Trane CenTraVac CVHE Installation, Operation And Maintenance Manual
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Trane CenTraVac CVHE Installation, Operation And Maintenance Manual

Water-cooled chillers
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Installation, Operation, and Maintenance
CenTraVac™ Water-cooled Chillers
Models CVHE, CVHF, and CVHG
With Symbio™ Controls
Model: CVHE
Model: CVHF
Model: CVHG
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.
December 2023
SAFETY WARNING
CVHE-SVX005C-EN
X39641427003

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Summary of Contents for Trane CenTraVac CVHE

  • Page 1 Installation, Operation, and Maintenance CenTraVac™ Water-cooled Chillers Models CVHE, CVHF, and CVHG With Symbio™ Controls Model: CVHE Model: CVHF Model: CVHG X39641427003 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 POE-based compressor oils. Disassembly and Reassembly Always verify proper refrigerant and oil for your When a new chiller is shipped and received from our Trane chiller. Do NOT mix refrigerants and oils. manufacturing location and, for any reason, it requires disassembly or partial disassembly, and reassembly—...
  • Page 4 This document and the information in it are the property of rupture guard. Trane, and may not be used or reproduced in whole or in part without written permission. Trane reserves the right to • Updated Appendix E table.

  • Page 5: Table Of Contents

    Table of Contents Unit Nameplate ......8 Waterbox Locations ..... . . 35 Grooved Pipe Coupling .
  • Page 6 Electrical Requirements ....56 Trane-supplied Starter Wiring ....57 General Requirements .
  • Page 7 Condenser ......92 and Request for Trane Service ....98 Evaporator .

  • Page 8: Unit Nameplate

    Unit Nameplate The unit nameplate is located on the left side of the control Figure 1. Typical unit nameplate panel. A typical unit nameplate is illustrated in the following figure and contains the following information: • Unit Model and Size Descriptor •...

  • Page 9: Model Number Descriptions

    Model Number Descriptions Digit 1, 2, 3 — Unit Function Digit 32 — Auxiliary Condenser Tubes Digit 4 — Development Sequence Digit 33 — Orifice Size Digit 5, 6, 7 — Nominal Tonnage Digit 34 — Orifice Size Digit 8 — Unit Voltage Digit 35 —...

  • Page 10: Pre-Installation

    9 gallons (34.1 L) of oil. If no mechanical ventilation. oil level is visible, contact your local Trane sales office. • Audible and visual alarms, activated by the refrigerant...
  • Page 11 Meet foundation requirements • Safety chains Rigging • Rigging shackles • Lifting beam • Trane will perform or have direct on-site supervision of Disassembly/Reassembly the disassembly and (as required) reassembly work (contact your local Trane office for pricing) • Isolation pads or spring isolators •...

  • Page 12: Storage Requirements

    Start-up must be performed by Trane or an agent of Trane specifically authorized to perform start-up and warranty of Trane® products. Contractor shall provide Trane (or an agent of Trane specifically authorized to perform start-up) with notice of the scheduled start-up at least two weeks prior to the scheduled start-up.
  • Page 13 If the chiller will be stored for more than six months after production, contact your local Trane Service Agency for required extended storage actions to minimize impact to the chiller and preserve the warranty.

  • Page 14: Unit Components

    Pre-Installation Unit Components Figure 3. Typical CVHF CenTraVac™ chiller Note: The control panel side of the unit is always designated as the front side of the unit. 1. Suction Elbow 2. Compressor 3. Terminal Box 4. Control Panel 5. Condenser 6.

  • Page 15: Unit Clearances And Weights

    Unit Clearances and Weights Recommended Unit Clearances • Use a housekeeping pad to provide better service clearances; refer to submittal for more information. Adequate clearances around and above the chiller are Per National Electric Code (NEC) Article 110: Unit mounted required to allow sufficient access for service and starters from 0 to 600V require a 42 inch (107 cm) maintenance operations.

