warning - Nordyne
Contents
1. 12 Component Functions 12 High Pressure Switch 12 Low Pressure Switch 12 Replacement Parts 12 Figures amp Tables 13 Figure 10 Phys Data amp Unit Dimensions 13 Wiring Diagrams 14 Figure 11 PSRD w ECM Motor 14 Figure 12 P5RD w PSC Motor 15 Refrigerant Charging 16 Table 4 PSRD 024K 2 Ton Units 16 Table 5 PSRD 030K 2 5 Ton Units 16 Table 6 PSRD 036K 3 Ton Units 17 Table 7 PSRD 042K 3 5 Ton w X 13 Motor 17 Table 8 PBSRD 042KA 3 5 w PSC Motor 18 Table 9 PSRD 048K 4 Ton Units 18 Figure 13 PSRD 048KA 4 Ton w TXV Valve 19 Table 10 PSRD 060K 5 Ton Units 19 Installation Performance Checklist 20 USER INFORMATION IMPORTANT SAFETY INFORMATION Safety markings are used to designate a degree or level of seriousness and should not be ignored WARNING indicates a potentially hazardous situation that if not avoided couldresultin personalinjury ordeath CAUTION indicates a2. 12 Clearances to Combustible Materials Supply and return air ducts 0 Duct connection side 0 2 LL OW TO BE UNOBSTRUCTED Figure 2 Minimum Unit Clearances Air Duct System Airducts mustbe installed in accordance with the standards of the National Fire Protection Association Standard for Installation of Air Conditioning and Ventilation Systems 904 Standard for Installation of Residence Type Warm Air Heating and Air Conditioning Systems NFPA 90B these instructions and all applicable codes NFPA publications are available by writing to National Fire Protection Association Batterymarch Park Quincy ME 02269 or visit www NFPA org on the web e Design the duct work according to methods described bythe Air Conditioning Contractors of America ACCA The supply duct system including the number and type of registers will have much more effect on the performance of the system than any other factor The duct must be sufficiently large to conduct an adequate amount of air to each register See Figure 3 page 6 5 MULTIPLE DUCT APPLICATION SINGLE DUCT APPLICATION Figure 3 Single amp Multiple Duct Applications AIR CONDITIONER INSTALLATION Unpacking the Unit It is recommended that the unit be unpacked at the installation site to minimize damage due to handling Ductwork should be attached directly to the unit flanges for
3. P5RD units are fully charged with R 410A refrigerant and ready for installation When a system is installed according to these instructions no refrigerant chargingis required If repairs make it necessary for evacuation and charging it should only be attempted by qualified trained personnel thoroughly familiar with this equipment Some local codes require licensed installation service personnel to service this type of equipment Under no circumstances should the equipment owner attemptto install and or servicethis equipment Failure to comply with this warning could result inequipment damage personal injury or death A CAUTION This unit uses refrigerant R 410A DO NOT use any other refrigerant in this unit Use of another refrigerant will damage the unit A WARNING The information listed below must be followed during the installation service and operation of this unit Unqualified individuals should not attempt to interpret these instructions or install this equipment Failure to follow safety recommendations could result in possible damage to the equipment serious personal injury or death The installer must comply with all local codes and regulations which govern the installation of this type of equipment Local codes and regulations take precedence over any recommendations contained in these instructions Consult local building codes and the National Electrical Code ANSI CI for special installation requiremen
4. Charging Table for PSRD 030K Series 2 5 Ton Units 16 REFRIGERANT CHARGING TABLES SES Shaded boxes indicate flooded conditions Rated design values The suction pressure will vary from design value if outdoor air flow entering dry bulb or entering wet bulb temperatures vary 1 pressures are listed psig and all temperatures in F 2 Discharge temperatures greater than charted values indicate an undercharged system OUTDOOR TEMPERATURE F T Dis TM Dis kar Dis Liq Dis Liq Dis Liq Dis ERES Dis EAE Press Temp Press Temp Press kar Press Temp Press Temp Press Temp Press ERES Press 132 270 149 134 273 155 296 151 136 298 156 153 280 159 158 347 284 161 305 162 349 309 165 165 352 161 169 165 163 169 166 173 428 171 181 435 180 438 184 Table 6 Charging Table for PSRD 036K Series 3 Ton Units OUTDOOR TEMPERATURE F EN CHEN NN NEN INNEN Liq Dis Liq Liq Liq Liq Dis Liq Dis Liq ens Press Temp Press us Press Press Press Temp Press Temp Press Du 138 gence 274 148 148 317 147 298 153 319 152 152 157 389 156 305 159 325 160 345 345 161 161 329 164 369 165 391 166 413 166 170 415 170 4
5. ESTIS Figure 11 P5RD with ECM Motor 14 09c801Z owl SNIYIM 91915 HOLIOVdVO 91 YOSSaudWOO NS HOLIMS KINO STAGOW 193739 3unss3ud H LIMS MOT YOLOW doodino Segui e MOVIG MOTISA MOTISA KLE MOTI3A MOTA A MOTI3A LWLSOWHSHL 4 XOV IH MOTI3A J m N33H9 IVISOWH3HL IvISOWH3HL AOvc d3INHO3SNVH L 5 aSN4 sbunies 10 suol onilsui 295 S 0 901 40 lqelins s10jonpuoo esn s uIA jueuieoe dei 104 t e A 061 snid ep xne sed N puno4B 0 A 0SL yey suiejs s uo lqelins JON sanajonpuoo sep 1ueuienbiun z oldu 3 2 s101onpuoo 1eddoo esn suonoeuuoo Ajddns 104 2 jueAe jueJnoo L 5 e10Jeq Jamod j2euuoosiq L S310N 15 Figure 12 P5RD with PSC Motor REFRIGERANT CHARGING TABLES ES Shaded boxes indicate flooded conditions Rated design values The suction pressure will vary from design value if outdoor air flow entering dry bulb o
