Energy Tech Laboratories Modular Direct Fired Heaters User Manuals

Table of Contents

• WARRANTY

  3
• INSTALLATION

  4
• Mechanical

  4
• Site Preparation

  4
• Assembly

  4
• Curb and Ductwork

  4
• Roof Mount Installation

  5
• Installation with Exhaust Fan

  5
• Direct Fired Module Installation

  6
• Indoor (INLINE) Installation

  6
• Heat Module Add-On Installation

  6
• Gas

  7
• Electrical

  8
• Motorized Intake Damper

  8
• Remote Control Panel

  9
• Fan to Building Wiring Connection

  9
• OPERATION

  10
• Start Up

  10
• Special Tools Required

  10
• Start Up Procedure

  10
• Pilot Adjustment

  10
• Main Burner Adjustment

  11
• Heater Start Up Summary

  12
• Final Start Up Procedure

  13
• Pulley Adjustment

  13
• Pulley Alignment

  13
• Proper Belt Tension

  13
• Pulley Combination Chart

  14
• Sequence of Operation

  15
• Flame Safety Control

  15
• Air Flow Switch

  15
• Modulating Gas System

  16
• High Temperature Limit

  16
• Operation Summary

  16
• Optional Remote Panel Circuit

  17
• Components

  18
• Remote Panel Option

  19
• Troubleshooting

  20
• Airflow Troubleshooting Chart

  20
• Burner Troubleshooting Chart

  21
• Remote Panel Troubleshooting Chart

  22
• Troubleshooting Flowcharts

  23
• MAINTENANCE

  26
• General Maintenance

  26
• 2 weeks after startup

  27
• Every 3 months

  27
• Filter Quantity Chart

  27
• Yearly

  27
• Start-Up and Maintenance Documentation

  28
• Job Information

  28
• Heater Information

  28
• Maintenance Record

  28
• Factory Service Department

  28