Desa CCL3930PTB/NTB, CRL3124PA/NA, CCL3018PA/NA, CCL3924PTA/NTA, CCL3924PA/NA Table of Contents

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 stating 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	Service Hints		24
Local Codes	4	Technical Service		24
Product Identification	5	Troubleshooting		25
Unpacking	5	Optional Positioning of Thermostat Sensing Bulb ..		28
Product Features	5	Specifications		29
Air for Combustion and Ventilation	5	Illustrated Parts Breakdown and Parts List		30
Installation	8	Replacement Parts		38
Operating Heater	19	Accessories		38
Inspecting Burners	23	Parts Central		39
Cleaning and Maintenance	23	Warranty Information	Back Cover

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