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manual abstract
2. Don’t touch electrical switches. 3. Extinguish any open flames. 4. Immediately call your gas supplier. Direct Fired Module FOR YOUR SAFETY The use and storage of gasoline or other flammable vapors and liquids in open containers in the vicinity of this appliance is hazardous. RECEIVING AND INSPECTION Upon receiving unit, check for any interior and exterior damage, and if found, report it immediately to the carrier. Also check that all accessory items are accounted for and are damage free. Turn the blower wheel by hand to verify free rotation and check the damper (if supplied) for free operation. WARNING!! Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury or death. Read the installation, operating and maintenance instructions thoroughly before installing or servicing this equipment. ALWAYS disconnect power and gas prior to working on heater. Save these instructions. This document is the property of the owner of this equipment and is required for future maintenance. Leave this document with the owner when installation or service is complete. May 2008 Rev. 11 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 .................................................................................................