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TABLE OF CONTENTS
Mounting the 1500/2000/2500 Indoor Models ....................................................................................................... 2
Mounting the 1500 Rooftop models ...................................................................................................................... 3
Mounting the 2000 Rooftop models ...................................................................................................................... 2
Mounting the 2500 Rooftop models ...................................................................................................................... 2
Roof Curb Assembly Instructions .......................................................................................................................... 2
Ducting the System ............................................................................................................................................. 3
Dimensional Drawings .......................................................................................................................................... 4
The Integrated HVAC System ........................................................................................................................... 7
Stale Air Return And Fresh Air Supply System .................................................................................................... 9
Weatherhoods ............................................................................................................................................... 10
Drain Connections .......................................................................................................................................... 11
Function and Controls .................................................................................................................................... 12
Main Wall Control ............................................................................................................................................. 2
Timers and Repeaters ...................................................................................................................................... 5
Dehumidistat ................................................................................................................................................... 9
Aircom Relays & Interlocking to a furnace/air handler ...................................................................................... 10
Adjusting the air flow (1500 units) .................................................................................................................. 11
Adjusting the Airflow (2000 units) ................................................................................................................... 12
Adjusting the Airflow (2500 units) ................................................................................................................... 13
Fan Defrost (All units) .................................................................................................................................... 14
Balancing the Airflows .................................................................................................................................... 15
Service and Maintenance (1500 Units) ............................................................................................................. 17
Service and Maintenance (2000 Units) ............................................................................................................. 18
Service and Maintenance (2500 Units) ............................................................................................................. 19
Wiring Diagrams (1500I-ECM/E-ECM) .............................................................................................................. 20
Wiring Diagrams (2000IFD/EFD-208) .............................................................................................................. 21
Wiring Diagrams (2000IFD/EFD, -208SP)......................................................................................................... 22
Wiring Diagrams (2000IFD/EFD-460) .............................................................................................................. 23
Wiring Diagrams (2000IFD/EFD-575) .............................................................................................................. 24
Wiring Diagrams (2500IFD/EFD) ..................................................................................................................... 25
Wiring Diagrams (2500IFD/EFD-208) .............................................................................................................. 26
Warranty ....................................................................................................................................................... 27
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