Bryant s 123A user manual

Summary of the content on the page No. 1

123A,124A
LegacytLineAirConditioners
withPuronrRefrigerant
1--1/2To5NominalTons(Sizes018to060)
InstallationInstructions
5. When passing refrigerant tubes through thewall, sealopen-
SAFETYCONSIDERATIONS
ing with RTVor otherpliable silicon--based caulk. (SeeFig.
Improper installation, adjustment, alteration, service, maintenance,
1.)
or use can cause explosion, fire, electrical shock, or other
6. Avoid direct tubing contact with water pipes, duct work,
conditions which may cause death, personal in

Summary of the content on the page No. 2

INSTALLATION ! CAUTION CheckEquipmentandJobSite UNPACK UNIT UNITDAMAGEHAZARD Move to final location. Remove carton taking care not to damage Failure to follow this caution may result in equipment unit. damageorimproperoperation. InspectEquipment If ANY refrigerant tubing is buried, provide a 6--in. vertical File claim with shipping company prior to installation if shipment riseatservicevalve. Refrigeranttubing lengthsup to 36--in. is damaged or incomplete. Locate unit rating plate on unit corner

Summary of the content on the page No. 3

Use refrigeration grade tubing. Service valves are closed from EvacuateRefrigerantTubingandIndoorCoil factory and ready for brazing. After wrapping service valve with a wet cloth, braze sweat connections using industry accepted ! CAUTION methods and materials. Consult local code requirements. Refrigerant tubing and indoor coil are now ready for leak testing. UNITDAMAGEHAZARD Thischeck should includeallfield and factory joints. Failure to follow this caution may result in equipment Table1–Refrige

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Table2–AccessoryUsage REQUIREDFOR REQUIREDFORLOW---AMBIENT REQUIREDFORLONGLINE SEACOAST COOLINGAPPLICATIONS APPLICATIONS* ACCESSORY APPLICATIONS (Below55 °F/12.8_C) (Over80ft./24.38m) (Within2miles/3.22km) BallBearing FanMotor Yes{ No No CompressorStartAssistCapacitorandRelay Yes Yes No Crankcase Heater Yes Yes No EvaporatorFreezeThermostat Yes No No Hard Shut---Off TXV Yes Yes Yes LiquidLineSolenoidValve No No No ® MotorMaster orLow---ambientPressure Switch Yes No No SupportFeet Recommended No

Summary of the content on the page No. 5

compressor circuit. R--G energizes indoor unit blower relay, Followthesestepstoproperlystartupsystem: starting indoorblowermotoron high speed. 1. After system is evacuated, fully open liquid and vapor ser- When thermostat is satisfied, its contacts open, de--energizing vicevalves. contactorand blowerrelay.Compressorand motorsstop. 2. Unit is shipped with valve stem(s) front seated (closed) and If indoor unit is equipped with a time--delay relay circuit, the caps installed. Replace stem caps afte

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A/C Typical AIR A/C Typical AIR THERMOSTAT FAN COIL CONDITIONER THERMOSTAT FURNACE CONDITIONER 24 VAC HOT R R 24 VAC HOT R R 24 VAC COM C C 24 VAC COM C C C HEAT STAGE 1 W/W1 W C HEAT STAGE 1 W/W1 W2 Y/Y2 Y COOL STAGE 1 COOL STAGE 1 Y/Y2 INDOOR FAN G G G G INDOOR FAN A02326 LEGEND 24-V FACTORY WIRING 24-V FIELD WIRING FIELD SPLICE CONNECTION C CONTACTOR A97368 Fig.7 -- GenericWiring Diagrams (SeeThermostatInstallation Instruction forspecificunitcombinations) PURONR(R--410A)REFRIGERANTQUICKREFERE