Carrier 48TJD008-014- Manuals

Page 2 - Fig. 1 — Horizontal Conversion Panels

SLAB MOUNT (Horizontal Units Only) — Provide a levelconcrete slab that extends a minimum of 6 in. beyond unitcabinet. Install a gravel apron in front of condenser coil airinlet to prevent grass and foliage from obstructing airflow.NOTE: Horizontal units may be installed on a roof curb ifrequired. St...

Page 3 - Fig. 2 — Roof Curb Details

UNIT SIZE ‘‘A’’ ROOF CURB 48TJ ACCESSORY 008-014 1 8 -2 9 [356] CRRFCURB003A00 2 8 -0 9 [610] CRRFCURB004A00 UNIT SIZE 48TJ ‘‘B’’ ‘‘C’’ ‘‘D’’ ALT DRAIN HOLE ‘‘E’’ GAS POWER CONNECTION CONTROL CONNECTION CONNECTOR ACCESSORY PACKAGE 008-014 2 8 -8 7 ⁄ 16 9 [827] 1 8 -10 15 ⁄ 16 9 [583] 1 3 ⁄ 4 9 [45] ...

Page 4 - Fig. 3 — Unit Leveling Tolerances; Fig. 6 — Rigging Details

Locate mechanical draft system flue assembly at least 48 in. from any opening through which combustion prod-ucts could enter the building, and at least 48 in. from an ad-jacent building or combustible material. When unit is locatedadjacent to public walkways, flue assembly must be at least7 ft above...

Page 5 - Table 1 — Physical Data

Table 1 — Physical Data UNIT SIZE 48TJ 008D/E/F 009D/E/F 012D/E/F 014D/E NOMINAL CAPACITY (tons) 7 1 ⁄ 2 8 1 ⁄ 2 10 12 1 ⁄ 2 OPERATING WEIGHT (lb) Unit Al/Al* 870 880 1035 1050 Al/Cu* 881 896 1057 1077 Cu/Cu* 893 907 1080 1100 Durablade Economizer 44 44 44 44 PARBLADE Economizer 62 62 62 62 Roof Cur...

Page 7 - Fig. 7 — Base Unit Dimensions

UNIT48TJ STANDARD UNIT WEIGHT CORNER WEIGHT (A) CORNER WEIGHT (B) CORNER WEIGHT (C) CORNER WEIGHT (D) ‘‘H’’ ‘‘J’’ ‘‘K’’ ‘‘L’’ Lb Kg Lb Kg Lb Kg Lb Kg Lb Kg ft-in. mm ft-in. mm ft-in. mm ft-in. mm D/E/F008 870 395 189 86 161 73 239 109 280 127 1-2 7 ⁄ 8 378 3-5 5 ⁄ 16 1050 2-9 11 ⁄ 16 856 2- 2 7 ⁄ 16...

Page 8 - Fig. 8 — Flue Hood Details; LEGEND; Fig. 9 — Gas Piping Guide (With Accessory

Step 5 — Install Flue Hood — Flue hood is shipped screwed to the burner compartment access panel. Removefrom shipping location and, using screws provided, installflue hood and screen in location shown in Fig. 8. Step 6 — Install Gas Piping — Unit is equipped for use with type of gas shown on namepla...

Page 9 - Table 2 — Electrical Data

Route thermostat cable or equivalent single leads of col- ored wire from subbase terminals to low-voltage connec-tions on unit (shown in Fig. 11) as described in Steps 1 - 4below.1. If unit is mounted on roof curb and accessory thru-the- curb service plate connection is used, route wire throughconne...

Page 10 - Fig. 10 — Power Wiring Connections; Fig. 12 — Field Control Wiring Raceway

Fig. 10 — Power Wiring Connections LEGEND C — Contactor COMPS — CompressorsIFC — Indoor (Evaporator) Fan Contactor NEC — National Electrical Code TB — Terminal Block Terminal Block Connection Splice Connection(Factory Supplied)Field WiringFactory Wiring LEGEND AHA — Adjustable Heat AnticipatorCC — C...

