User`s Information and Installation Instructions
Contents
1. 230 3 60 460 3 60 Data Qty Type 1 Scroll 1 Scroll 1 Scroll 1 Scroll Stages Percent Crankcase Heater Qty Type 1 Band 1 1 1 Refrigerant Suction Line Length O D 0 15 ft 1 1 8 1 1 8 1 1 8 1 1 8 Lig Line All Lengths 5 8 O D 16 25 ft 1 1 8 1 1 8 1 1 8 1 1 8 Circuits Qty 1 26 75 ft 1 1 8 11 8 1 3 8 3 1 3 8 3 Refrigerant Charge Holding 56 56 76 76 R 22 Ounces Total System with 15 Line Set 2 288 288 304 304 Weight Net 325 325 341 341 Approximate 165 Ship 362 362 378 378 1 HACR Type Circuit Breakers may be used 2 Add 9 0 oz of refrigerant per 5 foot of additional line set 3 Requires 1 3 8 to 1 1 8 reducer from unit toline ACCESSORIES Condensing Unit Low Ambient Kit 913549A Maintains system pressures during low ambient conditions Liquid Line Solenoid Kit 917452 Twinning Kit B3 917453 Used to twin two B3 air handlers for common power and control wiring COPPER WIRE SIZE AWG Supply Wire Length Feet 150 100 50 Supply Circuit Ampacit 15 m o 69 is 20 5 5 40 45 A N m Wire Size based on N E C for 60 type copper conductors 11 INSTALLER PLEASE LEAVE THESE INSTALLATION INSTRUCTIONS WITH THE HOMEOWNER 707809A 707809A Replaces 7078090 Specifications and illustrations subject to change without notice and without incu2. any electri cal connections to the outdoor unit Outdoor Unit Connections The outdoor unit requires both power and control circuit electrical connections Refer to the unit wiring diagram schematic for identification and loca tion of outdoor unit field wiring interfaces Supply Control Circuit Wiring The outdoor unit is equipped with a 24 VAC Class Il trans former for low voltage circuit control Control circuit wiring must comply with the current provi sions ofthe National Electrical Code ANSI C1 and with applicable local codes having jurisdic tion When using two air handlers a twinning kit 917453 is required for proper low voltage con trol wiring Units are shipped factory wired for 240 or 460 volt operation see unit data label for proper incoming field wiring For 208 volt operation remove the lead from the transformer terminal marked 240V on 208 230 models only and connect it to the terminal marked 208V For maximum circuit ampacity and maximum overcurrent protection see the unit rating plate Thermostat Connections Thermostat con nections should be made in accordance with the instructions supplied with the thermostat and with the instructions supplied with the indoor equipment N WARNING Toavoidtherisk ofelectrical shock personal injury or death discon nect all electrical power to the unit before performing any mainte nance or service N WARNING The unit cabinet must
3. have an unin terrupted or unbroken electrical ground to minimize personal injury if an electrical fault should occur This ground may consist of electri cal wire or approved conduit when installed in accordance with exist ing national or local codes Electrical Power Wiring General Electrical power wiring must be made in accordance with all applicable local codes and ordinances and with the current revision of the National Electric Code NFPA 70 or in Canada CSA C 22 1 Canadian Electrical Code Part 1 If any of the original wire as supplied with the unit must be replaced it must be replaced with material of the same gauge and temperature rating Line Voltage Before proceeding with the electrical connections make certain that the voltage frequency and phase of the supply source are the same as those specified on the unit rating plate Also verify that the service provided by the utility is sufficient to handle the additional load imposed by this equipment This unit must be electrically grounded in accor dance 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 See the unit wiring label for proper high and low voltage wiring Make all electrical connections in accordance with all applicable codes and ordinances Use a separate branch electrical circuit for this unit A means of electrical disconnect must be located within sigh
4. local codes having jurisdiction The minimum size of electrical conductors and circuit protection must be in compliance with information listed on the out door unit data label 2 SAFETY CONSIDERATIONS Pressures within the System Split system air conditioning equipment contains liquid and gas eous refrigerant under pressure Installation and servicing of this equipment should be accom plished by qualified trained personnel thoroughly familiar with this type of equipment Under no circumstances should non qualified personnel at tempt to install and or service the equipment Labels Tags Precautions When working with this equipment follow all precautions in the literature on tags and on labels provided with the equipment Read and thoroughly under stand the instructions provided with the equip ment prior to performing the installation and operational checkout of the equipment Brazing Operations Installation of equip ment may require brazing operations Safety codes must be complied with Safety equipment e g safety glasses work gloves fire extin guisher etc must be used when performing brazing operations N CAUTION Ensure all electrical power to the unit is off prior to installing or servicing the equipment Failure to do so may cause personal in jury or death 3 SITE PREPARATION Unpacking Equipment Remove the card board carton and User s Manual from the equip ment Take car
