Carrier 38C Series Installation, Operation And Maintenance Manual

Contents

AppendixLong-Line Guideline.(Single Stage Application For 38C Only)A. Safety ConsiderationsOnly trained service technicians familiar with standard service instructions and training materials should attempt installation, service,and repair of these units. Improper installation, adjustment, alteration, service, maintenance, or use can cause explosion, fire, electricalshock, or other conditions which may cause death, personal injury, or property damage. Consult a qualified installer, service agency, oryour distributor or branch for information o r assistance. The qualified ins ta ller or agency must use factory - authorized k i t s oraccessories when modifying this product. Refer to the individual instructions packaged with the kits or accessories when installing.Follow all safety codes. Wear safety glasses, protective clothing, and work gloves. Use quenching cloth for brazing operations. Havefire extinguisher available. Read these instructions thoroughly and follow all warnings or cautions included in literature and attached to theunit. Consult local building codes and National Electrical Code (NEC) for special requirements.Recognize safety information. This is the safety- alert symbol . When you see this symbol on the unit and in instructions ormanuals, be alert to the potential for personal injury. Understand these signal words; DANGER, WARNING, and CAUTION. Thesewords are used with the safety- alert symbol. DANGER identifies the most serious hazards which will result in severe personal injury ordeath. WARNING signifies hazards which could result in personal injury or death. CAUTION is used to identify unsafe practiceswhich may result in minor personal injury or product and property damage. NOTE is used to highlight suggestions which will result inenhanced installation, reliability, or operation.! WARNINGELECTRICAL SHOCK HAZARDFailure to follow this warning could result in personal injury or death.All equipment should be installed in accordance with accepted practices and unit Installation Instructions, and in compliance with allnational and local codes. Power should be turned off when servicing or repairing electrical components. Extreme caution shouldbe observed when troubleshooting electrical components with power on. Observe all warning notices posted on equipment and ininstructions or manuals.! WARNINGEXPLOSION AND PERSONAL SAFETY HAZARDFailure to follow this warning could result in personal injury, equipment damage or improper operation.Refrigeration systems contain refrigerant under pressure. Puron® refrigerant (R- 410A) systems operate at higher pressure thanstandard R- 22 systems. Use only service equipment and components rated for Puron® refrigerant. Extreme caution should beobserved when handling refrigerants. Wear safety glasses and gloves to prevent personal injury. During normal system operations,some components are hot and can cause burns. Rotating fan blades can cause personal injury. Appropriate safety considerations areposted throughout this manual where potentially dangerous techniques are addressed.Refrigeration systems contain refrigerant under pressure. Extreme caution should be observed when handling refrigerants. Wear safetyglasses and gloves to prevent personal injury. During normal system operations, some components are hot and can cause burns.Rotating fan blades can cause personal injury. Appropriate safety considerations are posted throughout this manual where potentiallydangerous techniques are addressed.B. DefinitionsThis Guideline c overs all residential split system air conditioner and heat pump products using Puron® refrigerant.Page 23