WARNING: WARNING: IMPORTANT
Contents
1. wire gauge and wire lengths for typical thermostat connections are listed in Table 2 e The thermostat should be mounted about 5 feet 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 or lighting fixtures and convective heat from warm air registers or electrical appliances Refer to the thermostat manufacturer s instruction sheet for detailed mounting and installation information START UP amp ADJUSTMENTS Pre Start Check List Verify the indoor unit is level and allows proper condensate drainage V Verify the outdoor coil and top of the unit are free from obstructions and debris and all equipment access control panels are in place Verify air filters are cleaned and properly installed Verify duct work is sealed to prevent air leakage Verify line voltage power leads are securely connected and the unit is properly grounded Verify low voltage wires are securely connected to the correct leads on the low voltage terminal strip Verify power supply branch circuit overcurrent protection is sized properly Verify the thermostat is wired correctly L L Ll L Start Up Procedures The thermostat s function mode should be set to OFF and the fan mode should be set to AUTO Close all electrical disconnects to energize the system Air Circulation Indoor Blower 1 Set the thermostat2. Label all wires prior to disconnection when servicing the unit Wiring errors can cause improper and dangerous operation e 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 V 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 voltage wiring V Verify factory wiringis in accordance with the unit wiring diagram Inspect for loose connections Line Voltage A wiring diagram is located on the inside cover of the electrical box of the outdoor unit The installer should become familiar with the wiring diagram before making any electrical connections to the outdoor 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 outdoor unit e 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 minimu
3. interior of the structure The roof must be structurally capable of handling the weight of the unit e Full perimeter support is required under the unit Support must be made of weather resistant materials and installed prior to unit installation e The support must be built to raise the unit 6 above the roof 6 from Building 24 for Service Access OBSTRUCT TOP OF UNIT 12 or 18 See Note NOTE Units require full perimeter clearances Installer must maintain 18 between two units or 12 between single unit and structure V 2 Mounting Pad Figure 1 Clearance Requirements Connecting Refrigerant Tubing Between the Indoor amp Outdoor Unit CAUTION When servicing cover or seal openings to minimize the exposure of the refrigerant system to air to prevent accumulation of moisture and other contaminants After outdoor and indoor unit placement has been determined route refrigerant tubing between the equipmentin accordance with sound installation practices e When connecting refrigerant linesets together it is recommended that dry nitrogen be flowing through the joints during brazing to prevent internal oxidation and scaling Hefrigerant tubing should be routed in a manner that minimizes the length of tubing and the number of bends in the tubing If precise forming of refrigerant lines is required a copper tubing bender is recommended Avoid sharp bends and
4. system mode on OFF and the fan mode to ON 2 Verify the blower runs continuously Check the air delivery at the supply registers and adjust register openings for balanced air distribution If insufficient air is detected examine ductwork for leaks or obstructions 3 Set the thermostat fan mode to AUTO and verify the blower stops running System Cooling 1 Set the thermostat s system mode to COOL and the fan mode to AUTO Gradually lower the thermostat temperature setpoint below room temperature and verify the outdoor unit and indoor blower energize 2 Verify blower wheel is spinning in direction indicated by arrow Feel the air being circulated by the indoor blower and verify that it is cooler than ambient temperature Listen for any unusual noises If unusual sounds occur determine the source of the noise and correct as necessary 3 Verify HI and LO refrigerant pressures 4 Allow the system to operate for several minutes and then set the temperature selector above room temperature Verify the fan and compressor cycle off with the thermostat NOTE The blower should also stop unless fan mode is set to the ON position System Heating optional 1 Set the thermostat s system mode to HEAT and the temperature mode above room temperature 2 Verify the optional heating equipment furnace or electric heat and indoor blower energize Feel the air being circulated by the indoor blower and verify that it is warmer than ambient t
