Bryant 597C Air Conditioner User Manual
Contents
1. A98515 Fig 1 Model 597C 6 Avoid direct tubing contact with water pipes duct work floor joists wall studs floors and walls 7 Do not suspend refrigerant tubing from joists and studs with a rigid wire or strap that comes in direct contact with tubing See Fig 2 8 Ensure that tubing insulation is pliable and completely surrounds vapor tube 9 When necessary use hanger straps which 1 in wide and conform to shape of tubing insulation See Fig 2 10 Isolate hanger straps from insulation by using metal sleeves bent to conform to shape of insulation When outdoor unit is connected to factory approved indoor unit outdoor unit contains system refrigerant charge for operation with indoor unit of the same size when connected by 15 ft of field supplied or factory accessory tubing For proper unit opera tion check refrigerant charge using charging information located on control box cover IMPORTANT Maximum liquid line size is 3 8 in O D for all residential applications including long line IMPORTANT Always install a liquid line filter drier on any system using2. VAC HOT INDOOR FAN HEAT STAGE 1 COOL STAGE 1 NOT USED SEE NOTE 2 NOT USED 24 VAC COM gt NOT USED NOT USED OPTIONAL OUTDOOR SENSOR CONNECTION A97362 OTHER FA FB FC NON PROGRAMMABLE FD FF AIR AC THERMOSTAT FAN COIL CONDITIONER 24 VAC HOT SEE NOTE 2 A97366 Fig 5 Typical 24v Circuit Connections 525 NON PROGRAMMABLE THERMOSTAT MODEL AC FK4C AIR FAN COIL CONDITIONER 24 VAC HOT 24 VAC COM HEAT STAGE 1 COOL STAGE 1 INDOOR FAN A97363 OTHER NON PROGRAMMABLE FK4C AIR FAN COIL CONDITIONER AC THERMOSTAT J1 JUMPER 24 VAC HOT HEAT STAGE 1 SEE COOL STAGE 1 NOTE 2 INDOOR FAN A97365 BRYANT PROGRAMMABLE THERMOSTAT MODEL AC FK4C AIR FAN COIL CONDITIONER 24 VAC HOT INDOOR FAN J1 JUMPER HEAT STAGE 1 J2 JUMPER COOL STAGE 1 NOT USED NOT USED SEE NOTE 2 24 VAC COM NOT USED NOT USED OPTIONAL OUTDOOR SENSOR CONNECTION A97364 LEGEND 24 V FACTORY WIRING 24 V FIELD WIRING FIELD SPLICE CONNECTION CONTACTOR A97368 NOTES 1 BRYANT THERMOSTAT WIRING DIAGRAMS ARE ONLY ACCURATE FOR MODEL NUMBERS BEGINNING WITH 5 _______ 2 WIRING MUST CONFORM NEC LOCAL CODES 3 SOME UNITS ARE EQUIPPED WITH PRESSURE SWITCH ES TEMPERATURE SWITCH 5 MINUTE COMPRESSOR CYCLE PROTECTION CONNECT 24V FIELD WIRING TO FACTORY PROVIDED STRIPPED LEADS 4 A LIQUID LINE SOLENOID VALVE IS REQUIRE
3. an existing field service lineset and or indoor evaporator coil or fan coil Also always use liquid line filter driers on burnout compressor replacements Refer to Product Data Sheets for appropriate part number Obtain filter driers from your local distributor or branch INSTALLATION I CHECK EQUIPMENT AND JOB SITE A Unpack Unit Move to final location Remove carton taking care not to damage unit NOTE Avoid contact between tubing and structure OUTDOOR WALL INDOOR WALL CAULK F LIQUID TUBE WA id VAPOR TUBE INSULATION THROUGH THE WALL HOIST INSULATION VAPOR TUBE HANGER STRAP AROUND VAPOR TUBE ONLY 0 8 3 1 MIN gt 1 LIQUID TUBE SUSPENSION A94028 Fig 2 Connecting Tubing Installation B Inspect Equipment File claim with shipping company prior to installation if shipment is damaged or incomplete Locate unit rating plate on unit corner panel It contains information needed to properly install unit Check rating plate to be sure unit matches job specifications ll INSTALL ON A SOLID LEVEL MOUNTING PAD If conditions or local codes require the unit be attached to pad tie down bolts should be used and fastened through knockouts provided in unit base pan Refer to unit mounting pattern in Fig 3 to determine base pan size and knockout hole location On rooftop applications mount on level platform or frame Place unit a
4. D ON SOME UNITS 5 THERMOSTATS ARE FACTORY CONFIGURED WITH 5 COMPRESSOR CYCLE PROTECTION AND 4 CY CLES PER HOUR LIMIT SEE THERMOSTAT INSTALLATION INSTRUCTIONS FOR DETAILS 6 TO STAGE ELECTRIC RESISTANCE HEAT CONSULT OUTDOOR THERMOSTAT INSTALLATION INSTRUCTIONS Fig 5 Typical 24v Circuit Connections Continued b OUTDOOR TEMP TABLE 3 SUPERHEAT CHARGING EVAPORATOR ENTERING AIR TEMPERATURE F WB F 55 60 65 70 75 80 hone a dash appears do not attempt to charge system under these conditions or refrigerant slugging may occur Charge must be weighed in NOTE 10 Superheat F is at low side service port Measure outdoor air dry bulb temperature with thermom eter Measure indoor air entering indoor coil wet bulb tempera ture with a sling psychrometer Refer to Table 3 Find outdoor temperature and evaporator entering air wet bulb temperature At this intersection note superheat Refer to Table 4 Find superheat temperature located in item 6 and suction pressure At this intersection note suction line temperature If unit has a higher suction line temperature than charted temperature add refrigerant until charted temperature is reached If unit has a lower suction line temperature than charted temperature reclaim refriger
