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OUTDOOR SPLIT SYSTEM HEAT PUMP 16 SEER
INSTALLATION INSTRUCTIONS
TWO-STAGE, R-410A MODELS
IMPORTANT SAFETY INFORMATION ................. 2 Short Cycle Protection .......................................... 7
Defrost Cycle Control ............................................ 7
HEAT PUMP INSTALLATION ................................ 3
Defrost Test Procedure.......................................... 7
General Information .............................................. 3
Anti Short Cycle Timer Test ..
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IMPORTANT SAFETY INFORMATION WARNING: INSTALLER: Please read all instructions before servicing this equipment. Pay attention to all safety warnings and Unless noted otherwise in these instructions, any other special notes highlighted in the manual. Safety only factory authorized parts or accessory markings are used frequently throughout this manual to kits may be used with this product. Improper designate a degree or level of seriousness and should not installation, service, adjustment,
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HEAT PUMP INSTALLATION Packaging Removal To prevent damage to the tubing onnections, carefully General Information remove the carton and user’s manual from the equipment. Split system heat pumps are designed only for outdoor Discard the shipping carton. rooftop or ground level installations. This unit has been tested for capacity and efficiency in accordance with Ground Level AHRI Standards and will provide many years of safe Ground level installations must be located according to and dep
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Connecting Refrig erant T ubing Between ELECTRICAL WIRING the Indoor & Outdoor Unit WARNING: CAUTION: To avoid risk of electrical shock, personal When servicing, cover or seal openings to injury, or death, disconnect all electrical power minimize the exposure of the refrigerant system to the unit before performing any maintenance to air to prevent accumulation of moisture and or service. The unit may have more than one other contaminants. electrical supply. After outdoor and indoor
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the line-voltage leads to the terminals on the contactor COPPER WIRE SIZE — AWG inside the control compartment. (1% V olta g e Dr op) • Use only copper wire f or the line v oltage po w er supply to this unit as listed in Table 1. Use proper code agency Supply Wire Length-Feet Supply Circuit listed conduit and a conduit connector for connecting Ampacity 200 150 100 50 the supply wires to the unit. Use of rain tight conduit is 6 8 10 14 15 recommended. 4 6 8 12 20 • 208/230 V olt
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• Do not add additional oil to motors unequipped with oil Optional Equipment tubes. The compressor is hermetically sealed at the Optional equipment requiring connection to the power factory and does not require lubrication. or control circuits must be wired in strict accordance with current provisions of the NEC (ANSI/NFPA 70), START UP & ADJUSTMENTS with applicable local codes having jurisdiction, and the installation instructions provided with the equipment. Pre-Start Check Li
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thermostat. NOTE: The blower should also stop unless DIAGNOSTIC DESCRIPTION LED STATUS fan switch is set to the ON position. Control Fault (No Power) Off System Heating (Optional) Normal Operation On 1. If heating equipment (furnace, air handler) is provided ASCD Delay Active with the system, lower the thermostat setpoint 1 Flash (with compressor demand) temperature to the lowest temperature setting and change the thermostat’s system mode to HEAT. Low Pressure Switch Lockout 2 Flashes 2. Gr
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• A high-pressure switch is factory installed and located Anti Short Cycle Timer Test internally on the compressor discharge line of the outdoor The 3-minute time delay feature can be bypassed by shorting the TEST pins together. unit. If the discharge pressure rises above 650 psig, the s witch will open and de-energiz e the outdoor unit. Heating Mode The switch will close again after the discharge pressure When the TEST pins are shorted together for more than decreases to 460 ps
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2. Measure the liquid refrigerant temperature (in refrigeration system with one capable of acid removal. Fahrenheit) at the service valve. After completing the repairs, evacuate the system to 3. Determine the required liquid refrigerant pressure. Refer 350 - 500 microns and weigh in the refrigerant to the to Tables 3-9 (pages 11-13) and Figures 5-11 (pages amount specified on the unit rating label. • Charging char ts are v alid f or a v ar iety of indoor , retur n 13-16). air condi
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500 475 Remove refrigerant when above curve 450 425 400 375 350 325 300 275 Add refrigerant when below curve 250 70 75 80 85 90 95 100 105110 115 120 125 Liquid Temperature (° F) Figure 4. Charging Chart for 3 Ton Units 500 475 Remove refrigerant when above curve 450 425 400 375 350 325 300 Add refrigerant when below curve 275 250 70 75 80 85 90 95 100 105 110 115120 125 Liquid Temperature (° F) Figure 5. Charging Chart for 4 Ton Units 10 Liquid Pressure (psig) Liquid Pressure (psig)
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500 475 Remove refrigerant when above curve 450 425 400 375 350 325 300 275 Add refrigerant when below curve 250 70 75 80 85 90 95 100 105 110 115120 125 Liquid Temperature (° F) Figure 6. Charging Chart for 5 Ton Units 400 Remove refrigerant when above curve 375 350 325 300 275 250 225 Add refrigerant when below curve 200 50 55 60 65 70 75 80 85 90 Liquid Temperature (° F) Figure 7. Heating Charging Chart 11 Liquid Pressure (psig) Liquid Pressure (psig)
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WIRING DIAGRAMS Figure 8. Wiring Diagram for 2 Ton Standard Models 12 WIRING DIAGRAM Two Stage Split System Heat Pump (Outdoor Section) With Demand Defrost and PSC Fan Motor 208/230V Singe Phase / 60 Hz. NOTES: 1. Disconnect all power before servicing. 5. For ampacities and overcurrent protection, see unit rating plate. 1. Couper le courant avant de faire letretien. 2. For supply connection
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CCH Figure 9. Wiring Diagram for 3 Ton Standard Models 13 WIRING DIAGRAM Two Stage Split System Heat Pump With Demand Defrost and Two Speed Fan Motor 208/230V Single Phase / 60 Hz. NOTES: 1. Disconnect all power before servicing. 1. Couper le courant avant 2. For supply connections use copper conductors only. de faire letretien. 3. Not suitable on systems that exceed 150 volts to ground. 2. Employez uniquement des °C conducteurs en cuivre. 4. For replacement wires use conductors suitable
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Figure 10. Wiring Diagram for 4 & 5 Ton Standard Models 14 WIRING DIAGRAM Two Stage Split System Heat Pump (Outdoor Section) With Demand Defrost and ECM Fan Motor 208/230V Single Phase / 60 Hz. NOTES: 1. Disconnect all power before servicing. 1. Couper le courant avant YELLOW 2. For supply connections use copper conductors only. de faire letretien. C H 3. Not suitable on systems that exceed 150 volts to ground. 2. Employez uniquement des YELLOW RED conducteurs en cuivre. 4. For replacem
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15
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INSTALLATION / PERFORMANCE CHECK LIST INSTALLATION ADDRESS: ELECTRICAL SYSTEM Electrical connections tight? YES NO CITY ________________________ STATE ________________ Line voltage polarity correct? YES NO UNIT MODEL # ________________________________________ Rated Voltage: ___________________________________ VOLTS UNIT SERIAL # _______________________________________ L1-L2 Volts: _____________________________________ VOLTS Unit Installed Minimum clearances per YES NO Figure 1 (page 3)? L1-L3 V
