Trane RTAC Installation, Operation And Maintenance Manual
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Trane RTAC Installation, Operation And Maintenance Manual

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Installation, Operation, and Maintenance
Trane Rental Services
RTAC
Model Numbers: RTAC, CSCA
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.
May 2022
SAFETY WARNING
RTAC-SVX005A-EN

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  • Page 1 Installation, Operation, and Maintenance Trane Rental Services RTAC Model Numbers: RTAC, CSCA 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. Improperly installed, adjusted or altered equipment by an unqualified person could result in death or serious injury.
  • 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 injury or equipment damage. Trane, and may not be used or reproduced in whole or in System contains refrigerant and may be under part without written permission. Trane reserves the right to positive pressure;...

  • Page 4: Table Of Contents

    Decommissioning Procedure ....40 Electrical Connections..... 29 RTAC-SVX005A-EN...

  • Page 5: General Data

    F2-F4 RTAC's have jacks that are stored in a different position for shipping vs. The 155 to 500 ton (60 Hz) model RTAC units are helical- installation. These must be relocated on the chiller rotary type, aircooled liquid chillers, designed for outdoor uprights or rear trailer mounting location in order to installation.

  • Page 6: Model Number Description

    This alludes only to 300 and 400 ton chillers ability to be setup at the site by a single or dual electrical point. All other chillers under 300 tons are setup as a single point unit only. These plugs help seemlesly wire a TRS VFD to a rental chiller pump motor. RTAC-SVX005A-EN...

  • Page 7: Pre-Installation

    Air Vents Flow Meter Air vent(s) are located at high points in the Rental RTAC F2-F4 style machines are equipped with mechanical flow integral piping and/or evaporator to purge air from the meters placed in-line with the chiller piping to determine system.

  • Page 8: Dimensions And Weights

    Table 1. Unit weights (continued) Weights Chiller Max Unit Size Operational Trailer Dry Weight (Tons) Weight (lbs) Weight (lbs) RTAC assembly weights are provided in Table 1, p. (lbs) 28,000 28,900 14,760 Handling 35,800 36,900 14,760 Units 300 tons and larger are shipped on a flat bed trailer...
  • Page 9 Dimensions and Weights Figure 1. 155 tons RTAC (CSCA0155F0) RTAC-SVX005A-EN...
  • Page 10 Dimensions and Weights Figure 2. 155 tons RTAC (CSCA0155F2) RTAC-SVX005A-EN...
  • Page 11 Dimensions and Weights Figure 3. 155 tons RTAC (CSCA0155F3) RTAC-SVX005A-EN...
  • Page 12 Dimensions and Weights Figure 4. 170 tons RTAC (CSCA0170F0) RTAC-SVX005A-EN...
  • Page 13 Dimensions and Weights Figure 5. 170 tons RTAC (CSCA0170F2) RTAC-SVX005A-EN...
  • Page 14 Dimensions and Weights Figure 6. 200 tons RTAC (CSCA0200F0) RTAC-SVX005A-EN...
  • Page 15 Dimensions and Weights Figure 7. 200 tons RTAC (CSCA0200F2) RTAC-SVX005A-EN...
  • Page 16 Dimensions and Weights Figure 8. 200 tons RTAC (CSCA0200F3) RTAC-SVX005A-EN...
  • Page 17 Dimensions and Weights Figure 9. 250 tons RTAC (CSCA0250F0) RTAC-SVX005A-EN...
  • Page 18 Dimensions and Weights Figure 10. 250 tons RTAC (CSCA0250F2) RTAC-SVX005A-EN...
  • Page 19 Dimensions and Weights Figure 11. 250 tons RTAC (CSCA0250F3) RTAC-SVX005A-EN...
  • Page 20 Dimensions and Weights Figure 12. 300 tons RTAC (CSCA0300F0) RTAC-SVX005A-EN...
  • Page 21 Dimensions and Weights Figure 13. 300 tons RTAC (CSCA0300F2–F3) RTAC-SVX005A-EN...
  • Page 22 Dimensions and Weights Figure 14. 400 tons RTAC (CSCA0400F0) RTAC-SVX005A-EN...
  • Page 23 Dimensions and Weights Figure 15. 400 tons RTAC (CSCA0400F2–F3) RTAC-SVX005A-EN...
  • Page 24 Dimensions and Weights Figure 16. 500 tons RTAC (CSCA0500F0) RTAC-SVX005A-EN...
  • Page 25 Dimensions and Weights Figure 17. 500 tons RTAC (CSCA0500F2–F4) RTAC-SVX005A-EN...

  • Page 26: Installation - Mechanical

    Figure 18. Elbow installation for a vertical hose Use the following procedures to install/ minimize premature 45° Elbow or catastrophic failure of temporary chilled water hose Existing “Hard” Pipe provided by Trane Rental Services. For more information Coupling please refer to CHS-SVX01*-EN. CAUTION Flexible Hose Water Damage! Flexible hose can burst.

