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TABLE OF CONTENTS
WARRANTY .................................................................................................................................................. 4
INSTALLATION ............................................................................................................................................. 5
Mechanical ................................................................................................................................................ 5
Site Preparation .................................................................................................................................... 5
Assembly .............................................................................................................................................. 5
Curb and Ductwork ............................................................................................................................... 5
Roof Mount Installation ......................................................................................................................... 6
Installation with Exhaust Fan ................................................................................................................ 6
Direct Fired Module Installation ............................................................................................................ 7
Indoor (INLINE) Installation .................................................................................................................. 7
Heat Module Add-On Installation ......................................................................................................... 7
Gas ........................................................................................................................................................... 8
Electrical ................................................................................................................................................... 9
Motorized Intake Damper ..................................................................................................................... 9
Remote Control Panel ........................................................................................................................ 10
Fan to Building Wiring Connection ..................................................................................................... 10
OPERATION ............................................................................................................................................... 11
Start Up ................................................................................................................................................... 11
Special Tools Required ...................................................................................................................... 11
Start Up Procedure ............................................................................................................................. 11
Pilot Adjustment .................................................................................................................................. 11
Main Burner Adjustment ..................................................................................................................... 12
Heater Start Up Summary .................................................................................................................. 13
Final Start Up Procedure .................................................................................................................... 14
Pulley Adjustment ............................................................................................................................... 14
Pulley Alignment ................................................................................................................................. 14
Proper Belt Tension ............................................................................................................................ 14
Pulley Combination Chart ................................................................................................................... 15
Sequence of Operation ........................................................................................................................... 16
Flame Safety Control .......................................................................................................................... 16
Air Flow Switch ................................................................................................................................... 16
Modulating Gas System ..................................................................................................................... 17
High Temperature Limit ...................................................................................................................... 17
Operation Summary ........................................................................................................................... 17
Optional Remote Panel Circuit ........................................................................................................... 18
Components ............................................................................................................................................ 19
Remote Panel Option ......................................................................................................................... 20
Troubleshooting ...................................................................................................................................... 21
Airflow Troubleshooting Chart ............................................................................................................ 21
Burner Troubleshooting Chart ............................................................................................................ 22
Remote Panel Troubleshooting Chart ................................................................................................ 23
Troubleshooting Flowcharts ............................................................................................................... 24
MAINTENANCE .......................................................................................................................................... 25
General Maintenance ............................................................................................................................. 25
2 weeks after startup .............................................................................................................................. 26
Every 3 months ....................................................................................................................................... 26
Filter Quantity Chart ........................................................................................................................... 26
Yearly ...................................................................................................................................................... 26
Start-Up and Maintenance Documentation ............................................................................................ 28
Job Information ................................................................................................................................... 28
Heater Information .............................................................................................................................. 28
Maintenance Record .......................................................................................................................... 28
Factory Service Department ............................................................................................................... 28