6. potentially hazardous situation that if not avoided may result in minor or moderate injury or property damage OPERATING INSTRUCTIONS NOTE Thermostat styles vary Some models may not include the AUTO mode and others will have the AUTO in place of the HEAT and COOL Others may include all three Please refer to the thermostat manufacturer s User manual for detailed programming instructions Cooling Operation 1 Set the thermostat s system mode to COOL or AUTO and change the fan mode to AUTO See Figure 1 2 Set the temperature selector to the desired temperature level The outdoor fan compressor and blower motor will all cycle on and off to maintain the indoor temperature at the desired cooling level Heating Operation if optional heater kit is installed 1 Set the thermostat s system mode to HEAT or AUTO and change the fan mode to AUTO See Figure 1 2 Set the temperature selector to the desired temperature level The outdoor fan blower motor and heater kit will cycle on and off to maintain the indoor temperature at the desired heating level Turning the Air Conditioner OFF Change the thermostat s system mode to OFF and the fan mode to AUTO See Figure 1 NOTE The system will not operate regardless of the temperature selector setting TEMPERATURE SELECTOR SYSTEM MODE Figure 1 Digital Thermostat Operating the Indoor Blower Continuously The continuous indoor blower operationis typically usedto circu
7. 37 Table 7 Charging Table for PSRD 042K Series 3 5 Ton Units with X 13 Motor 17 REFRIGERANT CHARGING TABLES ES Shaded boxes indicate flooded conditions Rated design values The suction pressure will vary from design value if outdoor air flow entering dry bulb or entering wet bulb temperatures vary 1 All pressures are listed psig and all temperatures in F 2 Discharge temperatures greater than charted values indicate an undercharged system OUTDOOR TEMPERATURE F NC RN 8 NN NNI Liq Liq Press 269 Liq Dis Liq Liq Liq Liq Dis Liq Dis ione Press Temp Press on Press im Press ns Press Temp Press Temp Press 141 Tmp 135 131 133 135 271 274 146 151 294 144 296 149 319 147 298 154 321 152 163 155 328 159 348 160 159 394 331 373 164 373 164 59 396 163 167 419 421 423 279 150 283 153 303 155 307 158 Table 8 Charging Table PSRD 042KA Series 3 5 Units with PSC Motor Temp OUTDOOR TEMPERATURE F s NNNM NM S Liq Dis Press Temp Liq Dis Press Temp ERES Press Liq Press Dis Liq Liq ERES Press et Temp Press Dis Temp 146 151 151 155 158 313 159 334 160 317 162 338 164 167 155 Tn 37
8. 9 160 359 164 381 164 384 164 168 406 168 172 429 431 433 Table 9 Charging Table for PSRD 048K Series 4 Ton Units 18 P5RD 048KA Charging Chart Cooling 600 580 560 540 520 500 480 460 440 420 400 380 360 340 320 300 280 260 240 220 200 Liquid Pressure psig 15 80 85 90 95 100 105 110 115 120 125 130 135 Liquid Temperature F Figure 13 Charging Chart for PBSRD 048KA Series 4 Ton Units with TXV Valve OUTDOOR TEMPERATURE F 70 75 9 w t Liq Dis Liq Dis Liq Dis Liq Dis Liq Dis Liq Dis Liq Dis Liq Dis Press Temp Press Temp Press Temp Press Temp Press Temp Press Temp Press Temp Press Temp 129 279 140 306 149 329 148 287 152 331 153 353 153 291 155 312 157 333 158 356 157 378 157 315 160 337 161 358 162 380 161 403 161 340 164 405 165 428 166 386 169 430 170 453 170 393 177 414 178 ERE F Table 10 Charging Table for P5RD 060K Series 5 Ton Units INSTALLATION PERFORMANCE CHECKLIST REFRIGERATION SYSTEM INSTALLATION ADDRESS Was unit given 24 hr warm up period w for crankcase heaters if applicable Stage 1 Liquid Pressure High Side Stage 1 Suction Pressure low side Has the owner s i
9. P5RD SERIES 13 SEER USER S MANUAL amp INSTALLATION INSTRUCTIONS Single Package Air Conditioner Single Stage R 410A IMPORTANT Please read this information thoroughly and become familiar with the capabilities and use of your appliance before attempting to operate or maintain this unit Keep this literature where you have easy access to it in the future If a problem occurs check the instructions and follow recommendations given If these suggestions don t eliminate your problem call your servicing contractor The Installation Instructions are primarily intended to assist qualified individuals experienced in the proper installation of this appliance Some local codes require licensed installation service personnel for this type of equipment Please read all instructions carefully before starting the installation DO NOT DESTROY PLEASE READ CAREFULLY AND KEEP IN A SAFE PLACE FOR FUTURE REFERENCE USER INFORMATION Important Safety Information 3 Operating Instructions 3 Cooling Operation 3 Heating Operation sss 3 Turning the Air Conditioner Off 3 Operating the Indoor Blower Continuously 3 Air Conditioner Maintenancoce 3 Troubleshooting 3 WARRANTY INFORMATION A warranty c
10. ROWN Heating 1st Stage ORANGE Heating 2nd Stage p R RED YELLOW GREEN BROWN Y Q4 GO w2Q ORANGE Two Stage Heating T Stat Figure 9 Low Voltage Connections Blower Speed For optimum system performance and comfort it may be necessary to change the factory speed setting A WARNING Toavoidelectric shock personal injury or death turn off the electric power at the disconnect or the main service panel before making any electrical connections Standard PSC Motor 1 Disconnect all electrical power to the unit and remove the service panel 2 Place the desired blower speed lead on the COM terminal of the fan control board Use another wire tie field supplied to bundle the remaining motor leads High Efficiency ECM Motor 1 Disconnect all electrical power to the unit and remove the service panel A CAUTION Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation Verify proper operation after servicing 2 Locate the orange and red wires terminated to the blower motor The orange wire controls cooling operation and the red wire controls the heating operation A CAUTION To avoid personal injury or property damage make sure the motor leads cannot come into contact with any metal components of the unit en Recommended T Stat Wire Length Unit to T Stat 2
