Installation, Start-Up, andService InstructionsCONTENTSPageSAFETY CONSIDERATIONS ...1INSTALLATION ...1-26Ste
CONDENSERCOILTOP COVEREND PANELCORNER POSTFig. 7 — Flue Hood DetailsLEGENDNFGC — National Fuel Gas Code*Field supplied.NOTE: Follow all local codes.SP
208/230-1-60575-3-60(SIZE 007 ONLY)LEGENDC—ContactorCOMP — CompressorNEC — National Electrical CodeTB — Terminal BlockFig. 11 — Power Wiring Connectio
Table 2 — Electrical DataUNITNOMINALV-PH-HZIFMTYPEVOLTAGERANGECOMPR(each)OFM IFMCOMBUSTIONFANMOTORPOWER SUPPLYDISCONNECTSIZE*Min Max RLA LRA FLA FLA F
Step 8 — Make Outdoor-Air Adjustments andInstall Outdoor-Air HoodMANUAL OUTDOOR-AIR DAMPER — The outdoor-airhood and screen are attached to the basepa
OPTIONAL VARISLIDE ™ ECONOMIZER — The op-tional economizer hood assembly is packaged and shippedin the filter section. Damper blades and control boards
Fig. 20 — Horizontal Discharge Block-Off PlateECONOMIZERCONTROL BOARDECONOMIZERPLUGECONOMIZERMOTORTOPSCREWBAROMETRICRELIEF DAMPERWIRINGHARNESSPOSITION
OPTIONAL PARABLADE ECONOMIZER — The op-tional PARABLADE economizer hood assembly is pack-aged and shipped in the filter section. Damper blades andcontr
6. Determine the enthalpy changeover set point fromFig. 27. The enthalpy changeover set point should be setto return the outdoor-air damper to the min
Step 9 — Adjust Evaporator-Fan Speed — Adjustevaporator-fan speed to meet jobsite conditions. Table 3 showsfan rpm at motor pulley settings. Table 4 s
To align fan and motor pulleys:1. Loosen fan pulley setscrews.2. Slide fan pulley along fan shaft.3. Make angular alignment by loosening motor frommou
Curb should be level. Unit leveling tolerances are shownin Fig. 3. This is necessary for unit drain to function prop-erly. Refer to Accessory Roof Cur
Table 5 — Fan Performance, 48TJE/TJF004 Vertical Discharge Units;Standard Motor (Direct)AIRFLOW(Cfm)LOW SPEED HIGH SPEED208 v 230, 460, 575 v 208 v 23
Table 7 — Fan Performance, 48TJD/TJE/TJF005 Vertical Discharge Units;Standard Motor (Direct)AIRFLOW(Cfm)LOW SPEED HIGH SPEED208 v 230, 460, 575 v 208
Table 9 — Fan Performance, 48TJD/TJE/TJF006 Vertical Discharge Units;Standard Motor (Direct)AIRFLOW(Cfm)LOW SPEED MEDIUM SPEED HIGH SPEED208 v 230, 46
Table 11 — Fan Performance, 48TJD/TJE/TJF007 Vertical Discharge Units;Standard Motor (Belt)AIRFLOW(Cfm)EXTERNAL STATIC PRESSURE (in. wg)0.1 0.2 0.4 0.
