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GENERAL INFORMATION
IMPORTANT: Read this entire manual before beginning instal- lation procedures.
SAFETY NOTICE. THIS INFORMATION IS INTENDED FOR USE BY INDIVIDUALS POSSESSING ADEQUATE BACK- GROUNDS OF ELECTRICAL AND MECHANICAL EXPERI- ENCE. ANY ATTEMPT TO REPAIR A CENTRAL AIR CONDI- TIONING PRODUCT MAY RESULT IN PERSONAL INJURY AND/OR PROPERTY DAMAGE. THE MANUFACTURER OR SELLER CANNOT BE RESPONSIBLE FOR THE INTERPRE- TATION OF THIS INFORMATION, NOR CAN IT ASSUME LIABILITY IN CONNECTION WITH ITS USE.
WARNING:
HAZARDOUS VOLTAGE - DISCONNECT POWER BEFORE SERVICING
IMPORTANT: RECONNECT ALL GROUNDING DEVICES. ALL PARTS OF THIS PRODUCT CAPABLE OF CONDUCTING ELECTICAL CURRENT ARE GROUNDED. IF GROUNDING WIRES, SCREWS, STRAPS, CLIPS NUTS OR WASHERS USED TO COMPLETE A PATH TO GROUND ARE REMOVED FOR SERVICE. THEY MUST BE RETURNED TO THIER ORIGI- NAL POSITION AND PROPERLY FASTENED.
IMPORTANT: ALL POWER LEGS MAY NOT BE BROKEN BY CONTACTORS. SEE WIRING DIAGRAM ON UNIT CONTROL BOX COVER.
BEFORE STARTING THE COMPRESSOR, THE CRANKCASE HEATER SHOULD BE ENERGIZED FOR EIGHT HOURS
Read this manual carefully before attempting to install, operate, or perform maintenance on this unit. Installation and maintenance should be performed by qualified service technicians only.
NOTE: "Warnings" and "Cautions" appear at appropriate places in this manual. Your personal safety and the proper operation of this air conditioning product require that you follow them carefully. The manufacturer assumes no liability for installations or servicing performed by unqualified personnel.
INSPECTION
1.Check for damage after the unit is unloaded. Report promptly, to the carrier, any damage found to the unit. Do not drop the unit.
IMPORTANT: The use of "spreader bars" is required when hoisting the unit ( to prevent damage to sides and top ).
2.Check the unit's nameplate to determine if the unit is correct for the intended application. The power supply must be adequate for both the unit and all accessories.
3.Check to be sure the refrigerant charge has been retained during shipment. Access to 1/4" flare pressure taps may be gained by removing the furnace compartment access panel.
1 | TYPICAL ROOFTOP INSTALLATION WITH FULL PERIMETER CURBS | ||
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| FIELD SUPPLIED | |
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| SUPPORTS | |
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| AT EACH END | |
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| OF CURB | |
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| ROOFING | |
| ROOF INSULATION |
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| FIELD SUPPLIED | |
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| CANT STRIP | |
| ROOF DECK |
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| FIELD SUPPLIED |
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| RIGID INSULATION |
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| ROOF MOUNTING | |
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| CURB | |
| SUPPLY AIR | RETURN AIR | |
| DUCT | ||
| DUCT | ||
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