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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