Installation Instructions - A
Contents
1. Liquid Temperature F Figure 7 Charging Chart for 2 5 Ton Units with Microchannel Coil 11 12 2 G O 0 E gt G G 0 ham a 2 gt E l Liquid Pressure psig JS5BD 036KB SERIES CHARGING CHART Remove refrigerant when above curve Add refrigerant when below curve 75 80 85 90 95 100 105 110 115 120 125 130 135 Liquid Temperature F Figure 8 Charging Chart for 3 Ton Units with Microchannel Coil JS5BD 042KA SERIES CHARGING CHART a Remove EE when above curve id sd se rve 100 105 110 115 120 125 130 135 Liquid Temperature F Figure 9 Charging Chart for 3 5 Ton Units Liquid Pressure psig emm U a 0 L gt n n LG ham D 2 gt E l JS5BD 048KA SERIES CHARGING CHART Remove refrigerant when above fo ee 4 Treat etigoran ven blow cune A gerant when below curve m ee ee eee aid a ae aand H TOS EE el ns H HT EE HT el 95 100 105 110 115 120 Liquid Temperature F Figure 10 Charging Chart for 4 Ton Units JS5BD 060KA SERIES CHARGING CHART 95 100 105 110 115 120 Liquid Temperature F Figure 11 Charging Chart for 5 Ton Units 13 FIGURES amp TABLES REFRIGERANT CHARGING TABLES HHS Shaded boxes indicate flooded conditions Rated design values The suction pressure will vary from design value if indoor air flow entering dry b2. EE Ge 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 sesse Re EE RE EE Air Conditioner Installation sees ee ee ee ee General Information esse ee Re RR nene Before You Install this UNI see ee ee ee Locating the Air conditioner ee ee ee Packaging Removal ees ees ees ee neee eenn Ground H E ele Es see ees RE vee eke leeg Connecting Refrigerant Tubing between the Indoor amp Outdoor Un sees RA Electrical Wiring sss sesse esse EE ER RE ER ER RR EE EER ER eenn 6 Pre Electrical Checklist ee Line Voltage ee ee Re Re ee ee Grounding ss EE RR EE be SE a eee Thermostat Connections s eee ee Positive Temp Coefficient Resistor PTCR Startup amp Adjustments sees ee Rae EE RE AA essere sees Pre Start Checker Start up Proced
3. 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 temperature Listen for any unusual noises If unusual sounds occur determine the source of the noise and correct as necessary Refrigerant Charging AN WARNING JS5BD Split system air conditioners leave the factory with a nitrogen holding charge DO NOT operate any unit while it contains a Nitrogen holding charge Doing so may damage the units compressor Follow these charging instructions for maximum unit performance and efficiency 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 environme
4. We Encourage Professionalism Ka pS g C US O 034 NCE LisTED tan o Through Technician Intertek Certification by NATE COMPLETE COMFORT GENUINE VALUE NORDYNE MMT Specifications amp illustrations subject to change without notice or incurring obligations O Fallon MO Printed in U S A 04 11 709244A Replaces 7092440
5. diagram Figure 12 page 18 Inspect for loose connections Line Voltage s 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 e 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 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 Figure 12 page 18 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 for the unitin accordance with
6. property damage personal injury or death A CAUTION This unit uses refrigerant R 22 DO NOT use any other refrigerant in this unit Use of another refrigerant will damage the unit AN 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 s 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 e 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 e Fully annealed refrigerant grade copper tubing should be used when installing the system Ref
7. the unit wiring diagram and the unit rating plate Connect the line voltage leads to the terminals on the contactor inside the control compartment Use only copper wire for the line voltage power supply to this unit as listed in Table 1 page 6 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 e Grounding AN 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 Recommended T Stat Wire Unit to T Stat Length in FT 2 Wire 5 Wire Heating Heating Cooling 25 45 70 Thermostat Wire Gauge ENE EEN f o 110 Tabl
8. JS5BD SERIES 13 SEER USER S MANUAL INSTALLATION INSTRUCTIONS SPLIT SYSTEM AIR CONDITIONER R 22 lt VA YY WW i oo Mg AA Wj Mo MYL WE AA 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 the 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 sees Re EE RE ss Operating Instructions sss sse esse ee esse eee esse esse esse Cooling Operation sse eee AA Re ee Heating Operation sees eee eee eee Operating the Air Conditioner for Automatic Cooling and Heating sees eee eee eee eee eee Operating the Indoor Blower Continuously Turning the Air Conditioner O sees eee Air Conditioner Maintenance sees sees Rae Ee TroubleshootiNg esse se RR RE RE RR RE EER Ge RR RR
