Winchester 4RAC36Q17-30 Instructions / Assembly
Contents
1. UUU IIIa 3 WARRANTY INFORMATION A warranty certificate 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 e Correcting wiring problems in the electrical circuit supplying the air conditioner e Resetting circuit breakers or other switches e Adjusting or calibrating of thermostat INSTALLER INFORMATION Important Safety Information Air Conditioner Installation General Information Before You Install this Unit Locating the Air conditioner Packaging Removal Ground Oven ns uuu u usun Connecting Refrigerant Tubing Between the Indoor amp Outdoor Unit uuu aasan Electrical Wiring Pre Electrical Checklist 6 Line Volgo es uu kk a n n ta kk kb a a ka a kale GOWN 1010 PE EAR aa2. 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 e 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 V Verify that the voltage frequency and phase of the supply source match the specifications on the unit rating plate See Table 4 page 11 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 N Verify factory wiring is in accordance with the unit wiring diagram Figures 5 7 pages 12 14 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 acce
3. For supply connections use copper conductors only 2 Employez uniquement des conducteurs capacitor Not suitable on systems that exceed 150 volts to ground en cuivre For replacement wires use conductors suitable for 105 deg C 3 Ne convient pas aux installations For ampacities and overcurrent protection see unit rating plate de plus de 150 volt a la terre to T2 on Connect to 24 vac 40ca class 2 circuit See furnace airhandler installation capacitor _ instructions for control circuit and optional relay transformer kits R Anti Short Cycle Timer ASCT may or may not be installed in the unit If desired ASCT is factory installed on select models only or may be field installed as shown using manufacturer s approved kit If not present connect Yellow and Black wires per Note 6 ORANGE S 8 DO NOT use a Hard Start Kit on a model with a PTCR installed OUTDOOR e I BLUE FAN MOTOR CCH OPTIONAL YELLOW to C on capacitor COMPRESSOR CONTACTS ma YELLOW YELLOW BLACK OUTDOOR FAN MOTOR YELLOW BLACK GROUNDING SCREW CRANKCASE u 24 VOLT FIELD CONNECTIONS WIRE NUT HEATER LEGEND SEE NOTE 6 OPTIONAL CC Contactor Coil FIELD WIRING CCH Crankcase Heater HPS High Pressure Switch et aie 7110620 Figure 6 NS6QD Wiring Diagram 3 Ton Units 13 Split System Air Conditioner Outdoor Section NOTES Disconnect all power before servicing For supply connections use c
4. Installation or servicing should only be performed by qualified trained personnel thoroughly familiar with this type equipment Fully annealed refrigerant grade copper tubing should be used when installing the 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 AIR CONDITIONER INSTALLATION General Information The NS6QD series air conditioner is designed only for outdoor rooftop or ground level installations This unit has been tested for capacity and efficiency in accordance with A H 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 performed on this unit The ability to properly perform maintenance on this equipment requires certain mechanical ski
5. A aaan A e Thermostat Connections Startup amp Adjustments Pre Start Checklist u u u uu u uassssasasqas Start up Procedures Air Circulation Indoor Blower System Cooling System Heating u u s u iaa Refrigerant Charging Charging R 410A Units in AC Mode with Outdoor Temperatures Above 55 F N Air Conditioner Maintenancoe 9 Component Functions 9 Replacement Parts 9 Figures amp Tables 10 Figure 4 Unit Dimensions 10 Table 4 Electrical Specs amp Physical Data 11 Figure 5 Wiring Diagram 2 2 5 Ton Units 12 Figure 6 Wiring Diagram 3 Ton Units 13 Figure 7 Wiring Diagram 3 5 5 Ton Units 14 Cooling Charging Charts 15 Figure 8 Charging Chart for 2 Ton Units 16 Figure 9 Charging Chart for 2 5 Ton Units 16 Figure 10 Charging Chart for 3 Ton Units 17 Figure 11 Charging Chart for 3 5 Ton Uni
6. Charging Chart Liquid Pressure psig Add refrigerant when below curve 100 105 110 115 120 125 130 Liquid Temperature F Figure 11 Charging Chart for 3 5 Ton Units 17 NS6QD 048K T XV Charging Chart _ zo on on Lay O a Remove refrigerant when above curve 7 a Na An 5 D La a 3 5 zi Add refrigerant when below curve 100 105 110 115 120 125 130 Liquid Temperature F Figure 12 Charging Chart for 4 Ton Units NOTE Do not add or remove refrigerant if pressure reading is between the curves NS6QD 060K TXV Charging Chart Remove refrigerant when above curve Liquid Pressure psig Liquid Temperature F Figure 13 Charging Chart for 5 Ton Units 18 19 INSTALLATION PERFORMANCE CHECK LIST INSTALLATION ADDRESS CITY UNIT MODEL UNIT SERIAL Unit Installed Minimum clearances per Figure 2 page 5 Zz B INSTALLER NAME CITY ELECTRICAL SYSTEM YE Line voltage polarity correct YES Electrical connections tight lt O z O Rated Voltage L1 L2 Volts L1 L3 Volts L2 L3 Volts Avg Volts Max deviation of voltage from avg volts Volt imbalance Blower Motor HP Sheave Setting Has the thermostat been calibrated Is the thermostat level YES Is the heat ant