Table 13 — Fan Performance, 48TJE/TJF004 Horizontal Discharge Units;Alternate Motor (Belt)AIRFLOW(Cfm)EXTERNAL STATIC PRESSURE (in. wg)0.1 0.2 0.3 0.4
Table 15 — Fan Performance, 48TJD/TJE/TJF005 Horizontal Discharge Units;Alternate Motor (Belt)AIRFLOW(Cfm)EXTERNAL STATIC PRESSURE (in. wg)0.1 0.2 0.3
Table 17 — Fan Performance, 48TJD/TJE/TJF006 Horizontal Discharge Units;Alternate Motor (Belt)AIRFLOW(Cfm)EXTERNAL STATIC PRESSURE (in. wg)0.1 0.2 0.4
START-UPUnit Preparation —Make sure that unit has been in-stalled in accordance with these installation instructions andapplicable codes.Return-Air Fi
The evaporator-fan OFF delay can also be modified. Oncethe call for heating has ended, there is a 10-minute periodduring which the modification can occu
SERVICEWhen servicing unit, shut off all electrical power to unitto avoid shock hazard or injury from rotating parts.Cleaning — Inspect unit interior
CONNECTION SIZESUNITSIZE48TJBCDALTDRAINHOLE‘‘E’’GASPOWER CONTROLCONNECTORPACKAGEACCESSORY004-00718-911⁄169[551]18-49[406]13⁄49[44.5]3⁄49NPT3⁄49NPT1⁄29
LubricationCOMPRESSORS — Each compressor is charged with thecorrect amount of oil at the factory.FAN MOTOR BEARINGS — Fan motor bearings are ofthe per
Fig. 40 — Cooling Charging Chart, 48TJ004Fig. 41 — Cooling Charging Chart, 48TJ005Fig. 42 — Cooling Charging Chart, 48TJ006Fig. 43 — Cooling Charging
Combustion-Air Blower — Clean periodically to as-sure proper airflow and heating efficiency. Inspect blowerwheel every fall and periodically during hea
Fig. 45 — Burner Tray DetailsFig. 46 — Spark AdjustmentLOW HEAT48TJE004, 48TJD005-007 — 74,000 BTUH INPUTMEDIUM AND HIGH HEAT48TJE005-007, 48TJF004 —
TROUBLESHOOTINGTable 21 — LED Error Code Service AnalysisPROBLEM CAUSE REMEDYHardware failure.(LED OFF)Loss of power to control module (IGC). Check 5
Table 22 — Heating Service AnalysisPROBLEM CAUSE REMEDYBurners will not ignite. Misaligned spark electrodes. Check flame ignition and sensor electrode
Table 23 — Cooling Service AnalysisPROBLEM CAUSE REMEDYCompressor and condenserfan will not start.Power failure. Call power company.Fuse blown or circ
Table 24 — Varislide™ Economizer TroubleshootingPROBLEM CAUSE REMEDYDamper does notopen.Indoor (evaporator) fan is off. 1. Check to ensure that 24 vac
Table 25 — PARABLADE Economizer TroubleshootingPROBLEM CAUSE REMEDYDamper does not open. Evaporator fan not on. Check wiring between G on connection b
LEGEND FOR FIG. 47 — TYPICAL WIRING SCHEMATIC AND COMPONENT ARRANGEMENTIMPORTANT: Refer to unit wiring label for actual unit wiringinformation.AHA — A
POSITIONING — Maintain clearance around and above unitto provide minimum distance from combustible materials,proper airflow, and service access. See Fi
Fig. 47 — Typical Wiring Diagram and Component Arrangement40
Copyright 1995 Carrier CorporationManufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and w
START-UP CHECKLIST(Remove and Use in Job File)I. PRELIMINARY INFORMATION:MODEL NO.:DATE:SERIAL NO.:TECHNICIAN:II. PRE-START-UP (insert checkmark in bo
FIELD POWER SUPPLY — All units except 208/230-v unitsare factory wired for the voltage shown on the nameplate. Ifthe 208/230-v unit is to be connected
NOTE: Drain plug is shown in factory-installed position.Fig. 4A — Internal Trap Condensate DrainNOTES:1. Dimensions in ( ) are in millimeters.2. Hook
Table 1 — Physical DataBASE UNIT 48 TJE/TJF004 TJD/TJE/TJF005 TJD/TJE/TJF006 TJD/TJE/TJF007NOMINAL CAPACITY (tons) 3456OPERATING WEIGHT (lb)Unit 460 4
Table 1 — Physical Data (cont)BASE UNIT 48 TJE/TJF004 TJD/TJE/TJF005 TJD/TJE/TJF006 TJD/TJE/TJF007FURNACE SECTIONRollout Switch Cutout Temp (F)* 195 1
UNITSTD. UNITWEIGHTECONOMIZER WEIGHTCORNERWEIGHT(A)CORNERWEIGHT(B)CORNERWEIGHT(C)CORNERWEIGHT(D)Varislide™ PARABLADELb Kg Lb Kg Lb Kg Lb Kg Lb Kg Lb K
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