5. 24 vac 40ca class 2 circuit See furnace airhandler installation IGPTIORALS COMPRESSOR CONTACTS CloUTDOOR FAN MOTOR HPS T YELLOW BLACK 24 VOLT FIELD CONNECTIONS LEGEND FIELD WIRING LOW VOLTAGE HIGH VOLTAGE sm CC Contactor Coil CCH Crankcase Heater HPS High Pressure Switch SEE NOTE 6 Single Phase 1 Couper le courant avant de faire letretien 2 Employez uniquement des conducteurs en cuivre 3 Ne convient pas aux installations de plus de 150 volt a la terre pe BLACK 55 TDOOR FAN MOTOR LUE ORANGE CAPACITOR YELLOW RED OR HED BLACK CONTACTOR RED OR RED BLACK BLACK GROUNDING SCREW an i Es odi i ee ee Oo CRANKCASE HEATER OPTIONAL 710388B Replaces 7103884 Figure 3 Wiring Diagram for 1 5 4 Ton Units Single Phase Air Conditioner without CoreSense WISOWHAHE OL H2LIMS SHNSS3Hd HOIH SAH TOA HOLIMS MOT _3 0 110A VEECLLZ h H3lyvy3H JSVYOHAN VHI ONIHIM I I 059 HOLOVINOO 30 CIN3931 TVNOLLdO d H21IMS lt SNOLLS3NNOO kunssaud MOT 3Hf18S3Hd mald ADA Fe m i ud Aw Ig G MoMA SIONS 21 11 I 6 4 Fog amp E b O78 WNIWHA
6. L grr ds j 9 M o doodino GIOWINOO 3 e HOSSdHdWOO 131 E Oo C i y Bas HOLOW HOLOVINOO IT 1 034 wow G 3 P 1 MCTISA AOEC BOC HOSS3HBdlNco daH HJW E syy pue suomonugsug aes 2 sse 3 eAQp 2 pz 0 9 ayejd Burgi yun aas uonsejoad Joy G SOL 163 919 5 esn sam jueure2ejdaJ Jod t Ej E OGL ep snjd ap xne sed juarauo2 061 paaaxe jeu suisjs s uo ajqejins JON Ama ua sunajonpuoo sap jusaurenbiun zaAojdwy z juo s10723npuoo 1eddo esn suonoseuuo2 Ajddns 104 z uaaa Jadnoy e J2 UUIODSIG L S3LON 10101 J00pinQ W93 YUM ZH 09 eseug ajbuls A0 c 80c uonoes 100pino 1euonipuo urejs S Hids Figure 4 Wiring Diagram 5 Ton Units Single Phase Air Conditioner without CoreSense AIR CONDITIONER MAINTENANCE WARNING To prevent electrical shock personal injury or death disconnect all electrical power to the unit before performing any maintenance or service Theunitmay have morethan oneelectrical supply Prop
7. SPLIT SYSTEM AIR CONDITIONER 14 SEER SINGLE PHASE INSTALLATION INSTRUCTIONS INSTALLER Please read all instructions before servicing General Information this equipment Pay attention to all safety warnings and Before You Install this Unit any other special notes highlighted in the manual Safety Locating the Air Conditioner markings are used frequently throughout this manual to lamaoni designate a degree or level of seriousness and should ging not be ignored dis inei WARNING indicates a potentially hazardous situation that Connecting Refrigerant Tubing Between the if not avoided could result in personal injury or death indoor amp Outdoor Unit CAUTION indicates a potentially hazardous situation that ELECTRICAL WIRING if not avoided may result in minor or moderate injury or Pre Electrical Checklist property damage Line Voltage Grounding A WARNING Thermostat Connections HTC Shut off all electrical power to the unit before Pre Start Check List performing any maintenance or service on the Start Up Procedures system Failureto comply may result in personal Air Circulation Indoor Blower injury or death System Cooling S System Heating optional REFRIGERANT CHARGING Charging the Unit in AC Mode AN WARNING Application Notes for Using the Charging Chart 6 Unless noted otherwise in these instructions PURE UII OEEO e only factory authori
8. carrier V Please consult your dealer for maintenance information and availability of maintenance contracts Please read all instructions before installing the unit Locating the Air Conditioner e Survey the job site to determine the best location for mounting the outdoor unit e Sufficient clearance for unobstructed airflow through the outdoor coil must be maintained in order to achieve rated performance See Figure 1 page 3 for minimum clearances to obstructions Overhead obstructions Figure 1 poorly ventilated areas and areas subject to accumulation of debris should be avoided Consideration should be given to availability of electric power service access noise and shade Packaging Removal NOTE To prevent damage to the tubing connections carefully remove the carton and user s manual from the equipment Discard the shipping carton Ground Level Ground level installations must be located according to local building codes or ordinances and these requirements e Clearances must be in accordance with those shown in Figure 1 A suitable mounting pad Figure 1 must be provided and separate from the building foundation The pad must be level and strong enough to support the weight of the unit The slab height must be a minimum of 2 5 cm above grade and with adequate drainage Roof Mount e The method of mounting should be designed so that it does not overload roof structures or transmit noise to the