7. familiar with safe and environmentally responsible refrigerant handling procedures Under no circumstances should the owner attempt to install and or service this equipment Failure to comply with this warning could result in property 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 e 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 Cl for special installation requirements 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 Thisequipmentcontains liquid and gaseous refrigerant under high pressure DO NOT USE ANY PORTION OF THE CHARGE FOR PURGING OR LEAK TESTING
8. made in accordance with the instructions supplied with the thermostat and the indoor equipment The outdoor unit is designed to operate from a 24 VAC Class Il 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 The low voltage wires must be properly connected to the units low voltage terminal block Recommended wire gauge and wire lengths for typical thermostat connections are listed in Table 3 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 Recommended T Stat Wire Thermostat Unit to T Stat Length in FT Wire Gauge 2 Wire Heating 5 Wire Heating Cooling 55 Table 3 Thermostat Wire Gauge START UP amp ADJUSTMENTS Pre Start Check List N 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
9. 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 COPPER WIRE SIZE AWG 1 Voltage Drop Supply Wire Length Feet Supply Circuit Ampacity a 0 Q 9 QO O O Va R T a 6 8 190 14 1 5 4 6 8 j izp 2 ka se p 30 a n 4 4 6 qo 3 3 4 6 8 3 3 4 6 8 4 Pp 2 3 4 6 44 2 3 4 6 50 po 2 3 ft 4 6 so l 2 3 4 o W 1 4 Wire Size based on N E C for 60 type copper conductors Table 2 Copper Wire Size 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 Grounding A 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 Thermostatconnections should be
10. Blower Assembly Fan Grille Cabinet Panels Filter Driers Expansion Valves FIGURES amp TABLES AAAAAAN9AA ARAA VANAS ME a AAAAN RES DG a WA NAS SARA AA AA CAAA AAA AAAS Height H E S se a 2 Oo F k s Os gt 2 ro Eo ge Os F o lt a CE BE AA YA AE BL if Mel St V 4 4 W Model Number NS6QD Unit Dimensions 4 Figure 10 Model No NS6QD Volts Cycles Phase Electrical Total Amps 208 230 60 1 Data Delay Fuse Max Min Circuit Ampacity Area Rows FPI Tube Dia Type Fan Motor Component Data Amps Watts HP Dia Fan Blade Blades SCFM RLA Compressor Data LRA 15 24 ft Refrigerant Suction Line Length O D Liquid Line All Lengths 3 8 O D R 410A Refrigerant Charge in Ounces Outdoor unit Indoor Unit 15 Line Set 25 39 ft 40 75 ft Approximate Weight Ibs Table 4 Electrical Specifications amp Physical Data 11 12 WIRING DIAGRAM Split System Air Conditioner Outdoor Section Single Phase NOTES Disconnetall power before servicing For supply connections use copper conductors only Not suitable on systems that exceed 150 volts to ground 1 5 2 Employez uniquement des conducteurs 4 For replacement wires use conductors s
11. NS6QD SERIES WITH QUICK CONNECT COUPLINGS 13 SEER USER S MANUAL INSTALLATION INSTRUCTIONS OUTDOOR SPLIT SYSTEM AIR CONDITIONER FOR MANUFACTURED HOUSING 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 Operating Instructions Cooling Operation a Heating Operationen Operating the Air Conditioner for Automatic Cooling and Heatiga Operating the Indoor Blower Continuously Turning the Air Conditioner Off Air Conditioner Maintenance 3 Troubleshooting
12. See Figure 4 page 10 for unit dimensions e Overhead obstructions poorly ventilated areas and areas subject to accumulation of debris should be avoided Sufficient clearance for unobstructed airflow through the outdoor coil must be maintained in order to achieve rated performance For minimum clearances to obstructions see Figure 2 e 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 2 A suitable mounting pad Figure 3 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 Figure 3 Ground Level Installation Connecting Refrigerant Tubing Between the Indoor amp Outdoor Unit A CAUTION This system uses R 410A refrigerant with POE oil 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 bee