  • Page 27: Vertical Hose Installation

    These items cause excessive stress to be generated at the Horizontal to Vertical Installation hose-coupling interface, causing the hose to stretch and separate from the coupling. The following figures illustrate the correct and incorrect methods for installing hose in a horizontal and vertical combination application. RTAC-SVX005A-EN...

  • Page 28: Hard Pipe Guidelines

    Avoidance section in RF-PRB002*-EN. Leveling System Flow Sensor Each Trane Rental Services RTAC unit must be level to 1/4 inch over the length of the chiller. Level the chiller using An electronic flow sensor is installed on this RTAC unit near four manual jacks with attachments points located on the the outlet piping.

  • Page 29: Installation - Electrical

    300 and 400 Ton Electrical Connections Figure 29. Dual point configuration The F0-style 300 and 400 ton RTAC Rental chillers are configurable for single or dual point power. Units will ship in the dual point power configuration. These chillers have separate nameplates detailing electrical requirements for each configuration.

  • Page 30: Shore Point Power (115 Vac)

    Installation - Electrical Figure 30. Single point configuration with an extension cord. RTAC 155 to 250 ton units have one shore power enclosure. RTAC 300 to 500 ton units have two shore power enclosures. Note: The RTAC 300, 400, and 500 ton units have two circuits.

  • Page 31: Unit Voltage And Amperage Checks

    = Line Voltage that deviates the farthest from V Example: If the three voltages measured at the line voltage side of the circuit breaker are 453 volts, 470 volts, and 467 volts, the average (V ) would be: 453+470+467 = 463 volts RTAC-SVX005A-EN...

  • Page 32: Electrical Cable Box

    Note: For non cam-type connections pigtails are provided • Four (4) 100-foot or eight (8) 50-foot sections of 2/0 or (see “Pigtail,” p. 33). 4/0 awg cables Figure 32. Cam-type • Eight (8) 7-foot pigtail connector cables RTAC-SVX005A-EN...

  • Page 33: Field Installed Power Wiring

    NEC Note: All field installed wiring must conform to NEC requirements. Protection devices must be sized per the guidelines as well as State and Local codes. NEC according to the electrical data on the nameplate. RTAC-SVX005A-EN...

  • Page 34: Chilled Water Pump Performance And Operation

    Note: F2-F4 style chillers include optional on-board pump Each RTAC unit comes with a 460 Volt, 3 phase, 60 hertz, bypass piping. It is recommended that chiller centrifugal water pump permanently installed on the RTAC maintains control over pump (on-board or skid unit.

  • Page 35: Pre-Start Checkout

    1. Inspect all wiring connections. Connections should be clean and tight. external current limit setpoint are used, refer to RTAC- SVX01*EN and the unit wiring for further details. 2. Energize crank case and oil separator heaters 24 hours prior to start up.

  • Page 36: Shore Power

    Use the services of a qualified water treatment specialist to determine what water treatment, if any, is • Control power wiring isolated in control panel/starter required. Trane assumes no responsibility for enclosure. equipment failures which result from untreated or improperly treated water, or saline or brackish water.

  • Page 37: Start-Up

    Hazardous Service Procedures! power/cam connection panel, is turned on. Failure to follow all precautions in this manual and on Contact Trane Rental Services with any questions. the tags, stickers, and labels could result in death or serious injury. Checking Operating Conditions...
  • Page 38 Figure 35. Evaporator water pressure drop, 2-pass evaporator, 155 to 250 tons 155 Ton 170 Ton 200 Ton 250 Ton 1000 Flow Rate (GPM) Figure 36. Evaporator water pressure drop, 2-pass evaporator, 300 to 500 tons 300 Ton 400 Ton 500 Ton 2000 1000 Flow Rate (GPM) RTAC-SVX005A-EN...

  • Page 39: Final System Setup

    • Verify that all exterior panels including the control panel inadvertently energized. Verify with a CAT III or IV doors and condenser grilles are secured in place. voltmeter rated per NFPA 70E that all capacitors have discharged. RTAC-SVX005A-EN...

  • Page 40: Maintenance

    Turn evaporator heater switch, located on the shore power/cam connection panel, to OFF position. 7. Return hose, fittings or cables (if furnished by Trane Rental Services) to appropriate containers for return Note: Local codes and regulations apply for disposal of shipment.
  • Page 41 Notes RTAC-SVX005A-EN...
  • Page 42 Notes RTAC-SVX005A-EN...
  • Page 43 Notes RTAC-SVX005A-EN...
  • Page 44 For more information, please visit trane. com or tranetechnologies.com. Trane has a policy of continuous product and product data improvements and reserves the right to change design and specifications without notice. We are committed to using environmentally conscious print practices.

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