Trane Precedent TSJ072A Installation, Operation And Maintenance Manual
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Trane Precedent TSJ072A Installation, Operation And Maintenance Manual

Packaged rooftop air conditioners
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Installation, Operation, and Maintenance
Packaged Rooftop Air
Conditioners
Precedent™ Cooling and Electric
Heat
Standard Efficiency
6 to 25 Tons – 60 Hz
Model Numbers: TSJ072A - TSJ300A
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning equipment
can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified person could result in death or
serious injury. When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that are attached to the equipment.
September 2022
SAFETY WARNING
RT-SVX070B-EN

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  • Page 1 Installation, Operation, and Maintenance Packaged Rooftop Air Conditioners Precedent™ Cooling and Electric Heat Standard Efficiency 6 to 25 Tons – 60 Hz Model Numbers: TSJ072A - TSJ300A SAFETY WARNING Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and training.
  • Page 2 (HCFCs). Not all refrigerants containing these compounds bump cap, fall protection, electrical PPE and arc have the same potential impact to the environment. Trane flash clothing). ALWAYS refer to appropriate advocates the responsible handling of all refrigerants-...
  • Page 3 Follow EHS Policies! This document and the information in it are the property of Trane, and may not be used or reproduced in whole or in Failure to follow instructions below could result in part without written permission. Trane reserves the right to death or serious injury.
  • Page 4 Table of Contents Model Number Description ....6 Smoke Detector Sensor (Optional) ..11 Phase Monitor .