  • Page 16: General Weights

    Note: All dimensions are approximate; refer to the unit submittal package for exact dimensions for your unit. General Weights Weights (lb) Important: The weight information provided here should be used for general information only. Trane does not recommend using this weight information for considerations relative to chiller handling, rigging, or placement. The large number of...
  • Page 17 Unit Clearances and Weights Table 2. Representative weights, 60 Hz chillers (lb) Weights without Starters Weights with Starters Comp Size Evap Size Cond Size Model CPKW Operating Shipping Operating Shipping NTON EVSZ CDSZ 14828 13469 — — 230–320 032S 032S —...
  • Page 18 Unit Clearances and Weights Table 2. Representative weights, 60 Hz chillers (lb) (continued) Weights without Starters Weights with Starters Comp Size Evap Size Cond Size Model CPKW Operating Shipping Operating Shipping NTON EVSZ CDSZ 350–570 050S 050S 20487 17984 22167 19664 350–570 050S...
  • Page 19 Unit Clearances and Weights Table 3. Representative weights, 50 Hz chillers (lb) Weights without Starters Weights with Starters Comp Size Evap Size Cond Size Model CPKW Operating Shipping Operating Shipping NTON EVSZ CDSZ 14785 13426 — — 190–320 032S 032S —...

  • Page 20: Weights (Kg)

    Supplemental Motor Protection (SMP) option, add 500 lb. Weights (kg) Important: The weight information provided here should be used for general information only. Trane does not recommend using this weight information for considerations relative to chiller handling, rigging, or placement. The large number of...
  • Page 21 Unit Clearances and Weights Table 4. Representative weights, 60 Hz chillers (kg) Weights without Starters Weights with Starters Comp Size Evap Size Cond Size Model CPKW Operating Shipping Operating Shipping NTON EVSZ CDSZ 6726 6109 — — 230–320 032S 032S —...
  • Page 22 Unit Clearances and Weights Table 4. Representative weights, 60 Hz chillers (kg) (continued) Weights without Starters Weights with Starters Comp Size Evap Size Cond Size Model CPKW Operating Shipping Operating Shipping NTON EVSZ CDSZ 350–570 050S 050S 9293 8157 10055 8919 350–570 050S...
  • Page 23 Unit Clearances and Weights Table 5. Weights, 50 Hz chillers (kg) Weights without Starters Weights with Starters Comp Size Evap Size Cond Size Model CPKW Operating Shipping Operating Shipping NTON EVSZ CDSZ 6706 6090 — — 190–320 032S 032S — —...
  • Page 24 Unit Clearances and Weights Table 5. Weights, 50 Hz chillers (kg) (continued) Weights without Starters Weights with Starters Comp Size Evap Size Cond Size Model CPKW Operating Shipping Operating Shipping NTON EVSZ CDSZ 480–565 050S 050S 10096 8957 10349 9210 480–565 050S 050L...

  • Page 25: Installation: Mechanical

    Heavy Object! protected from freezing. Freeze damage from an Failure to follow instructions below could result in unheated equipment room is not the Trane company's responsibility. These are indoor units. unit dropping which could result in death or serious injury, and equipment or property-only damage.
  • Page 26 Installation: Mechanical chain or cable between the first-stage casing of the Note: Follow instructions provided by the spring isolator compressor and the lifting beam. manufacturer, being careful to not damage isolator adjustment screw. Important: There should NOT be tension on this safety cable;...

  • Page 27: Special Lift Requirements

    Note: Disassembly and reassembly work includes B = 18 in. (457.2 mm) dowel-pinning the compressor and removing it from the unit. Contact Trane or an agent of Trane C = 9 in. (228.6 mm) specifically authorized to perform start-up and ®...
  • Page 28 Installation: Mechanical Figure 7. Isolation spring placement by shell size, upper housing of each isolator, and could cause it to and evaporator and condenser length rest on the isolator’s lower housing (refer to the following figure). left right 6. Check the clearance on each isolator. If this dimension rear rear Condenser...

  • Page 29: Leveling The Unit

    Figure 9. Leveling the chiller Note: Use of a laser level is an acceptable alternative Important: Immediately report any unit damage incurred method to level the unit. during handling or installation at the job site to the Trane sales office. CVHE-SVX005C-EN...

