Desa INTERNATIONAL UNVENTED (VENT-FREE) GAS LOG HEATER Specifications, Wiring Diagram

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SPECIFICATIONS WIRING DIAGRAM (REMOTE-READY MODELS ONLY)

SERVICE HINTS TECHNICAL SERVICE

29

SPECIFICATIONS

 

24" Thermostat-Controlled

24" Thermostat-Controlled

30" Thermostat-Controlled

 

 

 

LGX3924PT

LGX3924NT

 

 

Btu (Variable)

10,000/39,000

10,000/39,000

20,000/39,000

20,000/39,000

10,000/39,000

10,000/39,000

Type Gas

Propane/LP

Natural

Propane/LP

Natural

Propane/LP

Natural

Ignition

Piezo

Piezo

Piezo

Piezo

Piezo

Piezo

Manifold Pressure

7.9" W.C.

3.5" W.C.

7.9" W.C.

3.5" W.C.

7.9" W.C.

3.5" W.C.

Inlet Gas Pressure

 

 

 

 

 

 

(in. of water)

 

 

 

 

 

 

Maximum

14"

10.5"

14"

10.5"

14"

10.5"

Minimum*

11"

5"

11"

5"

11"

5"

Shipping Weight

30 lbs.

30 lbs.

30 lbs.

30 lbs.

34 lbs.

34 lbs.

Certified Standards

Z21.11.2-2000

Z21.11.2-2000

Z21.11.2-2000

Z21.11.2-2000

Z21.11.2-2000

Z21.11.2-2000

* For purpose of input adjustment

 

 

 

 

 

 

24" Remote-Ready

30" Remote-Ready

Btu (Variable)

10,000/39,000

10,000/39,000

10,000/39,000

10,000/39,000

Type Gas

Propane/LP

Natural

Propane/LP

Natural

Ignition

Piezo

Piezo

Piezo

Piezo

Manifold Pressure

8.0" W.C.

3.5" W.C.

8.0" W.C.

3.5" W.C.

Inlet Gas Pressure

 

 

 

 

(in. of water)

 

 

 

 

Maximum

14"

10.5"

14"

10.5"

Minimum*

11"

5"

11"

5"

Shipping Weight

30 lbs.

30 lbs.

34 lbs.

34 lbs.

Certified Standards

Z21.11.2-2000

Z21.11.2-2000

Z21.11.2-2000

Z21.11.2-2000

 

Z21.60-1996

Z21.60-1996

Z21.60-1996

Z21.60-1996

 

CGA2.26-M96

CGA2.26-M96

CGA2.26-M96

CGA2.26-M96

* For purpose of input adjustment

WIRING DIAGRAM

(REMOTE-READY MODELS ONLY)

Note: For proper operation of optional accessories, the wires from the switch to the control valve must be connected exactly as shown:

AUTO

OFF

ON

O.D.S. PILOT

Thermopile

THERMOPILE

 

IGNITOR

PILOT

THERMOCOUPLE

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

TECHNICAL SERVICE

You may have further questions about installation, operation, or troubleshooting.

Thermocouple

Wire

THERMOCOUPLE

CONNECTION

VALVE PILOT

OUT

Thermopile Wire

Ignitor Cable

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.

