Desa RL24NR Optional Positioning of Thermostat Sensing Bulb, Important Do not crimp capillary

Page 27

OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB (THERMOSTAT-CONTROLLED MODELS ONLY)

For Masonry and Factory-Built Metal Fireplace

27

OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB

(THERMOSTAT-CONTROLLED MODELS ONLY)

FOR MASONRY AND FACTORY-BUILT METAL FIREPLACE

If your log set cycles to pilot, but the room temperature drops to a lower than ideal comfort level before the log set comes back on, you may want to reposition the thermostat sensing bulb.

The thermostat sensing bulb is located on the left side of the base assembly. This location allows the thermostat to keep the room temperature at an ideal comfort level for most fireplace applica- tions. For positioning the thermostat sensing bulb elsewhere, an adhesive-backed mounting clip is available.

1.Locate the gas valve assembly and thermostat sensing bulb (see Figure 44).

2.Gently pull thermostat sensing bulb free from the retaining clamp.

IMPORTANT: Do not force or bend the thermostat sensing bulb or capillary.

3.The thermostat sensing bulb may be located to the lower right front side of fireplace. Determine location of sensing bulb, but do not mount sensing bulb until step 4. If you have a masonry fireplace, see Figure 46 for location.

If you have a factory-built metal fireplace, see Figure 47 for location.

If your fireplace has glass doors, position sensing bulb directly behind door gap on right bottom side (see Figure 48).

4.The mounting clip must be a minimum of 3" from bottom of fireplace to prevent crimping of capillary. Once you have de- cided on a location, clean the area thoroughly. Remove the pa- per backing from the adhesive on back of mounting clip. Press the clip into the new location so that the thermostat sensing bulb will be positioned vertically with the capillary at the bottom (see Figure 49). Slide the thermostat sensing bulb into the clip.

IMPORTANT: Do not crimp capillary.

Figure 45 - Adhesive-backed Mounting Clip

Thermostat

Sensing Bulb

Adhesive-backed

Mounting Clip

Figure 46 - Locating Thermostat Sensing Bulb on Masonry Fireplace

Thermostat

Sensing Bulb

Adhesive-backed

Mounting Clip

Figure 47 - Locating Thermostat Sensing Bulb on Factory-built Metal Fireplace

Thermostat Sensing Bulb

Adhesive-backed

Mounting Clip

Glass

Door

Thermostat Sensing Bulb

Retaining

Gas Valve

Assembly

 

Clamp

 

 

Figure 44 - Location of Gas Valve Assembly and Thermostat Sensing Bulb

Figure 48- Installing Thermostat Sensing Bulb Behind Glass Doors

Thermostat

Sensing Bulb

Adhesive-backed

Mounting Clip

Capillary

Do Not Crimp

Capillary

Figure 49 - Positioning the Thermostat Sensing Bulb in the Vertical Position with the Capillary at the Bottom

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110021-01C

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Contents What to do if YOU Smell GAS OWNER’S Operation and Installation ManualSafety Information Table of ContentsSafety Information Unpacking Optional Remote Control AccessoriesProduct Identification Local CodesAIR for Combustion and Ventilation Product FeaturesDetermining if You Have a Confined or Unconfined Space Determining FRESH-AIR Flow for Heater LocationVentilation AIR Ventilation Air From Inside BuildingVentilation Air From Outdoors Installation Installation and Clearances for VENT-FREE OperationCheck GAS Type See Between 8 Minimum Noncombustible Material ClearancesDetermining Minimum Mantel Clearance Determining Minimum Mantel Clearance When Using a HoodMantel Clearances Floor ClearancesRemote-Ready Models Only Installing Damper Clamp Accessory for Vented OperationInstalling Heater Base Assembly Installation Items NeededAttaching Extension Plates to Base Assembly 30 Model Only Connecting to GAS SupplyExternal Regulator With Vent Pointing Down Pressure Testing gas Supply Piping system Pressure Testing Heater Gas ConnectionsChecking GAS Connections Installing Log #1 Ember Bed Model CSG3924NR Shown Installing LogsInstalling Log #2 Right and Log #3 Left Model VRL30NR Shown Lighting Instructions Attaching Grate to Base AssemblyOperating Heater Adding Lava RockTo Turn OFF GAS to Appliance Shutting Off HeaterShutting Off Burners Only pilot stays lit Manual Lighting Procedure REMOTE-READY Models For Your Safety Read Before LightingThermostat Control Operation Control Knob Rear Burner Ghrcta Series Operation Optional Remote OperationThermostat Control Operation Ghrc Series OperationInspecting Burners Pilot Flame PatternBurner Flame Patterns Cleaning Maintenance Cleaning Burner Injector Holders and Pilot AIR Inlet HolesLogs 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 BulbTechnical Service SpecificationsWiring Diagram Service HintsFor more Visit www Com Illustrated Parts BreakdownTHERMOSTAT-CONTROLLED VRL24NT, VRL24PT VRL30NT, VRL30PT THERMOSTAT-CONTROLLED Parts ListCSG3924NR, CSG3924PR CTB3924NR, CTB3924PR REMOTE-READY VRL24NR, VRL24PR VRL30NR, VRL30PRREMOTE-READY Accessories Replacement PartsOwners Registration Form Postage Required 110021-01C Not a UPC

CSG3924NR, CTB3924NR, VRL24PR, VRL30NR, RL24NR specifications

Desa VRL30NR, CSG3924PR, RL24NR, CSG3924PT, and CTB3924NT are advanced heating units developed by Desa, a brand recognized for its innovation in heating technologies. These models cater to a variety of consumer needs, offering efficient, reliable, and cost-effective heating solutions for residential and commercial applications.

The Desa VRL30NR is a powerful model known for its exceptional performance and efficiency. It features an intuitive digital thermostat for precise temperature control, ensuring optimal comfort. The unit is designed with an advanced airflow system that maximizes heat distribution throughout the space, making it ideal for larger rooms or open-concept spaces. The VRL30NR is also equipped with safety features such as an automatic shut-off mechanism that activates in case of overheating or tip-over, providing added peace of mind.

In contrast, the CSG3924PR and CSG3924PT models offer versatility with a sleek design and robust functionality. Both models come with an adjustable flame height feature, allowing users to customize their heating experience based on preference and room size. These units are designed for easy installation and operation, often incorporating wall-mounted options to save floor space. The incorporation of energy-efficient technologies ensures that they consume less power while still delivering powerful heating output, making them an environmentally friendly choice.

The RL24NR model stands out with its compact design, making it suitable for smaller spaces. This model prioritizes aesthetics without compromising on performance. It is equipped with a quiet operation mode, making it perfect for bedrooms or offices where noise levels need to be minimal. The RL24NR also boasts a quick heat-up time, providing instant warmth when needed.

Lastly, the CTB3924NT model offers the best in technology and features. It includes a built-in air purification system that not only heats but also improves indoor air quality. This model is equipped with Wi-Fi connectivity, allowing users to control their heating remotely via a smartphone app. Its smart technology integrates with home automation systems, enhancing convenience and user experience.

Overall, each of these Desa models provides reliable heating solutions tailored to diverse needs and spaces. Their combined focus on efficiency, safety, and user-friendly features makes them standout options in the competitive heating market.
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