5. sticks etc 2 Before Each Cooling Season If the furnace air handler blower motor and the outdoor unit fan motor s have oil tubes at the motor bearings apply 10 drops of SAE No 20 motor oil to each oil tube 3 Before Calling a Service Technician Be Certain a Theunitthermostat is properly set see To Operate Your Air Conditioner for Cooling and To Operate Your Furnace for Heating b The unit disconnect fuses are in good condition and the electrical power to the unit is turned on 1 GENERAL INFORMATION Read the following instructions completely be fore performing the installation Condensing Unit Section Each condensing unit is shipped with a refrigerant holding charge adequate to maintain a positive pressure to keep out contaminants NOTE DO NOT USE ANY PORTION OF THE CHARGE FOR PURGING OR LEAK TESTING Liquid and Suction Lines Refrigerant grade copper tubing should be used when installing the system Refrigerant suction line tubing should be fully insulated When condensing unit is matched with two air handlers two coils or a dual circuited evapo rator coil refrigerant tubing should be branched between both evaporator coils or circuits using equal lengths of tubing to maintain equal evapo rator circuit performance Field Connections for Electrical Power Sup ply All wiring must comply with current provi sions of the National Electrical Code ANSI C1 and with applicable
6. to become familiar with the capabilities and use of your appliance Keep this with literature on other appliances where you have easy access to it in the future If a problem occurs check the instructions and follow recommendations given If these sug gestions don t eliminate your problem call your servicing contractor OPERATING INSTRUCTIONS To Operate Your Air Conditioner for Cooling 1 Setthethermostatsystem switch to COOL or AUTO and the thermostat fan switch to AUTO See Figure 1 2 Set the thermostat temperature to the desired temperature level by pressing the WARMER or COOLER button Please refer to the separate detailed thermostat user s manual for complete instructions regarding thermostat programming The outdoor unit and indoor blower will both cycle on and off to maintain the indoor temperature at the desired cooling level To Operate Your Furnace for Heating 1 Setthethermostatsystem switch to HEAT or AUTO and the thermostat fan switch to AUTO See Figure 1 2 Set the thermostat temperature to the desired temperature level by pressing the WARMER or COOLER button Please refer to the separate detailed user s manual for complete thermostat pro gramming instructions The furnace and indoor blower will cycle on and off to maintain the indoor temperature at the desired heating level To Shut Off Your Air Conditioner Set the thermostat system switch to OFF and the thermostat fan switch to A
7. Ensure air filters are clean and in place prior to operating the equipment N WARNING Ensure electrical power to the unit is off prior to performing the fol lowing steps Failure to do so may cause personal injury or death Thermostat Set the room thermostat function switch to OFF fan switch to AUTO and move temperature setpoint to its highest setting Prior to applying electrical power to the outdoor unit ensure that the unit has been properly and securely grounded and that power supply con nections have been made at both the facility power interface and outdoor unit Outdoor Unit Ensure the outdoor coil and top of the unit are free from obstructions and debris and all equipment access control pan els are in place Using extreme caution apply power to the unit and inspect the wiring for evidence of open shorted and or improperly wired circuits Functional Checkout Indoor Blower Setthe thermostat fan switch to ON Verify that the indoor blower is operat ing and that airflow is not restricted Setthe fan switch back to AUTO N CAUTION If equipped with a compressor crankcase heater wait 24 hours prior to performing a function checkout to allow for heating of the compressor crankcase Fail ure to comply may result in dam age and could cause premature failure of the system Cooling Set the thermostat system switch to Cool and the thermostat fan switch to Auto Lower the t
