Bryant 551A manual

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Contents

II. RIG and Place Unit ContentsSafety Considerations Installation Provide Unit Support Roof Curb Details 240 Unit Maximum Dimensions Shipping WeightFt-in 155 180 1039 1054 559 180 1650 748 36.3 375 170 449 204 452 Unit STD Unit ECONOMI$ER Corner DIM a DIM B DIM C Weight551A Ft-in 155 1575 714 36.3 407 185 375 170 383 174 410 Base Unit Dimensions, 551A240 155 180 240 Physical Data 551A180 and 240 Shown 551A155 Shown III. Field Fabricate DuctworkIV. Make Unit Duct Connections Trap Condensate Drain NEC Field Control WiringUnit Voltage FLA LRA MCA MOCP† Electrical Data PER Electric Resistance Heater DataUnit Heater Maximum Minimum Heater Amps Manual Outdoor-Air Damper VII. Make OUTDOOR-AIR Inlet AdjustmentsOptional Non-Fused Disconnect Optional Convenience Outlet Unit Stage Heat Anticipator SettingsVIII. Install OUTDOOR-AIR Hood Outdoor Air Enthalpy Sensor Installation Discharge Air Thermistor DAT CO2 Control Setup Mechanical Cooling Lockout Dry Bulb Changeover Set UpEconoMi$er Switchover Control Strategy Default Potentiometer Settings Motormaster I Control Installation 551A155 and 180 Only Ventilation Air Minimum Position Set UpIX. Install ALL Accessories Wind Baffle Details Motormaster III Control Installation 551A240 Only LPS Llsv START-UP III. Refrigerant Service PortsInternal Wiring XI. Accessory ECONOMI$ER Adjustment Units With Perfect Humidity Dehumidification Package Freeze Protection Thermostats Fan Performance 551A155 With Standard Indoor Fan Motor Watts Bhp Rpm 3750 Cfm Rpm Watts BhpWatts Bhp 5700 551A180 15 Tons4800 5100 500 551A240 20 TonsWatts Bhp Rpm Bhp Rpm Watts 000 Drop Accessory/FIOP Static Pressure in. wg Evaporator Fan Motor Specifications Fan RPM at Motor Pulley Settings II. Lubrication Service CleaningIV. Evaporator FAN Service and Replacement Belt Tension Adjustment Evaporator-Fan Pulley Alignment Adjustment VII. ECONOMI$ER Adjustment VI. CONDENSER-FAN Adjustment XI. Protective Devices VIII. Power FailureIX. Refrigerant Charge Filter Drier XIII. Control Circuit XIV. Replacement PartsXVI. Optional Hinged Access Doors XII. Relief Devices Typical Wiring Schematic 551A180, 460v Shown Typical Component Arrangement 551A180 Shown Problem Cause Remedy TroubleshootingCooling Service Analysis Problem Potential Cause Remedy EconoMi$er TroubleshootingPage General TemperaturesElectrical

Bryant 551A operation manual

Models: 551A