Manuals / Bryant / Household Appliance / Air Conditioner

Bryant 581A operation manual Economizer Option/Accessory

Models: 581A

1 40

Download 40 pages 46.88 Kb

Page 34

Image 34

ECONOMIZER OPTION/ACCESSORY

Fig. 39 — Typical Component Arrangement (581A180 Shown)

—34—

Page 34

Image 34

Bryant 581A operation manual Economizer Option/Accessory

Contents

X. Step 10 - Install Outdoor-AirHood CONTENTSV. Step 5 - Install Flue Hood and Wind XI. Step 11 - Install All AccessoriesFig. 1 - Roof Curb Details B. Alternate Unit Support Fig. 2 - Horizontal Adapter Roof Curbsand Roof Curbs II. STEP 2 - RIG AND PLACE UNITFig. 4 - Base Unit Dimensions 581A155 and Fig. 5 - Base Unit Dimensions 581A240 Table 1 - Physical Data IV. STEP 4 - MAKE UNIT DUCT CONNECTIONS V.STEP 5 - INSTALL FLUE HOOD AND WIND BAFFLEIII. STEP 3 - FIELD FABRICATE DUCTWORK Fig. 8 - Concentric Duct DetailsVIII. STEP 8 - MAKE ELECTRICAL CONNECTIONS Fig. 10 - Combustion Fan Housing LocationVII. STEP 7 - INSTALL GAS PIPING A. Field Power SupplySTEP 9 - MAKE OUTDOOR-AIRINLET ADJUSTMENTS B. Field Control WiringFig. 14 - Field Power Wiring Connections Fig. 15 - Field Control Thermostat WiringTable 2 - Electrical Data Fig. 16 - 25% Outdoor-AirSection Details Fig. 17 - Economizer Damper Assembly-EndViewX.STEP 10 - INSTALL OUTDOOR-AIRHOOD Fig. 19 - Economizer Motor ControlFig. 22 - Outdoor-AirHood Details A.Enthalpy Control InstallationFig. 21 - Seal Strip Location Fig. 23 - Outdoor-Airand Return-AirEnthalpy Control B. Differential Enthalpy Control Fig. 24 - Psychrometric Chart for Solid-StateXI. STEP 11 - INSTALL ALL ACCESSORIES Fig. 25 - Wind Baffle DetailsIV. REFRIGERANT SERVICE PORTS B. Motormaster III Control Installation 581A240II. SERVICE VALVES LocationsVII. CRANKCASE HEATERS VI. INTERNAL WIRINGXII. ACCESSORY ECONOMIZER ADJUSTMENT VIII. EVAPORATOR FANPage Page Page Page Page Page Page Table 14 - Fan RPM at Motor Pulley Setting Table 12 - Evaporator Fan Motor SpecificationsTable 11 - Air Quantity Limits XIV. BASE UNIT OPERATION Fig. 27 - Fan Performance Using AccessoryPower Exhaust XIII. GAS HEAT A. Cooling, Units Without EconomizerD. Freeze Protection Thermostats SERVICEI. CLEANING E. Heating, Units With EconomizerFig. 30 - Evaporator-FanAlignment and Adjustment III.EVAPORATOR FAN PERFORMANCE ADJUSTMENT FigIV. EVAPORATOR FAN SERVICE AND REPLACEMENT II. LUBRICATION A. CompressorsFig. 33 - Condenser Fan Adjustment, 581A155 and V. BELT TENSION ADJUSTMENTVI. CONDENSER-FANADJUSTMENT Fig. 34 - Condenser Fan Adjustment, 581A240VIII. POWER FAILURE VII. ECONOMIZER ADJUSTMENTTable 16 - Economizer Checkout Procedures C. To Use the Cooling Charging ChartB. Cleaning and Adjustment Fig. 35 - Cooling Charging ChartX. GAS VALVE ADJUSTMENT A. Natural Gas XI. MAIN BURNERSXVII. DIAGNOSTIC LEDS D. High- and Low-PressureSwitchesXVI. REPLACEMENT PARTS C. Condenser-FanMotor Protection581A180270, 581A240270, AND 581A155300 Fig. 37 - Spark Gap Adjustment581A155225 581A180360 AND 581A240360Page Page ECONOMIZER OPTION/ACCESSORY Table 18 - Cooling Service Analysis TROUBLESHOOTING—35— Table 19 - Heating Service Analysis Fig. 40 - IGC Control Heating and Cooling PACKAGED SERVICE TRAINING CALL FOR FREE CATALOGPage PRESSURES TEMPERATURESELECTRICAL GENERAL