11. Wire 5 Wire Heating Heating Cooling Thermostat Wire Gauge o L m j Table 2 Thermostat Wire Gauge 3 Verify the required speed from the airflow data found in Table 3 Place appropriate wire on the appropriate motor speed tap for the required airflow 4 Check all factory wiring as shown in the wiring diagram andinspectthe connections to make sure none of them loosened during shipping or installation START UP amp ADJUSTMENTS Pre Start Checklist The following check list should be observed prior to starting the unit N Verify the unit is level and allows proper condensate drainage Verify the outdoor coil and top of the unit are free from obstructions and debris and all equipment access control panels are in place Unit must be installed with the proper clearances as shown on page 5 N Verify thatthe ductworkis sealed to prevent air leakage N Verify that the line voltage power leads are securely connected and the unit is properly grounded Check the condenser fan to make sure it turns freely Verify the thermostat is wired correctly and installed in a proper location Make sure the low voltage wires are securely connected to the correct leads on the low voltage terminal strip Verify that the power supply branch circuit overcurrent protection is sized properly Start Up Procedure The control circuit consists of an anti short cycle timer that will not let the compressor re start before three minutes
12. above the floor on an inside wall DO NOT install the thermostat on an outside wall or any other location where its operation may be adversely affected by radiant heat from fireplaces sunlight lighting fixtures or convective heat from warm air registers or electrical appliances Refer to the thermostat manufacturer s instruction sheet for detailed mounting information Cooling Only Thermostat Connect the red amp yellow wires from the unit to the R amp Y terminals on the thermostat subbase Connect the green wire to the yellow wire at the unit See Figure 9 page 10 Heat Cool Thermostat For the highest efficiency the use of a 2 stage Heating Cooling thermostat is recommended The heat cool thermostat prevents simultaneous operation of the heating and cooling units and is equipped with an ON AUTO fan mode that allows the home owner to operate the indoor blower when only air circulation is desired Connect the red yellow green and brown orange low voltage wires to the R or RC Y G W or W2 if applicable terminals on the thermostat base The black wire is the 24 volt common required on some thermostats See Figure 9 2 WIRE COOLING THERMOSTAT 4WIRE HEAT COOL THERMOSTAT D RED YELLOW GREEN BROWN ORANGE ROA Y Q4 G Q1 wQ4 YELLOW GREEN BROWN Single Stage Electric Heat CONTROL WIRE LEGEND GREEN Blower Relay RED Transformer 24V YELLOW Cooling 1st Stage B
13. ace When locating the supply damper s carefully check floor joists and frame members that could interfere with the installation of the damper or flexible duct Ideally the damper Figure 6 page 8 should be located in the bottom of the main duct forward of center of the home at least three feet from the nearest register The round supply opening in the slanted side of the damper should face the side of the home where the air conditioner is located 1 Locate the center of the heat duct by cutting a small hole in the fiberboard below the duct at the desired location 2 Cut a hole approximately 3 4 larger than the damper opening in the fiberboard 3 Cut a 9 1 8 x 13 1 8 hole in the duct and bend over all tabs flat on the inside of the heat duct 4 Insert the damper into the duct and bend over all tabs flat on the inside of the heat duct 5 Seal the opening between the fiberboard and damper or flexible duct REGISTER E AUTOMATIC DAMPER IS CLOSED WHEN A C UNIT IS OFF Figure 6 Supply Damper Condensate Drainage A 3 4 condensate fitting extends out of the side of the unit Figure 7 The drain trap shipped in the electrical compartment must be installed to prevent water from collecting inside the unit 1 Thread the elbow provided with the unit into the drain connection until hand tight 2 Connectthe condensate tubing onto the fitting forming a trap near the drain connection 3 Route the condensate tube
14. and according to applicable local codes See the unit rating plate for minimum circuit ampacity and maximum overcurrent protection limits Useonly copper wire for the line voltage power supply to this unit as listed in Table 1 Use proper code agency listed conduit and a conduit connector for connecting the supply wires to the unit Use of rain tight conduit is recommended 208 230 Volt units are shipped from the factory wired for 230 volt operation For 208V operation remove the lead from the transformer terminal marked 240V and connect it to the terminal marked 208V Optional equipment requiring connection to the power or control circuits must be wired in strict accordance of the NEC ANSI NFPA 70 applicable local codes and the instructions provided with the equipment Overcurrent Protection Generally the best fuse or breaker for any air conditioner is the smallest size that will permit the equipment to run under normal usage and provide maximum equipment protection Properly sized fuses and breakers also prevent nuisance trips during unit startup If a fuse blows or a breaker trips always determine the reason Do not arbitrarily install a larger fuse or breaker and do not in any case exceed the maximum size listed on the data label of the unit COPPER WIRE SIZE AWG 1 Voltage Drop Supply Wire Length Feet Supply Circuit Ampacity 200 150 6 8 e __4 6 Wire Size based on N E C for 60 ty
