Carrier 48PG20-28 specifications Typical Power Schematic

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Fig. 43 — Typical Power Schematic

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Image 54

Contents Installation, Start-Up and Service Instructions Installation Provide Unit SupportRoof Curb Details Shipping Rail Removal Base Unit Dimensions Physical Data CompressorFan Motor and Drive Data Vertical Supply/Return Fan Motor and Drive Data Horizontal Supply/Return Make Unit Duct Connections Alignment Hole DetailsInstall Flue Hood and Inlet Hood Concentric Duct DetailsMake Electrical Connections Condensate Drain DetailsField Power Wiring Connections Supply Optional Hacr Size Supply Optional Hacr Size Voltage Breaker Outdoor-Air Hood Details Outdoor-Air Hood Assembled Power Exhaust or Barometric Relief Damper Mounting Details PRE-START-UP Fan Performance 48PGD20 Vertical Supply/Return Units Fan Performance 48PGE20 Vertical Supply/Return Units Fan Performance 48PGF20 Vertical Supply/Return Units 8500 940Fan Performance 48PGD24 Vertical Supply/Return Units Fan Performance 48PGE24 Vertical Supply/Return Units Fan Performance 48PGF24 Vertical Supply/Return Units 500 94011,000 Fan Performance 48PGD28 Vertical Supply/Return Units10,500 1310 11.76 1342 12.33 11,5001304 000 Fan Performance 48PGE28 Vertical Supply/Return Units1327 11.47 11,000 1309 1341 10.09 500Fan Performance 48PGF28 Vertical Supply/Return Units Fan Performance 48PGD20 Horizontal Supply and Return Units Fan Performance 48PGE20 Horizontal Supply and Return Units Fan Performance 48PGF20 Horizontal Supply and Return Units Fan Performance 48PGD24 Horizontal Supply and Return Units Fan Performance 48PGE24 Horizontal Supply and Return Units Fan Performance 48PGF24 Horizontal Supply and Return Units 1354 1391 000 1381 500 10,000Fan Performance 48PGD28 Horizontal Supply and Return Units 1328 10.37 1358 10.87 10,000Fan Performance 48PGE28 Horizontal Supply and Return Units 1308 1340 10.08 500Fan Performance 48PGF28 Horizontal Supply and Return Units General Notes for FAN Performance Data TablesPower Exhaust Fan Performance 48PG20-28 Evaporator Fan Motor SpecificationsOperation Air Quantity Limits Evaporator Fan Motor Specifications Accessory/FIOP Static Pressure in. wg* 48PG20-28 Fan Rpm at Motor Pulley SettingsEconoMi$er IV Sensor Usage EconoMi$er IV Wiring Enthalpy Changeover Set Points Page CO2 Sensor Standard Settings Operating SequenceSubcooler Operation Service Lubrication Removing Heat Exchanger CeramicEvaporator-Fan Motor Adjustment Sensor Temperature/Resistance Values Condenser-Fan Adjustment FigBelt Tension Adjustment Unit Model Number PositionGas Valve Adjustment Charging Chart 48PG20Gas Valve Protective Devices Altitude CompensationTypical Low Voltage Control Schematic Typical Power Schematic Typical Component Arrangement 48PG20,24 Typical Component Arrangement 48PG28 Troubleshooting Cooling Service AnalysisGas Heating Service Analysis Burners Will Not IgniteIGC Control Heating and Cooling Flash EconoMi$er IV TroubleshootingIGC Board LED Alarm Codes FlashesLED Status Function Copyright 2005 Carrier Corporation Page Unit START-UP Checklist