Carrier 50VL-C Manuals

1 50VL---C, 50VL---D Comfort 14 SEER Single and Three Phase Single Packaged Air Conditioner System With Puronr (R---410A) Refrigerant 2---5 Nominal Tons (Sizes 24---60) Owner’s Information Manual A170030 Fig. 1 -- Unit 50VL--C, 50VL--D NOTE TO EQUIPMENT OWNER: For your convenience, please record the model and serial numbers of your new equipment in the spaces provided. This information, along with the installation data and dealer contact information, will be helpful should your system require maintenance or service. UNIT INFORMATION Model # _____________________________________ Serial # ______________________________________ ACCESSORIES (List type and model #) _____________________________________________ _____________________________________________ _____________________________________________ INSTALLATION INFORMATION Date Installed ________________________________ DEALERSHIP CONTACT INFORMATION Company Name_______________________________ Address______________________________________ _____________________________________________ Phone Number _______________________________ Technician Name _____________________________ _____________________________________________ NOTE TO INSTALLER: This manual must be left with the equipment owner. Our products are designed, tested and built in accordance with DOE standardized procedures; however, actual operating results and efficiencies may vary based on manufacturing and supplier tolerances, equipment configuration, operating conditions and installation practices.

1 50ES---A and 50VL---C Comfort™ 13 SEER Three Phase 2 ½ --- 5 Nominal Tons (Sizes 30---60) Comfort 14 SEER Single and Three Phase 2---5 Nominal Tons (Sizes 24---60) Single Packaged Air Conditioner System With Puronr (R---410A) Refrigerant Owner’s Information Manual A09034 Fig. 1 -- Unit 50ES--A and 50VL--C NOTE TO EQUIPMENT OWNER: For your convenience, please record the model and serial numbers of your new equipment in the spaces provided. This information, along with the installation data and dealer contact information, will be helpful should your system require maintenance or service. UNIT INFORMATION Model # _____________________________________ Serial # ______________________________________ ACCESSORIES (List type and model #) _____________________________________________ _____________________________________________ _____________________________________________ INSTALLATION INFORMATION Date Installed ________________________________ DEALERSHIP CONTACT INFORMATION Company Name_______________________________ Address______________________________________ _____________________________________________ Phone Number _______________________________ Technician Name _____________________________ _____________________________________________ NOTE TO INSTALLER: This manual must be left with the equipment owner.

1 50VL---C Comfortt 14 SEER Single---Packaged Air Conditioner System with Puron (R---410A) Refrigerant Single Phase 2---5 Nominal Tons (Sizes 24---60) Three Phase 3---5 Nominal Tons (Sizes 36---60) Installation Instructions IMPORTANT: Effective January 1, 2015, all split system and packaged air conditioners must be installed pursuant to applicable regional efficiency standards issued by the Department of Energy. NOTE: Read the entire instruction manual before starting the installation. NOTE: Installer: Make sure the Owner’s Manual and Service Instructions are left with the unit after installation. TABLE OF CONTENTS PAGE SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . 1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 RECEIVING AND INSTALLATION . . . . . . . . . . . . . . . . . 2--10 Check Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Identify Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Inspect Shipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Provide Unit Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Roof Curb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Slab Mount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Provide Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Field Fabricate Ductwork . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Rig and Place Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Rigging/Lifting of Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Connect Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Install Duct Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Configuring Units for Downflow (Vertical) Discharge . . . . 8 Install Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . 9 High--Voltage Connections . . . . . . . . . . . . . . . . . . . . . . . . . 9 Special Procedures for 208v Operation . . . . . . . . . . . . . . . 10 Control Voltage Connections . . . . . . . . . . . . . . . . . . . . . . . 10 Standard Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Transformer Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 PRE--START--UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 START--UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12--14 Check for Refrigerant Leaks . . . . . . . . . . . . . . . . . . . . . . . . . 12 Start--Up Cooling Section and Making Adjustments . . . . . . . 12 Checking Cooling Control Operation . . . . . . . . . . . . . . . . 12 Checking and Adjusting Refrigerant Charge . . . . . . . . . . . 12 Indoor Airflow and Airflow Adjustments . . . . . . . . . . . . . 13 Continuous Fan Operation . . . . . . . . . . . . . . . . . . . . . . . . 14 Cooling Sequence of Operation . . . . . . . . . . . . . . . . . . . . . 14 MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29--31 Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Indoor Blower and Motor . . . . . . . . . . . . . . . . . . . . . . . . . 29 Outdoor Coil, Indoor Coil, and Condensate Drain Pan . . . 30 Outdoor Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Electrical Controls and Wiring . . . . . . . . . . . . . . . . . . . . . 30 Refrigerant Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Evaporator Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Puron Items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 START--UP CHECKLIST 32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . A09034 Fig. 1 -- Unit 50VL--C SAFETY CONSIDERATIONS Improper installation adjustment, alteration, service, maintenance, or use can cause explosion, fire, electrical shock, or other conditions which may cause death, personal injury, or property damage. Consult a qualified installer, service agency, or your distributor or branch for information or assistance. The qualified installer or agency must use factory--authorized kits or accessories 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. Have a fire extinguisher available. Read these instructions thoroughly and follow all warnings or cautions included in literature and attached to the unit. Consult local building codes, the current editions of the National Electrical Code (NEC) NFPA 70. In Canada refer to the current editions of the Canadian electrical Code CSA C22.1. Recognize safety information. This is the safety--alert symbol . When you see this symbol on the unit and in instructions or manuals, be alert to the potential for personal injury. Understand these 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.