15. ata amp Unit Dimensions WIRING DIAGRAMS 01 0 0908014 seoejdeu 060114 W49 SNOILONYLSNI NOILVTIVLSNI OL 4343H 9313 qaadS SNI 1V3H SI SHIM Q3H 99398 SNI1OOO SI SHIM 39NVHO 3HIM 39NVHO ONIYIM HOLOW HOOQNI 13S AYOLOVA S 9 2 16 MOTI3A N3389 MOov iI8 MOTI3A HOSSdHdWOD HOLIMS 3unsSdud YAWYOSSNVYL QvOT1 HOLOIN YOLOW e A OSL ep xne sed N JAIND ue sanojonpuoo sep lu uu nbiun ze ojdui3 2 1 jueJnoo L S1300NW 109138 HOLIMS 3unssaud H9IH 39VEIOA ONIHIM 91315 CT NOTI3A IVLSOIWH3H L LVLSOWYSHL N33H9 IWLSOWYSHL 10 uoneljejsur eas 9 501 10 lqelins 51010 sn 104 t A 0SL ey suu ls s uo lqelins JON s1019npuoo 1 ddo2o sn Ajddns 104 2 199uuoosid L SALON 5 WVdESVId
16. ation of minimizing the length of the supply and return ducts If practical place the air conditioner and its ducts in an area where they will be shaded from the afternoon sun when the heat load is greatest The length of the supply and return ducts should be kept to a minimum with no sharp radius bends Overhead obstructions poorly ventilated areas and areas subject to accumulation of debris should be avoided The hot condenser air must be discharged up and away from the home and if possible in a direction with the prevailing wind Do not place the unit in a confined space See Figure 10 page 13 for unit dimensions Sufficient clearance for unobstructed airflow through the outdoor coil must be maintained in order to achieve rated performance Consideration should also be given to availability of electric power service access noise and shade Minimum Clearance Requirements Sufficient clearance for unobstructed airflow through the outdoor coil must be maintained in order to provide room for proper servicing and achieve rated performance See Figure 2 for minimum clearances to obstructions Service Access Clearances Blower access panel side 24 Electrical compartment access panel side 12 Clearance between overhang amp top of unit 12 Clearance around condenser coil area to wall or shrubs excludes duct panel side
17. ertificate with full details is included with the Air Conditioner Carefully review these responsibilities with your dealer or service company The manufacturer will not be responsible for any costs found necessary to correct problems due to improper setup improper installation adjustments improper operating procedure on the part of the user etc Some specific examples of service calls which are not included in the limited warranty are Correcting wiring problems in the electrical circuit supplying the Air Conditioner Resetting circuit breakers or other switches Adjusting or calibrating of thermostat INSTALLER INFORMATION Important Safety Information 4 General Information 5 Before You Install this Unit 5 Locating the Air Conditioner 5 Minimum Clearance Requirements 5 Service Access Clearances 5 Clearances to Combustible Materials 5 Air Duct System 5 Air Conditioner Installation 6 Unpacking the 6 Installing Return amp Supply Collars 6 Supply erri edo 6 DUCE cei eren Aen ne 7 Locatin
18. f 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 the holes in the crimped area and install one screw NOTE It may be necessary to loosen the four screws thatholdthe transition duct in order to install the supply fitting Re tighten when installation is complete Figure 4 Return amp Supply Air Collars 4 Tap collar if necessary to ensure engagement with unit opening and install second screw 5 Tighten first screw and rotate collar clockwise so joint is near three o clock position Return Duct 1 Assemble the collar by overlapping the two ends NOTE One end of the collar is slotted and the opposite end has two small holes Position the end with small screw holes underneath the slotted end 2 Fasten the collar ends with two self drilling sheet metal screws 3 Position the collar over the unit opening Align the four holes in the collar with the four dimples or holes depending on unit model in the panel 4 Secure the collar to the rear panel using self drilling screws 10 16x 5 Locating amp Installing the Return Air Assembly To simplify installation locate and install the return air assembl
19. from the trap to a suitable drain NOTE For proper drainage make sure the trap is level to the ground and tubing outlet is below trap level Ih ZZZZZZ 27 2 ALL 2 4 772 11227 Line Voltage Low Voltage Figure 8 Power Entry ELECTRICAL CONNECTIONS A WARNING To avoid risk of electrical shock personal injury or death disconnect all electrical power to the unit before performing any maintenance or service The unit may have more than one electrical supply Label all wires prior to disconnection when servicing the unit Wiring errors can cause improper and dangerous operation All electrical connections must be in compliance with all applicable local codes and ordinances and with the current revision of the National Electric Code ANSI NFPA 70 For Canadian installations the electrical connections and grounding shall comply with the current Canadian Electrical Code CSA C22 1 and or local codes Pre Electrical Checklist Verify that the voltage frequency and phase of the supply source match the specifications on the unit rating plate Verify that the service provided by the utility is sufficient to handle the additional load imposed by this equipment Refer to the unit wiring label for proper high and low voltage wiring N Verify factory wiring is in accordance with the unit wiring diagram Figures 11 or 12 pages 14 15 Inspect for loose connections Line Voltage Aw
