Desa LSL3124P, CDL3924NT, CDL3924PT installation manual Table of Contents

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WARNING: Improper installation, adjustment, altera- tion, service or maintenance can cause injury or prop- erty damage. Refer to this manual for correct installation and operational procedures. For assistance or addi- tional information consult a qualified installer, service agency or the gas supplier.

WARNING: This appliance is for installation only in a solid-fuel burning masonry or UL127 factory-built fire- place or in a listed ventless firebox enclosure. It is de- sign-certified for these installations in accordance with ANSI Z21.11.2. Exception: Do not install this appliance in a factory-built fireplace that includes instructions stat- ing it has not been tested or should not be used with unvented gas logs.

WARNING: This is an unvented gas-fired heater. It uses air (oxygen) from the room in which it is installed. Provi- sions for adequate combustion and ventilation air must be provided. Refer to Air for Combustion and Ventilation section on page 5 of this manual.

This appliance may be installed in an aftermarket,* per- manently located, manufactured (mobile) home, where not prohibited by local codes.

This appliance is only for use with the type of gas indi- cated on the rating plate. This appliance is not convert- ible for use with other gases.

* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer

TABLE OF CONTENTS

Safety Information

3

Cleaning and Maintenance

21

Local Codes

4

Troubleshooting

22

Unpacking

4

Optional Positioning of Thermostat Sensing Bulb...

25

Product Identification

5

Specifications

26

Product Features

5

Accessories

27

Air For Combustion and ventilation

5

Service Hints

27

Installation

8

Technical Service

27

Operating heater

16

Replacement Parts

27

Manually-Controlled Models

16

Illustrated Parts Breakdown and Parts List

28

Inspecting burners

20

Warranty Information

32

2

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Contents Echo Valley Oak Log Design Meadowbrook Oak Log Design Variable ManuallyTable of Contents Safety Information Local Codes UnpackingProduct Features Product IdentificationUnusually Tight Construction AIR for Combustion VentilationDetermining FRESH-AIR Flow for Heater Location Confined and Unconfined SpaceUnconfined space, remove door to adjoining Ventilation AIRVentilation AIR from Outdoors Size makes room unconfinedInstallation Check GAS TypeIf Using Mantel Installation and Clearances for VENT-FREE OperationIf Not Using Mantel Side Wall CeilingNoncombus Tible Material Installation Distance aMantel Clearances Chimney Minimum Permanent Installing Damper Clamp Accessory for Vented OperationFloor Clearances Installing Heater Base Assembly Installation Items NeededConnecting to GAS Supply External Regulator With Vent Pointing DownTest Pressures Equal To or Less Than 1/2 Psig 3.5 kPa Checking GAS ConnectionsTest Pressures In Excess Of 1/2 Psig 3.5 kPa Correct all leaks at onceInstalling Logs Variable Manually-Controlled ModelsOperating Heater Thermostat Models CDLLighting Instructions To the OFF positionVariable Control Operation Manual Lighting ProcedureThermostat Models For Your Safety Read Before Lighting To Turn OFF GAS To ApplianceControl Knob and Ignitor Button Location Pilot Flame Pattern Inspecting BurnersThermostat Control Operation Burner Primary AIR HolesLogs Cleaning MaintenanceBurner Injector Holder and Pilot AIR Inlet Hole Troubleshooting Observed Problem Possible Cause RemedyPilot is lit Pane/LP gas company Burner orifices clogged Dark residue on logs inside Improper log placementInlet gas pressure is too low Replace burner orificesGas leak. See Warning Optional Positioning Thermostat Sensing Bulb Tools needed 1/4 hex driver or socketEcho Valley Oak Log SpecificationsImportant Do not crimp capillary Meadowbrook Oak LogTechnical Service AccessoriesService Hints Replacement PartsPropane/LP Illustrated Parts BreakdownODS Pilot Parts List Variable MANUALLY-CONTROLLED Echo Valley OAK LOG Models24-3 24-4 24-2 24-1 THERMOSTATICALLY- Controlled Meadowbrook OAK LOG Limited Warranty VENT-FREE GAS LOG Heaters Warranty InformationKeep this Warranty

LSL3124P, CDL3924PT, CDL3924NT specifications

Desa CDL3924NT, LSL3124P, and CDL3924PT are notable choices in the realm of heating appliances, demonstrating advanced engineering and an array of user-friendly features. Each model has unique characteristics, making them suitable for diverse heating needs.

The Desa CDL3924NT is particularly distinguished by its dual-fuel capability, allowing users to switch between natural gas and propane. This flexibility ensures that homeowners can choose the energy source that best suits their preferences and availability. Moreover, the model boasts a heating capacity of up to 39,000 BTUs, providing substantial warmth for large spaces. Its compact design makes it ideal for installations in rooms with limited space, while an aesthetically pleasing finish ensures that it blends seamlessly with various home decors.

Meanwhile, the LSL3124P shines with its sleek design and powerful performance. This direct vent gas stove focuses on efficiency, delivering up to 26,000 BTUs of heating output. One of its standout features is the advanced airflow system, which ensures even heat distribution, reducing cold spots and providing consistent warmth. The LSL3124P is equipped with a straightforward digital thermostat that allows for precision temperature adjustments, enhancing user convenience. Additionally, the model is designed for quiet operation, making it an excellent choice for relaxation areas like living rooms or bedrooms.

The CDL3924PT, on the other hand, emphasizes versatility and efficiency. Equipped with a programmable timer, this appliance allows users to pre-set heating schedules according to their daily routines, ultimately conserving energy and reducing utility costs. With a maximum output of 39,000 BTUs, the CDL3924PT is capable of heating larger areas effectively. The unit boasts a built-in safety shut-off feature, ensuring peace of mind in household environments. Its stylish design complements modern interiors, and its easy installation process caters to both new and seasoned homeowners.

In summary, the Desa CDL3924NT, LSL3124P, and CDL3924PT models stand out for their innovative technologies and feature sets. Each unit addresses unique heating needs with efficiency and style, making them valuable additions to any home. Whether you prioritize flexibility in fuel options, quiet operation, or programmable settings, Desa's offerings cater to various lifestyles and heating requirements. Their robust heating capabilities, coupled with user-friendly designs, ensure that every homeowner can find a suitable option for comfort during colder months.