  • Page 5: Table Of Contents

    Table of Contents Electrical Phasing (Three Phase Condensate Overflow Switch ... 48 Cooling Season..... . . 48 Motors).
  • Page 6 Model Number Description Digit 1 — Unit Function Digit 18 — Through-the-Base Provisions Digit 12, 13 — Service Sequence T = DX Cooling ** = Factory Assigned 0 = No Through-the-Base Provisions A = Through-the-Base Electric Digit 2 — Cooling Efficiency Digit 14 —...
  • Page 7 Model Number Description Digit 25— System Monitoring Controls 0 = No Monitoring Control 1 = Clogged Filter Switch 2 = Condensate Overflow Switch 3 = Discharge Air Sensing Tube 4 = Clogged Filter Switch and Condensate Overflow Switch 5 = Clogged Filter Switch and Discharge Air Sensing Tube 6 = Condensate Overflow Switch and Discharge Air Sensing Tube...
  • Page 8 General Information Unit Inspection Note: Do not use the unit’s heater for temporary heat without first completing the start-up. To protect against loss due to damage incurred in transit, The manufacturer will not assume any responsibility for perform inspection immediately upon receipt of the unit. equipment damage resulting from condensate Check carefully for shipping damage.
  • Page 9 General Information Compressor Nameplate when the pressure differential across the filters decreases to approximately 0.4 inch w.c. The clogged filter output is The nameplate for the compressors are located on the side energized when the supply fan is operating and the of the compressor.
  • Page 10 This sensor features single setpoint capability and timed required to restart the compressor. override with override cancellation. It is used with a Trane Integrated Comfort™ building management system. High Pressure Control Remote Zone Sensor (BAYSENS016*) The high pressure controls are wired in series between the compressor outputs on the Symbio™...
  • Page 11 General Information Touch Screen Programmable Zone Notes: Sensor (BAYSENS800) • The supply air smoke detector samples supply air. The return smoke detectors sample return This sensor uses a BACnet® MS/TP link to communicate air. The smoke detectors are designed to shut zone temperature and setpoints.
  • Page 12 Pre-Installation WARNING • Use a NIOSH approved dust/mist respirator. • Avoid contact with the skin or eyes. Wear long-sleeved, Fiberglass Wool! loose-fitting clothing, gloves, and eye protection. Exposure to glass wool fibers without all necessary • Wash clothes separately from other clothing: rinse PPE equipment could result in cancer, respiratory, washer thoroughly.
  • Page 13 Dimensions and Weights Dimensional Data Figure 2. 6 to 10 tons standard efficiency TOP PANEL CONTROL PANEL ACCESS CONDENSER FAN EVAPORATOR SECTION ACCESS PANEL 50-7/8" [1293] ALTERNATE CONDENSATE CONNECTION 3/4 - 14 NPT DIA. HOLE 27-5/8" [700] 47-7/8" [1217] UNIT CONTROL WIRE 88-1/8"...
  • Page 14 Dimensions and Weights Figure 4. 6 to 10 tons standard efficiency – horizontal airflow supply/return 3-7/4" [97] 9-3/8" [237] 16-3/4" 32-1/4" [426] [820] 19-1/4" [490] 32-1/4" [820] 27-5/8" [700] 3/4 -14 NPT DIA. HOLE CONDENSATE DRAIN 4-1/4" [109] Figure 5. 6 to 10 tons standard efficiency — unit clearance and roof opening CLEARANCE HORIZONTAL FLOW - 18”...
  • Page 15 Dimensions and Weights Figure 6. 6 to 10 tons standard efficiency – roof curb 46 3/8” 18 1/4” 1178 MM 1” 470 MM 34 3/8” 25 MM 6 5/8” 873 MM 168 MM 80 1/2” 18 1/2” 14” 2045 MM 470 MM 355 MM 1”...
  • Page 16 Dimensions and Weights Figure 8. 6 to 10 tons standard efficiency – swing diameter for hinged door(s) option 17” 432 MM 21 3/8” 543 MM Applicable to Y_C models only 34 5/8” 879 MM Figure 9. 12.5 tons standard efficiency INDOOR TOP PANEL CONTROL BOX SECTION ACCESS PANEL...
  • Page 17 Dimensions and Weights Figure 10. 12.5 tons standard efficiency – downflow airflow supply/return, through-the-base utilities 3 5/8” 92 MM 9 7/8” 251 MM 17 1/2” 17 1/2” 444 MM 444 MM 4” 102 MM SUPPLY RETURN 33” 32 1/8” 838 MM 816 MM THROUGH THE BASE ELECTRICAL...
  • Page 18 Dimensions and Weights Figure 12. 12.5 tons standard efficiency – unit clearance and roof opening CLEARANCE HORIZONTAL FLOW - 18” (457 MM) CLEARANCE 36” (914 MM) DOWNFLOW 36” (914 MM) TYPICAL ROOF OPENING CLEARANCE FROM TOP OF UNIT 72” 46” 46”...
  • Page 19 Dimensions and Weights Figure 14. 12.5 tons standard efficiency – swing diameter for hinged door(s) option 11" [279] 17-3/8" 21-3/4" [443] [554] 35" [890] Figure 15. 6 to 12.5 tons standard efficiency – economizer, manual or motorized fresh air damper ECONOMIZER HOOD BAROMETRIC RELIEF HOOD 7-3/4"...
  • Page 20 Dimensions and Weights Figure 16. 6 to 12.5 tons standard efficiency – power exhaust ECONOMIZER HOOD 5-5/8" [144] 20-1/2" [520] RT-SVX070B-EN...
  • Page 21 Dimensions and Weights Figure 17. 15 to 25 tons standard efficiency – power exhaust 22.7 21.4 Figure 18. 15 to 25 tons standard efficiency GAS CONNECTION 3/4 NPT (280, 320, 400 MBh) INDOOR TOP PANEL CONTROL BOX SECTION ACCESS PANEL 2"...
  • Page 22 Dimensions and Weights Figure 19. 15 to 25 tons standard efficiency – downflow airflow supply/return, through-the-base utilities 7" 14 3/8" 40" 19 3/8" 177 MM 365 MM 1002MM 488MM 6 5/8'' 167 MM 14 7/16" 365MM 73 5/8" 65" 1868MM 1652MM 8 3/8"...
  • Page 23 Dimensions and Weights Figure 21. 15 to 25 tons standard efficiency – unit clearance and roof opening CLEARANCE 36” 914 MM UNIT OUTLINE CLEARANCE 68” 1727 MM CLEARANCE FORM TOP OF UNIT 72” MM (1829 MM) ROOF 76 1/2” OPENING 1943 MM CLEARANCE 48”...
  • Page 24 Dimensions and Weights Figure 23. 15 to 25 ton standard efficiency – swing diameter for hinged door(s) option 30" 32" 754MM 809MM 36" 907MM RT-SVX070B-EN...
