Monessen Hearth DEB30, DEB20 manual Operation of Thermostat Sensor, Checking System Operation

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ELECTRICAL WIRING (MILLI-VOLT)

OPERATION OF THERMOSTAT SENSOR

1.Follow millivolt lighting instructions on lighting plate attached to unit or in homeowner’s manual.

2.With control knob in the “ON” position make sure the ON/OFF switch is in the “OFF” position. See Figure 24.

3.The unit is now being controlled by the thermostat sensor. The sensor will now cycle the burners on and off. You can adjust how often the unit cycles by turning the control knob on the sensor.

ON/OFF

Switch

Control

Knob

THE

SERMOS

TTINGTAT

HIGH

2

 

6D33

 

17

LOW

 

T-Stat

Sensor

Figure 24 - Control Knob in “ON” Position and ON/OFF Switch in “OFF” Position

CHECKING SYSTEM OPERATION

The milli-volt system and individual com- ponents may be checked with a milli-volt meter having a 0-1000 mV range. Conduct each check shown in chart below by con- nection meter test leads to terminals as indicated.

 

 

CONNECT

 

 

 

CHECK

TO

METER

THERMOSTAT

METER

 

TEST

TEST

LEADS TO

CONTACTS

READING

 

 

 

TERMINALS

 

SHOULD BE

 

A

COMPLETE

TP/TH and TH

CLOSED

MINIMUM

 

 

SYSTEM

 

 

175

 

 

 

 

 

 

 

B

THERMOPILE

TP and TP/TH

OPEN

MINIMUM

 

 

OUTPUT

 

 

500

 

 

 

 

 

 

 

A.COMPLETE MILLI-VOLT SYSTEM CHECK

(“A” Reading - Thermostat contacts CLOSED - Control Knob “ON” - Main burner should turn ON)

a.If the reading is more than 175 milli-volts and the automatic valve still does not come on, replace the control.

b.If the closed circuit reading (“A” reading) is less than 175 milli-volts, determine cause for low reading, proceed to Section B below.

B.Thermopile Output Reading Check

(“B” Reading - Thermostat contacts OPEN - Main burner OFF)

1. Check gas pressure to the unit. If gas pressure is within minimum and maximum on data plate, then check pilot voltage, 500 milli-volts minimum. If the minimum milli-volt reading is not obtainable, replace pilot.

44D0060

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Contents Read and Save These Instructions Models DEB20, DEB24, DEB30What to do if YOU Smell GAS Contents Installer Important Safety InformationOwner From Getting Started What YOU will Need for InstallationMake Sure YOU have Received ALL Parts Natural GAS Product Features and SpecificationsPROPANE/LPG PILOT/ODS Ignition ControlsThermal Generator Codes General Installation InformationAdequate Combustion and Ventilation AIR BTU/Hr = 151/2 x 12 x 8 x 1000 = 29760 BTU/Hr Hearth Minimum Dimension Fireplace and Hearth DimensionsHeight of Restriction Minimum Depth of Fireplace/Firebox Placement in a Fireplace with a Restrictive BarrierSidewall and Ceiling Clearances Clearances and Height RequirementsClearances and Height Requirements Measuring Heat Resistant Material for Mantel Heater Clearances and Height RequirmentsExample The bottom of the mantel may project from the wall a Minimum Clearance above Combustible Flooring Floor ClearanceBefore Fully Installing the Unit Installing Vented ApplicationsBefore Installing the Appliance Damper Stop InstallationAssembly Procedure Installing Vented ApplicationsPlacing and Securing Appliance Flexible Tube Manual Shutoff Gas Supply Inlet Valve Connecting the GASManual Control Figure Checking GAS PressureConnecting Optional Wall Switch or Thermostat Electrical Wiring MILLI-VOLTATE Installing T-STAT Sensor Option Sold Separately Connecting Remote ReceiverInstalling T-Stat Sensor to DEB Base With Screw Provided Checking System Operation Operation of Thermostat SensorComplete MILLI-VOLT System Check Installing Logs on Grate See Figures 25 LOG PlacementPlacing the Decorative Rock Flame AppearanceChecking the Pilot Flame MILLI-VOLT ControlOperating Instructions Checking the Burner FlameWhat to do if YOU Smell GAS Operating InstructionsManual Control Lighting Instructions MILLI-VOLT Control Lighting Instructions Cleaning and Servicing Operating Instructions and Cleaning and ServicingObserved Problem Possible Cause Remedy TroubleshootingODS/pilot lights, but flame Burner Assembly Replacement PartsDEB20 DEB24/DEB30 Replacement Parts ListDEB20 DEB24 DEB30 LogsSpecial Requirements Special Requirements Five Year Warranty Lifetime WarrantyBasic Warranty

DEB20, DEB30 specifications

Monessen has long been synonymous with quality and innovation in the hearth industry, and the Monessen Hearth DEB20 and DEB30 models are prime examples of their commitment to excellence. These direct vent gas fireplaces provide a stylish and efficient solution for heating and enhancing the ambiance of any home.

One of the standout features of both the DEB20 and DEB30 is their versatile design. Available in different sizes, the DEB20 is tailored for smaller spaces, while the DEB30 is ideal for larger areas, ensuring that homeowners can select a model that fits their specific needs. Both units are equipped with a minimalist design that allows them to seamlessly integrate into various decor styles, from modern to traditional.

Another important characteristic of the DEB series is their use of advanced technology for efficient operation. The direct vent system ensures that combustion gases are vented outside, providing a safer and cleaner indoor environment. This feature not only enhances the air quality in your home but also allows for flexible installation options, as venting can be engaged through walls or roofs.

The Monessen DEB20 and DEB30 models also boast a variety of aesthetic customizations. They come with an array of decorative options, including different media choices like glass, logs, or stones, allowing homeowners to create a truly personalized look. Optional features such as remote control operation provide additional convenience, allowing users to adjust flame height and heat output at the push of a button.

Energy efficiency is another hallmark of these fireplaces. Both the DEB20 and DEB30 are designed to maximize heat output while minimizing gas consumption, making them an economical heating solution. They also feature adjustable flame settings to meet various heating requirements, ensuring that warmth can be tailored to personal preference.

In summary, the Monessen Hearth DEB20 and DEB30 units exemplify a marriage of style and function, driven by cutting-edge technology and thoughtful design. With their efficient heating capabilities, customizable aesthetics, and safe operation, these fireplaces offer a compelling choice for anyone looking to enhance their home's warmth and charm. Whether it's for cozy family gatherings or quiet evenings, the DEB series is sure to deliver comfort and elegance.
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