1. Manuals
  2. Brands
  3. Trane Manuals
  4. Heat Pump
  5. Precedent DSJ150
  6. Installation, operation and maintenance manual

Trane Precedent DSJ150 Installation, Operation And Maintenance Manual

Packaged rooftop air conditioners
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Installation, Operation, and Maintenance
Packaged Rooftop Air
Conditioners
Precedent™ Heat Pump
Standard Efficiency
12.5 to 25 Tons — 60 Hz
Model Numbers: WSJ150* - WSJ300*, DSJ150* - DSJ300*
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.
August 2023
SAFETY WARNING
PKGP-SVX010C-EN

Advertisement

Table of Contents
loading

Related Manuals for Trane Precedent DSJ150

Summary of Contents for Trane Precedent DSJ150

  • Page 1 Installation, Operation, and Maintenance Packaged Rooftop Air Conditioners Precedent™ Heat Pump Standard Efficiency 12.5 to 25 Tons — 60 Hz Model Numbers: WSJ150* - WSJ300*, DSJ150* - DSJ300* 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 This document and the information in it are the property of serious injury and equipment or property damage. Trane, and may not be used or reproduced in whole or in Do not store or use gasoline or other flammable part without written permission. Trane reserves the right to...
  • Page 4 Table of Contents Model Number Description ....6 Phase Monitor ......11 General Information .

  • Page 5: Table Of Contents

    Table of Contents Space Temperature Averaging ... . . 31 Condensate Overflow Switch ... 41 Cooling Season..... . . 41 Pre-Start .
  • Page 6 Model Number Description Digit 1 — Unit Function Digit 18 — Through-the-Base Provisions Digit 12, 13 — Service Sequence W = Packaged Heat Pump ** = Factory Assigned 0 = No Through-the-Base Provisions D = Dual Fuel Heat Pump A = Through-the-Base Electric B = Through-the-Base Gas Piping 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 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 Air Options Module. A diagnostic signal is sent to the controller if the pressure differential across the filters is at The nameplate for the compressors are located on the side least 0.5 inch w.c. The contacts will automatically open of the compressor.
  • Page 10 This sensor features single setpoint capability and timed will not be allowed to restart for a minimum of 3 minutes. override with override cancellation. It is used with a Trane Integrated Comfort™ building management system. If four consecutive open conditions occur during an active...
  • 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 Dimensional Data Figure 2. 12.5 to 15 tons standard efficiency INDOOR TOP PANEL COMPRESSOR SECTION CONTROL BOX SECTION ACCESS PANEL ACCESS PANEL EVAPORATOR SECTION OUTDOOR TOP PANEL ACCESS PANEL 3/4 NPT GAS CONNECTION 2" ELECTRICAL CONN SINGLE POINT POWER "T" MODELS ONLY CONDENSATE DRAIN 59"...
  • Page 14 Dimensional Data Figure 4. 12.5 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 15 Dimensional Data Figure 6. 12.5 to 25 tons standard efficiency – power exhaust 22.7 21.4 Figure 7. 12.5 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”...
  • Page 16 Dimensional Data Figure 8. 12.5 to 25 tons standard efficiency – roof curb 116 7/8” 1” 2969 MM 25 MM 1 13/16” 1” 46 MM 25 MM 1 1/2” (38 MM) PERIMETER 22 1/4” CURB FLANGE 565 MM 23 1/4” 1”...
  • Page 17 Dimensional Data Figure 10. 12 to 25 tons duel fuel standard efficiency - gas pipe height Note: Height of gas pipe required from inside unit base to gas shut off assembly (factory provided). Dimension A Model inch DSJ (150 – 300)* 1 3/6 Clearances capacity, and peak operating efficiency.
  • Page 18 Dimensional Data Weights Table 1. Model weights, corner weights (lbs) and center of gravity dimensions (in.) Model Weights Corner Weights Center of Gravity (in.) Tons Unit Model No. Shipping Length Width 12.5 WSJ150 2225 2005 WSJ180 2246 2026 WSJ240 2403 2183 WSJ300 2405...
  • Page 19 Dimensional Data Table 2. Factory installed options (FIOPS)/accessory net weights (lb) (continued) W/D*J150-180 W/D*J240-300 Accessory 12.5, 15 Tons 20, 25 Tons Stainless Steel Heat Exchanger Through-the-Base Electrical Through-the-Base Gas Unit Mounted Circuit Breaker Unit Mounted Disconnect Notes: Weights for options not listed are less than 5 pounds. Net weight should be added to unit weight when ordering factory-installed accessories.
  • Page 20 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 14.
  • Page 21 Installation Table 3. Clearance required from duct to combustible and installed by the installing contractor before the unit is surfaces set into place. Important: For sound consideration, cut only the holes in Clearance required from duct to Model Number the roof deck for the ductwork penetrations. combustible surfaces (inches) Do not cut out the entire roof deck within the WSJ150...
  • Page 22 Installation 4. Install a lifting bar, as shown in the Dimensions and ☐ Install and connect a condensate drain line to the Weights chapter, to protect the unit and facilitate a evaporator drain connection. uniform lift. The minimum distance between the lifting Factory Installed Economizer hook and the top of the unit should be 7 feet.
  • Page 23 Installation Figure 18. Vent hood shipping location For detailed instructions, refer to “TCO1 Instructions,” p. Table 4. TCO1 tripping values – two-stage gas Unit Model TCO1 Tripping Values - Tons Number Downflow/Horizontal DSJ150***(0,A)L 135°F-3"/155°F-3" DSJ150***(0,A)M 12.5 140°F-3"/160°F-3" DSJ150***(0,A)H 160°F-3"/170°F-3" DSJ180***(0,A)L 140°F-3"/150°-7"...
  • Page 24 Installation TCO1 shipped with the unit which is attached to the 4. Replace heat section access panel. installed TCO1 limit switch (12.5 to 25 tons) for horizontal operation. Figure 20. TCO1 instructions Additional TCO1 limit switch to be used for horizontal discharge field conversion Location of TCO1 limit to be installed...
  • Page 25 Installation degrees and confirm the holes on the aluminium 5. Use the remaining two screws and bracket removed in sensing tube face away from the unit and face the step 2, secure the bottom bracket. return air ductwork. Air-Fi® Wireless Communication Note: Refer to horizontal views below of the 12.5 to 25 ton units.
  • Page 26 Start-up, Shutdown and Maintenance refer to “Gas Trane or others, refer to the appropriate Heat Operation and Maintenance,” p. manufacturer’s literature for allowable waiting periods for discharge of capacitors. Verify with a CAT III or IV 1.
  • Page 27 Installation Figure 27. Through-the-base gas pipe assembly for For detailed through-the-base gas Installation instructions, DSJ(150-300)* refer to the Through-the-Base Gas Piping 3 to 25 Tons Gas/Electric Packaged Units Installation Instructions (ACC- SVN17*-EN) provided with through-the-base gas installation kit. See Detail A Requirements of Gas Heat The unit gas train and optional through-the-base gas shut- off valve are rated at 0.50 PSIG maximum.
  • Page 28 Installation A condensate trap must be installed at the unit due to the Note: Do not operate the unit without filters. drain connection being on the negative pressure side of the fan. Install the p-trap using the guidelines in . Field Installed Power Wiring A condensate drain line must be connected to the p-trap.
  • Page 29 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 30 Installation locations provided on the unit and Table 9, p. 31 for AC Note: Check all loads and conductors for grounds, conductor sizing guidelines, and; shorts, and mis-wiring. 1. Use copper conductors unless otherwise specified. 3. Do not run the AC low voltage wiring in the same conduit with the high voltage power wiring.