9. Press Temp Press Temp Press Temp Press Temp Press Temp Press Temp Press 153 156 147 172 148 188 148 176 151 190 193 Table 9 Charging Table for JS5BD 048KA Series 4 Ton Units 16 OUTDOOR TEMPERATURE F Temp Press Temp Press Temp Press Temp Press Temp Press Temp Press Temp Press 160 163 172 163 187 161 175 166 189 166 193 169 Table 10 Charging Table for JSSBD 060KA Series 5 Ton Units ELECTRICAL INFORMATION Model Number JSSBD 018KA 024KB 030KB 036KB 042KA 048KA O60KA area ea es 09 90 m7 v7 254 _ eo won ve we me sero geoal groer Type ee cr MEE r gt a ESTA 75 ft S 4 aa 4 7 8 3 7 8 3 1 1 8 S 1 8 4 1 1 8 4 R 22 Refrigerant charge in Ounces Outdoor unit Indoor Unit 15 Line Set 103 ee 105 105 176 1 repris pase va Ee a Table 11 Electrical Specifications amp Physical Data 17 18 WIRING DIAGRAM Split System Air Conditioner Outdoor Section NOTES Disconnect all power before servicing For supply connections use copper conductors only Not suitable on systems that exceed 150 volts to ground For replacement wires use conductors suitab
10. 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 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 Setthe thermostat s system mode to COOL or AUTO and change the fan mode to AUTO See Figure 1 2 Setthe 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 following 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 Fig
11. achieve the best performance from the appliance and should be performed frequently at the beginning of each air conditioning season AN 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 e 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 Inspectfilters 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 with 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 highli
12. but is not limited to replacing the evaporator and or condenser of a system The filter drier 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 accordance with the manufacturer s installation instructions ELECTRICAL WIRING AN 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 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 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 11 page 17 V Verify thatthe 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
13. densate 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 Verify air filters are cleaned and properly installed Verify duct work is sealed to prevent air leakage V 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 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 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 7 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 wheelis spinning in direction indicated by arrow
14. e 2 Thermostat Wire Gauge Thermostat Connections e Thermostatconnectionsshouldbe 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 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 e 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 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 Positive Temperature Coefficient Resistor PTCR Select models only The PTCR is factory installed and located on the control panel of the outdoor unit This soft start device is for use with reciprocating compressors If a hard start kitis needed on this unit the soft start PTCR must be removed first START UP amp ADJUSTMENTS Pre Start Check List N Verify the indoor unit is level and allows proper con
15. e rated performance See Figure 2 for minimum clearances to obstructions 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 s 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 22 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 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 a
16. eve 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 e Inspect and clean or replace air filters at the beginning of each heating and cooling season or more frequently if required e 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 e Inspect the electrical connections for tightness at the beginning of each heating and cooling season Service as necessary AN CAUTION The unit should never be operated without a filter inthe return air system Replace disposable filters with the same type and size e 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 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 Trans
