Desa VF-24N-MHD, VF-24P-MHD, VF-18N-MHD, VF-18P-MHD, VF-18P-MHD, VF-18N-MHd 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	Cleaning and Maintenance.	...............................	19
Product Identification	4	Troubleshooting		21
Local Codes	5	Wiring Diagram		24
Unpacking	5	Replacement Parts		25
Product Features	5	Service Hints		25
Air For Combustion and Ventilation	5	Technical Service		25
Installation	8	Accessories		25
Operating Heater	15	Illustrated Parts Breakdown and Parts List		26
Inspecting Burners	18	Warranty Information	Back Cover

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