  • Page 25 Dimensions and Weights Clearances capacity, and peak operating efficiency. Providing less than the recommended clearances may result in condenser coil Figure 24, p. 25 illustrates the minimum operating and starvation, “short-circuiting” of exhaust and economizer service clearances for either a single or multiple unit airflows, or recirculation of hot condenser air.
  • Page 26 Dimensions and Weights Weights Table 1. Maximum unit, corner weights (lbs) and center of gravity dimensions (in.) Maximum Model Weights Corner Weights Center of Gravity (in.) Tons Unit Model No. Length Shipping Width TSJ072 1007 TSJ090 1011 TSJ102 1027 TSJ120 1037 12.5 TSJ150...
  • Page 27 Dimensions and Weights Table 2. Factory installed options (FIOPS)/accessory net weights (lb) (continued) TSJ072-120 TSJ150 TSJ180-300 Accessory 6, 7.5, 8.5, 10 Tons 15, 17.5, 20, 25 Tons 12.5 Tons Unit Mounted Disconnect Notes: Weights for options not listed are <5 lbs. Net weight should be added to unit weight when ordering factory-installed accessories.
  • Page 28 Installation Ductwork WARNING Heavy Object! Supply and return air openings as viewed from the rear of the unit are shown in the following drawings. Failure to follow instructions below could result in unit dropping which could result in death or serious Figure 28.
  • Page 29 Installation Figure 30. 15 to 25 ton standard efficiency – Figure 32. 12.5 tons standard efficiency – downflow horizontal airflow supply/return airflow supply/return, through-the-base utilities 3 5/8” 92 MM 9 7/8” 251 MM 17 1/2” 17 1/2” 444 MM 444 MM 4”...
  • Page 30 Installation Roof Curb Figure 34. View for base to roof curb alignment on C.0 cabinet on a 50" x 84" roof curb Downflow The roof curbs for these units consists of a “full perimeter” enclosure to support the unit just inside of the unit base rail. The 12.5 ton standard efficiency units contain a support base alignment rail and will extend past the end of the roof curb as shown in figures below...
  • Page 31 Installation 1. Confirm unit does not need additional moves by fork lift. Figure 37. Fork pockets — 12.5 ton standard efficiency units 2. Prepare unit for rigging as follows: • 6 to 12.5 ton units: Remove all drill screws fastening wood protection to metal base rail. Remove all screws securing wooden protection to wooden top crate.
  • Page 32 Installation • Check the unit for shipping damage and material Figure 39. Supply duct cover shortage; file a freight claim and notify appropriate sales representative. • Verify correct model, options and voltage from unit nameplate. • Verify that the installation location of the unit will provide the required clearance for proper operation.
  • Page 33 Installation Return Air Smoke Detector Figure 43. Horizontal bracket installation (top view of unit) The factory installed Return Air Smoke Detector is installed in the downflow discharge position for TSJ180-300* models. No additional field setup is required. If a unit is to be converted to horizontal discharge for the TSJ180-300* models, the following conversion must be performed: 1.
  • Page 34 For variable frequency drives dowflow or other energy storing components provided by Trane or others, refer to the appropriate manufacturer’s literature for allowable waiting periods for discharge of capacitors. Verify with a CAT III or IV voltmeter rated per NFPA 70E that all capacitors have discharged.
  • Page 35 Installation 7. Slide the condensate drain pan back into the unit, align color-coded, weather-proof, multi-wire cable according to the drain support with the grommeted opening in the the field wiring instructions. rear support panel and push until the support is seated Note: Refer to thermostat or zone sensor wire installation in the grommet.
  • Page 36 Installation Field Installed Power Wiring WARNING Hazardous Voltage! WARNING Failure to disconnect power before servicing could Proper Field Wiring and Grounding result in death or serious injury. Required! Disconnect all electric power, including remote Failure to follow code could result in death or serious disconnects before servicing.
  • Page 37 Installation Field-Installed Control Wiring WARNING Hazardous Voltage! WARNING Failure to disconnect power before servicing could Hazardous Voltage! result in death or serious injury. Failure to disconnect power before servicing could Disconnect all electric power, including remote result in death or serious injury. disconnects before servicing.
  • Page 38 Installation Figure 48. Low voltage wiring — B cabinet Figure 49. Low voltage wiring — C cabinet RT-SVX070B-EN...
  • Page 39 Installation Figure 50. Low voltage wiring — D cabinet Figure 51. Main control panel low voltage wiring —B/C/D cabinet Table 4. Recommended wire lengths Table 4. Recommended wire lengths (continued) Maximum recommended wire Maximum recommended wire Wire Size length from unit controller to Wire Size length from unit controller to sensor...
  • Page 40 Installation Controls using DC Analog Input/Outputs Table 5. Zone sensor module wiring (continued) (Standard Low Voltage Multi conductor Distance from Unit to Control Recommended Wire Size Wire) 18 gauge 241 -385 feet Before installing any connecting wiring between the unit 73.5 - 117.3 m 0.75 mm and components utilizing a DC analog input\output signal,...
  • Page 41 Installation Figure 52. Examples Note: Wiring pin numbers are for reference only. There are multiple smoke detector systems that could have differently numbered pins. For correct wiring details, please refer to the specific smoke detector literature that accompanied this unit. RT-SVX070B-EN...
  • Page 42 Installation Table 6. Temperature vs. resistance Table 6. Temperature vs. resistance (continued) Temperature Temperature Nominal Resistance Nominal Resistance (kOhms) (kOhms) Degrees °F Degrees °C Degrees °F Degrees °C -28.9 170.1 45° 22.85 -26.1 143.5 50° 10.0 19.96 -23.3 121.4 55° 12.8 17.47 -20.6...