17. formers Relays MOTORS Blower Motor Fan Motor COMPONENTS Blower Assembly Fan Grille Cabinet Panels Filter Driers Expansion Valves 10 Liquid Pressure psig FIGURES amp TABLES DO NOT OBSTRUCT TOP OF UNIT Allow adequate clearance for airflow Model Number JS5BD Height H Width W Depth D 018KA 23 22 3 4 22 3 4 024KB 23 22 3 4 22 3 4 030KB 27 22 3 4 22 3 4 036KB 27 22 3 4 22 3 4 042KA 31 30 3 4 30 3 4 048KA 31 30 3 4 30 3 4 OGOKA 43 30 3 4 Figure 4 Unit Dimensions 30 3 4 TXV COOLING CHARGING CHARTS JS5BD 018KA SERIES CHARGING CHART Remove refrigerant when above curve waa me Ee et Add refrig 100 105 Liquid Temperature F 110 115 120 130 135 Figure 5 Charging Chart for 1 5 Ton Units _ D 7 a han 5 D 7 Q ham A 5 a Liquid Pressure psig JS5BD 024KB SERIES CHARGING CHART Remove refrigerant when above curve Add refrigerant when below curve 75 80 85 90 95 100 105 110 115 120 125 130 135 Liquid Temperature F Figure 6 Charging Chart for 2 Ton Units with Microchannel Coil JS5BD 030KB SERIES CHARGING CHART Remove refrigerant when above curve Add refrigerant when below curve 75 80 85 90 95 100 105 110 115 120 125 130 135
18. ghted 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 AN 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 AN WARNING JS5BD Split System Air conditioners leave the factory with a nitrogen holding charge Follow all charging instructions for maximum unit performance and efficiency 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
19. le for 105 deg C For ampacities and overcurrent protection see unit rating plate Connect to 24 vac 40ca class 2 circuit See furnace airhandler 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 DO NOT use a Hard Start Kit on a model with a PTCR installed L2 CCH OPTIONAL COMPRESSOR CONTACTS SEE NOTE 7 OUTDOOR FAN MOTOR 24 VOLT FIELD CONNECTIONS FIELD WIRING LOW VOLTAGE HIGH VOLTAGE CC Contactor Coil CCH Crankcase Heater HPS High Pressure Switch Single Phase Optional Hard Start Kit 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 to H on capacitor RED toT2 on contactor 2 BLACK 3 START 1 RELAY YELLOW OUTDOOR START CAPAC FAN MOTOR PTCR if equip l pas YELLOW ORANGE to C on capacitor YELLOW RED OR RED BLACK mae CONTACTOR ff BLACK OR BLK WHT YELLOW BLACK fS SEE NOTE 6 CRANKCASE HEATER OPTIONAL 710570B Replaces 710570A 0109 Figure 12 JS5BD Wiring Diagram 19
20. n AC mode at outdoor tem peratures 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 Refer to Tables 4 10 pages 14 17 for correct system charging e lf the pressure measured in Step 1 is greater than the required liquid refrigerant pressure determined in 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 Restrictor Bore Size inches Model Number 56 8 System charge R 22 0z 030KB 0 065 036KB 0 075 6 042KA 0 078 122 048KA 0 089 126 O60KA 0 099 160 Table 3 Refrigerant Metering Device for 13 SEER Split System Air Conditioner AIR CONDITIONER MAINTENANCE AN 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 achi
21. nd scaling e 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 e Tubing should be kept clean of foreign debris during installation e 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 e 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 COPPER WIRE SIZE AWG 1 Voltage Drop Supply Wire Length Feet En O oo O Supply Circuit Ampacity O ER P Ln N N fo fo N oa n lG EE ooie 200 150 f 100 e e 0 E e HE HG 4 e 4 4 e aaa a e T a ee w oa Wire Size based on N E C for 60 type copper conductors Table 1 Copper Wire Size e To maintain the unit s warranty it is required that a filter drier be installed when the system is open to the atmosphere This includes
22. ntally 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 To properly charge these units 1 Read all Installation Instructions first 2 Complete any brazing operations e g Split system line sets 3 Leak check and evacuate the whole system using proper methods 4 Purge the nitrogen holding charge Evacuate the unit to 350 500 microns Allow the unit to remain under vacuum for at least 30 min 7 Weigh In the proper amount of new or reclaimed R 22 refrigerant Refer to Table 3 or the units rating label to determine the correct amount of charge e Refrigerant charging charts are applicable only to matched assemblies of NORDYNE equipment and listed airflows for the indoor coil Refer to Figures 5 11 Pages 10 13 for correct system charging e JS5BD 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 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 device present to actuate the valve oo Charging an R 22 system i
23. rigerant 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 e 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 JS5BD 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 skills and tools Before You Install this Unit N The cooling load of the area to be conditioned must be calculated andasystem of the proper capacity selected It is recommended that the area to be conditioned be completely insula
