Carrier 48AJ manuals
Household Appliance > Air Conditioner
When we buy new device such as Carrier 48AJ we often through away most of the documentation but the warranty.
Very often issues with Carrier 48AJ 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 48AJ 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 48AJ Specifications
118 pages 6.36 Mb
Installation, Start-Up and Service InstructionsCONTENTS SAFETY CONSIDERATIONS INSTALLATION Step 1 Provide Unit Support 2 Step 2 Rig and Place Unit Step 3 Field Fabricate Ductwork Step 4 Make Unit Duct Connections7 Fig. 5 Base Unit Dimensions 48AJ,AK020-0308 Fig. 6 Base Unit Dimensions 48AJ,AK035-0509 Fig. 7 Base Unit Dimensions 48AJ,AK06010 Fig. 8 Base Unit Dimensions 48AW,AY020-03011 Fig. 9 Base Unit Dimensions 48AW,AY035-05012 Fig. 10 Base Unit Dimensions 48W,AY06013 Fig. 11 Base Unit Dimensions 48EJ,EK024-03414 Fig. 12 Base Unit Dimensions 48EJ,EK038-04815 Fig. 13 Base Unit Dimensions 48EJ,EK054-06816 Fig. 14 Base Unit Dimensions 48EW,EY024-03417 Fig. 15 Base Unit Dimensions 48EW,EY038-04818 Fig. 16 Base Unit Dimensions 48EW,EY054-06819 Fig. 17 Rigging Information20 Fig. 17 Rigging Information (cont)21 Table 1A Physical Data 48AJ,AK,AW,AY Units22 Table 1A Physical Data 48AJ,AK,AW,AY Units (cont)23 Table 1B Physical Data 48EJ,EK,EW,EY Units25 Table 1B Physical Data 48EJ,EK,EW,EY Units (cont)26 Table 2 Operating Weights48AJ,AK,AW,AY Units 48EJ,EK,EW,EY Units 27 Table 3 Evaporator Fan Motor DataFig. 18 Air Distribution Thru-the-Bottom Fig. 19 Air Distribution Thru-the-Side 28 Step 5 Install Flue HoodStep 6 Trap Condensate Drain Step 7 Install Gas Piping 29 Step 8 Controls Options 33 Step 9 Make Electrical Connections35 Table 7 Electrical Data 48AJ,AK,AW,AY Units39 Table 8 Electrical Data 48EJ,EK,EW,EY Units44 Fig. 29 Control Box Diagram (48AJ,AK,AW,AY020-030 and 48EJ,EK,EW,EY024-034 Units)48 Step 10 Make Outdoor-Air Inlet Adjustments52 Step 11 Position Power Exhaust/Barometric Relief Damper Hood 54 Step 12 Install All Accessories After all the57 Step 13 Field Modifications58 START-UPUnit Preparation Compressor Mounting Service Valves Internal Wiring Refrigerant Service Ports 59 Crankcase Heaters Variable Frequency Drive (VFD) 62 Table 14 Carrier VFD (Toshiba TOSVERT VF-S9) Program Parameter ValuesTable 15 Motor Electronic Thermal Protection (tHr) for Toshiba TOSVERT VF-S9 VFD*IFM Letter refers to the 15th digit (Motor Option) of the unit model number.CC VIA VIB PP II FM FR RST S1 S2 S3 CC OUT P24 Fig. 58 Toshiba TOSVERT VF-S9 VFD Factory-Installed JumpersTWO-WIRE TRANSDUCER 4-20mA -+ FIRE SPEED OVER-RIDE E-STOP LEGEND Typical Factory Wiring Optional Field Wiring 63 Power Exhaust Direct Digital Controls DIP Switch Configura- tion 64 Crankcase Heater Evaporator Fan Condenser Fans and Motors 65 Table 18 DIP Switch Factory SettingsTable 19 Fan Performance, 48AJ,AK020-030 Vertical Discharge Units 66 Table 20 Fan Performance, 48AJ,AK035 Vertical Discharge Units67 Table 21 Fan Performance, 48AJ,AK040,050 Vertical Discharge Units68 Table 22 Fan Performance, 48AJ,AK060 Vertical Discharge Units69 Table 23 Fan Performance, 48AW,AY020-030 Horizontal Discharge Units70 Table 24 Fan Performance, 48AW,AY035 Horizontal Discharge Units71 Table 25 Fan Performance, 48AW,AY040,050 Horizontal Discharge Units72 Table 26 Fan Performance, 