  • Page 30: Installation: Water Piping

    Do NOT allow chiller to freeze! Bundles must be Important: Trane strongly recommends using the services drained and air-blown dry if chiller is stored in an of a qualified water treatment specialist to unheated equipment room.

  • Page 31: Strainers

    To prevent components damage, pipe strainers must orifices, and valves. be installed in the water supplies to protect components from water borne debris. Trane is not 2. To ensure that the flow switch operates as designed, responsible for equipment-only-damage caused by adjust the length of the flow switch paddle to water borne debris.
  • Page 32 NOTICE Note: The “Temp” potentiometer on the ifm efector® control module has no effect in Trane application. Overtightening! It is NOT necessary to make adjustments to the Do not exceed torque specifications as it could “Temp”...

  • Page 33: Evaporator And Condenser Water

    Installation: Water Piping Figure 12. ifm efector® flow sensing device terminal Figure 13. Typical evaporator water piping circuit connection Outlet Inlet 1. Balancing valve. 2. Gate (Isolation) valve or ball valve. 3. Thermometer (if field supplied). 4. Waterbox nozzle connection. 5.

  • Page 34: Water Piping Connections

    Trane Parts Service. pressure drops are expected in the application, contact These sensor extension cables may be necessary if your local Trane representative to discuss special waterbox the waterboxes are changed or if the temperature options.

  • Page 35: Waterbox Locations

    Flanged (Condenser Customer 032–050 150 psig provided No adapter CVHE and ® [1034.2 kPaG] non- Victaulic required CVHG marine only) coupling Customer Trane provided CVHE, provided ® ® Victaulic (all others) Victaulic -to- CVHF, and ® Victaulic flange adapter CVHG coupling Figure 16.

  • Page 36: Flange-Connection Adapters

    Installation: Water Piping Notes: 14 in. (355.6 mm) and 16 in. (406.4 mm) Style 741 (150 psig [1034.2 kPaG]) adapters are provided. The • Refer to the coupling manufacturer’s guidelines Style 741 (150 psig [1034.2 kPaG]) flange adapter requires for specific information concerning proper a smooth, hard surface for a good seal.

  • Page 37: Screw-Tightening Sequence For Water

    Installation: Water Piping 6. Tighten fasteners alternately and equally until housing screw pads are firmly together (metal-to-metal); refer to “Screw-Tightening Sequence for Water Piping Connections,” p. 37. Do NOT excessively tighten fasteners. Note: Uneven tightening may cause the gasket to pinch. ®...

  • Page 38: Flanges With 4, 8, Or 12 Screws

    Installation: Water Piping Table 11. Flange screw torque recommendations for Figure 21. Flange screw tightening sequence (16, 20, O-ring and flat-gasket piping connections or 24 screws) Gasket Type Screw Size O-Ring Flat ft·lb N·m ft·lb N·m 12–18 16–24 33–50 45–68 70–90 95–122 105–155...

  • Page 39: Pressure Testing Waterside Piping

    Then, apply final torque to each Eddy Current Testing bolt in sequential order. Trane recommends conducting an eddy current inspection Figure 23. Evaporator waterbox cover bolt tightening of the condenser and evaporator tubes in water-cooled sequence chillers every three years.

  • Page 40: Vent Piping

    Capacities of various vent line sizes and lengths. its use, some local codes do. However, this data applies only to conventional Testing conducted in Trane laboratories has qualified the pressure-relief valves and NOT to balanced relief following materials for PVC pipe construction as being valves, rupture members (as used on Trane®...

  • Page 41: Vent Line Installation

    Vent Piping Note: To determine the total C value for a specific unit, – Center the disk and gaskets to the flange bore. add the appropriate C values for the evaporator, – Hand-tighten all screws, assuring equal pressure. standard condenser, and economizer. If the unit –...
  • Page 42 The drip leg must be drained periodically to assure that it does not overflow and allow fluid to flow into the horizontal portion of the vent line. Trane assumes no responsibility for equipment damage caused by insufficient drainage of drip leg.
  • Page 43 9 in. (228.6 mm) of valve result from a failure to properly install discharge. Refer to ASHRAE Standard 15 for RuptureGuard™ will NOT be paid by Trane. additional requirements on piping rupture disk and relief valve vent lines.