24. s Temp Press IE 121 161 165 130 180 127 180 130 137 198 184 140 169 171 170 174 OUTDOOR TEMPERATURE F Dis Liq Temp Press Dis Liq Temp Press re se e Ties ies iar asf 148 226 230 Dis Liq Temp Press Dis Liq Temp Press Temp Press 16 aas es 160 245 168 262 175 172 264 179 254 266 183 2 187 285 71 274 192 291 277 294 297 Table 7 Charging Table for JS5BD 036KB Series 3 Ton Units with Microchannel Coil 15 REFRIGERANT CHARGING TABLES HHS Shaded boxes indicate flooded conditions L Rated design values The suction pressure will vary from design value if indoor air flow entering dry bulb or entering wet bulb temperatures are lower than design 1 All pressures are listed in psig and all temperatures in F 2 Discharge temperatures greater than charted values indicate an undercharged system OUTDOOR TEMPERATURE F Temp Press Temp Press Temp Press Temp Press Temp Press Temp Press Temp Press 153 160 214 163 156 193 156 202 156 197 159 205 209 Table 8 Charging Table for JSSBD 042KA Series 3 5 Ton Units OUTDOOR TEMPERATURE F Temp
25. ted 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 Please consult your dealer for maintenance information and availability of maintenance contracts Please read all instructions before installing the unit EO EE EE EE EAE DO NOT OBSTRUCT TOP OF UNIT 18 Figure 2 Clearance Requirements Locating the Air Conditioner e Survey the job site to determine the best location for mounting the outdoor unit See Figure 5 page 12 for unit dimensions e Overhead obstructions poorly ventilated areas and areas subject to accumulation of debris should be avoided e Sufficient clearance for unobstructed airflow through the outdoor coil must be maintained in orderto achiev
26. ulb or entering wet bulb temperatures are lower than design 1 All pressures are listed in psig and all temperatures in F 2 Discharge temperatures greater than charted values indicate an undercharged system OUTDOOR TEMPERATURE F Temp Press Temp Press Temp Press Temp Press Temp Press Temp Press Temp Press 139 142 178 143 194 142 182 146 195 148 211 199 151 Table 4 Charging Table for JSSBD 018KA Series 1 5 Ton Units OUTDOOR TEMPERATURE F Temp Press Temp Press Temp Press Temp Press Temp Press Temp Press Temp Press 124 126 172 132 190 135 176 135 191 141 194 145 Table 5 Charging Table for JS5BD 024KB Series 2 Ton Units with Microchannel Coil 14 REFRIGERANT CHARGING TABLES ET Shaded boxes indicate flooded conditions L Rated design values The suction pressure will vary from design value if indoor air flow entering dry bulb or entering wet bulb temperatures are lower than design 1 All pressures are listed in psig and all temperatures in F 2 Discharge temperatures greater than charted values indicate an undercharged system OUTDOOR TEMPERATURE F Temp Press Temp Press Temp Press Temp Press Temp Press Temp Pres
27. ure 1 2 Setthe 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 eee the AC for Automatic Cooling amp Heating Set the thermostat system mode to AUTO and the thermostat fan mode to AUTO See Figure 1 2 Set ihe thermostattemperature 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 will not operate regardless of the temperature selector setting System Mode Fan Mode Temperature Selector Figure 1 Digital Thermostat AIR CONDITIONER MAINTENANCE Proper maintenance is most important to
28. ures sse eee eee eee Air Circulation Indoor Blower sss System Cooling sees eee eee System Heating sees eee eee eee ee ed ee Refrigerant Charging sse Charging R 22 Units in AC Mode with Outdoor Temperatures Above 55 E eee Air Conditioner Maintenance sees esse Rae esse Replacement Parts ss essere RE ER ER RR EE EER RR EE EE Ee EE N 4 Figures amp Tables sss iese ee RE ER EE ER EE ER ER RE EE ER EER EE 10 Figure 4 Unit Dimensions sese esse ee ee 10 Refrigerant Charging Charts ees esse dee 10 Figure 5 JS5BD 018KA 1 5 Ton Units 10 Figure 6 JS5BD 024KB 2 Ton Units sesse 11 Figure 7 JS5BD 030KB 2 5 Ton Units 11 Figure 8 JS5BD 036KB 3 Ton Units ees 12 Figure 9 JS5BD 042KA 3 5 Ton Units 12 Figure 10 JS5BD 048KA 4 Ton Units 13 Figure 11 JS5BD OGOKA 5 Ton Units 13 Refrigerant Charging Tables sees ee 14 Table 4 JS5BD 018KA 1 5 Ton Units sse 14 Table 5 JS5BD 024KB 2 Ton Units sse 14 Table 6 JS5BD 030KB 2 5 Ton Units sse 15 Table 7 JS5BD 036KB 3 Ton Units esse 15 Table 8 JS5BD 042KA 3 5 Ton Units sse 16 Table 9 JS5BD 048KA 4 Ton Units sese 16 Table 10 JS5BD OGOKA 5 Ton Units sse 17 Electrical Informations esse sees ee ee ee ee Re ee 17 Table 11 Electrical Specs amp Physical Data 17 Figure 12 JT5BD Wiring Diagram sss esse eee 18 USER INFORMATION IMPORTANT
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