9. contact of the refrigerant lines with metal surfaces Hefrigerant tubing should be supported in a manner that the tubing will not vibrate or abrade during system operation Tubing should be kept clean of foreign debris during installation Every effort should be made by the installer to ensure thatthefield installed refrigerant containing components of the system have been installed in accordance with these instructions and sound installation practices to insure reliable system operation and longevity The maximum recommended interconnecting refrigerantline lengths is 75 ft and the vertical elevation difference between the indoor and outdoor sections should not exceed 20 ft A filter dryer is provided with the unit and must be installed in the liquid line of the system If the installation replaces a system with a filter dryer already present in the liquid line the filter dryer must be replaced with the one supplied with the unit The filter dryer must be installed in strict accordance with the manufacturer s installation instructions Optional equipment such as liquid line solenoid valves low ambient etc should be installed in strict accordance with the manufacturer s installation instructions ELECTRICAL WIRING 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
10. e DO NOT DESTROY PLEASE READ CAREFULLY amp KEEP IN A SAFE PLACE FOR FUTURE REFERENCE WARNING This split system air conditioners is shipped charged with R410A refrigerant and ready for installation If repairs make it necessary for evacuation and charging it should only be attempted by qualified trained personnel thoroughly familiar with this equipment Under no circumstances should the owner attempt to install and or service this equipment Failure to comply with this warning could resultin property damage personal injury or death CAUTION This unit uses refrigerant R 410A DO NOT use any other refrigerant in this unit Use of another refrigerant will damage the unit 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 he 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 Cl for special installation requirements All electrical wiring must be completed in accordance with local s
11. e present to actuate the valve Ahigh pressure switch 15 factory installed and located in the liquid line internal to the outdoor unit The switch is designed to protect the system when very high pressures occur during abnormal conditions Under normal conditions the switch is closed If the liquid pressure rises above 575 psig then the switch will open and de energize the outdoor unit The switch will close again once the liquid pressure decreases to 460 psig Please note that the switch interrupts the thermostat inputs to the unit Thus when the switch opens and then closes there may be a 5 minute short cycling delay before the outdoor unit will energize Charging the Unit in AC Mode At outdoor temperatures above 55 F for optimized sub cooling of 10 F 12 F 1 With the system operating at steady state measure the liquid refrigerant pressure in psig at the outdoor unit service valve 2 Measure the liquid refrigerant temperature in Fahrenheit at the service valve 3 Determine the required liquid refrigerant pressure from the charging chart Figure 2 page 7 If the pressure measured in Step 1 is greater than the required liquid refrigerant pressure determined in otep 3 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 S
12. e 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 e 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 Grounding WARNING The unit cabinet must have an uninterrupted or unbroken electrical ground to minimize personal injury if an 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 the CSA C22 1 Electrical Code Use the grounding lug provided in the control box for grounding the unit Thermostat Connections e Thermostat connections should be made in accordance with the instructions supplied with the thermostat and the indoor equipment e The outdoor unit is designed to operate from a 24 VAC Class 11 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 e The low voltage wires must be properly connected to the units low voltage terminal block Recommended THERMOSTAT MAXIMUM RECOMMENDED WIRE GAUGE THERMOSTAT WIRE LENGTH FT Table 2 Thermostat Wire Gauge
13. ect a systems operation using quality instruments match the measured liquid temperature to the units table The measured liquid pressure reading should be within 396 of the table value for most installations For systems that are operating with more than a 5 deviation inspect the unit for the proper voltage and phase balance and the refrigeration system for leaks Units that are operating less then 95 of the nominal voltage or with a 296 phase imbalance may see a more significant deviation than the amount stated above DO NOT usethe charts in systems thathave afan cycling under low ambient control Refer to the low ambient kit instructions for more information If applicable Charging Chart me o V Q Som o o Sem oS Add a eter erant if m g below the curve oo Do not add or remove refrigerant if pressure reading is between unit g curves and saturation curve 95 100 105 110 115 120 125 130 135 Liquid Temperature F Figure 2 Charging Chart for 2 5 Ton Units TXV Matches WIRING DIAGRAMS WIRING DIAGRAM Split System Air Conditioner Outdoor Section NOTES 1 Disconnect all power before servicing 2 For supply connections use copper conductors only 3 Not suitable on systems that exceed 150 volts to ground 4 For replacement wires use conductors suitable for 105 deg C 5 For ampacities and overcurrent protection see unit rating plate 6 Connect to