8. Outdoor Air Conditioner User s Information and installation Instructions S3BM Series High Efficiency Commercial Split System These units have been designed and tested for capacity and efficiency in accordance with A R I Standards Split System Heat Pump units are designed for use with a wide variety of fossil fuel furnaces electric furnaces air handlers and evaporator coil combinations im TIN RIS _ 0 3m Fam a cree TITTY cm HOR BR PTT BUT HR NM NNNM FAQ HQ REA SUP TAN RANA RDUM BUR TR NONO M VIE RN VI DANN NAM NERO ARE RE RF HON SS QUOI LAA ANNA NN UA ADEM ANA PRRs These instructions are primarily intended to assist qualified individuals experi enced in the proper installation of heating and or air conditioning appliances Some local codes require licensed installation service personnel for this type of equipment Read all instructions carefully before starting the installation USER S INFORMATION IMPORTANT Read this owner information
9. TCH L Fol ORANGE OUTDOOR FAN bon i j MOTOR 4 Q 14 1 1 ANTI SHORT reo CYCLE TIMER LI LI ASCT 3 PHASE SUPPLY Field Wiring VOLTAGE R Y HIGH PRESSURE LOW PRESSURE HighVoltage m SWITCH SWITCH Low Voltage Factory Wiring 1 1 4 High Voltage 1 Low Voltage ju ISOLATED T STAT CONTACT Me 24V FOR INDOOR CONTROL CIRCUIT 7039770 PHYSICAL AND ELECTRICAL SPECIFICATIONS OUTDOOR UNITS 9 EER High Efficiency Three Phase Model No S3BM 090C 090W 120C 120W Electrical 460 3 60 460 3 60 Data Volts Phase Hz 208 230 3 60 380 420 3 50 208 230 3 60 380 420 3 50 Voltage Range Min Max 187 253 414 506 187 253 414 506 Total Amps 34 2 17 2 43 1 19 7 Min Circuit Ampacity 41 4 20 9 52 5 24 Delay Fuse Max 1 70 35 0 90 0 40 Wire Size Max Length AWG 60 C Cu 4 8 2 8 Wire Size Max Length AWG 75 C Cu 6 8 3 8 Component Coil Area Data Rows FPI 1 22 1 22 1 22 1 22 Tube Dia 3 8 O D 3 8 O D 3 8 O D 3 8 O D Fan 460 1 60 460 1 60 Motor Volts Phase Hz 208 230 1 60 380 420 1 50 208 230 1 60 380 420 1 50 Qt Horsepower 1 1 1 1 1 1 Full Load LRA 5 4 a e x a 26 28 4 26 28 4 26 28 4 Fan Dia Pitch Blades 26 28 4 Blade RPM CFM Max Total 1060 5500 1060 5500 1060 8000 1060 8000 Compressor Voltage Phase Hz 208 230 3 60 460 3 60 208
10. UTO See Figure 1 The system will not operate regardless of the thermostat temperature setting To Operate the Indoor Blower Continuously Set the thermostat fan switch to ON See Figure 1 The indoor blower will start imme 2 SYSTEM SWITCH FAN SWITCH TEMPERATURE SELECTOR TEMPERATURE SCALES Figure 1 Typical Thermostat diately and will run continually until the fan switch is reset to AUTO The continuous indoor blower operation can be obtained with the thermostat system switch set in any position including OFF The continuous indoor blower operationis typically used to circulate the indoor air to equalize a temperature unbalance due to a sun load cooking or fireplace operation To Maintain Your Air Conditioner N CAUTION Be certain the electrical power to the outdoor unit and the furnace air handler is disconnected before doingthe following recommended maintenance 1 Regularly a Clean or replace the indoor air filter at the start of each heating and cooling season and when an accumulation of dust and dirt is visible on the air filter b Remove any leaves and grass clippings from the coil in the outdoor unit being careful not to damage the aluminum fins N CAUTION Do not over oil or oil motors not factory equipped with oil tubes The compressoris hermetically sealed and does not require lubrication c Check for any obstructions such as twigs
11. e with sound installation practices Refrigerant tubing should be routed in a manner that mini mizes the length of tubing and the number of bends in the tubing Refrigerant tubing should be supported in a manner that the tubing will not vibrate or abrade during system operation Tub ing should be kept clean of foreign debris during installation Every effort should be made by the installer to ensure that the field installed refriger ant containing components of the system have been installed in accordance with these instruc tions and sound installation practices so as to insure reliable system operation and longevity The maximum recommended interconnecting refrigerant line length is 75 feet and the vertical elevation difference between the indoor and out door sections should not exceed 20 feet Optional Equipment Optional equipment e g liquid line solenoid valves twinning kit low ambient etc should be installed in strict accordance with the manufacturer s installa tion instructions 7 MAKING ELECTRICAL CONNECTIONS N WARNING Turn off all electrical power at the main circuitbox before wiring elec trical power to the outdoor unit Failure to comply may cause se vere personnel injury or death Wiring Diagram Schematic A wiring dia gram schematic is located on the inside cover of the electrical box of the outdoor unit The installer should become familiar with the wiring diagram schematic before making
