I. Description

A. Fire tube

B. Burner

C. Stack

D. Pilot Burner

E. Fuel Control System

F. Accessories

1. Fuel Gas Scrubber

2. Fuel Gas Heating Coil

3. Flame Ignition System

4. Flame Arrester

5. Stack Arrester

II. Principles Of Operation

A. Gas Combustion

B. Heat Transfer

III. Application

IV. Operation

A. Start-Up Procedure

B. Shutdown Procedure

C. Routine Operation

D. Control

1. Fuel Rate to Burner

2. Air Flow to Burner

V. Troubleshooting

B. Frequent Flameout

C. Frequent Fire tube Failure

VI. Safety Devices

A. High Liquid Temperature

B. Low Level Shutdown

C. Flameout Shutdown

D. High Stack Temperature Shutdown

E. High or Low Fuel Pressure Shutdown