  • Page 31: Space Temperature Averaging

    Installation DC Conductors Table 9. Recommended wire lengths Table 10. Zone sensor module wiring Maximum recommended wire Wire Size length from unit controller to Distance from Unit to Control Recommended Wire Size sensor 22 gauge 0 - 150 feet Meters Feet 0 - 45.7 m 0.33 mm...
  • Page 32 Installation Figure 31. Examples Note: Wiring pin numbers are for reference only. There are Table 11. Temperature vs. resistance (continued) multiple smoke detector systems that could have Temperature differently numbered pins. For correct wiring details, Nominal Resistance refer to the specific smoke detector, ship-with (kOhms) Degrees °F Degrees °C...
  • Page 33 Installation Table 11. Temperature vs. resistance (continued) Table 13. Iron pipe size (SI) millimeters Temperature Iron Pipe Size (SI) Millimeters Nominal Resistance (kOhms) Degrees °F Degrees °C Length of 15 mm 20 mm 25 mm 32 mm 40 mm Pipe Pipe Pipe Pipe...

  • Page 34: Pre-Start

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

  • Page 35: Compressor Crankcase Heaters

    Pre-Start WARNING switch or circuit protection switch and remove the phase sequence indicator. Hazardous Voltage w/Capacitors! Failure to disconnect power and discharge capacitors Compressor Crankcase Heaters before servicing could result in death or serious injury. • Each compressor can be equipped with a crankcase Disconnect all electric power, including remote heater (Some units include crankcase heater as disconnects and discharge all motor start/run...
  • Page 36 Pre-Start troubleshooting. The user can initiate Service Test Mode determine how long the controller will remain in any given through the controller user interfaces, including the Symbio state once initiated. For detailed information on how each Service and Installation mobile application. Service Test State is interpreted based on the equipment configuration, see ACC-APG002*-EN, Symbio™...

  • Page 37: Unit Start-Up

    Unit Start-Up Sequence of Operation 700 de-energizes the indoor blower at the end of the selected indoor blower-off delay See ACC-APG002*-EN, Application Guide, Symbio™ 700 Note: For complete Gas Heat User information, Operation, Controller with Precedent™ Packaged Rooftop Air- Start-up, Shutdown and Maintenance refer to “Gas Conditioners.

