Heat Chamber; Burner; Burner Ring; Burner Mat - Toyotomi NS-2800 Service Manual

Cabin heater

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Table of Contents

1-6.

Heat Chamber

The combustion assembly consists of two main parts; one is the heat chamber and the

other is the burner. The heat chamber is a cylinder which is secured to the burner. The

heat chamber has a window, allowing the serviceman to visually examine the

combustion process (i.e. glowing igniter coil or proper flame). The heat exchanger is

connected to the top of the heat chamber.

The burner is positioned on the cabinet base. Connected to the burner are the igniter

(located within the burner) and a fuel line. Within the burner are the burner ring and

burner mat. An airway in the cabinet base channels air from the intake fan of the

combustion blower to the base of the burner. The flame sensor is mounted through the

wall of the heat chamber.

1-7.

The burner has double wall construction and contains an igniter tube, a fuel inlet fitting

and a series of air holes on the inner wall.

1-8.

This part is designed to promote efficient burning. The burner ring is held by spring clips

to mounting posts within the burner.

1-9.

The burner mat ensures even vaporization of the fuel for proper burning.

The burner thermistor checks the burner temperature for proper burning.

The flame sensor checks the condition of the flame for proper burning.

The coil type igniter is designed to vaporize and ignite the air/fuel mixture to start the

combustion process.

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