5. R CHECK FLO RATER PISTON Check indoor coil piston to see if it matches the required piston shown on outdoor unit rating plate If it does not match replace indoor coil piston with piston shipped with outdoor unit The piston shipped with outdoor unit is correct for any approved indoor coil combination A CAUTION Remove indoor coil piston if unit is to be installed on system with a TXV metering device VI MAKE PIPING CONNECTIONS WARNING Relieve pressure and recover all refrigerant A before system repair or final unit disposal to avoid personal injury or death Use all service ports and open all flow control devices including solenoid valves CAUTION If ANY refrigerant tubing is buried pro vide a 6 in vertical rise at service valve Refrigerant tubing lengths up to 36 in may be buried without further consideration For lengths above 36 in consult your local distributor CAUTION To prevent damage to unit or service valves observe the following Use a brazing shield eWrap service valves with wet cloth or use a heat sink material Outdoor units may be connected to indoor unit using accessory tubing package or field supplied refrigerant grade tubing of cor rect size and condition For tubing requirements beyond 50 ft substantial capacity and performance losses can occur Following the recommendations in the Residential Split System Long Line Application Guideline will reduce these losses Refer to Tabl
6. ant until charted temperature is reached If outdoor air temperature or pressure at suction valve changes charge to new suction line temperature indicated on chart FINAL CHECKS IMPORTANT Before leaving job be sure to do the following 1 2 Securely fasten all panels and covers Tighten service valve stem caps to 1 12 turn past finger tight Leave User s Manual with owner Explain system operation and periodic maintenance requirements outlined in manual Fill out Dealer Installation Checklist and place in customer file CARE AND MAINTENANCE For continuing high performance and to minimize possible equip ment failure periodic maintenance must be performed on this equipment Frequency of maintenance may vary depending upon geographic areas such as coastal applications See the User s Information Manual for this equipment for fre quency and type of maintenance required TABLE 4 REQUIRED SUCTION LINE TEMPERATURE F SUCTION PRESSURE SERVICE PORT PSIG F SERVICE TRAINING Packaged Service Training programs are an excellent way to increase your knowledge of the equipment discussed in this manual including e Unit Familiarization e Maintenance e Installation Overview e Operating Sequence A large selection of product theory and skills programs is available using
7. bove a load bearing wall and isolate unit and tubing set from structure Arrange supporting members to adequately support unit and minimize transmission of vibration to building Consult local codes governing rooftop applications Roof mounted units exposed to winds above 5 mph may require wind baffles to achieve adequate defrost Consult Low Ambient Guideline for wind baffle construction NOTE Unit must be level to within 2 3 8 in ft per compressor manufacturer specifications CLEARANCE REQUIREMENTS When installing allow sufficient space for airflow clearance wiring refrigerant piping and service Allow 30 in clearance to service end of unit and 48 in above unit For proper airflow a 6 in clearance on 1 side of unit and 12 in on all remaining sides must be maintained Maintain a distance of 24 in between units Position so water snow or ice from roof or eaves cannot fall directly on unit On rooftop applications locate unit at least 6 in above roof surface IV OPERATING AMBIENTS The minimum outdoor operating ambient in cooling mode is 55 F and the maximum outdoor operating ambient in cooling mode is 125 F 8 316 IN DIA TIEDOWN KNOCKOUTS 2 PLACES IN BASEPAN A97375 DIMENSIONS MINIMUM MOUNTING PAD DIMENSIONS UNIT TIEDOWN KNOCKOUT LOCATIONS SIZE 018 20 x 27 024 060 26 x 32 Fig 3 Mounting Unit to Pad V CHECK INDOO
