Carrier 40MAQ Installation Instructions Manual

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Contents

Carrier 40MAQ Installation Instructions Manual Manual pdf 2 page image

2SAFETY CONSIDERATIONSInstalling, starting up, and servicing air−conditioning equipmentcan be hazardous due to system pressures, electrical components,and equipment location (roofs, elevated structures, etc.).Only trained, qualified installers and service mechanics shouldinstall, start−up, and service this equipment.Untrained personnel can perform basic maintenance functions suchas coil cleaning. All other operations should be performed only bytrained service personnel.When working on the equipment, observe precautions in theliterature and on tags, stickers, and labels attached to theequipment.Follow all safety codes. Wear safety glasses and work gloves. Keepa quenching cloth and fire extinguisher nearby when brazing. Usecare in handling, rigging, and setting bulky equipment.Read these instructions thoroughly and follow all warnings orcautions included in the literature and attached to the unit. Consultthe local building codes and National Electrical Code (NEC) forspecial requirements. Recognize safety information. This is thesafety−alert symbol !! . When you see this symbol on the unit andin instructions or manuals, be alert to the potential for personalinjury. Understand these signal words: DANGER, WARNING,and CAUTION. These words are used with the safety−alertsymbol. DANGER identifies the most serious hazards which willresult in severe personal injury or death. WARNING signifieshazards which could result in personal injury or death. CAUTIONis used to identify unsafe practices which may result in minorpersonal injury or product and property damage. NOTE is used tohighlight suggestions which will result in enhanced installation,reliability, or operation.! WARNINGELECTRICAL SHOCK HAZARDFailure to follow this warning could result in personalinjury or death.Before installing, modifying, or servicing system, mainelectrical disconnect switch must be in the OFFposition. There may be more than 1 disconnect switch.Lock out and tag switch with a suitable warning label.EXPLOSION HAZARDFailure to follow this warning couldresult in death, serious personal injury,and/or property damage.Never use air or gases containingoxygen for leak testing or operatingrefrigerant compressors. Pressurizedmixtures of air or gases containingoxygen can lead to an explosion.! WARNINGCAUTION!EQUIPMENT DAMAGE HAZARDFailure to follow this caution may result in equipmentdamage or improper operation.Do not bury more than 36 in. (914 mm) of refrigerant pipein the ground. If any section of pipe is buried, there must bea 6 in. (152 mm) vertical rise to the valve connections onthe outdoor units. If more than the recommended length isburied, refrigerant may migrate to the cooler buried sectionduring extended periods of system shutdown. This causesrefrigerant slugging and could possibly damage thecompressor at start−up.