Vermont Casting 3936, SDVR, PDV20: 3920 Models 3960, 3970, 4075, 4080 RF Models Only, All Models

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Pinnacle & Stardance Direct Vent - Rear Vent Gas Heaters

NOTE: Be sure burner leg remains at a 90° angle to firebox base after conversion.

Models 3960, 3970, 4075, 4080 (RF Models) Only

16.Follow procedure for pilot type 2 to replace pilot orifice.

17.Remove and replace plug on lower right hand side of the valve; Red for LP and Blue for NG. (Page 30, Fig. 53)

18.Remove motor top cap. Depress and turn center plunger until arrow points to correct screw. Red for LP and Blue for NG. NOTE: Plunger will “snap” into NG position when arrow is close to blue screw. It will not “snap” at LP (Red) position. (Fig. 63)

19.Insure manifold pressure remains between 3.2” - 3.5” w.c. for NG and 9.5” - 10” w.c. for LP. To adjust the manifold pressure, for NG, using a torque #10 key turn the blue screw clockwise to increase the manifold pressure. Turn the screw counterclockwise to de- crease the pressure. Use the red screw to adjust LP.

20.Replace motor top cap.

 

 

Motor Top Cap

Center

 

 

Plunger

 

 

 

 

Valve

Blue - NG

Red - LP

LOCAL

 

FP1037b

Fig. 63 Depress and turn center plunger.

 

All Models

21.Replace burner. Slide the burner in at an angle with left side lower than the right side. Slide the left side onto the injectors, making sure the burner leg remains at a 90° angle to the base. Lower the right hand side down in to place. Make sure the burner is as far left as possible and the injector shoulders are inside the burner.

NOTE: It is very critical to keep the left burner leg, which holds the injectors, at a 90° angle to the base. (Fig. 64) This keeps the orifices aligned with the tubes inside burner. Failure to do so could affect the flame appearance and performance of the unit.

22.Place conversion label on valve.

23.Reinstall the right and left log bracket assembly. 24.Reinstall the rear log bracket.

25.Replace logs.

25.Replace glass and stove front. Conversion is complete.

Left Burner Leg

Injector Orifices

90°

ST353a

Fig. 64 Remove and replace injector orifices.

Table 2. Injector Orifice Size Matrix

 

Conversion to Natural Gas

 

Input (BTU/h)

Kit #

Front

Part #

Rear

 

Part #

Minimum

Maxi,mum

000-5004

#56 / .0465”

30000336

#47 / .078”

 

20003054

14,000

21,000

000-5013

#56 / .0465”

30000336

#47 / .078”

 

20003054

14,000

21,000

 

 

Conversion to LP

 

Input (BTU/h)

Kit #

Front

Part #

Rear

Part #

Minimum

Maximum

000-5005

#68 / .031”

30000694

#56 / .0465”

30000336

14,000

21,000

000-5014

#68 / .031”

30000694

#56 / .0465”

