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

asolid-fuel burning masonry or UL127 factory-built fireplace or in a listed ventless firebox enclosure. It is design-certified for these installations in accordance with ANSI Z21.11.2. Exception: Do not install this appli- ance in a factory-built fireplace that includes instruc- tions 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 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

TABLE OF CONTENTS

Safety Information

3

Wiring Diagram

20

Product Identification

5

Cleaning and Maintenance

21

Local Codes

5

Troubleshooting

22

Unpacking

5

Specifications

26

Optional Remote Control Accessories

5

Replacement Parts

26

Product Features

5

Service Hints

26

Air For Combustion and Ventilation

6

Technical Service

26

Installation

8

Accessories

27

Operating Heater

16

Illustrated Parts Breakdown and Parts List

28

Inspecting Burner

20

Warranty Information

Back Cover

2

www.desatech.com

114744-01B

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Desa SBJ18VPA, SMA18VPA, SBJ24VNA, SMA24VNA installation manual Table of Contents

SMA24VNA, SBJ18VPA, SBJ24VNA, SMA18VPA, SBJ24VNA, SBJ24VPA, SMA24VNA, SMA24VPA, SBJ18VNA, SBJ18VPA, SMA18VNA, SMA18VPA specifications

Desa SMA18VPA, SMA24VNA, SBJ24VNA, SBJ24VPA, SMA24VNA, SMA24VPA, SBJ18VNA, SBJ18VPA, SMA18VNA, and SMA18VPA represent a series of advanced technologies in the field of energy production and consumption. These models are integral to the development of sustainable energy solutions and stand out for their innovative features.

One of the main features shared by all these models is their ability to optimize energy efficiency. They are designed with smart energy management systems that monitor and control energy distribution effectively. This ensures that energy consumption is minimized while maximizing output, making them ideal for both residential and commercial applications.

SMA18VPA and SMA24VNA are both characterized by high-performance inverters that convert DC electricity from solar panels into AC electricity. These models utilize cutting-edge inverter technology which increases energy yield even in partial shading conditions. Similarly, SBJ series, including SBJ24VNA and SBJ18VNA, emphasize modularity and flexibility, allowing users to expand their systems according to changing energy needs.

In terms of connectivity, these models are equipped with advanced communication protocols. This includes Wi-Fi and Ethernet options, which facilitate real-time monitoring and remote management through user-friendly mobile applications. Users can seamlessly track their energy production, consumption, and savings on their smartphones or tablets.

Another notable characteristic is the emphasis on durability and reliability. The materials used in these constructions are often weather-resistant, ensuring longevity and reducing maintenance costs over time. For instance, SMA24VPA utilizes robust casing that protects internal components from environmental damage.

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In conclusion, Desa SMA18VPA, SMA24VNA, SBJ24VNA, SBJ24VPA, SMA24VNA, SMA24VPA, SBJ18VNA, SBJ18VPA, SMA18VNA, and SMA18VPA are at the forefront of energy technology. With their energy efficiency, advanced connectivity features, durability, environmental responsibility, and scalability, they offer optimal solutions for modern energy demands, paving the way for a more sustainable future.