Carrier PH4G-B Series Installation Instructions Manual

Installation InstructionIMPORTANT: Effective January 1, 2015, all split system and packagedair conditioners must be installed pursuant to applicable regionalefficiency standards issued by the Department of Energy.NOTE: Read the entire instruction manual before starting theinstallation.NOTE: Installer: Make sure the Owner’s Manual and ServiceInstructions are left with the unit after installation.Table of ContentsSafety Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Receiving and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Identify Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Inspect Shipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Roof Curb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Slab Mount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6Rigging/Lifting of Unit (See Fig. 5) . . . . . . . . . . . . . . . . . . . . . . 7Configuring Units for Downflow (Vertical) Discharge . . . . . . . 7High-Voltage Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Special Procedures for 208-V Operation . . . . . . . . . . . . . . . . . . 9Control Voltage Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Standard Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Transformer Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Accessory Electric Heaters Installation . . . . . . . . . . . . . . . . . . . 9Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Pre-Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18Start-Up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18Checking Cooling and Heating Control Operation. . . . . . . . . . 18Checking and Adjusting Refrigerant Charge . . . . . . . . . . . . . . 19Indoor Airflow and Airflow Adjustments . . . . . . . . . . . . . . . . 19Single Cooling Fan Speed Set-up (Dehumidification feature notused) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19Two Cooling Fan Speeds Set-up (Dehumidification feature used)19Single Speed Cooling With Higher Electric Heat Speed . . . . . 20Continuous Fan Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20Defrost Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21Defrost Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27Indoor Blower and Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27Refrigerant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31Compressor Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31Servicing Systems on Roofs with Synthetic Materials . . . . . . . 31Liquid Line Filter Drier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31R-410A Refrigerant Charging . . . . . . . . . . . . . . . . . . . . . . . . . 31Loss of Charge Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32Check Defrost Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32Start-Up Checklist. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32A09183Fig. 1 – Unit PH4GSafety ConsiderationsInstallation and servicing of this equipment can be hazardous due tomechanical and electrical components. Only trained and qualifiedpersonnel should install, repair, or service this equipment.Untrained personnel can perform basic maintenance functions such ascleaning and replacing air filters. All other operations must be performedby trained service personnel. When working on this equipment, observeprecautions in the literature, on tags, and on labels attached to or shippedwith the unit and other safety precautions that may apply.Follow all safety codes. Wear safety glasses, protective clothing, andwork gloves. Use quenching cloth for brazing operations. Have a fireextinguisher available. Read these instructions thoroughly and follow allwarnings or cautions included in literature and attached to the unit.Consult local building codes, the current editions of the NationalElectrical Code (NEC) NFPA 70.In Canada refer to the current editions of the Canadian Electrical CodeCSA C22.1.Recognize safety information. This is the safety-alert symbol . Whenyou see this symbol on the unit and in instructions or manuals, be alert tothe potential for personal injury. Understand these signal words:DANGER, WARNING, and CAUTION. These words are used with thesafety-alert symbol. DANGER identifies the most serious hazards whichwill result in severe personal injury or death. WARNING signifieshazards which could result in personal injury or death. CAUTION isused to identify unsafe practices which may result in minor personalinjury or product and property damage. NOTE is used to highlightsuggestions which will result in enhanced installation, reliability, oroperation.PH4G--B14 SEER Single-Packaged Heat Pump Systemwith R-410A RefrigerantSingle Phase 2-5 Nominal Tons (Sizes 24-60)Three Phase 3-5 Nominal Tons (Sizes 36-60)