20. g amp Installing the Return Air Assembly 7 Connecting the Return amp Supply Air Flexible EE 7 Locating amp Installing the Supply Dampers 7 Condensate Drainage 8 Electrical Connections 8 Pre Electrical Checklist 8 Line Voltage 8 Overcurrent 9 9 Thermostat Low Voltage Connections 9 Cooling Thermostatl a a 9 Heat Cool 9 Blower Speed sse 10 Standard PSC 10 High Efficiency ECM 10 Dv Startup amp Adjustments 10 Pre Start Checklist 10 Start Up 10 System Cooling sse 10 Emergency Heat esses 11 Adjustment of Refrigerant Charge 11 Charging an R410A Unit in AC Mode with Outdoor Temperatures above 55 12 Air Conditioner
21. have elapsed 1 Setthe system modeto OFF andthetemperature mode to its highest setting 2 Turn power on at the disconnect switch 3 Set the system mode to ON or COOL 4 Set the temperature mode below room temperature Verify that the indoor blower outdoor fan and compressor energize and the cooling function starts 5 Verify the discharge air grilles are adjusted and the system air is balanced 6 Verify the duct work has no air leaks 7 Verify the condensate drain is installed correctly and functions properly P5RD SERIES SMALL PACK External Static Pressure Drop inches water column BLOWER 03 0 4 0 5 0 6 SETTING Low HEAT HEAT HEAT RISE RISE RISE High Low Hight 1248 1043 1477 Tap T1 25 1207 26 1160 27 1110 28 21 1434 22 1388 23 1342 24 1263 Tap T2 Tap T3 Tap T4 Tap T5 Tap T1 Tap T2 Tap T3 Tap T4 Tap T5 Low High Tap T1 Tap T2 Tap T3 Tap T4 Tap T5 NOTES Temperature rises shaded gray are for reference only These conditions are not recommended Denotes factory set cooling speed Denotes factory set electric heating speed t Denotes Factory cooling amp electric heating speed 8 Set the temperature mode above room temperature The unit should stop 9 Instructthe homeowner on unit and thermostat ope
22. horizontal applications Forhighly resistive duct systems it may be necessary to add an additional return air duct and or supply to achieve maximum performance and prevent coil icing and refrigerant flood back The heat pump system will not cool or heat the home if air is lost to the outside through leaks in the duct system Ducts that are collapsed or restricted by foreign objects will also prevent adequate air flow All duct work passing through unconditioned space A CAUTION Do not tip the unit on its side Oil may enter the compressor cylinders and cause starting trouble If unit has been set on its side restore to upright position and do not run for several must be properly insulated to minimize duct losses and prevent condensation Use insulation with an outer vapor barrier Refer to local codes for insulation material requirements hours Then run unit for a few seconds Do this three or four times with five minutes between runs 1 Remove the bands from around the unit 2 Unfold the top and bottom cap flanges 3 Carefully remove the top cap and tube Duct sition 8 Tran pimples Duct Screws Installing Return amp Supply Air Collars If the supply and return collars are supplied with the unit they will be located in the supply duct They can be easily positioned over the unit openings Figure 4 and secured with sheet metal screws The diameter of the return duct collar is 14 The diameter o
23. ins chemicals known to the state of California to cause cancer birth defects or other reproductive harm 96 Volt imbalance As e CERTIFIED www ahridirectory org LISTED Unitary Small AC AHRI Standard 210 240 n tertek Certification appies enly whea the complete system is listed with AHRJ COMPLETE COMFORT GENUINE VALUE NORDYNE Specifications amp illustrations subject to change without notice or incurring obligations O Fallon MO Printed in U S A 09 10 7092370 Replaces 7092000
24. iring diagram is located on the inside cover of the electrical box of the unit The installer should become familiar with the wiring diagram before making any electrical connections to the unit An electrical disconnect must be located within sight of and readily accessible to the unit This switch shall be capable of electrically de energizing the unit Line voltage to the unit should be supplied from a dedicated branch circuit containing the correct fuse or circuit breaker for the unit Incoming field wiring and minimum size of electrical conductors and circuit protection mustbe in compliance with information listed on the unit data label Any other wiring methods must be acceptable to authority having jurisdiction Provide power supply forthe unitin accordance with the unit wiring diagram and the unit rating plate Connect the line voltage leads to the terminals on the contactor inside the control compartment Extend leads through power wiring hole Figure 8 Connect L1 amp L2 directly to the contactor Theunitrequires both power and control circuit electrical connections Refer to the wiring diagram schematic Figures 11 amp 12 pages 14 amp 15 for identification and location of unitfield wiring interfaces Make all electrical connections in accordance with all applicable codes and ordinances Overcurrent protection must be provided at the branch circuit distribution panel and sized as shown on the unit rating label