14. emperature Listen for any unusual noises If unusual sounds occur determine the source of the noise and correct as necessary REFRIGERANT CHARGING WARNING This split system air conditioners is shipped charged with R410A refrigerant and ready for installation If repairs make it necessary for evacuation and charging it should only be attempted by qualified trained personnel thoroughly familiar with this equipment Under no circumstances should the owner attempt to install and or service this equipment Failure to comply with this warning could resultin property damage personal injury or death After refrigerant line connections are completed it is required that you leak check and evacuate the indoor section and all line connections using proper methods before finalizing the full system refrigerant charge Refrigerant charging charts are applicable only to matched assemblies of this equipment and listed airflows for the indoor coil Refer to Figure 2 page 7 for correct system charging e Outdoor units with non AHRI listed indoor coils not recommended Deviations from rated airflows or non listed combinations may require modification to the expansion device and refrigerant charging procedures for proper and efficient system operation e The refrigerant charge can be checked and adjusted through the service ports provided external to the outdoor unit Use only gage line sets which have a Schrader depression devic
15. er maintenance is important to achieve optimum performancefrom 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 aboutthe availability of maintenance contracts Routine maintenance should include the following e Inspect and clean or replace air filters at the beginning of each heating and cooling season or more frequently if required e nspect the condensate drain and outdoor coil at the beginning of each cooling season Remove any debris Clean the outdoor coiland louvers as necessary using a mild detergent and water Rinse thoroughly with water e Inspect the electrical connections for tightness at the beginning of each heating and cooling season Service as necessary CAUTION The unit should never be operated without a filter in the return air system Replace disposable filters with the same type and size Donotattemptto add additional oilto motors unequipped with oil tubes The compressor is hermetically sealed at the factory and does not require lubrication 10 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 Contacto
16. m size of electrical conductors and circuit protection mustbe in compliance with information listed onthe outdoorunit data label Any other wiring methods must be acceptable to authority having jurisdiction e heoutdoorunit requires both power and control circuit electrical connections Refer to the wiring diagram schematic for identification and location of outdoor unit field wiring interfaces See Figure 3 page 8 amp Figure 4 page 9 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 and according to applicable local codes See the unit rating plate for minimum circuit ampacity and maximum overcurrent protection limits Provide power supply forthe unitin accordance with the unit wiring diagram and the unit rating plate Connect COPPER WIRE SIZE AWG 1 Voltage Drop Supply Wire Length Feet Supply Circuit Ampacity Wire Size based on N E C for 60 type copper conductors Table 1 Copper Wire Size the line voltage leads to the terminals on the contactor inside the control compartment e Use only 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 ar
17. nd 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 performed 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 of the proper capacity selected It is recommended that the area to be conditioned be completely insulated and vapor sealed V Check the electrical supply and verify the power supply is adequateforunit operation The system mustbe wired and provided with circuit protection in accordance with local building codes If there is any question concerning the power supply contact the local power company V indoor section air handler furnace etc should be installed before routing the refrigerant tubing Refer to the indoor unit s installation instructions for installation details V 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
