Nortek P7RF-K Series Installation Instructions Manual Download | Manualshive

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Summary of Contents for P7RF-K Series

Page 1: ...se plays an important role as well Pay attention to all safety warnings and any other special notes highlighted in the manual Improper installation of the furnace or failure to follow safety warnings could result in serious injury death or property damage Theseinstructionsareprimarilyintendedtoassistqualifiedindividualsexperiencedintheproper installation of this appliance Some local codes require ...

Page 2: ...this equipment Pay attention to all safety warnings and any other special notes highlighted in the manual Safety markings are used frequently throughout this manual to designate a degree or level of seriousness and should not be ignored WARNING indicates a potentially hazardous situation that if not avoided could result in personal injury or death CAUTION indicates a potentially hazardous situatio...

Page 3: ...d vapor sealed Check the electrical supply and verify the power supply is adequateforunitoperation Ifthereisanyquestionconcerning the power supply contact the local power company All units are securely packed at the time of shipment and upon arrival should be carefully inspected for damage prior to installing the equipment at the job site Verify coil fins are straight If necessary comb fins to rem...

Page 4: ...he return duct collar is 14 The diameter of the supply duct collar is 12 Before permanently installing the collars it is recommended you pre fit them over the openings first to determine best fit and alignment Supply Duct 1 Position the supply duct collar so the edge of the unit opening fits between the flange and the bead 2 Overlap the collar ends keeping the small screw holes underneath 3 Align ...

Page 5: ...ply Damper s CAUTION If installing this air conditioning system in conjunction with a furnace a damper must be installedinthefurnacebaseassemblytoprevent cold air from being discharged around the heat exchanger Damage to the heat exchanger and asphyxiation may occur if a damper is not installed Check with the furnace manufacturer for damper requirements Failure to install the required furnace damp...

Page 6: ...2 3 4 6 45 2 3 4 6 50 2 3 4 6 55 1 2 3 4 60 Wire Size based on N E C for 60 type copper conductors Table 1 Copper Wire Size Table 2 Thermostat Wire Gauge Thermostat Wire Gauge Recommended T Stat Wire Length Unit to T Stat 2 Wire Heating 5 Wire Heating Cooling 24 55 25 22 90 45 20 140 70 18 225 110 ELECTRICAL CONNECTIONS WARNING ELECTRICAL SHOCK FIRE OR EXPLOSION HAZARD Failure to follow safety war...

Page 7: ...el of efficiency in a compact frame For the highest efficiency the use of a 2 stage Heat Cool thermostat should be used with this unit The heat cool thermostat prevents simultaneous operation of the heating andcoolingunitsandisequippedwithanON AUTOfanmode that allows the home owner to operate the indoor blower when only air circulation is desired Heat Cool Thermostat A2stageCoolingthermostatisreco...

Page 8: ...rols the electric heating operation CAUTION To avoid personal injury or property damage make certain that the motor leads cannot come into contact with any metal components of the unit 3 Verify the required speed from the airflow data found in Table 3 page 7 Place appropriate wire on the appropriate motor speed tap for the required airflow 4 Checkallfactorywiringpertheunitwiringdiagramandinspect t...

Page 9: ...hebeginning of each heating and cooling season Service as necessary COMPONENT FUNCTIONS HighPressureSwitch HPS Ahigh pressureswitchisfactory installed and located in the liquid line internal to the unit The switchisdesignedtoprotectthesystemwhenveryhighpressures occur during abnormal conditions Under normal conditions the switch is closed If the liquid pressure rises above 650 psig the switch will...

Page 10: ...ressure psig Liquid Temperature F Remove refrigerant when above curve Add refrigerant when below curve Figure 9 Charging Chart for 3 ton Units 3 Ton Charging Chart 200 220 240 260 280 300 320 340 360 380 400 420 440 460 480 500 520 540 560 580 600 75 80 85 90 95 100 105 110 115 120 125 130 135 Liquid Pressure psig Liquid Temperature F Remove refrigerant when above curve Add refrigerant when below ...

Page 11: ...refrigerant when above curve Add refrigerant when below curve Figure 10 Charging Chart for 4 ton Units Figure 11 Charging Chart for 5 ton Units 5 Ton Charging Chart 200 220 240 260 280 300 320 340 360 380 400 420 440 460 480 500 520 540 560 580 600 75 80 85 90 95 100 105 110 115 120 125 130 135 Liquid Pressure psig Liquid Temperature F Remove refrigerant when above curve Add refrigerant when below...

Page 12: ...3 4 NPT Drain Connection 1 12 13 1 38 3 2 3 2 5 29 A 3 Opening for 12 Diameter Supply Duct 9 15 17 50 9 0 Opening for 14 Diameter Return Duct 10 15 5 5 B 1 3 15 Rear View Side View Figure 12 Unit Dimensions Table 4 Physical Data Model Number L Length W Width H Height A B X24K 49 35 30 2 35 02 2 48 X36K 49 35 30 2 35 02 2 48 X48K 49 35 38 2 35 02 2 48 X60KA 63 35 38 2 35 02 2 48 ...

Page 13: ...Electric Heat Y2 Y2 Optional Outdoor Thermostat Field Supplied R Y1 G BROWN S1 HEAT E 2 Stage Electric Heat Y2 6 Wire 2 Stage Heat Cool T Stat YELLOW S1 COOL GREEN FAN BLUE S2 COOL S1 S2 HEAT BLUE S2 COOL BLUE S2 COOL GREEN FAN GREEN FAN YELLOW S1 COOL YELLOW S1 COOL BROWN S1 HEAT ORANGE S2 HEAT RED 24VAC 5 Wire 2 Stage Cool w Optional OD T Stat Refer to specific electric heat kit for stage 2 heat...

Page 14: ... 3 Ne convient pas aux installations de plus de 150 V a la terre 10107010 FIELD WIRING LEGEND LOW VOLTAGE HIGH VOLTAGE WIRING DIAGRAM Packaged Air Conditioner Single Phase NOTES 1 Disconnect all power before servicing 2 For supply connections use copper conductors only 3 Not suitable on systems that exceed 150 V to ground 4 For replacement wires use conductors suitable for 105 C 6 See installation...

Page 15: ... Ne convient pas aux installations de plus de 150 V a la terre FIELD WIRING LEGEND LOW VOLTAGE HIGH VOLTAGE WIRING DIAGRAM Packaged Air Conditioner Single Phase NOTES 1 Disconnect all power before servicing 2 For supply connections use copper conductors only 3 Not suitable on systems that exceed 150 V to ground 4 For replacement wires use conductors suitable for 105 C 6 See installation instructio...

Page 16: ...e 3 Ne convient pas aux installations de plus de 150 V a la terre FIELD WIRING LEGEND LOW VOLTAGE HIGH VOLTAGE WIRING DIAGRAM Packaged Air Conditioner Single Phase NOTES 1 Disconnect all power before servicing 2 For supply connections use copper conductors only 3 Not suitable on systems that exceed 150 V to ground 4 For replacement wires use conductors suitable for 105 C 6 See installation instruc...

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Page 20: ...ARcriteria for energy efficiency However proper refrigerant charge and proper air flow are critical to achieve rated capacity and efficiency Installation of this productshouldfollowthemanufacturer srefrigerant chargingandairflowinstructions Failuretoconfirm proper charge and airflow may reduce energy efficiency and shorten equipment life 10401020 Replaces 10106240 Specifications illustrationssubje...

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