12. e not to damage the tubing connections when removing the carton Inspect for Damage Inspectthe equipment for damage prior to installing the equipment at the job site Ensure coil fins are straight and if necessary comb fins to remove flattened and bent fins Preferred Location of the Outdoor Unit at Job Site Conduct a survey of the job site to deter mine the optimum location for mounting the out door unit Overhead obstructions poorly venti lated areas and areas subject to accumulation of debris should be avoided The outdoor unit should be installed no closer than 18 inches from the outside walls of the facility and in an area free from overhead obstructions to ensure unrestricted air flow through the outdoor unit Facility Prerequisites Electrical power must be supplied to the equipment Electrical power supplied must be adequate for proper operation 3 of the equipment The system must be wired and provided with circuit protection in accor dance with local building codes and the National Electrical Code Minimum Circuit Ampacity Electrical wir ing to the equipment must be compatible and in compliance with the minimum circuit ampacity listed on the outdoor unit data label Maximum Fuse Circuit Breaker Size Cir cuit protection for the outdoor unit must be compatible with the maximum fuse circuit breaker size listed on the outdoor unit data label 4 INSTALLING THE OUTDOOR UNIT Slab Mount Th
13. e site selected for a slab mount installation requires a stable foundation and one not subject to erosion The slab should be level and anchored if necessary prior to placing the equipment on the slab Cantilever Mount The cantilever mount should be designed with adequate safety factor to support the weight of the equipment and for loads subjected to the mount during operation Installed equipment should be adequately se cured to the cantilever mount and levelled prior to operation of the equipment Roof Mount The method of mounting should be designed so as not to overload roof struc tures nor transmit noise to the interior of the structure Refrigerant and electrical line should be routed through suitably waterproofed open ings to prevent water leaking into the structure N WARNING To avoid the risk of property dam age or personal injury it is the rigger s responsibility to ensure that whatever means are used to hoist the unit are safe and adequate 5 INSTALLING THE INDOOR UNIT The indoor section should be installed before proceeding with routing of refrigerant piping Consult the installation instructions of the in door unit i e air handler furnace etc for details regarding installation 4 6 CONNECTING REFRIGERANT TUBING BETWEEN THE INDOOR AND OUTDOOR UNIT General Once outdoor and indoor unit place ment has been determined route refrigerant tubing between the equipment in accordanc
14. entering wet bulb temperatures are lower than design Discharge temperatures greater than charted values indicate a refrigerant undercharge 10 Ton Commercial Air Conditioner 10 OUTDOOR TEMPERATURE deg F TON 70 75 80 85 90 95 100 105 58 178 162 60 62 64 syeys pueia joy 0 N N N N N Refrigerant Charging Charts Legend Note All pressures are listed in psig all temperatures in degrees Fahrenheit Shaded boxes indicate flooded conditions D Rated Design Values Suction pressure will be lower than design value if indoor air flow entering dry bulb or entering wet bulb temperatures are lower than design Discharge temperatures greater than charted values indicate a refrigerant undercharge OL Notes 1 Disconnect all power before servicing 1 Couper le courant avant de faire letretien 2 For supply connections use copper conductors only 2 Employez uniquement des conducteurs en cuivre 3 Furnace Air Handler w factory equipped 24 V control circuit transformers should be modified rewired to ONLY use 24V transformer from outdoor section See installation instructions for typical modifications 4 For replacement wires use conductors suitable for 105 C 5 For ampacities and overcurrent protection see unit rating plate L1 L2 L3 GB eo OUTDOOR FAN CONTACTOR LOW PRESSURE HIGH PRESSURE SWITCH SWI