  • Page 38: Ignition And Operational Failures

    Unit Start-Up 5. Burners ignite and cross light. Flame is sensed and position, and the inducer is operated for a post purge control continues the heating cycle. period of 60 seconds [P P u u r r ]. 6. Control enters a Warm-up period [H H E E A A ] that allows for 17.

  • Page 39: Return Air Smoke Detector

    Unit Start-Up Display Code Code Type Description Additional Comments and Notes A A 0 0 1 1 Alert Failed ignition attempt A A 0 0 2 2 Alert Lost Flame Ignition was successful but then flame disappeared. A A 0 0 3 3 Alert Insufficient Combustion Air Blocked vent with actuator position derated by >20%...

  • Page 40: Hot Gas Reheat

    Unit Start-Up Gas Heat Units previous component start-up or until the desired start- up component test is started. 1. Open the main disconnect switch to shut the unit off. 2. After the compressor and condenser fan have started 2. Follow the Test Guide in Figure 33, p.

  • Page 41: Maintenance

    Maintenance Condensate Overflow Switch WARNING Hazardous Service Procedures! During maintenance, the switch float (black ring) must be checked to confirm 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 42: Coil Cleaning

    Maintenance terminal connections, as well as damaged wire 2. Protect all electrical devices such as motors and insulation. Make any necessary repairs. controllers from any over spray. • Verify the electric heat system operates properly. 3. Straighten any bent coil fins with a fin comb. 4.

  • Page 43: Annual Maintenance

    Maintenance Hot Gas Reheat Additional Oil 2. When recharging the unit after servicing, replace the amount of oil removed, as measured in step 1. Verify oil NOTICE added is the correct type. Compressor Damage! 3. For compressor replacements and/or additional questions, contact Technical Support.

  • Page 44: Troubleshooting

    Troubleshooting Refer to the Application Guide Symbio™ 700 Controller with Precedent™ Packaged Rooftop Air-Conditioners (ACC-APG002*-EN). PKGP-SVX010C-EN...

  • Page 45: 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 17. Wiring diagrams Drawing Schematic Type Voltage Description Controls Number SCHEMATIC; SHEET 1, POWER, DUAL COMPRESSOR, DUAL Symbio 700 Main Unit 12134334...
  • Page 46 Wiring Diagrams Table 17. 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 47: Piping Diagrams

    Piping Diagrams OUTDOOR TXV CHECK VALVE INDOOR TXV CHECK VALVE PKGP-SVX010C-EN...
  • Page 48 Piping Diagrams OUTDOOR TXV CHECK VALVE INDOOR TXV CHECK VALVE PKGP-SVX010C-EN...
  • Page 49 Piping Diagrams OUTDOOR TXV CHECK VALVE INDOOR TXV CHECK VALVE PKGP-SVX010C-EN...
  • Page 50 Piping Diagrams OUTDOOR TXV CHECK VALVE INDOOR TXV CHECK VALVE PKGP-SVX010C-EN...
  • Page 51 Piping Diagrams OUTDOOR TXV CHECK VALVE INDOOR TXV CHECK VALVE PKGP-SVX010C-EN...
  • Page 52 Piping Diagrams OUTDOOR TXV CHECK VALVE INDOOR TXV CHECK VALVE PKGP-SVX010C-EN...

  • Page 53: Gas Heat Operation And Maintenance

    Gas Heat Operation and Maintenance Gas Heat Unit General WARNING Information Safety Hazards! Failure to follow instructions below could result in WARNING death or serious injury. Hazard of Explosion or Fire! • Never perform any maintenance procedures until Failure to follow instructions could result in death or the electrical power to the unit is turned off.

  • Page 54: Air Filters

    Gas Heat Operation and Maintenance Notes: Table 18. Recommended standard filters • Single zone VAV is designed to be used with a Filter Size Unit Model Tons zone sensor. If a unit is configured for Single (L x W x D) Number zone VAV operation but is connected to a DSJ150***(0,A,B)(L,M,H)

  • Page 55: Heating System Shutdown

    Do not use any phone in your building. or other energy storing components provided by • Open windows and doors. Trane or others, refer to the appropriate • Alert others and evacuate building immediately. manufacturer’s literature for allowable waiting periods for discharge of capacitors.

  • Page 56: Turning Off Gas To Unit

    Hazard of Explosion or Fire! equipment damage. Failure to follow instructions could result in death or Drain and vent coils when not in use. Trane serious injury and equipment or property damage. recommends glycol protection in all possible freezing Do not store or use gasoline or other flammable applications.

  • Page 57: Condensate Overflow Sensor

    Gas Heat Operation and Maintenance Condensate Overflow Sensor (Optional) If installed, the condensate overflow switch will shut down the unit before a drain pan overflow occurs. PKGP-SVX010C-EN...

  • Page 58: Limited Warranty

    WSJ/DSJ 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 59 Notes PKGP-SVX010C-EN...
  • 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.

This manual is also suitable for:

Precedent dsj300

Table of Contents