8. e 1 for field tubing equivalent line length Refer to Table 2 for accessory requirements TABLE 1 REFRIGERANT CONNECTIONS AND RECOMMENDED LIQUID AND VAPOR TUBE DIAMETERS IN LIQUID Connection Diameter UNIT SIZE Tube Diameter Connection Diameter VAPOR LONG LINE Tube Diameter Connection Diameter Tube Diameter 018 024 3 8 3 8 5 8 5 8 5 8 3 4 030 036 3 8 3 8 3 4 3 4 3 4 7 8 042 048 3 8 3 8 7 8 7 8 7 8 1 1 8 060 3 8 3 8 NOTES 7 8 1 1 8 7 8 1 1 8 1 Tube diameters for lengths up to 50 ft For tubing lengths greater than 50 ft consult Residential Long Line Application Guideline 2 Do not apply capillary tube indoor coils to these units For buried line applications greater than 36 in consult your local distributor If refrigerant tubes or indoor coil are exposed to atmosphere they must be evacuated to 500 microns to eliminate contamination and moisture in the system A Outdoor Unit Connected to Factory Approved In door Unit Outdoor unit contains correct system refrigerant charge for opera tion with indoor unit of same size when connected by 15 ft of field supplied or factory accessory tubing Check refrigerant charge for maximum efficiency B Refrigerant Tubing Connect tubing to fittings on outdoor unit vapor and liquid service valves See Table 1 Use refrigerant grade tubing C Sweat Connection CAUTION To avoid valve damag
9. e while brazing ser A vice valves must be wrapped in a heat sinking material such as a wet cloth Service valves are closed from factory and ready for brazing After wrapping service valve with a wet cloth tubing set can be brazed to service valve using either silver bearing or non silver bearing brazing material Consult local code requirements Refrigerant tubing and indoor coil are now ready for leak testing This check should include all field and factory joints Vil MAKE ELECTRICAL CONNECTIONS WARNING To avoid personal injury or death do not supply power to unit with compressor terminal box cover removed Be sure field wiring complies with local and national fire safety and electrical codes and voltage to system is within limits shown on unit rating plate Contact local power company for correction of improper voltage See unit rating plate for recommended circuit protection device NOTE Operation of unit on improper line voltage constitutes abuse and could affect unit reliability See unit rating plate Do not install unit in system where voltage may fluctuate above or below permissible limits NOTE Use copper wire only between disconnect switch and unit NOTE Install branch circuit disconnect of adequate size per NEC to handle unit starting current Locate disconnect within sight from and readily accessible from unit per Section 440 14 of NEC A Route Ground and Power Wires Remove access panel t
10. eighed in accordance with unit rating plate 0 6 oz ft of 3 8 in liquid line above or below 15 ft respectively EXAMPLE 25 ft 15 ft 10 ft X 0 6 oz ft 6 oz of additional charge B Cooling Only Procedure The following procedure is valid when indoor airflow is within 21 percent of its rated CFM 1 Operate unit a minimum of 10 minutes before checking charge 2 Measure suction pressure by attaching a gage to suction valve service port 3 Measure suction temperature by attaching an accurate thermistor type or electronic thermometer to suction line at service valve BRYANT NON PROGRAMMABLE THERMOSTAT SINGLE STAGE AIR MODEL FURNACE CONDITIONER 24 VAC HOT RF 24 VAC COM HEAT STAGE 1 W W1 SEE NOTE 2 COOL STAGE 1 INDOOR FAN A97359 BRYANT PROGRAMMABLE THERMOSTAT MODEL AC SINGLE STAGE AIR FURNACE CONDITIONER 24 VAC HOT INDOOR FAN HEAT STAGE 1 COOL STAGE 1 NOT USED SEE NOTE 2 NOT USED 24 VAC COM NOT USED NOT USED OPTIONAL OUTDOOR SENSOR CONNECTION A97361 OTHER NON PROGRAMMABLE SINGLE STAGE AIR AC THERMOSTAT FURNACE CONDITIONER 24 VAC HOT SEE HEAT STAGE 1 NOTE 2 COOL STAGE 1 INDOOR FAN A97367 BRYANT NON PROGRAMMABLE THERMOSTAT MODEL AC FA FB FD FF AIR FAN COIL CONDITIONER 24 VAC HOT 24 VAC COM SEE NOTE 2 A97360 BRYANT PROGRAMMABLE FA FB THERMOSTAT FC FD FF AIR MODEL AC FAN COIL CONDITIONER 24