  • Page 43: Electrical Phasing

    Pre-Start Use the checklist provided below in conjunction with the Excessive three phase voltage imbalance between phases “General Unit Requirements” checklist to ensure that the will cause motors to overheat and eventually fail. The unit is properly installed and ready for operation. maximum allowable voltage imbalance is 2 percent.

  • Page 44: Compressor Crankcase Heaters

    Pre-Start Compressor Crankcase Heaters WARNING Hazardous Voltage w/Capacitors! Each compressor can be equipped with a crankcase heater (On some units the crankcase heater comes standard). Failure to disconnect power and discharge capacitors The proper operation of the crankcase heater is important before servicing could result in death or serious to maintain an elevated compressor oil temperature during injury.
  • Page 45 Pre-Start appropriate outputs. A user-selected timeout value will configuration, see ACC-APG002*-EN, Symbio 700 for determine how long the controller will remain in any given Precedent Packaged Rooftop Air-Conditioners Application state once initiated. For detailed information on how each Guide. Service Test State is interpreted based on the equipment’s Figure 53.

  • Page 46: Unit Start-Up

    Unit Start-Up Sequence of Operation disconnect switch to the “Off” position or proceed to the next component start-up procedure. Remove See ACC-APG002*-EN, Application Guide, Symbio™ 700 electromechanical test mode connections (if Controller with Precedent™ Packaged Rooftop Air- applicable). Conditioners. Hot Gas Reheat Return Air Smoke Detector WARNING The return air smoke detector is designed to shut off the...
  • Page 47 Unit Start-Up WARNING • Close the main disconnect switch or circuit protector switch that provides the supply power to the unit’s Safety Alert! terminal block or the unit mounted disconnect switch. Failure to follow instructions below could result in death or serious injury. In addition to the following tasks, you MUST: •...

  • Page 48: Maintenance

    Maintenance Condensate Overflow Switch WARNING Hazardous Service Procedures! During maintenance, the switch float (black ring) must be checked to ensure free movement up and down. Failure to follow all precautions in this manual and on the tags, stickers, and labels could result in death or Cooling Season serious injury.

  • Page 49: Coil Cleaning

    Maintenance Microchannel (MCHE) Coils terminal connections, as well as damaged wire insulation. Make any necessary repairs. NOTICE • Verify that the electric heat system operates properly. Coil Damage! Coil Cleaning Failure to follow instructions below could result in coil damage. Regular coil maintenance, including annual cleaning, DO NOT use any detergents with microchannel enhances the unit’s operating efficiency by minimizing the...
  • Page 50 Maintenance 3. For compressor replacements and/or additional questions, contact Technical Support. RT-SVX070B-EN...

  • Page 51: Annual Maintenance

    Maintenance Annual Maintenance Final Process Clean and repaint any corroded surface. For future reference, record the unit data below in the blanks provided. Table 7. Unit data log Complete Unit Model Number Unit Serial Number Wiring Diagram Numbers (from unit control panel) Connections Schematics Table 8.

  • Page 52: Troubleshooting

    Troubleshooting See ACC-APG002*-EN, Application Guide, Symbio™ 700 Controller with Precedent™ Packaged Rooftop Air- Conditioners. RT-SVX070B-EN...

  • Page 53: Wiring Diagrams

    Wiring Diagrams Note: Wiring diagrams can be accessed using e-Library by number search field or by contacting technical entering the diagram number in the literature order support. Table 9. Wiring diagrams Drawing Schematic Type Voltage Description Controls Number SCHEMATIC; SHEET 1, POWER, DUAL COMPRESSOR, DUAL Symbio 700 Main Unit 12134334...
  • Page 54 Wiring Diagrams Table 9. Wiring diagrams (continued) Drawing Schematic Type Voltage Description Controls Number Symbio 700 LABEL; FUSE TABLE Main Unit X39004322 Component Location Symbio 700 12134449 DIAGRAM; COMPONENT LOCATION, COOLING/ELECTRIC, B CABINET Component Location Symbio 700 DIAGRAM; COMPONENT LOCATION, GAS, B CABINET 12134450 Component Location Symbio 700...

  • Page 55: Piping Diagrams

    Piping Diagrams RT-SVX070B-EN...
  • Page 56 Piping Diagrams RT-SVX070B-EN...
  • Page 57 Piping Diagrams RT-SVX070B-EN...
  • Page 58 Piping Diagrams RT-SVX070B-EN...

  • Page 59: Limited Warranty

    TSJ Precedent Models MERCHANTABILITY AND FITNESS FOR PARTICULAR USE, AND IN NO EVENT SHALL WARRANTOR BE This warranty is extended by Trane to the original LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL purchaser and to any succeeding owner of the real DAMAGES.
  • Page 60 For more information, please visit trane.com or americanstandardair.com. Trane and American Standard have a policy of continuous product and product data improvement and reserve the right to change design and specifications without notice. We are committed to using environmentally conscious print practices.

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Precedent tsj300a

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