25. late the indoor airto equalize atemperature unbalance due to a sun load cooking or fireplace operation Set the thermostat fan mode to ON Figure 1 The indoor blower starts immediately and will run continually until the fan mode is reset to AUTO The continuous indoor blower operation can be obtained with the thermostat system mode set in any position including OFF AIR CONDITIONER MAINTENANCE Proper maintenance is most importantto achieve the best performance from the appliance and should be performed frequently atthe beginning of each air conditioning season A WARNING Your Air Conditioner contains liquid and gaseous refrigerantunder pressure Installation and servicing should only be attempted by qualified trained personnel thoroughly familiar with the equipment and safe responsible refrigerant handling procedures Failure to comply with this warning could result in equipment damage personal injury or death Keep the unit clean Hose off periodically and keep unit fins clear of leaves and grass clippings Keep the unit clear of obstructions DO NOT obstruct airflow with tall plants or shrubs DO NOT store gasoline or other flammable materials on or near the unit Neveroperate the appliance without a filter installed in the return air duct Inspectfilters frequently and replace when necessary with filter of same dimensional size TROUBLESHOOTING If the unit fails to operate check the following Check the
26. nformation been Unit Installed Minimum clearances YES NO reviewed with the customer er Figure 2 page 5 Has the Literature Package been left YES NO with the unit INSTALLER NAME ELECTRICAL SYSTEM Electrical connections tight ATTIERTIONINSTALLERS Itis yourresponsibility to know this product better than your customer This includes being able to install the product according to strict safety guidelines and instructing the customer on how to operate and maintain the equipment for the life of the product Safety should always be the deciding factor when installing this product and using L1 L2 Volts common sense 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 Avg Volts warnings could result in serious injury death or property damage Max deviation of voltage from avg volts Rated Voltage These instructions are primarily intended to assist qualified individuals experienced in the proper installation of this appliance Some local codes require licensed installation service personnel for this type of equipment Please read all instructions carefully before starting the installation Return these instructions to the customer s package for future reference Blower Motor HP A WARNING PROPOSITION 65 WARNING This product Istheheatanticipator setting correct conta
27. pe copper conductors Table 1 Copper Wire Size Grounding A WARNING The unit cabinet must have an uninterrupted or unbroken electrical ground to minimize personal injury ifan electrical fault should occur Do not use gas piping as an electrical ground This unit must be electrically grounded in accordance with local codes or in the absence of local codes with the National Electrical Code ANSI NFPA 70 or CSA C22 1 Electrical Code Ground the air conditioning unit using the green grounding screw provided in the control panel Thermostat Low Voltage Connections The unit is designed to operate from a 24 VAC Class II control circuit The control circuit wiring must comply with the current provisions of the NEC ANSI NFPA 70 and with applicable local codes having jurisdiction Thermostat connections should be made in accordance with the instructions supplied with the thermostat and the indoor equipment Thelowvoltage wires mustbe properly connected Route 24V control wires through the sealing grommet Figure 8 page 8 near the power entrance Recommended wire gauge and wire lengths for typical thermostat connections are listed in Table 2 page 10 Single stage or two stage thermostats can be used with this equipment depending on optional accessories i e economizer installed with the unit Select a thermostatthat operates in conjunction with the installed accessories Thethermostat should be mounted about 5 feet
28. posed to refrigerant for at least 24 hours priorto running After unit startup compressor must run for a minimum of 12 hours The refrigerant charge can be checked and adjusted through the service ports provided external to the unit Use only gage line sets which have a Schrader depression device present to actuate the valve 11 Charging an R 410A Unit in AC Mode with Outdoor Temperatures Above 55 F 1 Withthe system operating at steady state measure liquid refrigerant pressure in psig at the service valve 2 Measure the liquid refrigerant temperature F at the service valve 3 Forthe temperature measured determine the required liquid refrigerant pressure from Tables 4 10 or Figure 13 See pages 16 19 If the pressure measured in step 1 is greater than the required liquid refrigerant pressure determined in step 4 then there is too much charge in the system Remove refrigerant and repeat steps 1 through 3 until the system is correctly charged If the pressure measured in step 1 is less than the required liquid refrigerant pressure determined in step 4 then there is too little charge in the system Add refrigerant and repeat steps 1 through 3 until the system is correctly charged AIR CONDITIONER MAINTENANCE A WARNING To prevent electrical shock personal injury or death disconnect all electrical power to the unit before performing any maintenance or service The unit may have more than one electrical s