11. g Line Application Guideline No Ball Bearing Fan Motor No No tubing line sets between 50 and 175 ft refer to Residential Split System Long Line Application Guideline tOnly when low pressure switch is used Required for Low Ambient Controller full modulation feature and Control only IX INSTALL ELECTRICAL ACCESSORIES Refer to the individual instructions packaged with kits or acces sories when installing X START UP 4 Set room thermostat at desired temperature Be sure set point is below indoor ambient temperature 5 Set room thermostat to COOL and fan control to ON or AUTO mode as desired Operate unit for 15 minutes CAUTION To prevent compressor damage or personal injury observe the following not overcharge system with refrigerant not operate unit in a vacuum or at negative pressure not disable low pressure switch In scroll compressor applications eDome temperatures may be hot 3 phase application incorrect phasing will cause reverse rotation resulting in elevated noise levels equal ized pressures and reduced current draw Correct by reversing power connection L1 and L2 on contactor CAUTION To prevent personal injury wear safety glasses protective clothing and gloves when handling refrigerant and observe the following Back seating service valves not equipped with Schrader valves Fully back seat c
12. installation and start up instructions 12 SEER SPLIT SYSTEM AIR CONDITIONER NOTE Read the entire instruction manual before starting the installation This symbol indicates a change since the last issue SAFETY CONSIDERATIONS Improper installation adjustment alteration service maintenance or use can cause explosion fire electrical shock or other conditions which may cause death personal injury or property damage Consult a qualified installer service agency or your distributor or branch for information or assistance The qualified installer or agency must use factory authorized kits or accessories when modifying this product Refer to the individual instructions packaged with the kits or accessories when installing Follow all safety codes Wear safety glasses protective clothing and work gloves Use quenching cloth for brazing operations Have fire extinguisher available Read these instructions thor oughly and follow all warnings or cautions included in literature and attached to the unit Consult local building codes and National Electrical Code NEC for special requirements Recognize safety information This is safety alert symbol N When you see this symbol on the unit and in instructions or manuals be alert to the potential for personal injury Understand the signal words DANGER WARNING and CAU TION These words are used with the safety alert symbol DAN GER identifies the most serious hazard
13. o gain access to unit wiring Extend wires from disconnect through power wiring hole provided and into unit control box pac WARNING The unit cabinet must have an uninter rupted or unbroken ground to minimize personal injury if an electrical fault should occur The ground may consist of electrical wire or metal conduit when installed in accordance with existing electrical codes Failure to follow this warning can result in an electric shock fire or death B Connect Ground and Power Wires Connect ground wire to ground connection in control box for safety Connect power wiring to contactor as shown in Fig 4 DISCONNECT PERN AND OR LOCAL CODES CONTACTOR FIELD POWER O WIRING O one FIELD GROUND D WIRING GROUND A91056 Fig 4 Line Power Connections C Connect Control Wiring Route 24v control wires through control wiring grommet and connect leads to control wiring See Fig 5 Use No 18 AWG color coded insulated 35 C minimum wire If thermostat is located more than 100 ft from unit as measured along the control voltage wires use No 16 AWG color coded wire to avoid excessive voltage drop All wiring must be NEC Class 1 and must be separated from incoming power leads Use furnace transformer fan coil transformer or accessory trans former for control power 24 40 minimum NOTE Use of available 24v accessories may exceed the mini mum 40va power requi
