Desa EFS33NRA, VSGF33NRA installation manual 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 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 6 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

State of Massachusetts: The installation must be made by a licensed plumber or gas fitter in the Commonwealth of Massachusetts.

Sellers of unvented propane or natural gas-fired supplemental room heaters shall provide to each purchaser a copy of 527 CMR 30 upon sale of the unit.

Vent-free gas products are prohibited for bedroom and bathroom installation in the Common- wealth of Massachusetts.

TABLE OF CONTENTS

Safety Information	3	Wiring Diagram	24
Product Identification	4	Specifications	24
Local Codes	5	Troubleshooting	25
Unpacking	5	Replacement Parts	29
Product Features	5	Service Hints	29
Air For Combustion and Ventilation	6	Technical Service	29
Installation	8	Illustrated Parts Breakdown and Parts List	30
Operating Fireplace	19	Accessories	34
Inspecting Burners	22	Warranty Information	36
Cleaning and Maintenance	23

2 www.desatech.com 107172-01K