR Ventilation Air From Inside BuildingVentilation Air From Outdoors Installation Installation ClearancesCheck GAS Type Vent-Free Operation OnlyIf Not Using Mantel If Using Mantel Minimum Noncombustible Material ClearancesDetermining Minimum Mantel Clearance When Using a Hood Mantel ClearancesFloor Clearances Determining Minimum Mantel ClearanceInstalling Damper Clamp Accessory for Vented Operation Installing Heater Base AssemblyInstallation Items Needed Area of Various Standard Round FluesConnecting to GAS Supply Pressure Testing gas Supply Piping system Pressure Testing Heater Gas ConnectionsChecking GAS Connections Test Pressures In Excess Of 1/2 PsigInstalling Logs Installing Front Log #1For Your Safety Read Before Lighting Operating HeaterLighting Instructions Manual Lighting Procedure To Turn OFF GAS to ApplianceShutting Off Heater Shutting Off Burners Only pilot stays litOptional Remote Operation Thermostat Control OperationGhrc Operation Ghrct OperationInspecting Burners Pilot Flame PatternFront Burner Flame Pattern Cleaning and Maintenance Replacement PartsTroubleshooting Observed Problem Possible Cause RemedySee Wiring Diagram, Gas leak. See Warning statement AboveIllustrated Parts Breakdown Variable Control CFS18PRA, VS18PRA VS24PRA, VS30PRAParts List CFS18PRA, VS18PRA VS24PRA, VS30PRASpecifications Wiring DiagramTechnical Service Service HintsAccessories Warranty Information