48AW,AY060 Horizontal Discharge Units73 Table 27 Fan Performance, 48EJ,EK024,034 Vertical Discharge Units74 Table 28 Fan Performance, 48EJ,EK038,044 Vertical Discharge Units75 Table 29 Fan Performance, 48EJ,EK048 Vertical Discharge Units76 Table 30 Fan Performance, 48EJ,EK054-068 Vertical Discharge Units77 Table 31 Fan Performance, 48EW,EY054-068 Horizontal Discharge Units78 Table 32A Fan Performance Power Exhaust, 48AJ,AK,AW,AY020-050 and 48EJ,EK,EW,EY024-048Table 32B Fan Performance Power Exhaust, 48AJ,AK,AW,AY060 and 48EJ,EK,EW,EY054-068 79 Table 33 Motor LimitationsTable 34 Air Quality Limits 80 Return-Air Filters Filter Replacement Outdoor-Air Inlet Screens Economizer Adjustment Gas Heat Sequence of Operation 89 SERVICE Service Access Cleaning 91 LubricationEvaporator Fan Performance Adjustment (Fig. 67) Evaporator Fan Coupling Assembly 92 Evaporator Fan Service and ReplacementBelt Tension Adjustment Evaporator-Fan Motor Replacement Condenser-Fan Adjustment 93 Power Failure Refrigerant Charge Thermostatic Expansion Valve (TXV) Gas Valve Adjustment 94 Main Burners 95 Filter Drier Replace whenever refrigerant system is ex-Protective Devices LEGEND for Fig. 77-83 Typical Wiring Schematics Relief Devices All units have relief devices to protect Power Ci rcuit A typical power wiring schematic is Control Circuit, 24-V This control circuit is protect- Control Circuit, 115-V This control circuit is pro- Compressor Lockout Logic If any of the safeties Replacement Parts A complete list of replacement96 Fig. 77 Typical Power Schematic 48EJ,EK,EW,EY024-034; 208/230-3-60 and 460-3-60104 Fig. 85 Typical Refrigerant Circuiting (48AJ,AK,AW,AY027,030)105 Fig. 86 Typical Refrigerant Circuiting (48AJ,AK,AW,AY035)107 Fig. 88 Typical Refrigerant Circuiting (48AJ,AK,AW,AY040,050)110 Fig. 91 Typical Refrigerant Circuiting (48AJ,AK,AW,AY060) 114 Diagnostic LEDs 116 SERVICE TRAINING117 START-UP CHECKLISTPRE-START-UP: START-UP:
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Carrier 48AJ Installation Instructions
36 pages 4.42 Mb
Installation InstructionsCONTENTS SAFETY CONSIDERATIONS INSTALLATION Step 1 Provide Unit Support CAUTION 2 Step 2 Rig and Place Unit Step 3 Field F abricate Ductw ork Step 4 Make Unit Duct Connections* OPERATING WEIGHT INCLUDES LARGEST INDOOR FAN MOTOR, CU/AL COILS, MODULATING POWER EXHAUST (VARIABLE AIR VOLUME), AND VARIABLE FREQUENCY DRIVE (VARIABLE AIR VOLUME). 6 Fig. 4 Base Unit Dimensions 48AJ,AK020-0357 Fig. 5 Base Unit Dimensions 48AJ,AK036-0509 Fig. 7 Base Unit Dimensions 48AW,AY020-03510 Fig. 8 Base Unit Dimensions 48AW,AY036-050a48-823948AJ/AK LOW HEAT 48AJ/AK HIGH HEAT 48AJ/AK LOW HEAT 48AJ/AK HIGH HEAT 48AW/AY HIGH HEAT 48AW/AY LOW HEAT 48AW/AY LOW HEAT 48AW/AY HIGH HEAT 12 Fig. 10 Center of Gravity and Weights 48AJ,AK,AW,AY051,060a50-8102 LEGEND CV Constant Volume VFD Variable Frequency Drive VAV Volume Air volume IFM Indoor Fan Motor FIOP Factory-Installed Option 13 Table 1 Physical Data 48AJ,AK,AW,AY Units15 Table 1 Physical Data 48AJ,AK,AW,AY Units (cont) NOTE: Rig with four cables and spread with two 92 inch (2337 MM) spreader bars. Maintain a distance of 74 inches (1880 MM) from top of unit to eyehook. 16 CAUTION - NOTICE TO RIGGERS:ALL PANELS MUST BE IN PLACE WHEN RIGGING.
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