Bryant operation manual Typical Component Arrangement 551A180 Shown

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Fig. 36 — Typical Wiring Schematic (551A180, 460v Shown) (cont)

Fig. 37 — Typical Component Arrangement (551A180 Shown)

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Contents Contents Safety ConsiderationsInstallation Provide Unit Support II. RIG and Place UnitRoof Curb Details Unit Maximum Dimensions Shipping Weight Ft-in 155180 240Unit STD Unit ECONOMI$ER Corner DIM a DIM B DIM C Weight 551AFt-in 155 1575 714 36.3 407 185 375 170 383 174 410 1039 1054 559 180 1650 748 36.3 375 170 449 204 452Base Unit Dimensions, 551A240 Physical Data 155 180 240III. Field Fabricate Ductwork IV. Make Unit Duct ConnectionsTrap Condensate Drain 551A180 and 240 Shown 551A155 ShownNEC Field Control WiringUnit Voltage Electrical Data FLA LRA MCA MOCP†Electric Resistance Heater Data UnitHeater Maximum Minimum Heater Amps PERVII. Make OUTDOOR-AIR Inlet Adjustments Optional Non-Fused DisconnectOptional Convenience Outlet Manual Outdoor-Air DamperHeat Anticipator Settings VIII. Install OUTDOOR-AIR HoodOutdoor Air Enthalpy Sensor Installation Unit StageCO2 Control Setup Discharge Air Thermistor DATDry Bulb Changeover Set Up EconoMi$er Switchover Control StrategyDefault Potentiometer Settings Mechanical Cooling LockoutMotormaster I Control Installation 551A155 and 180 Only Ventilation Air Minimum Position Set UpIX. Install ALL Accessories Motormaster III Control Installation 551A240 Only Wind Baffle DetailsLlsv LPSIII. Refrigerant Service Ports Internal WiringXI. Accessory ECONOMI$ER Adjustment START-UPFreeze Protection Thermostats Units With Perfect Humidity Dehumidification PackageFan Performance 551A155 With Standard Indoor Fan Motor Watts Bhp Rpm 3750 Cfm Rpm Watts BhpWatts Bhp 551A180 15 Tons 48005100 5700551A240 20 Tons Watts Bhp RpmBhp Rpm Watts 000 500Accessory/FIOP Static Pressure in. wg DropFan RPM at Motor Pulley Settings Evaporator Fan Motor SpecificationsII. Lubrication Service CleaningIV. Evaporator FAN Service and Replacement Evaporator-Fan Pulley Alignment Adjustment Belt Tension AdjustmentVI. CONDENSER-FAN Adjustment VII. ECONOMI$ER AdjustmentVIII. Power Failure IX. Refrigerant ChargeFilter Drier XI. Protective DevicesXIV. Replacement Parts XVI. Optional Hinged Access DoorsXII. Relief Devices XIII. Control CircuitTypical Wiring Schematic 551A180, 460v Shown Typical Component Arrangement 551A180 Shown Problem Cause Remedy TroubleshootingCooling Service Analysis EconoMi$er Troubleshooting Problem Potential Cause RemedyPage General TemperaturesElectrical
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