13. cuate the indoor section and all line connections using proper methods before finalizing the full system refrigerant charge For final charges based on matched systems and specified line lengths see physical and electrical specifications Table 4 page 11 e Refrigerant charging charts are applicable only to matched assemblies of NORDYNE equipment and listed airflows for the indoor coil Refer to Figures 8 13 pages 16 18 for correct system charging e NS6QD outdoor units with indoor coils not listed are 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 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 device present to actuate the valve Charging an R 410A system 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 appropriate charging chart Figures 8 13 e If the pressure measured in Step 1 is greater than the required liquid ref
14. 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 Do not attempt to add additional oil to 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 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 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 Thermostats Compressors Contactors Time Delay Relays Pressure Switches Transformers Relays MOTORS Blower Motor Fan Motor COMPONENTS
15. een indoor and outdoor sections remove protector caps and plugs Lubricate entire surface of the diaphragm O ring and threads of the male coupling using the lubricant supplied with the line set and a small brush Make sure the coupling halves are held in proper alignment with each other prior to starting the threads of female coupling nut onto the male half Thread coupling halves together by hand until a definite resistance is felt Using a marker mark a line from the coupling union nut to the bulkhead then tighten an addition wrench flat 60 See Table 1 for torque values Repeat for all couplings A filter dryer is provided with the unit and must be installed in the liquid line of the system Ifthe 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 e Optional equipment such as liquid line solenoid valves low ambient etc should be installed in strict accor dance with the manufacturer s installation instructions Female Female Coupling Coupling Nut Body Male Coupling Coupling Size Torque 10 12 Ft Lbs 14 16 Nm 35 45 Ft Lbs 47 61 Nm 10 12 Ft Lbs 14 16 Nm 3 8 10mm 3 4 19mm 7 8 22mm Table 1 Torque Values ELECTRICAL WIRING A WARNING
16. fy 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 itis warmer than ambient temperature Listen for any unusual noises If unusual sounds occur determine the source of the noise and correct as necessary Refrigerant Charging A WARNING NS6QD Split System Air Conditioners leave the factory with an R 410A refrigerant holding charge Follow these charging instructions for maximum unit performance andefficiency Some local codes require licensed installation service personnel to service this type of equipment Refrigerant charging must be done by qualified personnel familiar with safe and environmentally responsible refrigerant handling procedures Under no circumstances should the owner attempt to install and or service this equipment Failure to comply with this warning could result in property damage personal injury or death After refrigerant line connections are completed it is required that you leak check and eva
17. h grass or leaves INSTALLER INFORMATION IMPORTANT SAFETY INFORMATION INSTALLER Please read all instructions before servicing 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 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 NS6QD Split System Air conditioners leave the factory with an R 410A refrigerant holding charge Follow all charging instructions for maximum unit performance andefficiency Some local codes require licensed installation service personnel to service this type of equipment Refrigerant charging must be done by qualified personnel
18. icipator setting correct If Applicable We Encourage Professionalism ALIDI pwa man ned CERTIFIED www ahridirectory org je II Q Unitary Small AC W Sa AHRI Standard 210 240 a die Through Technician V Listed Certification applies only when the complete system is listed with AHRI Certification by NATE REFRIGERATION SYSTEM Was unit given 24 hr warm up period for crankcase heaters YES Stage 1 Liquid Pressure high side Stage 1 Suction Pressure low side Has the owner s information been reviewed with the customer Has the Literature Package been left with the unit NORDYNE COMPLETE COMFORT GENUINE VALUE CAWI7 x Specifications amp illustrations subject to change without notice or incurring obligations O Fallon MO Printed in U S A 07 10 7092170
19. l not operate regardless of the temperature selector setting System Mode Temperature Selector Fan Mode Figure 1 Digital Thermostat AIR CONDITIONER MAINTENANCE Proper maintenance is most important to achieve the best performance from the appliance and should be performed frequently at the beginning of each air conditioning season WARNING Your Air Conditioner contains liquid and gaseous refrigerant under 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 outdoor unit clean Hose off periodically and keep unit fins clear of leaves and grass clippings Keep the outdoor 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 outdoor unit Never operate the appliance without a filter installed in the return air duct Inspect filters frequently and replace when necessary with filter of same dimensional size TROUBLESHOOTING Check the thermostat setting Make sure the system mode and temperature settings are correct Check the electrical panel for tripped circuit breakers Check the filters for dust accumulation Check the outdoor unit and make sure it is clean and not covered wit