14. ounterclockwise valve stem before removing gage port cap Front seating service valves are equipped with Schrader valves CAUTION Do not vent refrigerant to atmosphere Re cover during system repair or final unit disposal Fully back seat open liquid and vapor tube service valves Unit is shipped with valve stem s front seated closed and caps installed Replace stem caps after system is opened to refrigerant flow Replace caps finger tight and tighten with wrench an additional 1 12 turn 3 Close electrical disconnects to energize system 4 Check system refrigerant charge A Sequence of Operation Turn on power to indoor and outdoor units Transformer is energized On a call for cooling thermostat makes circuits R Y and R G Circuit R Y energizes contactor starting outdoor fan motor and compressor circuit R G energizes indoor unit blower relay start ing indoor blower motor on high speed When thermostat is satisfied its contacts open de energizing contactor and blower relay Compressor and motors stop If indoor unit is equipped with a time delay relay circuit the indoor blower will run an additional 90 sec to increase system efficiency CHECK CHARGE A Unit Charge Factory charge is shown on unit rating plate Adjust charge by following procedure shown on charging tables located on unit NOTE If superheat or subcooling charging conditions are not favorable charge must be w
15. popular video based formats and materials All include video and or slides plus companion book Classroom Service Training plus hands on the products in our labs can mean increased confidence that really pays dividends in faster troubleshooting fewer callbacks Course descriptions and schedules are in our catalog CALL FOR FREE CATALOG 1 800 962 9212 Packaged Service Training Classroom Service Training A94328 2000 Bryant Heating amp Cooling Systems 7310 W Morris St Indianapolis IN 46231 9 Printed in U S A 597 185 Catalog No 5359 704
16. rement Determine total transformer load ing and increase the transformer capacity or split the load with an accessory transformer as required IMPORTANT Check factory wiring and wire connections to ensure terminations are secured properly Check wire routing to ensure wires are not in contact with tubing sheet metal etc Vill COMPRESSOR CRANKCASE HEATER When equipped with a crankcase heater furnish power to heater a minimum of 24 hr before starting unit To furnish power to heater only set thermostat to OFF and close electrical disconnect to outdoor unit A crankcase heater is required if refrigerant tubing is longer than 50 ft Refer to Residential Split System Long Line Application Guideline ACCESSORY Crankcase Heater TABLE 2 ACCESSORY USAGE REQUIRED FOR LOW AMBIENT APPLICATIONS BELOW 55 Yes REQUIRED FOR LONG LINE APPLICATIONS OVER 50 FT REQUIRED FOR SEA COAST APPLICATIONS WITHIN 2 MILES No Evaporator Freeze Thermostat Yes No Winter Start Control Yest No Accumulator No No Compressor Start Assist Capacitor and Relay Yes No Low Ambient Controller MotorMasterT Control or Low Ambient Pressure Switch Yes No No Wind Baffle See Low Ambient Instructions No No Coastal Filter No No Yes Support Feet Recommended No Recommended Liquid Line Solenoid Valve or Hard Shutoff TXV No See Lon
17. s which will result in severe personal injury or death WARNING signifies hazards which could result in personal injury or death CAUTION is used to identify unsafe practices which would result in minor personal injury or product and property damage NOTE is used to highlight suggestions which will result in enhanced installation reliability or operation WARNING Before installing modifying or servicing system main electrical disconnect switch must be in the A OFF position There may be more than 1 disconnect switch Lock out and tag switch with a suitable warning label Electrical shock can cause personal injury or death INTRODUCTION AND RECOMMENDATIONS NOTE In some cases noise the living area has been traced to gas pulsations from improper installation of equipment 1 Locate unit away from windows patios decks etc where unit operation sounds may disturb customer 2 Ensure that vapor and liquid tube diameters are appropriate to capacity of unit 3 Run refrigerant tubes as directly as possible by avoiding unnecessary turns and bends 4 Leave some slack between structure and unit to absorb vibration 5 When passing refrigerant tubes through the wall seal opening with RTV or other pliable silicon based caulk See Fig 2 597C 18 4 597C 18 5 11 00 Cancels
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