  • Page 44: Vent Line Sizing Reference

    Vent Piping Vent Line Sizing Reference Table 12. “C” values used to determine rupture disk vent line sizes; for use with the following figure “C” Values for Unit Components Evap. Size (EVSZ) Cond. Size (CDSZ) Long H.R. Cond. Free Cooling Econ. Total “C”...
  • Page 45 Vent Piping Figure 27. Rupture disk vent pipe sizing; for use with the preceding table Pipe size as a Function of “C” Value and Length of Run 1000 Pipe Size (I.D.) Friction Factor 6 NPS (6.065) f=0.0149 5 NPS (5.048) f=0.0155 4 NPS (4.026)
  • Page 46 Vent Piping ASHRAE Standard 15 • ln = natural logarithm • = absolute pressure at outlet of discharge piping, psi 0.214d – P d * ln(P (kPa) – • = allowed back pressure (absolute) at the outlet of pressure relief device, psi (kPa) For CenTraVac™...

  • Page 47: Insulation

    85°F (29.4°C) dry bulb ambient temperature sensor. • 75 percent relative humidity Operation outside of normal design conditions as defined in this section may require additional insulation; contact Trane for further review. Table 13. Evaporator insulation requirements Free Cooling Standard Unit 3/4-in.
  • Page 48 Insulation NOTICE water temperature/glycol) units, may require double thickness to prevent formation of condensation. Insulation Damage! Failure to follow these instructions could result in insulation damage. To prevent damage to factory installed insulation: • Do not allow the insulation to be exposed to excessive sunlight.

  • Page 49: Installation: Controls

    Tracer TU serves as a common interface to all Trane chillers, and will customize itself based on the properties of the chiller with which it is communicating. Thus, the service technician learns only one service interface.

  • Page 50: Control Panel

    Installation: Controls Control Panel Figure 30. Standard control panel: main unit assembly (showing low voltage and higher voltage areas for proper routing of field wiring) 30 Volt Maximum 30–115 Volt Maximum CVHE-SVX005C-EN...
  • Page 51 Installation: Controls Figure 31. Optional control panel: main unit assembly (showing low voltage and higher voltage areas for proper routing of field wiring) 30 Volt Maximum 30–115 Volt Maximum CVHE-SVX005C-EN...

  • Page 52: Installing The Tracer Adaptiview

    6. Position the Tracer AdaptiView display—with the LCD screen facing up—on top of the display support arm base plate. Note: Ensure the Trane logo is positioned so that it will be at the top when the display is attached to the display support arm.

  • Page 53: Display Arm

    Installation: Controls ® Adjusting the Tracer • At each joint in the display arm, there is either a hex bolt (1 and 2) or hex screw (3). Turn the hex bolt or AdaptiView™ Display Arm screw in the proper direction to increase or decrease ®...

  • Page 54: Module Installation

    Installation: Controls Module Installation Recommended routing path for supplied Air-Fi cable is shown in figure below. Device may be remote mounted in ® Air-Fi order to obtain a stronger signal. ® For installation instructions, see Air-Fi Wireless Communications Interface (WCI) Installation Instructions (BAS-SVN038*-EN).

  • Page 55: Wi-Fi

    Wi-Fi Recommended routing path for supplied Wi-Fi cable is shown in figure below. Device may be remote mounted in ® For installation instructions, see Trane Wi-Fi Module order to obtain a stronger signal. Installation Instructions (BAS-SVN042*-EN). Figure 37. Wi-Fi wire harness routing path...

  • Page 56: Electrical Requirements

    Be sure to satisfy or other energy storing components provided by proper equipment grounding requirements per NEC. Trane or others, refer to the appropriate • Compressor motor and unit electrical data (including manufacturer’s literature for allowable waiting periods for discharge of capacitors.

