3SAFETY CONSIDERATIONSInstalling, starting up, and servicing air−conditioning equipment can be hazardous due to systempressures, electrical components, and equipment location (roofs, elevated structures, etc.).Only trained, qualified installers and service mechanics should install, start−up, and servicethis equipment. Untrained personnel can perform basic maintenance functions such ascleaning coils.When working on the equipment, observe precautions in the literature and on tags, stickers,and labels attached to the equipment.Follow all safety codes. Wear safety glasses and work gloves. Keep a quenching cloth andfire extinguisher nearby when brazing. Use care in handling, rigging, and setting bulkyequipment.Read these instructions thoroughly and follow all warnings or cautions included in theliterature and attached to the unit. Consult the local building codes and National ElectricalCode (NEC) for special requirements. Recognize safety information.This is the safety−alert symbol. When you see this symbol on the unit and in instructionsor manuals, be alert to the potential for personal injury. Understand these signal words:DANGER, WARNING, and CAUTION. These words are used with the safety−alertsymbol. DANGER identifies the most serious hazards which will result in severe personalinjury 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 orproduct and property damage. NOTE is used to highlight suggestions which will result inenhanced installation, reliability, or operation.