29. r entering wet bulb temperatures vary 1 pressures are listed psig and all temperatures in F 2 Discharge temperatures greater than charted values indicate an undercharged system OUTDOOR TEMPERATURE F 85 w Liq Dis Liq Dis Liq Dis Liq Dis Liq Dis Liq Dis Liq Dis Liq Press Temp Press Temp Press Temp Press Temp Press Temp Press Temp Press Temp Press 243 132 309 138 311 142 331 140 147 333 144 353 339 342 346 245 137 265 247 143 267 141 269 144 274 278 a ere er 5 Flo ck Blo olo 253 256 N BR a Table 4 Charging Table for P5RD 024K Series 2 Ton Units Dis OUTDOOR TEMPERATURE F 70 iq Dis Liq Dis iq Dis Liq Dis Liq Dis Liq Dis Liq Dis Liq Press Temp Press Temp Press Temp Press Temp Press Temp Press Temp Press Temp Press 137 254 133 57 139 276 259 144 279 299 138 143 265 142 281 301 142 321 140 268 144 303 147 323 145 343 143 I 290 148 149 345 147 365 145 312 151 388 148 390 152 410 151 412 155 395 160 398 164 Table 5
30. r normal conditions the switch is closed If the liquid pressure rises above 575 psig the switch will open and de energize the unit The switch will close again when the liquid pressure decreases to 460 psig Low Pressure Switch LPS A low pressure switch is factory installed and located in the suction line internal to the unit The switch is designed to protect the compressor from a loss of charge Under normal conditions the switch is closed If the suction pressure falls below 5 psig the switch will open and de energize the unit The switch will close again when the suction pressure increases above 20 psig REPLACEMENT PARTS Replacement parts are available through all Nordyne distributors Please have the complete model and serial number of the unit when ordering replacement parts ELECTRICAL Capacitors Temperature Limit Switches Compressors Thermostats Contactors Time Delay Relays Pressure Switches Transformers Relays MOTORS Blower Motor Fan Motor COMPONENTS Blower Assembly Fan Grille Cabinet Panels Filter Driers Expansion Valves FIGURES amp TABLES Top View Electric Heater Power Supply d 14 diameter Power Supply uppiy Duc Return Duct Opening Opening dici Back Duct View Control Blower Access Panel Access Panel Side View 3 4 NPT Drain Connection n gt L GP5RD L in in Figure 10 P5RD Physical D
31. ration and filter servicing System Cooling Set the thermostat s system mode to COOL and the fan mode to AUTO Change the thermostat temperature selector below the existing room temperature Allow the cooling system to operate for several minutes and check for the discharge of cool air at the supply registers Emergency Heat Available only when Electric heat is supplied Set the thermostat s system mode to EM HT and the fan mode to either AUTO intermittent air or to ON continuous air Change the thermostat s temperature selector above the existing room temperature and check the following 1 The thermostat auxiliary heat light RED should be on 2 The compressor and fan should not run low voltage circuit remains energized 3 The blower will run according to the thermostat s fan mode setting Table 3 P5RD Series Blower Data Single Phase Models Adjustment of Refrigerant Charge A CAUTION This air conditioner contains liquid and gaseous refrigerant under pressure Adjustment of refrigerant charge should only be attempted by qualified trained personnel thoroughly familiar with theequipmentand safe responsible refrigerant handling procedures Under no circumstances should the homeowner attempt to install and or service this equipment Failure to comply with this warning could result in equipment damage personal injury or death Toachieve rated capacity and efficiency the compressor must be ex
32. rmed on this unit The ability to properly perform maintenance on this equipment requires certain mechanical skills and tools Before You Install this Unit The cooling load of the area to be conditioned must be calculated and a system ofthe proper capacity selected It is recommended that the area to be conditioned be completely insulated and vapor sealed Check the electrical supply and the power supply is adequate for unit operation If there is any question concerning the power supply contact the local power company N Allunits are securely packed atthe 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 remove flattened or bent fins Claims for damage apparent or concealed should be filed immediately with the carrier y Please consult your dealer for maintenance information and availability of maintenance contracts Please read all instructions before installing the unit Locating the Air Conditioner Survey the job site to determine the best location for mounting the outdoor unit Selecta solid level position preferably on a concrete slab slightly above the grade level and parallel to the home If possible select a site for the unit that is as close as possible to the proposed return grille location DO NOT PLACE UNIT UNDER THE HOME The unit should be located with consider
33. stall the filter and return air grille in the air box Connecting the Return amp Supply Air Flexible Ducts Flexible ducts can be connected to the corresponding fittings with the clamps provided with the ducts See Figure 10 page 13 NOTE To prevent a loss in cooling capacity make sure all connections are tight The flexible ducts may be cut to the required length see instructions packed with duct Keep all ducts as short and straight as possible Avoid sharp bends Ducts may be spliced with sheet metal sleeves and clamps After the inner duct is connected to the proper fitting the insulation and plastic sleeve should be pulled over the connection and clamped Homes with multiple supply ducts or special applications a Y fitting is available to divide the supply air so it can be ducted to different areas of the home for more efficient cooling NOTE For maximum performance insulate the Y fitting Locating amp Installing the Supply Damper s A CAUTION If installing this air conditioning system in conjunction with a furnace a damper must be installed in the furnace base assembly to prevent 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 damper may invalidate code agency listing and limited warranty on the furn