  • Page 57: Trane-Supplied Starter Wiring

    Wires, lugs, and fuses/breakers are sized based on National Electric Code NEC [NFPA 70] and UL 1995. 1Q1 Circuit Breaker to Starter connects to 2X16 Starter Panel Terminal for all starter types except the AFDG (Trane-supplied remote Danfoss AFD); for the AFDG, 1Q1 Circuit Breaker to Starter connects to 2X13 Starter Panel Terminal.

  • Page 58: Transformer Wire Sizing

    All wiring to be in accordance with National Electrical Code (NEC) and any local codes. Starter by Others Specification available from your local Trane sales office. Wires, lugs, and fuses/breakers are sized based on National Electric Code (NEC) [NFPA 70] and UL 1995.
  • Page 59 Customer-supplied Remote Starter Wiring Table 17. Maximum recommended total wire length Table 18. Maximum recommended total wire length for potential transformers (PTs) in a single (to and from) for PT leads in a dual PT PT system system Max Wire Length Maximum Lead Length Max Wire Length Primary Secondary...

  • Page 60: Wiring

    Power Supply Wiring WARNING • Confirm that wire size is compatible with lug size stated in unit submittal. Proper Field Wiring and Grounding • Make sure that the incoming power wiring is properly Required! phased; each power supply conduit run to the starter Failure to follow code could result in death or serious must carry the correct number of conductors to ensure injury.

  • Page 61: Interconnecting Wiring

    Note: Refer to starter submittal drawing for location of or other energy storing components provided by incoming wiring to the starter. 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 62: Starter To Motor Wiring

    Power Supply Wiring Figure 41. Typical equipment room layout for units Figure 42. Typical equipment room layout for units with unit-mounted starters with remote-mounted starters 1. Line side power conduits 2. Unit-mounted starter 3. Unit control panel 1. Line side power conduits 2.

  • Page 63: Terminal Clamps

    Bus bars and extra nuts are available as a Trane option. • Torque for this assembly is 24 ft·lb (32.5 N·m).

  • Page 64: Starter To Control Panel Wiring

    Starter to Control Panel Wiring • Separate low-voltage (less than 30V; refer to the tables The unit submittal includes the field wiring connection “Trane-supplied Starter Wiring,” p. 57 diagram and the starter-to-control-panel connection “Customer-supplied Remote Starter Wiring,” p. diagram (showing the electrical connections required...

  • Page 65: 10 To 13.8Kv Medium Voltage Motor

    To limit the effects of corona or ionization with cables carrying more than 2000V, Trane requires that the power cable have a metallic shield, unless the cable is specifically listed or (1016) approved for non-shielded use.

  • Page 66: Motor Terminals

    10 to 13.8kV Medium Voltage Motor NOTICE Care must be taken while routing the incoming cables to ensure that cable loads or tensions are not applied to the Motor Terminal Damage! terminal or premature terminal failure could result. Applying torque to the motor terminal when Motor Terminals tightening lugs could result in equipment or property- only damage.

  • Page 67: System Control Circuit Wiring

    System Control Circuit Wiring (Field Wiring) Table 19. Unit control panel wiring 120 Vac Standard Control Circuits: Unit Control Panel Control Wiring Input or Output Type Unit Control Terminations Contacts (120 Vac) Chilled Water Flow Proving Input Binary Input Normally Open, Closure with Flow 1X1-5 to 1A6-J3-2 Condenser Water Flow Proving Input Binary Input...

  • Page 68: Water Pump Interlock Circuits And Flow

    System Control Circuit Wiring (Field Wiring) Water Pump Interlock Circuits Condenser Water Pump and Flow Switch Input 1. Wire the condenser water pump contactor (5K2) to a separate 120-volt, single-phase power supply with WARNING 14 AWG, 600-volt copper wire. Hazardous Voltage! 2.

  • Page 69: Temperature Sensor Circuits

    (IPC) bus is connected to the module for Wiring),” p. 67). 24 Vdc power and the communications link. Trane recommends mounting the sensor module within the Starter Module Configuration control panel and the sensor two wire leads be extended...