20. lls and tools Before You Install this Unit V The cooling load of the area to be conditioned must be calculated anda 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 adequate for unit operation The system must be 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 The 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 carrier y Please consultyour dealer for maintenance information and availability of maintenance contracts Please read all instructions before installing the unit S a n n n ak n kn En E ee a m mete SE n ae n ele m n 18 OBSTRUCT TOP OF UNIT 18 Figure 2 Clearance Requirements Locating the Air Conditioner Survey the job site to determine the best location for mounting the outdoor unit
21. n determined route refrigerant tubing between the equipmentin accordance with sound installation practices When connecting refrigerant linesets together it is recommended that dry nitrogen be flowing through the joints during brazing to prevent internal oxidation and scaling Refrigerant 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 contact of the refrigerant lines with metal surfaces e Refrigerant 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 thatthe field 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 refrigerant line lengths is 75 ft and the vertical elevation difference between the indoor and outdoor sections should not exceed 20 ft These units are equipped with single shot quick connect couplings Together with the indoor section and line set only four coupling connections are required to provide a 100 sealed system Route the suction line and liquid line betw
22. ng 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 When repairing system leakages always use a nitrogen inert gas to protect the 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 Charging charts are valid for a variety of indoor return air conditions and are most influenced by the outdoor ambient temperature outdoor fan operation and the unit operating voltage Before using these charts ensure the unit is in a stable operating mode As shown in the charging charts Figures 8 13 page 16 18 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 inspect a systems operation using quality instruments match the measured liquid temperature to the units chart The measured liquid pressure reading should be within 3 of the charts value for mos
23. opper conductors only Not suitable on systems that exceed 150 volts to ground For replacement wires use conductors suitable for 105 C R sue 7 a Orange For ampacities and overcurrent protection see unit rating plate Connect to 24 vac 40va class 2 circuit See furnace air handler installation instructions for control circuit and optional relay transformer kits Anti Short Cycle Timer ASCT may or may not be installed in the unit If desired ASCT is factory installed on select models only or may be field installed as shown using manufacturer s approved kit If not present connect Yellow and Black wires per Note 6 ss 208 230 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 Outdoor Fan Motor Compressor Contacts T2 CCH Optional or Yellow Start uCopaeitorn Dual Capacitor Grounding Screw Red or Red Black qq 24 Volt Field Connections CC Contactor Coil CCH Crankcase Heater Field Wiring Factory Wiring Crankcase Heater Optional l l l l l l Compressor 1 Phase Field Supply HPS High Pressure Switch Low Voltage High Voltage 7103880 Figure 7 NS6QD Wiring Diagram 3 5 5 Ton Units NS6QD CHARGING CHARTS COOLING ONLY Application Notes on the Use of Charging Charts This equipment s cooli
24. rigerant pressure determinedin Step 3 then there is too much charge in the system Remove refrigerant and repeat Steps 1 through 3 until the system is correctly charged e If the pressure measured in Step 1 is less than the required liquid refrigerant pressure determined in Step 3 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 supply 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