Page 11 - Step 8 — Adjust Factory-Installed Options; Fig. 13 — Apollo Control Factory-Installed; Fig. 16 — Damper with Hood Attached

Step 8 — Adjust Factory-Installed Options APOLLO CONTROL — The optional Apollo control is usedto actively monitor all modes of operation as well as indoor(evaporator) fan status, filter status, and indoor-air quality.The Apollo control is designed to work with Carrier TEMPand VVT t systems. The ther...

Page 13 - Fig. 22 — Horizontal Durablade Economizer

Fig. 19 — Outdoor-Air Hood Details Fig. 20 — Vertical Discharge Block-Off Plate (Sizes 120,150 only) ECONOMIZERCONTROL BOARD ECONOMIZERPLUG ECONOMIZERMOTOR TOPSCREW Fig. 21 — Durablade Economizer Installed in Unit ECONOMIZER CONTROL BOARD ECONOMIZER MOTOR POSITION SETTING BRACKET Fig. 22 — Horizonta...

Page 16 - Step 9 — Adjust Evaporator-Fan Speed —; just evaporator-fan speed to meet jobsite conditions.; Fig. 30 — Enthalpy Settings for; Fig. 33 — Filter Installed on Outdoor-Air Hood

Step 9 — Adjust Evaporator-Fan Speed — Ad- just evaporator-fan speed to meet jobsite conditions. Table 3 shows fan rpm at motor pulley settings, Table 4 shows motor efficiencies and Table 5 gives accessory staticpressure drops. Table 6 shows motor performance. Refer toTables 7-14 to determine fan sp...

Page 17 - Table 3 — Fan Rpm at Motor Pulley Settings*; UNIT; Fig. 34 — Typical Belt-Drive Motor Mounting

Table 3 — Fan Rpm at Motor Pulley Settings* UNIT 48TJ MOTOR PULLEY TURNS OPEN 0 1 ⁄ 2 1 1 1 ⁄ 2 2 2 1 ⁄ 2 3 3 1 ⁄ 2 4 4 1 ⁄ 2 5 5 1 ⁄ 2 6 008† 840 815 790 765 740 715 690 665 640 615 590 — — 008** 935 910 885 860 835 810 785 760 735 710 685 — — 009† 935 910 885 860 835 810 785 760 735 710 685 — — 01...

Page 20 - Table 9 — Fan Performance, 48TJ012 — Vertical Discharge Units; Table 10 — Fan Performance, 48TJ014 — Vertical Discharge Units; AIRFLOW

Table 9 — Fan Performance, 48TJ012 — Vertical Discharge Units AIRFLOW (Cfm) EXTERNAL STATIC PRESSURE (in. wg) 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 3000 592 0.76 661 0.93 722 1.09 779 1.26 829 1.42 880 1.58 924 1.73 97...

Page 22 - Table 13 — Fan Performance, 48TJ012 — Horizontal Discharge Units; Table 14 — Fan Performance, 48TJ014 — Horizontal Discharge Units

Table 13 — Fan Performance, 48TJ012 — Horizontal Discharge Units AIRFLOW (Cfm) EXTERNAL STATIC PRESSURE (in. wg) 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 3000 552 0.68 632 0.87 701 1.05 761 1.22 816 1.36 871 1.54 918 1.67...

Page 24 - Table 15 — Altitude Compensation*; Safety Relief —

Table 15 — Altitude Compensation* ELEVATION (Ft) 125,000, 180,000, AND 224,000 BTUH NOMINAL INPUT 250,000 BTUH NOMINAL INPUT Natural Gas Orifice Size† Liquid Propane Orifice Size† Natural Gas Orifice Size† Liquid Propane Orifice Size† 0-2,000 31 41 30 38 2,000 32 42 30 39 3,000 32 42 31 40 4,000 32 ...

Page 25 - Fig. 37 — Cleaning Condenser Coil

SERVICE When servicing unit, shut off all electrical power to unitto avoid shock hazard or injury from rotating parts. Cleaning — Inspect unit interior at the beginning of each heating and cooling season and as operating conditionsrequire.EVAPORATOR COIL — Clean coil as required. Inspect coilat begi...

Page 26 - 8TJ UNIT VOLTAGE

Condenser-Fan Adjustment (Fig. 40) 1. Shut off unit power supply.2. Remove condenser-fan assembly (grille, motor, motor cover, and fan) and loosen fan hub setscrews. 3. Adjust fan height as shown in Fig. 40.4. Tighten setscrews and replace condenser-fan assembly. Manual Outdoor-Air Damper — If outdo...