  • Page 70: Operating Principles

    Compressor operate and maintain the chiller. If mechanical problems do Second Stage Low Side Economizer occur, however, contact a Trane service technician to Compressor ensure proper diagnosis and repair of the unit. First Stage Evaporator Important: Although CenTraVac™...

  • Page 71: Oil And Refrigerant Pump

    Operating Principles Oil and Refrigerant Pump economizer, passing through another orifice plate and into the evaporator. Compressor Lubrication System Figure 47. Pressure enthalpy curve A schematic diagram of the compressor lubrication system is illustrated in the following figure. Oil is pumped from the oil tank (by a pump and motor located within the tank) through an oil pressure regulating valve designed to maintain a net oil pressure of 18 to 22 psid (124.1 to 151.7...
  • Page 72 Operating Principles Figure 49. Oil refrigerant pump, evaporator sizes EXCEPT 032 short/long Compressor lubrication system Motor cooling system Oil reclaim system 1. Motor coolant return to condenser, 2.125 in. (53.975 mm) OD 2. Oil tank vent to evaporator 3. Oil separator and tank vent manifold 4.
  • Page 73 Operating Principles Figure 50. Oil refrigerant pump, 032 short/log evaporator sizes only Compressor lubrication system Motor cooling system Oil reclaim system 1. Motor coolant return to condenser, 2.125 in. (53.975 mm) OD 2. Oil tank vent to evaporator 3. Oil separator and tank vent manifold 4.

  • Page 74: Motor Cooling System

    Operating Principles CAUTION necessary for oil return. A normal operating setting for the valve may range from full closed to two turns open. Hot Surface! Note: Depending on operating conditions, the oil sump’s Failure to follow instructions below could result in normal operating oil level may vary from just below moderate injury.

  • Page 75: Start-Up And Shutdown

    Start-Up and Shutdown This section provides basic information on chiller operation • The first line of text in the circles is the visible top level ® for common events. operating modes that can be displayed in Tracer AdaptiView™. Sequence of Operation •...

  • Page 76: Start-Up Sequence Of Operation-Wye

    Figure 52. Sequence of operation: Tracer AdaptiView™ power up User Interface Template... Display Ready Black Screen Grey Screen Loading Data…. First Trane Logo *Display will show either Auto or Stop button as “active ” (depressed) once White Screen it is ready...
  • Page 77 Start-Up and Shutdown Figure 53. Sequence of operation: power up to starting Last Chiller Mode Was Auto Call for Cooling Power Applied Starting Waiting to Start Waiting to Start Auto Compressor Controls Enforce Start to Start Timer Prelube (60 Seconds) (5 to 60 minutes) Controller Enforce Power Up...
  • Page 78 Start-Up and Shutdown Figure 54. Sequence of operation: running Starter Status Is Limit Mode Exit “Running” Limit Mode Chiller Starting Chiller Is Running Chiller Is Running—Limit Chiller Is Running Compressor Running Modulate IGV/AFD* Modulate IGV/AFD* Modulate IGV/AFD* for LWT Control for LWT Control for LWT Control Enforce All Running Mode Diagnostics...
  • Page 79 Start-Up and Shutdown Figure 56. Sequence of operation: Fast restart within postlube External Auto-Stop Tracer Stop Normal Non-Latching Diagnostic Local Stop Stop Command Removed and Need to Cool Starting Preparing Shutdown Shutting Down Waiting to Start Running Compressor Close IGV (0 to 50 seconds) Postlube: Establish Condenser Water Flow (CVH: 0 to 3 minutes)

  • Page 80: Power Up

    Start-Up and Shutdown Figure 57. Sequence of operation: normal shut-down to stopped and run inhibit Local Stop Normal Latching Diagnostic Stopped Normal Non-Latching Diagnostic Tracer Stop Run Inhibit External Auto-Stop IGV Closed Stopped Preparing Shutdown Shutting Down Shutting Down Running Run Inhibit Evaporator De-Energize Oil Pump...
  • Page 81 Start-Up and Shutdown Figure 58. Sequence of operation: ice building: running to ice making Evap Leaving Ice Building Water Temp Rises Command Ice Building Command: Above the Diff To Withdrawn 1. Front Panel Stop 2. Tracer 3. External Input Running (Ice to Normal Running Running Running...