34. thermostat setting Make sure the system mode and temperature settings are correct Check the electrical panel for tripped circuit breakers e Check the filters for dust accumulation Checktheunitand make sure itis clean and not covered with grass or leaves If the items above don t resolve your problems then call your nearest service technician INSTALLER INFORMATION IMPORTANT SAFETY INFORMATION Pleasereadallinstructions before servicingthis 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 orlevel 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 situation that if not avoided may result in minor or moderate injury or property damage A WARNING Shut off all electrical power to the unit before performing any maintenance or service on the system Failure to comply may result in personal injury or death A WARNING Unless noted otherwise in these instructions only factory authorized parts or accessory kits may be used with this product Improper installation service adjustment or maintenance may cause explosion fire electrical shock or other hazardous conditions which may result in personal injury or property damage A WARNING
35. ts All electrical wiring must be completed in accordance with local state and national codes and regulations and with the National Electric Code ANSI NFPA 70 or in Canada the Canadian Electric Code Part 1 CSA C 22 1 This equipment contains liquid and gaseous refrigerant under high pressure DO NOT USE ANY PORTION OF THE CHARGE FOR PURGING OR LEAK TESTING Installation or servicing should only be performed by qualified trained personnel thoroughly familiar with this type equipment This unit is designed for outdoor installations only and should be located in a position as shown on page 5 Follow all precautions in the literature on tags and on labels provided with the equipment Read and thoroughly understand the instructions provided with the equipment prior to performing the installation and operational checkout of the equipment GENERAL INFORMATION The P5RD packaged air conditioner is designed only for outdoor ground level installations and can be readily connected to the high static duct system of ahome This unit has been tested for capacity and efficiency in accordance with A R I Standards and will provide many years of safe and dependable comfort providing it is properly installed and maintained Abuse improper use and or improper maintenance can shorten the life of the appliance and create unsafe hazards To achieve optimum performance and minimize equipment failure it is recommended that periodic maintenance be perfo
36. upply Proper maintenance is important to achieve optimum performance from the air conditioner The ability to properly perform maintenance on this equipment requires certain mechanical skills and tools If you do not possess these skills contact your dealer for maintenance Consult your local dealer about the availability of maintenance contracts Routine maintenance should include the following Inspect and clean or replace air filters at the beginning of each heating and cooling season or more frequently if required Inspect the condensate drain and outdoor coil at the beginning of each cooling season Remove any debris Clean the outdoor coil and louvers as necessary using amild detergent and water Rinse thoroughly with water Inspect the electrical connections for tightness at the beginning of each heating and cooling season Service as necessary A CAUTION The unit should never be operated without a filter inthe return air system Replace disposable filters with the same type and size Donotattemptto add additionaloilto motors unequipped with oil tubes The compressor is hermetically sealed at the factory and does not require lubrication COMPONENT FUNCTIONS High Pressure Switch HPS A high pressure switch is factory installed and located in the liquid line internal to the unit The switch is designed to protect the system when very high pressures occur during abnormal conditions Unde
37. y first If desired the return opening can be located inside a closet with louvered doors that has an open area equal to or greater than a 12 x 20 grille The return air grille can be placed in the wall of a closet and the air ducted into the filter box through a boxed in area at the closet floor level Figure 5 Verify the filter is readily accessible NOTE The return air box with grille and filter should not be located in heavy traffic areas like hallways or center of rooms A good spot is in a corner or under a table if a minimum two inch clearance is available 1 Start the installation from under the home by cutting a small hole in the subfloor Determine how the floor joist location will affect cutting the opening needed for the return air box NOTE Floor joists are generally located on 16 centers leaving 14 3 8 between joists 2 After measuring the return air box approximately 12 1 4 x 20 1 4 cut the hole through the floor so that the box will fit between the floor joists Care should be taken when cutting through carpeting to avoid snags NOTE In most installations it will be necessary to cut a similar hole in the fiberboard directly under the hole in Figure 5 Return Air Box the floor However if the floor is more than ten inches deep it will only be necessary to cut a hole for the collar on the return air box or for the insulated duct 3 Set the box into the opening and fasten with screws or nails 4 In
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