25. ssible 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 minimum size of electrical conductors and circuit protection must be in compliance with information listed onthe outdoor unit data label Any other wiring methods must be acceptable to authority having jurisdiction The outdoor unit requires both power and control circuit electrical connections Refer to the wiring diagram schematic for identification and location of outdoor unit field wiring interfaces Figures 5 7 pages 12 14 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 unit in 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 e Use only copper wire for the line voltage power supply to this unit as listed in Table 2 Use proper code agency listed conduit and a conduit connector for connecting the supply wires to the unit Use
26. t 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 at less then 95 of the nominal voltage or with a 2 phase imbalance may see a more significant deviation than the amount stated above DO NOT use the charts in systems that have a fan cycling under low ambient control Refer to the low ambient kit instructions for more information If applicable 15 NS6QD 024K TXV Charging Chart Remove refrigerant when above curve 2 m Na 5 a o Dan a 3 5 zi ALL AAT AAT 100 105 110 115 120 125 130 Liquid Temperature F Figure 8 Charging Chart for 2 Ton Units NOTE Do not add or remove refrigerant if pressure reading is between the curves NS6QD 030K TXV Charging Chart EENE E ET m a Liquid Pressure psig CNT oR Add ka ataia ee below amen 100 105 110 115 120 125 130 135 Liquid Temperature F Figure 9 Charging Chart for 2 5 Ton Units 16 NS6QD 036K T XV Charging Chart i m Na 5 D 9 i a kel 5 zi Add refrigerant when below curve 100 105 110 115 120 125 130 Liquid Temperature F Figure 10 Charging Chart for 3 Ton Units NOTE Do not add or remove refrigerant if pressure reading is between the curves NS6QD 042K TXV
27. ts 17 Figure 12 Charging Chart for 4 Ton Units 18 Figure 13 Charging Chart for 5 Ton Units 18 INSTALLATION PERFORMANCE CHECKLIST 20 USER INFORMATION IMPORTANT SAFETY INFORMATION 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 situation that if not avoided may resultin 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 Setthe 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 NOTE If the temperature level is re adjusted or the system mode is reset the fan and compressor in the outdoor unit may not start immediately A protective timer circuit holds the compressor and the outdoor fan off for approximately 5 minutes follo
28. uitable for 105 deg C 5 6 en cuivre 3 Ne convient pas aux installations For ampacities and overcurrent protection see unit rating plate de plus de 150 volta la terre 1 Couper le courant avant de faire letretien to H on capacitor RED Connect to 24 vac 40ca class 2 circuit See furnace airhandler installation toT2 on _ BLACK instructions for control circuit and optional relay transformer kits R capacitor 7 Anti Short Cycle Timer ASCT may or may not be installed in the unit If desired ASCT is factory installed on select models only or may be field installed as shown using BLACK manufacturer s approved kit If not present connect Yellow and Black wires per Note 6 DO NOT use a Hard Start Kit on a model with a PTCR installed S OUTDOOR L1 L2 CCH OPTIONAL ORANGE COMPRESSOR CONTACTS CAPACITOR YELLOW ASCT SEE NOTE 7 YELLOW BLACK 24VOLT FIELD Li L2 GND CONNECTIONS CRANKCASE WIRE NUT HEATER LEGEND SEE NOTE6 OPTIONAL HIGH VOLTAGE START RELAY YELLOW START an I l to C on GROUNDING SCREW CC Contactor Coil FIELD WIRING CCH Crankcase Heater HPS High Pressure Switch LOW VOLTAGE II 711 0050 Figure 5 NS6QD Wiring Diagram 2 2 5 Ton Units WIRING DIAGRAM Split System Air Conditioner Outdoor Section Single Phase NOTES Disconnect all power before servicing 1 Couper le courant avant de faire letretien to H on
29. wing a previous operation or the interruption of the main electrical power if applicable Heating Operation 1 Setthe 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 optional heating equipment furnace or electric heat will cycle on amp off to maintain the indoor temperature at the desired temperature level Operating the AC for Automatic Cooling amp Heating 1 Set the thermostat system mode to AUTO and the thermostat fan mode to AUTO See Figure 1 2 Setthe thermostat temperature selector to the desired temperature level The thermostat will maintain the desired temperature level by switching between either the outdoor cooling unit or the indoor heating unit furnace or electric heat automatically Operating the Indoor Blower Continuously The continuous indoor blower operation is typically used to circulate the indoor air to equalize a temperature 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 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 wil
30. 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 pa 22 2 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 Setthe thermostat 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 Veri
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