Page 28 - Table 16 — LED Error Code Description*; Main Burners —

Flue Gas Passageways — To inspect the flue col- lector box and upper areas of the heat exchanger:1. Remove the combustion blower wheel and motor assem- bly according to directions in Combustion-Air Blower sec-tion below. 2. Remove the flue cover to inspect the heat exchanger.3. Clean all surfaces as...

Page 29 - Replacement Parts —; A complete list of replace-; Fig. 45 — Burner Section Details

REMOVAL AND REPLACEMENT OF GAS TRAIN(Fig. 45 and 46)1. Shut off manual gas valve.2. Shut off power to unit.3. Slide out burner section side panel (not shown).4. Disconnect gas piping at unit gas valve.5. Remove wires connected to gas valve. Mark each wire.6. Remove wires from ignitor and sensor wire...

Page 30 - Fig. 47 — Spark Gap Adjustment

NOTE: Dimensions in ( ) are millimeters. Fig. 47 — Spark Gap Adjustment 125,000 BTUH INPUT 48TJD008,009 120,000-180,000 BTUH INPUT 48TJD012, 48TJE008,009 48TJD014; 48TJE012 48TJF008,009 48TJE014; 48TJF012 180,000-224,000 BTUH INPUT200,000-250,000 BTUH INPUT 30

Page 31 - TROUBLESHOOTING; Table 17 — LED Error Code Service Analysis

TROUBLESHOOTING Table 17 — LED Error Code Service Analysis PROBLEM CAUSE REMEDY Hardware failure.(LED OFF) Loss of power to control module (IGC). Check 5-amp fuse on IGC, power to unit, 24-v circuitbreaker, and transformer. Units without a 24-v circuitbreaker have an internal overload in the 24-v tr...

Page 32 - Table 18 — Durablade Economizer Troubleshooting

Table 18 — Durablade Economizer Troubleshooting PROBLEM CAUSE REMEDY Damper does notopen. Indoor (evaporator) fan is off. 1. Check to ensure that 24 vac is present at terminal C1 on the IFC or that 24 vac is present at the IFO terminal. Check whether 24 vac ispresent at PL6-1 (red wire) and/or PL6-3...

Page 33 - Table 19 — PARABLADE Economizer Service Troubleshooting; PROBLEM

Table 19 — PARABLADE Economizer Service Troubleshooting PROBLEM CAUSE REMEDY Damper does notopen. Evaporator fan not on. Check wiring between G on connection board and indoor (evaporator)fan contactor. No power to economizer motor. 1. Disconnect power at TR and TR1. Disconnect jumper across P and P1...

Page 34 - Table 20 — Cooling Service Troubleshooting

Table 20 — Cooling Service Troubleshooting PROBLEM CAUSE REMEDY Compressor andcondenser fanwill not start. Power failure. Call power company. Fuse blown or circuit breaker tripped. Replace fuse or reset circuit breaker. Defective thermostat, contactor, transformer, or controlrelay. Replace component...

Page 35 - Table 21 — Heating Service Troubleshooting; LEGEND AND NOTES FOR FIG. 48

Table 21 — Heating Service Troubleshooting PROBLEM CAUSE REMEDY Burners will notignite. Misaligned spark electrodes. Check flame ignition and sensor electrode positioning.Adjust as needed. No gas at main burners. Check gas line for air purge as necessary. After purginggas line of air, allow gas to d...

Page 36 - Fig. 48 — Typical Wiring Schematic and Component Arrangement

Fig. 48 — Typical Wiring Schematic and Component Arrangement 36

Page 40 - I. PRELIMINARY INFORMATION; ELECTRICAL

START-UP CHECKLIST (Remove and Store in Job File) I. PRELIMINARY INFORMATION MODEL NO.: DATE: SERIAL NO.: TECHNICIAN: II. PRE-START-UP (insert checkmark in box as each item is completed) M VERIFY THAT ALL PACKING MATERIALS HAVE BEEN REMOVED FROM UNIT M REMOVE SHIPPING TIE DOWN BANDS ON COMPRESSOR (S...