  • Page 82: Free Cooling Cycle

    Start-Up and Shutdown Figure 59. Sequence of operation: ice building: auto to ice to ice building complete to auto Remove all Ice Building Commands via: 1. Front Panel OD (Auto) Evap Entering Water 2. Tracer (Auto) Temp Falls Below the 3.

  • Page 83: Free Cooling (Frcl)

    Start-Up and Shutdown through a small bleed line; when the storage tank is full, guide vanes and the HGBP valve to close for unit shut- liquid refrigerant must flow through the bleed line down. After a chiller starts and is running, the inlet guide restriction.

  • Page 84: Heat Recovery Cycle

    Tracer® AdaptiView™ is also able to set the its heating capacity is not controlled. Trane does not hot water setpoint. In the Hot Water mode, the external recommend operating the auxiliary condenser alone chilled water setpoint is the external hot water setpoint;...

  • Page 85: Unit Start-Up And Shutdown

    Start-Up and Shutdown • French (Canada) WARNING • German Toxic Hazards! • Greek A significant release of refrigerant into a confined space due to a rupture disk failure could displace • Hebrew available oxygen to breathe and cause possible • Hungarian asphyxiation.

  • Page 86: Seasonal Unit Start-Up

    1. Close all drain valves and reinstall the drain plugs in the maintenance of standard and optional features) should evaporator and condenser headers. be performed by qualified Trane service technicians. 2. Service the auxiliary equipment according to the start- Note: During extended shutdown periods, be sure to...

  • Page 87: Recommended Maintenance

    Disconnect all electric power, including remote Only genuine Trane® replacement components with disconnects and discharge all motor start/run identical Trane part numbers should be used in Trane capacitors before servicing. Follow proper lockout/ CenTraVac chillers. Trane assumes no responsibility tagout procedures to ensure the power cannot be for damages resulting from the use of non-compatible inadvertently energized.
  • Page 88 Use Scotch-Brite® or other non-abrasive material to clean scale; do NOT use steel wool, which could cause the probe to rust. Submit a sample of the compressor oil to a Trane- qualified laboratory for comprehensive analysis. Measure the compressor motor winding resistance to ground;...

  • Page 89: Recommended Compressor Oil

    After this oil in high-head/high ambient applications. change, it is recommended to subscribe to the Trane CenTraVac™ chillers are manufactured with different annual oil analysis program rather than automatically refrigerant/oil systems: 1) chillers using R-123 change the oil as part of scheduled maintenance.

  • Page 90: Purge System

    If the chiller will be stored for more than six months after creates an environment in which air or moisture could enter production, contact your local Trane Service Agency for the unit. If these non-condensables are allowed to required extended storage actions to minimize impact to accumulate while the chiller is running, they become the chiller and preserve the warranty.

  • Page 91: Refrigerant Charge

    Refrigerant Charge Operation, and Maintenance: R-123 Low-Pressure Refrigerant Handling Guidelines Conservation and Safe WARNING Handling of R-123 Refrigerant in Trane Chillers for Service Technicians (CTV-SVX05*-EN).For chillers with R-514A Refrigerant May Be Under Positive refrigerant, refer to Installation, Operation, and Pressure!

  • Page 92: Condenser

    3. Thoroughly flush the condenser water tubes with clean every two to three years. Trane recommends inspection of water. anodes for wear sometime within the first several months of 4.
  • Page 93 Recommended Maintenance NOTICE As needed after draining the waterbox, use a 2-1/2 in. (63.5 mm) wrench to remove/install Trane-supplied Equipment Damage! waterbox anodes. Failure to follow instructions could result in equipment damage. Do NOT use Teflon-based tape or paste on anode; a small amount of liquid sealant (Loctite®...

