FloAire Compact Direct Fired Heater - Manual (Page 3)

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TABLE OF CONTENTS
WARRANTY ...................................................................................................................................................................................... 4
INSTALLATION ................................................................................................................................................................................. 5
Mechanical ................................................................................................................................................................................... 5
Site Preparation ...................................................................................................................................................................... 5
Assembly ................................................................................................................................................................................ 5
Curb and Ductwork ................................................................................................................................................................. 6
Roof Mount Installation............................................................................................................................................................ 6
Installation with Exhaust Fan ................................................................................................................................................... 7
Indoor (INLINE) Installation ..................................................................................................................................................... 7
Gas .............................................................................................................................................................................................. 8
Gas Connection Sizes ............................................................................................................................................................. 8
Gas Pressure Table ................................................................................................................................................................ 8
Gas Connection Diagram ........................................................................................................................................................ 8
Electrical ...................................................................................................................................................................................... 9
Copper Wire Ampacity ............................................................................................................................................................ 9
PSC (Permanent Split Capacitor) Motor Speed Control ......................................................................................................... 10
ECM (Electronically Controlled Motor) Speed Control ........................................................................................................... 10
Motorized Intake Damper ...................................................................................................................................................... 11
Electric Cabinet Heater ......................................................................................................................................................... 11
Remote Control Panel ........................................................................................................................................................... 11
Fan to Building Wiring Connection ........................................................................................................................................ 12
OPERATION ................................................................................................................................................................................... 12
Start Up ...................................................................................................................................................................................... 12
Special Tools Required ......................................................................................................................................................... 12
Start Up Procedure ............................................................................................................................................................... 12
Pilot Adjustment .................................................................................................................................................................... 13
Pilot Assembly ...................................................................................................................................................................... 13
Main Burner Adjustment ........................................................................................................................................................ 14
Heater Start Up Summary ..................................................................................................................................................... 15
Final Start Up Procedure ....................................................................................................................................................... 16
Pulley Adjustment ................................................................................................................................................................. 16
Pulley Alignment ................................................................................................................................................................... 16
Proper Belt Tension .............................................................................................................................................................. 16
Pulley Setscrew Torque ........................................................................................................................................................ 16
Pulley Combination Chart ...................................................................................................................................................... 17
Sequence of Operation ............................................................................................................................................................... 17
Flame Safety Control ............................................................................................................................................................ 17
Air Flow Switch ..................................................................................................................................................................... 18
Modulating Gas System ........................................................................................................................................................ 18
High Temperature Limit ......................................................................................................................................................... 19
Operation Summary .............................................................................................................................................................. 19
Optional Remote Panel Circuit .............................................................................................................................................. 20
Components ............................................................................................................................................................................... 21
Remote Panel Option ............................................................................................................................................................ 22
Troubleshooting.......................................................................................................................................................................... 23
Airflow Troubleshooting Chart ............................................................................................................................................... 23
Burner Troubleshooting Chart ............................................................................................................................................... 24
Remote Panel Troubleshooting Chart ................................................................................................................................... 25
Troubleshooting Flowcharts .................................................................................................................................................. 26
MAINTENANCE .............................................................................................................................................................................. 27
General Maintenance ................................................................................................................................................................. 27
2 weeks after startup .................................................................................................................................................................. 28
Every 3 months .......................................................................................................................................................................... 28
Filter Quantity Chart .............................................................................................................................................................. 28
Yearly ......................................................................................................................................................................................... 28
Burner Orifice Drill Size ........................................................................................................................................................ 28
Start-Up and Maintenance Documentation ................................................................................................................................. 29
Job Information ..................................................................................................................................................................... 29
Heater Information ................................................................................................................................................................ 29
Maintenance Record ............................................................................................................................................................. 29
Factory Service Department .................................................................................................................................................. 29