1 50VL---C, 50VL---D Comfortt 14 SEER Single---Packaged Air Conditioner System with Puron (R---410A) Refrigerant Single Phase 2---5 Nominal Tons (Sizes 24---60) Three Phase 3---5 Nominal Tons (Sizes 36---60) Installation Instructions IMPORTANT: Effective January 1, 2015, all split system and packaged air conditioners must be installed pursuant to applicable regional efficiency standards issued by the Department of Energy. NOTE: Read the entire instruction manual before starting the installation. NOTE: Installer: Make sure the Owner’s Manual and Service Instructions are left with the unit after installation. TABLE OF CONTENTS PAGE SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . 1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 RECEIVING AND INSTALLATION . . . . . . . . . . . . . . . . . 2--10 Check Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Identify Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Inspect Shipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Provide Unit Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Roof Curb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Slab Mount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Provide Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Field Fabricate Ductwork . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Rig and Place Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Rigging/Lifting of Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Connect Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Install Duct Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Configuring Units for Downflow (Vertical) Discharge . . . . 8 Install Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . 9 High--Voltage Connections . . . . . . . . . . . . . . . . . . . . . . . . . 9 Special Procedures for 208v Operation . . . . . . . . . . . . . . . 10 Control Voltage Connections . . . . . . . . . . . . . . . . . . . . . . . 10 Standard Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Transformer Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 PRE--START--UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 START--UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12--14 Check for Refrigerant Leaks . . . . . . . . . . . . . . . . . . . . . . . . . 12 Start--Up Cooling Section and Making Adjustments . . . . . . . 12 Checking Cooling Control Operation . . . . . . . . . . . . . . . . 12 Checking and Adjusting Refrigerant Charge . . . . . . . . . . . 12 Indoor Airflow and Airflow Adjustments . . . . . . . . . . . . . 13 Continuous Fan Operation . . . . . . . . . . . . . . . . . . . . . . . . 14 Cooling Sequence of Operation . . . . . . . . . . . . . . . . . . . . . 14 MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29--31 Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Indoor Blower and Motor . . . . . . . . . . . . . . . . . . . . . . . . . 29 Outdoor Coil, Indoor Coil, and Condensate Drain Pan . . . 30 Outdoor Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Electrical Controls and Wiring . . . . . . . . . . . . . . . . . . . . . 30 Refrigerant Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Evaporator Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Puron Items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 START--UP CHECKLIST 32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . A170030 Fig. 1 -- Unit 50VL--C, 50VL--D SAFETY CONSIDERATIONS Improper installation adjustment, alteration, service, maintenance, or use can cause explosion, fire, electrical shock, or other conditions which may cause death, personal injury, or property damage. Consult a qualified installer, service agency, or your distributor or branch for information or assistance. The qualified installer or agency must use factory--authorized kits or accessories 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. Have a fire extinguisher available. Read these instructions thoroughly and follow all warnings or cautions included in literature and attached to the unit. Consult local building codes, the current editions of the National Electrical Code (NEC) NFPA 70. In Canada refer to the current editions of the Canadian electrical Code CSA C22.1. Recognize safety information. This is the safety--alert symbol . When you see this symbol on the unit and in instructions or manuals, be alert to the potential for personal injury. Understand these 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.