15. fy that the heating equipment has been energized i e fossil fuel burner operating etc and that the indoor blower energizes after a short period of time Feel the air being circulated by the indoor blower and verify that it is warmer than ambient temperature Listen for any unusual noises If present locate and determine the source of the noise and correct as necessary NOTE Other sources for heating i e electric furnace fossil fuel furnace air handler with electric heat options etc that interface with the heat pump should be functionally checked to verify system operation and compatibility with the heat pump Refer to the installation instructions for this equipment and perform a functional checkout in accordance with the manufacturer s instructions Preliminary Orifice Usage 9 EER Commercial Air Conditioner Model Number 7 1 2 Ton 10 Ton Restrictor Size in 0 082 0 093 Adjustment of Refrigerant Charge N CAUTION Split system air conditioning equipment contains liquid and gaseous refrigerant under pres sure Adjustment of refrigerant charge should only be attempted by qualified trained personnel thoroughly familiar with the equip ment Under no circumstances shouldthe homeowner attempt to install and or service this equip ment Failure to comply with this warning could result in equipment damage personal injury or death NOTE The following Refrigerant Charging Charts are appl
16. hermostat temperature switch below room temperature and ensure unit refrigerant pressures are in order NOTE f refrigerant pressures are abnormal compressor may be rotating in the opposite direction Shut off main power to the unit and switch any two field wires at the disconnect DO NOT alter unit wiring Listen for any unusual noises Locate the source and correctas needed After allowing the unit to run for several min utes set the temperature selector above room temperature verify that the fan blower and compressor cycle off with the thermostat Short Cycle Protection With the system operating in COOLING mode note the setpoint temperature setting of the thermostat and gradually raise the setpoint temperature until the outdoor unit and indoor blower de ener gize Immediately lower the setpoint tempera ture of the thermostat to its original setting and verify that the indoor blower is energized and that the outdoor unit remains de energized Verify that after approximately 5 minutes the outdoor unit energizes and that the tempera ture of the air supplied to the facility is cooler than ambient temperature Heating If provided with heating equipment lower the thermostat setpoint temperature to the lowest obtainable setting and set the ther mostat function switch to HEATING The in door blower and outdoor unit should stop run ning Increase the setpoint temperature of the thermostat to the maximum setting Veri
17. icable to matched assemblies of our equipment and at listed airflows for the indoor coil Assemblies of indoor coils and outdoor units not listed are not recommended and deviations from rated airflows or non listed equipment combinations may require modifications to the expansion device s and refrigerant charging procedures for proper and efficient system operation Refrigerant Charging Chart Refer to Re frigerant Charging Charts for correct system charging and to Orifice Usage Chart for correct restrictor sizes Optional Equipment A functional check out should be performed in accordance with the checkout procedures supplied with the equipment o 7 1 2 Ton Commercial Air Conditioner 7 02 OUTDOOR TEMPERATURE 100 105 Liq P ress Dis Temp Liq P ress Dis Temp TON 85 90 7O 75 80 165 95 syeys jueJoDujeu 63 v4 65 167 106 ro EM xe ow is E NE so x x x NEN 71 172 136 185 n3 73 152 E 75 N 5 77 79 81 83 85 87 89 Refrigerant Charging Charts Legend Note All pressures are listed in psig all temperatures in degrees Fahrenheit Shaded boxes indicate flooded conditions Rated Design Values Suction pressure will be lower than design value if indoor air flow entering dry bulb or
18. rring obligations Printed in U S A 2 00
19. t of and readily accessible to the unit Overcurrent protection must be provided at the branch circuit distribution panel and sized as shown on the unit rating label and according to the National Electric Code and applicable local codes Provide power supply for the unit in accordance with the unit wiring diagram and the unit rating plate Connect the line voltage leads to the termi nals on the contactor inside the control compart ment Use only copper wire for the line voltage power supply to this unit Use proper code agency listed conduit and a conduit connector for con necting the supply wires to the unit Proper ground ing is accomplished by using the grounding lug provided in the control box Disconnect Switch An electrically compat ible disconnect switch must be within line of sight of the outdoor unit This switch shall be capable of electrically de energizing the outdoor unit Optional Equipment Optional equipment requiring connection to the power or control circuits must be wired in strict accordance with current provisions of the National Electrical Code ANSI C1 with applicable local codes having jurisdiction and the installation instruc tions provided with the equipment Optional Equipment e g liquid line solenoid valves 5 twinning kit low ambient etc should be in stalled in strict accordance with the manufacturer s installation instructions 8 STARTUP AND CHECKOUT Air Filters
Download Pdf Manuals
Related Search