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. Provisions 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,* permanently located, manufactured (mobile) home, where not prohibited by local codes.

This appliance is only for use with the type of gas indicated on the rating plate. This appliance is not convertible for use with other gases.

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

TABLE OF CONTENTS

Safety Information

3

Troubleshooting

20

Local Codes

4

Specifications

23

Product Identification

4

Illustrated Parts Breakdown and Parts List

24

Unpacking

4

Replacement Parts

32

Product Features

4

Service Publications

32

Air For Combustion and Ventilation

5

Service Hints

32

Installation

7

Technical Service

32

Operating Heater

14

Accessories

33

Inspecting Heater

18

Parts Central

33

Cleaning and Maintenance

19

Warranty Information

Back Cover

2

www.desatech.com

113052-01A

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Vanguard Heating VP22ITA, VP26TA VN30A, VP26A, VP16A, VP16ITA, VP16TA, VN30TA, VN18TA installation manual Table of Contents