From inside (document excerpt):
Owner’s Guide A Guide to Operating and Maintaining Your Cooling Unit Single Packaged Air Conditioner PA3Z Fig. 1–Unit PA3Z NOTE TO INSTALLER: This manual should be left with the equipment owner. FOR YOUR SAFETY Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. WARNING: FIRE, EXPLOSION, ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury, death or property damage.
Do not use this unit if any part has been under water. Immediately call a qualified service technician to inspect the unit and to replace any part of the control system which has been under water. WARNING: ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury, death. Before performing recommended maintenance, be sure the main power switch to unit is turned off. WELCOME TO EFFICIENT YEAR-ROUND COMFORT Congratulations on your excellent choice and sound investment in year-round home comfort! Your new air conditioner represents both the latest in engineering development and the culmination of many years of experience from one of the most reputable manufacturers of comfort systems. Your new unit is among the most energy-efficient and reliable air conditioning products available today. To assure its dependability, spend just a few minutes with this booklet now to learn about the operation of your air conditioner, and the small amount of maintenance it takes to keep it operating at its peak efficiency. With minimal care, your new air conditioner will provide you and your family with year-round home comfort–both now and for years to come. SAFETY CONSIDERATIONS Recognize safety information. This is the safety-alert symbol. When you see this symbol on unit or in instructions and manuals, be alert to potential for personal injury. Catalog No. OG-PA3Z-01 Cancels: New Printed in U.S.A. 9-05 Understand the signal words DANGER, WARNING, and CAUTION. These words are used with the safety-alert symbol. DANGER identifies the most serious hazards which will result in severe personal injury or death. WARNING signifies hazards which could result in personal injury or death. CAUTION is used to identify unsafe practices which may result in minor personal injury or product and property damage. NOTE is used to highlight suggestions which will result in enhanced installation, reliability, or operation. WARNING: FIRE AND ELECTRICAL SHOCK HAZARD Improper installation, adjustment, alteration, service, maintenance, or use can cause explosion, fire, electrical shock, or other conditions which could cause serious injury, death or property damage. Consult a qualified installer, service agency, or your distributor or dealer for information or assistance. The qualified installer or agency must use factory-authorized kits or accessories when modifying this product. YOUR COMFORT SYSTEM A. Identifying Your System Take the time to familiarize yourself with your packaged air conditioning system.