  • Page 94: Waterbox Removal And Installation

    ® installation and servicing of this equipment. information only for Trane CenTraVac™ ® chillers built in La Crosse. For Trane CenTraVac™ chillers built outside the Discussion United States, refer to literature provided by the applicable manufacturing location. This section will discuss recommended hoist ring/clevises and lifting.

  • Page 95: Reassembly

    Waterbox Removal and Installation Reassembly Figure 62. Waterbox rigging and lifting—condenser and evaporator connections Once service is complete, the waterbox should be reinstalled on the shell following all previous procedures in reverse. Use new O-rings or gaskets on all joints after thoroughly cleaning each joint.

  • Page 96: Connection Devices Information

    Connection Devices Information Table 25. Connection devices Part Unit Product Order Information Number Safety Hoist Ring RNG01884 Contact Trane Parts Department 3/4-10 Safety Hoist Ring RNG01885 Contact Trane Parts Department 1/2-13 Evap Lifting BAR00400 Contact Trane Parts Department Fixture CVHE-SVX005C-EN...

  • Page 97: Appendix A: Forms And Check Sheets

    Unit Start-Up/Commissioning before Trane start-up is scheduled, and for reference during the Trane start-up. Important: Start-up must be performed by Trane or an Where the form or check sheet also exists outside of this agent of Trane specifically authorized to ®...

  • Page 98: Appendix B: Chiller Installation Completion And Request For Trane Service

    Condenser and heat recovery condenser (as are being installed applicable) piping connected to: and will be completed by: ☐ CenTraVac™ chiller Important: Start-up must be performed by Trane or an ☐ Pumps agent of Trane specifically authorized to ☐ Cooling tower ®...
  • Page 99 ______________, we therefore require the Total amount in cylinders/drums: ___________ presence of Trane service on this site, for the purpose of (specify lb or kg) and fill in specifics below: start-up and commissioning, by ______________ (date). Number of cylinders/drums _____ of size _____...

  • Page 100: Appendix C: Centravac™ Chiller Start-Up Tasks To Be Performed By Trane

    Appendix C: CenTraVac™ Chiller Start-Up Tasks to be Performed by Trane WARNING 2. Pre-Start Operations ☐ Verify nitrogen holding charge. Safety Alert! ☐ Calibrate the high pressure cutout control Failure to follow instructions below could result in (HPC). death or serious injury.
  • Page 101 Appendix C: CenTraVac™ Chiller Start-Up Tasks to be Performed by Trane ☐ Both jumpers “Disconnected” for Non ☐ Apply power to the starter panel. Solidly Grounded System (Any Delta, High ☐ Verify current to the oil sump heater. Impedance Ground, or Ungrounded Wye).

  • Page 102: Inspection List

    Appendix D: CenTraVac™ Chiller Annual Inspection List Follow the annual maintenance instructions provided in the ☐ Factory recommendation to eddy current test tubes text of this manual, including but not limited to: every three years. 1. Compressor/Motor 7. Control Circuits ☐...

  • Page 103: Appendix E: Centravac™ Chiller Operator

    Appendix E: CenTraVac™ Chiller Operator Log Water-Cooled CenTraVac™ Chillers with Symbio Controller Tracer® AdaptiView™ Reports — Log Sheet Log 1 Log 2 Log 3 Evaporator Active Chilled Water Setpoint Evaporator Entering Water Temperature Evaporator Leaving Water Temperature Evaporator Approach Temperature Evaporator Saturated Rfgt Temp Evaporator Refrigerant Pressure Evaporator Water Flow Status...
  • Page 104 Appendix E: CenTraVac™ Chiller Operator Log Water-Cooled CenTraVac™ Chillers with Symbio Controller Tracer® AdaptiView™ Reports — Log Sheet Log 1 Log 2 Log 3 Starter Motor Current L1 Starter Motor Current L2 Starter Motor Current L3 Starter Input Voltage AB Starter Input Voltage BC Starter Input Voltage CA Average Motor Current...
  • Page 105 Notes CVHE-SVX005C-EN...
  • Page 106 Notes CVHE-SVX005C-EN...
  • Page 107 Notes CVHE-SVX005C-EN...
  • Page 108 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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