Carrier 48TJD manuals
Household Appliance > Air Conditioner
When we buy new device such as Carrier 48TJD we often through away most of the documentation but the warranty.
Very often issues with Carrier 48TJD begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
Even oftener it is hard to remember what does each function in Air Conditioner Carrier 48TJD is responsible for and what options to choose for expected result.
Fortunately you can find all manuals for Air Conditioner on our side using links below.
Carrier 48TJD Specifications
52 pages 1.62 Mb
Installation, Start-Up and Service InstructionsCONTENTS SAFETY CONSIDERATIONS INSTALLATION Step 1 Provide Unit Support 48TJE,TJF004 48TJD,TJE,TJF005-007 Single-Package Rooftop Heating/Cooling Units2 Step 2 Field Fabr icate Ductw ork Step 3 Install External Trap for Condensate Drain Step 4 Rig and Place Unit 4 Step 5 Install Flu e Hood Step 6 Install Gas Piping 5 Step 7 Make Electrical Connections12 Step 8 Make Outdoor-Air Adjustments and Install Outdoor-Air HoodUNIT TOP 14 Fig. 21 Durablade Economizer Installed in UnitFig. 20 Horizontal Discharge Block-Off Plate Fig. 23 Outdoor-Air Thermostat/ Enthalpy Control Installation Fig. 22 Durablade Economizer Minimum Position Setting 17 Fig. 33 EconoMi$er Wiring OAT Outdoor-Air Thermostat Fig. 34 EconoMi$er Sensor WiringOR2 x 4 IN. HANDY BOX TO FUSED DISCONNECT FAN 1 FAN 2 CAPACITOR 2 CAPACITOR 1 RELAY 2 RELAY 1 4-PIN CONNECTOR PLUG (HIGH VOLTAGE) 3-PIN CONNECTOR PLUG (LOW VOLTAGE) CENTER PANEL HEATING ACCESS PANEL INDOOR FAN MOTOR ACCESS PANEL THERMOSTAT CONNECTION ACCESS PANEL 18 Fig. 35 Wiring Diagram for Power Exhaust SystemFig. 36 Typical Access Panel Locations (Standard Efficiency Unit Shown) 20 Step 9 Adjust Evaporator-Fan Speed Ad-21 Table 5 Fan Rpm at Motor Pulley Settings*Table 6 Motor Data Table 7 Accessory/FIOP Static Pressure* (in. wg) 48TJ004-007 22 Table 8 Fan Performance 48TJ004 Vertical Discharge Units, Standard MotorTable 9 Fan Performance 48TJ004 Vertical Discharge Units, Alternate Motor 23 Table 10 Fan Performance 48TJ004 Vertical Discharge Units, High-Static MotorTable 11 Fan Performance 48TJ005 Vertical Discharge Units, Standard Motor 24 Table 12 Fan Performance 48TJ005 Vertical Discharge Units, Alternate Motor Table 13 Fan Performance 48TJ005 Vertical Discharge Units, High-Static Motor 25 Table 14 Fan Performance 48TJ006 Vertical Discharge Units, Standard MotorTable 15 Fan Performance 48TJ006 Vertical Discharge Units, Alternate Motor 26 Table 16 Fan Performance 48TJ006 Vertical Discharge Units, High-Static Motor27 Table 17 Fan Performance 48TJ007 Vertical Discharge Units, Standard Motor28 Table 18 Fan Performance 48TJ007 Vertical Discharge Units, High-Static Motor29 Table 19 Fan Performance 48TJ004 Horizontal Discharge Units, Standard MotorTable 20 Fan Performance 48TJ004 Horizontal Discharge Units, Alternate Motor 30 Table 21 Fan Performance 48TJ004 Horizontal Discharge Units, High-Static Motor31 Table 22 Fan Performance 48TJ005 Horizontal Discharge Units, Standard MotorTable 23 Fan Performance 48TJ005 Horizontal Discharge Units, Alternate Motor 32 Table 24 Fan Performance 48TJ005 Horizontal Discharge Units, High-Static MotorTable 25 Fan Performance 48TJ006 Horizontal Discharge Units, Standard Motor 33 Table 26 Fan Performance 48TJ006 Horizontal Discharge Units, Alternate Motor34 Table 27 Fan Performance 48TJ006 Horizontal Discharge Units, High-Static Motor35 Table 28 Fan Performance 48TJ007 Horizontal Discharge Units, Standard Motor36 Table 29 Fan Performance 48TJ007 Horizontal Discharge Units, High-Static Motor37 START-UP Unit Preparation Make sure that unit has been in-Return-Air Filters Make sure correct filters are in- Compressor Mounting Compressors are internally Internal Wiring Check all electrical connections in Refrigerant Service Ports To service refrigerant High Flow Valves Located on the compressor hot gas Compressor Rotation On 3-phase units with scroll Cooling Set space thermostat of OFF position. To start Main Burners Main burners are factory set and should 38 Heating39 Safety Relief A soft solder joint at the suction serviceHigh Flow Valves Located on the compressor hot gas Ventilation (Continuous Fan) Set fan and system Operating Sequence 40 SERVICE Cleaning Inspect unit interior at the beginning of heat-41 LubricationManual Outdoor-Air Damper If outdoor-air damper Economizer Adjustment Refer to Optional Econo- Condenser Fan Adjustment (Fig. 48) Shut off Belt/Pulley Adjustment Inspect once each season, Refrigerant Charge Amount of refrigerant charge is Flue Gas Passageways To inspect th e flue col lec- 43 Combustion-Air Blower Clean periodically to as-Limit Switch Remove blower access panel (Fig. 6). Burner Ignition Unit is equipped with a direct spark Main Burners To access burners, remove burner ac- Replacement Parts A complete list of replacement 45 TROUBLESHOOTING52 START-UP CHECKLIST (Remove and Store in Job File) I. PRELIMINARY INFORMATION:II. PRE-START-UP (insert checkmark in box as each item is completed) III. START-UP:
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