Monessen Hearth DBX24C* Thermostatic Control Lighting Instructions, Rotation of Control Knob

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OPERATING INSTRUCTIONS

THERMOSTATIC CONTROL LIGHTING INSTRUCTIONS

1.STOP! Read the safety information .

2.Make sure the manual shutoff valve is fully open.

3.This heater is equipped with an ignition device (piezo) which automatically lights the pilot.

4.See Figure 44, page 29 for the location of the piezo ignitor and control knob. Turn control knob clockwise to the OFF position.

5.Wait 5 minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP! Follow safety instructions under What To do if You Smell Gas, page 29. If you do not smell gas, go to the

next step.

6. Turn the gas control knob counterclockwise to the IGN position. See Figure 40. Push in and hold control knob for 5 seconds.

7.With the control knob pushed in and held, push and release the piezo ignitor button to light the ODS pilot. The pilot is located on the right side of the heater, behind the front log and in front of the burner. If piezo ignitor does not light the pilot, see Match Lighting Instructions, page 32.

8.Hold the control knob in for an additional 10 seconds to prevent the ODS pilot from shutting off the gas while the thermocouple is warming up.

9.Release the control knob.

•If the knob does not pop out when released, stop and immediately call your service technician or gas supplier.

•If the ODS pilot will not stay lit after several tries, push and turn the control knob clockwise to OFF. Release and wait 15 seconds. Repeat steps 6 through 9.

10.Turn control knob to any position between LOW and HIGH. The knob position controls the thermostat tem- perature. See Figure 48.

11.The heater is now in proper operation. The following procedure should be used to achieve thermostatic control of the desired room temperature.

Rotate

Figure 48 - Rotation of Control Knob

a.Operate unit at higher setting until desired room temperature is achieved.

b.At the desired temperature, slowly turn the knob clockwise and stop rotating when flame disappears.

c.Thermostat is now set to maintain the current room tempera- ture.

d.As the room temperature decreases, the thermostat valve will open to ignite the front and rear burner.

e.When the temperature reaches its set point (knob position), the thermostat valve will again shut off the burner.

f.This is the normal cycle of the heater.

WARNING

Wait 30 seconds before readjusting the heater when the control knob has been turned down to a lower setting.

TO TURN OFF GAS TO HEATER

1.Turn control knob clockwise to OFF position to completely shut off the heater.

2.If applicable: Turn off all electric power to the heater.

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Contents What to do if YOU Smell GAS Installation and Operating InstructionsModels DFX24C DBX24C DFX32C Read and Save These InstructionsContents Installer Important Safety InformationOwner Important Safety Information Operation Product FeaturesPropane / LPG Natural GASPilot Getting StartedThermal Generator DFX24C/DBX24C DFX32C General Installation InformationAdequate Combustion and Ventilation AIR Codes15 1/ 2 x 12 x Remove fireplace screen See , page 14 and logs Installing Optional Firebrick PanelsAttaching Assembled Black Black Trim Installation DFX24C/DBX24CLining Up Corners of Trim Kit Black Trim Installation DFX32CRemoving Screen Installing CanopyRemoving Grate Securing Heater to Floor or HearthSuggested Locations Location of FireplaceMinimum42 Or /8 Fireplace FramingCustom Cabinet Tee Joint Sediment Trap Pipe Nipple Minimum Cap Connecting the GASManual Control Figure Checking GAS PressureThat does not Require 110 VAC to Electrical Wiring MILLI-VOLTConnecting Optional Wall Switch or Thermostat OperateChecking System Operation Connecting Remote ReceiverComplete Millivolt System Check Proper Installation Sequence DFX24C LOG PlacementProper Installation Sequence DBX24C Proper Installation Sequence DFX32CManual and Thermostat Control Flame AppearanceChecking the Pilot Flame MILLI-VOLT ControlChecking Burner Flame Installing Rock Wool and Checking Burner FlameClean Placing Rock WoolOperating Instructions Checking the Burner FlameOperating Instructions For Your Safety Read Before LightingWhat to do if YOU Smell GAS To Turn OFF GAS to Heater Manual Control Lighting InstructionsRotation of Control Knob Thermostatic Control Lighting InstructionsPilot MILLI-VOLT Control Lighting InstructionsMatch Lighting Instructions Cleaning and ServicingBrass Louvers Blower and Other Optional EquipmentOptional Equipment Forced AIR KITStandard Features Illustrated Parts Breakdown for Cabinet AccessoriesDFX24C MILLI-VOLT DFX24C Manual Illustrated Parts BreakdownLOG SET Replacement Parts ListParts AVAILABLE, not Shown DFX32C MILLI-VOLT DFX32C Manual 33D5511 DBX24C T-STAT AVAILABLE, not Shown DBX24C T-STATDescription Natural PropaneObserved Problem Possible Cause Remedy TroubleshootingTroubleshooting Five Year Warranty Lifetime WarrantyBasic Warranty

DBX24C* specifications

The Monessen Hearth DBX24C* is a distinguished direct vent gas fireplace designed to provide warmth, aesthetics, and versatility for modern homes. With a focus on efficiency and style, the DBX24C* stands out in the market for its combination of innovative technology and classic fireplace charm.

One of the main features of the DBX24C* is its impressive heating output. This fireplace operates efficiently to produce a maximum of 24,000 BTUs, making it suitable for heating larger spaces while maintaining a balanced and comfortable ambiance. The direct venting system enhances its efficiency by drawing in air from outside, ensuring that indoor air quality remains uncompromised while also minimizing heat loss.

The design of the DBX24C* is another pivotal characteristic. Available in various finishes, including sleek black and contemporary stainless steel, it can complement a range of interior decors. Its clean-face design eliminates the need for a traditional fireplace mantle, allowing for a more modern look that highlights the fire's radiant glow. The minimalist aesthetics also allow for flexible installation options, making it an ideal choice for both new homes and renovations.

In terms of technology, the Monessen DBX24C* boasts a modern control system, allowing for easy adjustments to flame height and heat output. The remote control capability enhances convenience, letting users control the fireplace from the comfort of their seating area. Additionally, the unit is equipped with an electronic ignition system, which ensures swift and reliable startup while also providing added safety through its on-demand control.

Burning clean with natural gas or propane, the DBX24C* is designed with environmental consciousness in mind. Its high-efficiency operation exceeds industry standards, resulting in lower emissions and reduced environmental impact. This makes the DBX24C* not only an aesthetically pleasing choice but also an eco-friendly one.

Overall, the Monessen Hearth DBX24C* delivers an exceptional combination of performance, design, and technology. With impressive heating capacity, sleek aesthetics, remote control functionality, and commitment to environmental friendliness, it offers homeowners a reliable and attractive solution for heating and enhancing their living spaces. Whether you are looking to upgrade an existing fireplace or install a new one, the DBX24C* stands as a premier option in the world of gas fireplaces.
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