SWITCH

AUTOOFFON

Wire Harness

TPTH TP TH

PIEZO

For..com

108114

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Contents What to do if YOU Smell GAS International OWNER’S Operation and Installation ManualSafety Information Table of ContentsSafety Information Product Identification Optional Remote Control AccessoriesLocal Codes UnpackingAIR for Combustion and Ventilation Product FeaturesDetermining if You Have a Confined or Unconfined Space Determining FRESH-AIR Flow for Heater LocationVentilation Air From Outdoors Ventilation AIRVentilation Air From Inside Building Check GAS Type InstallationSee Between 8 Minimum Noncombustible Material ClearancesMantel Clearances Determining Minimum Mantel Clearance When Using a HoodFloor Clearances Determining Minimum Mantel ClearanceInstalling Heater Base Assembly Installing Damper Clamp Accessory for Vented OperationInstallation Items Needed Remote-Ready Models OnlyConnecting to GAS Supply External Regulator With Vent Pointing Down Checking GAS Connections Pressure Testing gas Supply Piping systemPressure Testing Heater Gas Connections Installing Log #2 Model CGX3930NT Shown Installing LogsInstalling Log #3 Model VGX30NT Shown Models LGX3924NT and LGX3924PT Installing Log #3 Model LGX3924NT ShownOperating Heater Attaching Grate to Base AssemblyAdding Lava Rock Lighting InstructionsShutting Off Burners Only pilot stays lit To Turn OFF GAS to ApplianceShutting Off Heater Thermostat Control Operation Manual Lighting ProcedureREMOTE-READY Models For Your Safety Read Before Lighting Flame Thermostat Control Operation Optional Remote OperationGhrc Series Operation Ghrcta Series OperationFront Burner Flame Pattern Inspecting BurnersPilot Flame Pattern Logs Cleaning MaintenanceCleaning Burner Injector Holder and Pilot AIR Inlet Hole Observed Problem Possible Cause Remedy TroubleshootingRefer to Air for Combustion and Venti Gas leak. See Warning statement Important Do not crimp capillary Optional Positioning of Thermostat Sensing BulbWiring Diagram SpecificationsService Hints Technical ServiceIllustrated Parts Breakdown Illustrated Parts BreakdownParts List Parts ListTHERMOSTAT-CONTROLLED VGX24NT, VGX24PT VGX30NT, VGX30PT29 Parts Available not Shown THERMOSTAT-CONTROLLEDCGX3924NR, CGX3924PR REMOTE-READY LGX3924NT, LGX3924PT KEY Part Number LGX3924NT LGX3924PT Description QTY Accessories Replacement PartsOwners Registration Form International For . .com Not a UPC

INTERNATIONAL UNVENTED (VENT-FREE) GAS LOG HEATER specifications

The Desa International Unvented (Vent-Free) Gas Log Heater stands as a remarkable solution for those seeking an efficient and aesthetically pleasing heating option for their homes. Recognized for its innovative design and advanced technology, this heater offers numerous benefits that cater to both functionality and style.

One of the main features of the Desa gas log heater is its vent-free design. This characteristic eliminates the need for ductwork or exhaust systems, allowing for easy installation in various locations, including living rooms, bedrooms, or recreational areas. With no external venting required, homeowners can enjoy increased flexibility in placement while saving on installation costs and labor. Moreover, the heater can fit seamlessly into existing fireplaces, creating a cozy ambiance without the need for traditional firewood.

Another standout feature of the Desa vent-free gas log heater is its exceptional energy efficiency. Utilizing infrared technology, the heater converts a high percentage of gas to heat, warming spaces quickly and reducing energy consumption. The unit is designed to operate with natural gas or propane, offering versatility depending on the homeowner's fuel preferences.

Safety is a top priority in the design of the Desa gas log heater. Equipped with an automatic shut-off system and an oxygen depletion sensor, the heater ensures secure operation by shutting down in case oxygen levels drop too low. This added safety feature provides peace of mind for families, allowing for safe use even during extended periods of operation.

Aesthetically, the Desa International gas log heater does not compromise on style. With an array of realistic log designs and finishes, homeowners can choose a heater that complements their interior decor perfectly. The unit’s flame effects mimic traditional wood-burning fires, enhancing the warm ambiance of any room.

In conclusion, the Desa International Unvented (Vent-Free) Gas Log Heater offers a unique combination of efficiency, safety, and aesthetics. Its vent-free design allows for flexible installation, while infrared heating technology ensures quick warmth and energy savings. Coupled with enhanced safety features and an attractive appearance, this gas log heater provides a practical and stylish heating solution for any home.