18. rs Time Delay Relays Pressure Switches Transformers Relays Motors Blower Motor Fan Motor Components Blower Assembly Fan Grille Cabinet Panels Filter Driers Expansion Valves 11 INSTALLATION PERFORMANCE CHECKLIST INSTALLATION ADDRESS ELECTRICAL SYSTEM Electrical connections tight Line voltage polarity correct Rated Voltage L1 L2 Volts INSTALLER NAME L1 L3 Volts CITY NEN L2 L3 Volts Unit Installed Minimum clearances YES shown on page 3 Has the owner s information been Gee Avg Volts reviewed with the customer Max deviation of voltage Has the Literature Package been left from avg volts YES NO with the unit 96 Volt imbalance REFRIGERATION SYSTEM Was unit given 24 hr warm up period Blower Motor HP _ Sheave Setting Turns YES NO for crankcase heaters Has the thermostat been calibrated Stage 1 Liquid Pressure high side Is the thermostat level Is the heat anticipator setting correct Stage 1 Suction Pressure low side If Applicable We Encourage PROPOSITION 65 WARNING Perm WARNING This productcontainschemicals known C US O LISTED to the state of California to cause cancer gor o oil Through Technician WARNING Thisproductcontainschemicalsknown Intertek Certification by NATE to the state of California to cause birth defects or other reproductive harm Att CERTIFIED www ahridirectory org Uni
19. tary Small AC AHRI Standard 210 240 Certification applies only when the complete system is listed with AHRI AITONS 11 Nicholas Beaver Rd RR 3 Guelph Ontario N1H 6H9 Fake 888 744 2911 info aitons com www aitons com Specifications amp illustrations subject to change without notice or incurring obligations 09 13 709607A Replaces 7096070 Rev July 2014
20. tate 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 e Thisequipment contains liquid and gaseous refrigerant underhigh pressure DONOT 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 Fully annealed refrigerant grade copper tubing should beused wheninstallingthe system Refrigerant suction line tubing should be fully insulated e Installation of equipment may require brazing operations Installer must comply with safety codes and wear appropriate safety equipment safety glasses work gloves fire extinguisher etc when performing brazing operations 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 Refrigerant and electrical should be routed through suitably waterproofed openings to prevent water from leaking into the structure AIR CONDITIONER INSTALLATION General Information This air conditioner is designed only for outdoor rooftop or ground level installations This unit has been tested for capacity and efficiency in accordance with AHRI Standards and will provide many years of safe a
21. tep 3 there is too little charge in the system Add refrigerant and repeat Steps 1 through 3 until the system is correctly charged Application Notes for Using the Charging Chart This equipment s cooling system contains refrigerant under high pressure Always use safe and environmentally sound methods when handling refrigerant handling or servicing the unit Review the factory literature and safety warnings prior to servicing e When repairing system leaks always use a nitrogen inert gasto protectthe refrigerant system and pressure check the repair before re charging Always replace the filter dryers when performing any repair to the refrigeration system with one capable of acid removal After completing the repairs evacuate the system to 350 500 microns and weigh in the refrigerant to the amount specified on the unit rating label The refrigerant charging chart is valid for a variety of indoor return air conditions and are most influenced by the outdoor ambienttemperature outdoor fan operation and the unit operating voltage Before using this chart make sure the unit is in a stable operating mode As shown in Figure 4 the ideal system sub cooling can vary over the range of operation Reference the charts to determine the ideal amount of sub cooling for a given liquid pressure Units charged to other values will not perform at the rated unit efficiency EER or rated Coefficient of Performance COP in heating mode To insp
22. zed parts or accessory WIRING DIAGRAMS kits may be used with this product Improper Figure 3 Wiring Diagram for 1 5 4 Ton Units 8 installation service adjustment or maintenance Figure 4 Wiring Diagram for 5 Ton Units may cause explosion fire electrical shock or AIR CONDITIONER MAINTENANCE other hazardous conditions which may result REPLACEMENT PARTS personal injury or property damage INSTALLATION PERFORMANCE CHECKLIST 12 IMPORTANT ATTENTION INSTALLERS It is your responsibility 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 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 warnings could result in serious injury death or property damage 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 referenc
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