30000336

14,000

21,000

20007066

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Contents Pinnacle & Stardance Direct Vent, Rear Vent Gas Heater Table of Contents Installation & Operating Instructions Stove Dimensions Stardance Direct Vent Gas Heater Stove Dimensions Pinnacle Direct Vent Gas HeaterMinimum Clearances to Combustible Materials Clearance RequirementsInput Model Fuel Gas Control BTU/h Gas SpecificationsMantel Clearances Hearth Requirements Gas Inlet and Manifold PressuresHorizontal Termination High ElevationsVent Termination Clearances Vertical TerminationLocation of Vent Termination General Venting Information Termination Location Canadian Installations1 US Installations2Termination Clearances Vent Components Unpack the Stove InstallationInstall Optional Fan Kit #2960/FK28 Fan Kit ContentsGeneral Information Venting System Assembly Direct VentFor U.S. installations The venting system must For Canadian installations The venting system mustThrough Side Wall Vent Termination Below Grade PDV20 with Rear Vent Kit 7TFSRSK installationInstall inner starter pipe and inner elbow Side Wall Termination AssemblyDetermine the vertical pipe length ³⁄₈ x 9³⁄₈ 240 x 240mm Vertical Through the Roof Vent AssemblyFireplace Vent Termination Clearances Vertical Through Existing ChimneyFireplace Vent System Fireplace Installation Requirements PDV20 Fireplace Installation Requirements Sdvr Burner Information Complete the AssemblyInstall ON/OFF Switch R Models only Connect the Gas Supply LineUse only a thermostat rated for 500 750 millivolts Install the Front PlateThis completes assembly of the PDV20 and Sdvr stove Thermostat ConnectionLogs Install the Log SetYour First Fire Flame & Temperature AdjustmentFlame Characteristics OperationCorrect pilot flame pattern. PSE Pilot What to do if YOU Smell GAS Lighting And Operating InstructionsTo Turn Off Gas To Heater Symptom Possible Causes Corrective Action Troubleshooting / Honeywell #8420 Gas Control SystemDelay Timer Mode Shut Off ProcedureTransmitter Operation Off Mode On Manual ModeDisable Thermostat Function Auto ModeFan Override During Auto Mode Change Between F/C Temperature UnitsLocal Path Fuel Conversion Instructions Conversion PrecautionsConversion Procedure Auto PathPilot Type Models 3920, 3930, 4065, 4070 R Models OnlyConversion to LP Input BTU/h Models 3960, 3970, 4075, 4080 RF Models OnlyAll Models Conversion to Natural Gas Input BTU/hMaintenance Check the Gas Flame Regularly Gasket ReplacementInspect the Vent System Annually Wiring Diagrams Stove DisassemblyPinnacle PDV20 / Stardance Sdvr Direct Vent/Rear Vent PDV20 Sdvr DescriptionFuel Conversion Kits Screen Kit Optional AccessoriesRemote Controls Fan KitsIf Warranty Service is NEEDED… Product Covered by this WarrantyCFM Specialty Home Products

3966, 4080, 3926, 3936, 3960 specifications

Vermont Casting is renowned for its craftsmanship and quality in the hearth industry, particularly with its range of wood and gas stoves. Among its standout models are the 4065, 4075, 4070, 3976, and 3970. Each of these models presents unique features and advanced technologies that cater to a variety of heating needs and preferences.

The Vermont Casting 4065 model is designed with efficiency and usability in mind. Its advanced air management system allows for precise control over combustion, ensuring that homeowners enjoy a longer burn time while minimizing emissions. The large glass door provides an excellent view of the fire, making it a centerpiece in any room. Additionally, the 4065 is built from heavy-duty cast iron, which not only enhances durability but also retains heat longer.

Moving on to the 4075 model, this stove offers an impressive heat output, making it suitable for larger spaces. The 4075 incorporates a unique catalytic combustor, which boosts efficiency by enabling cleaner burns and reducing smoke output. This model also features a user-friendly ash removal system, simplifying maintenance and enhancing user experience.

The 4070 model stands out with its modern design and customizable options. It comes in various colors and finishes, allowing homeowners to tailor it to their interior design style. Like the other models, it emphasizes efficiency with a built-in heat exchanger, maximizing heat transfer to the surrounding space and ensuring optimal comfort.

The Vermont Casting 3976 is a powerhouse of innovation. Equipped with Vermont Casting’s signature cast iron construction, it provides exceptional heat retention and distribution. It features a powerful blower option that can be added for enhanced heat circulation, making it ideal for larger homes or open floor plans. The 3976 also boasts an easy-to-use control panel that allows for intuitive operation.

Finally, the 3970 model is a versatile choice for those seeking a balance of size and efficiency. It offers a compact design without sacrificing performance, making it ideal for smaller rooms. The 3970 includes the same advanced air control system found in larger models, ensuring efficient combustion and heat output.

In summary, Vermont Casting’s 4065, 4075, 4070, 3976, and 3970 models exemplify the perfect blend of traditional craftsmanship and modern technology. With exceptional features such as catalytic combustors, advanced air management, and customizable designs, these stoves offer both aesthetic appeal and functional efficiency, meeting a range of heating needs for contemporary homeowners.