Troubleshooting | Carrier 48HJD005-007 guide

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Carrier 48HJD005-007 specifications Troubleshooting, LED Error Code Service Analysis

Contents

Step 1 - Provide Unit Support CONTENTSSAFETY CONSIDERATIONS INSTALLATION 1′-4″ Fig. 1 - Roof Curb Details Fig. 3 - Condensate Drain Pan Fig. 2 - Unit Leveling Tolerances Step 7 - Make Electrical Connections Table 1 - Physical Data Table 1 - Physical Data cont Fig. 5 - Base Unit Dimensions - 48HJ004-007 1/2″3/4″ Fig. 6 - Flue Hood Details Step 8 - Adjust Factory-Installed OptionsFig. 7 - Gas Piping Guide With Accessory Thru-the-Curb Service Connections Fig. 8 - Power Wiring Connections Fig. 10 - Field Control Wiring RacewayFig. 9 - Low-Voltage Connections With or Without Economizer Never operate a motor where a phase imbalance in supply volt age is greater than 2%. Use the following formula to determinethe percent of voltage imbalance Table 2C - 48HJ High-Static Motor Units Without Electrical Convenience Outlet 208/230-V Unit Shown Fig. 11 - Accessory Field-Installed Humidistat Fig. 14 - Outdoor-Air Hood Details Fig. 13 - Typical Access Panel LocationsFig. 15 - Durablade Economizer Installed in Unit Fig. 16 - Horizontal Durablade Economizer Installation Fig. 20 - Outdoor-Air Thermostat Enthalpy Control Installation Wiring HarnessFig. 19A - Durablade Economizer Damper Minimum Position Setting Fig. 19B - Durablade Economizer Minimum Position Damper Setting Fig. 22 - Durablade Economizer Barometric Relief Damper CharacteristicsFig. 24 - Typical Access Panel Locations Fig. 25 - Exhaust Air Hood Assembly Fig. 29 - EconoMi$er Installed Fig. 28 - Rear EconoMi$er Flange InstallationFig. 26 - Outdoor-Air Hood Assembly Fig. 27 - Completed Hood Assembly POWER EXHAUST SYSTEM HIGH VOLTAGE Fig. 31 - EconoMi$er Sensor WiringFig. 33 - Typical Access Panel Locations Fig. 32 - Wiring Diagram for Power Exhaust System Potentiometers Factory Settings Fig. 34 - Supply-Air Sensor PlacementTable 4 - Default Potentiometer Settings Fig. 35 - EconoMi$er Control Adjustment Step 9 - Adjust Evaporator-Fan Speed - Ad Fig. 38 - Evaporator-Fan Pulley AdjustmentFig. 37 - Belt-Drive Motor Mounting Table 5A - 48HJ Fan Rpm at Motor Pulley Setting With Standard Motor Table 6 - Evaporator-Fan Motor Data - Standard MotorTable 7 - Evaporator-Fan Motor Data - High-Static Motors Table 8 - Motor Nominal Horsepower Table 9 - Outdoor Sound Power Total UnitBels Table 12 - 48HJ005 Fan Performance - Vertical Discharge Units With Standard Motor 3-Phase Units Single-Phase Units Table 16 - 48HJ007 Fan Performance - Vertical Discharge Units With Standard Motor Table 18 - 48HJ004 Fan Performance - Horizontal Discharge Units With Standard Motor Table 20 - 48HJ005 Fan Performance - Horizontal Discharge Units With Standard Motor 3-Phase Units Package Static Pressure Drop in. wg FIOP - Factory-Installed OptionTable 26 - Economizer Static Pressure Drop in. wg Table 27 - FIOP MoistureMiser Dehumidification START-UP PRE-START-UP Heating Operating SequenceTable 28 - Altitude Compensation When the supply-air temperature falls between 57 F and Fig. 39 - MoistureMiser Option Operation Fig. 42 - Separating Coil Sections SERVICELubrication Fig. 40 - Cleaning Condenser Coil Fig. 41 - Propping Up Top Panel Fig. 43 - Condenser-Fan Adjustment Fig. 44 - Cooling Charging Chart Standard 48HJ004Fig. 45 - Cooling Charging Chart Standard 48HJ005 Fig. 47 - Cooling Charging Chart Standard 48HJ007 Fig. 46 - Cooling Charging Chart Standard 48HJ006 Fig. 48 - Cooling Charging Chart, 48HJ004 with Optional MoistureMiser Dehumidification Package Fig. 52 - Burner Section Details Fig. 53 - Burner Tray Details Table 29 - LED Error Code Description 48HJF005-007 - 150,000 BTUH INPUT Fig. 54 - Spark Gap AdjustmentLOW HEAT 48HJE004, 48HJD005-007 - 72,000 BTUH INPUT MEDIUM AND HIGH HEAT 48HJE005-007, 48HJF004 - 115,000 BTUH INPUT Table 30 - LED Error Code Service Analysis TROUBLESHOOTING Table 32 - Durablade Economizer Service Analysis Table 31 - Heating Service Analysis Table 34 - EconoMi$er Troubleshooting Table 33 - EconoMi$er Flash Code IdentificationCritical Table 35 - MoistureMiser Dehumidification Subcooler Service Analysis Compressor operates continuously Table 36 - Cooling Service Analysis 208/230 3-Phase Unit Shown Fig. 55 - Typical Wiring Schematic and Component Arrangement NOTES FOR FIG LEGEND AND NOTES FOR FIG Replaces 48HJ-17SI Page III. START-UP START-UP CHECKLIST Remove and Store in Job FileI. PRELIMINARY INFORMATION II. PRE-START-UP insert checkmark in box as each item is completed