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

Water-cooled centravac chillers with tracer adaptiview control
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See also: Installation Manual , Installation, Operation & Maintenance Manual
Installation, Operation,
and Maintenance
CVHE, CVHF, and CVHG
Water-Cooled CenTraVac™ Chillers
With Tracer AdaptiView™ Control
Models: CVHE, CVHF , 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.
March 2015
SAFETY WARNING
CVHE-SVX02H-EN
X39641075080

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Summary of Contents for Trane CVHE

  • Page 1 Maintenance CVHE, CVHF, and CVHG Water-Cooled CenTraVac™ Chillers With Tracer AdaptiView™ Control Models: CVHE, CVHF , CVHG X39641075080 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: Introduction

    Trane advocates the responsible handling of all refrigerants-including industry replacements for CFCs • If there is a risk of energized electrical contact, arc, or such as HCFCs and HFCs.
  • Page 3 This document and the information in it are the property of • The installing contractor must notify Trane—or an Trane, and may not be used or reproduced in whole or in agent of Trane specifically authorized to perform part without written permission. Trane reserves the right ®...

  • Page 4: Table Of Contents

    Pressure Gauges ..... 21 Trane-Supplied Starter Wiring ..44 Valves—Drains and Vents .
  • Page 5 ....65 Hot Water Control ....66 CVHE-SVX02H-EN...

  • Page 6: Unit Model Number Description

    Product Definition and Selection (PDS) system. This system describes the product offerings using a product coding block which is made up of feature categories and codes that identifies all characteristics of a unit. CVHE-SVX02H-EN...

  • Page 7: Model Number Digit Description

    Condenser Refrigerant Control Manufacturing Location Special Options Water Flow Control Chilled Water Reset Heat Recovery Temperature Sensors Gas Powered Chiller Compressor Motor Frame Size Volute Discharge Angle Operating Status Industrial Chiller Package Control Power Transformer Motor & Terminal Board Config CVHE-SVX02H-EN...

  • Page 8: Pre-Installation

    4. Check the oil sump sight glasses to verify that the sump from an equipment room’s design or function. was factory-charged with 9 gallons (34.1 L) of oil. If no oil level is visible, contact your local Trane sales office. Unit Shipment Installation Requirements and...
  • Page 9 Foundation • Meet foundation requirements Rigging • Safety chains • Clevis connectors • Lifting beam Disassembly/Reassembly • Trane will perform or have (as required) direct on-site supervision of the disassembly and reassembly work (contact your local Trane office for pricing) Isolation •...

  • Page 10: Storage Requirements

    (a) 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 11: Unit Components

    Note: The control panel side of the unit is always designated as the front side of the unit. Figure 2. Typical CVHF CenTraVac chiller Suction Elbow Economizer Compressor Oil Tank Assembly Terminal Box Purge Control Panel 10. Evaporator Condenser 11. Display Panel Motor Housing CVHE-SVX02H-EN...

  • Page 12: Unit Clearances And Weights

    Auxiliary condenser (optional) Cooling condenser Right hand tube pull shown, apply tube pull clearance dimension to left end for Evaporator left hand tube pull. Motor Optional unit mounted starter These dimensions per NEC Article 110 3 ft. (92 cm) CVHE-SVX02H-EN...

  • Page 13: General Weights

    • Chillers with starter weights include the weight of The unit weight information provided in Table 2 should be used for general information purposes only. Trane the heaviest possible starter. does not recommend using this weight information for • Heaviest possible bundle and heaviest possible considerations relative to chiller handling.
  • Page 14 23345 43161 19578 53170 24118 44863 20350 1470–1720 1340 250E 250L 63486 28797 52931 24009 65125 29540 54570 24753 CVHE 190–270 032S 032S 14946 6779 13758 6241 16585 7523 15397 6984 (50 Hz) 190–270 032S 032L 15512 7036 14223 6451...
  • Page 15 39520 17926 48570 22031 41222 18698 920–1100 142L 210L 48247 21884 40435 18341 49949 22656 42137 19113 920–1100 142E 210L 49731 22558 41424 18790 51433 23330 43126 19562 920–1100 210L 210L 52495 23811 44284 20087 54134 24555 45923 20830 CVHE-SVX02H-EN...

  • Page 16: Installation: Mechanical

    • For chillers in unheated equipment rooms, contact Do not use cables (chains or slings) except as shown in your local Trane service agency for methods to ensure Figure 4, p. 17. Each of the cables (chains or slings) used to lift the unit must be capable of supporting the that the oil temperature is maintained suitable for entire weight of the unit.
  • Page 17 Typical rigging arrangements for Simplex Figure 4. Typical rigging arrangements for Simplex units (continued) units 16 feet (4.8768 meters) minimum effective length Safety chain or cable 800 Short shells only— use rigging flange Jack slots Auxiliary option Heat recovery option CVHE-SVX02H-EN...

  • Page 18: Special Lift Requirements

    (1.6 mm) over its length and width after it is lowered onto from the unit. Contact Trane or an agent of the isolation pads. In addition, all piping connected to the Trane specifically authorized to perform start- chiller must be properly isolated and supported so that it ®...
  • Page 19 1/ to the isolators is to cement the neoprene 4 in. (6.35 mm). pads. 5. Set the chiller on the isolators; refer to “Standard Chiller Lift, ” p. 16. The weight of the chiller will force CVHE-SVX02H-EN...

  • Page 20: Leveling The Unit

    Figure 8. Note: Use of a laser level is an acceptable alternative method to level the unit. Important: Immediately report any unit damage incurred during handling or installation at the job site to the Trane sales office. CVHE-SVX02H-EN...

  • Page 21: Installation: Water Piping

    3/4 in. (19.05 mm). time. Expenses that result from a failure to follow this recommendation will not be paid by Trane. NOTICE: Piping suggestions for each of the water circuits listed...
  • Page 22 3/4 turns points in the same direction as actual water flow (minimum) to 1 turn (maximum); do NOT overtighten. through the piping circuit. 5. Remove all air from the piping circuit to prevent possible flow switch “fluttering” . CVHE-SVX02H-EN...

  • Page 23: Evaporator And Condenser Water Piping

    Note: The “Temp” potentiometer on the ifm efector unit if flow is lost. For trouble shooting, a viewable control module has no effect in Trane diagnostic is generated if a proof of flow switch does not application. It is not necessary to make close when flow is required.
  • Page 24 Piping must be arranged and supported to avoid stress on the equipment. It is strongly recommended that the piping • Whenever a CVHE, CVHF , or CVHG unit is equipped contractor does not run pipe closer than 3 feet with an auxiliary condenser, use a bypass valve system (0.91 meters) minimum to the equipment.

  • Page 25: Water Piping Connections

    (i.e., drainage, etc.). Note: Plug-type sensor extension cables are available for purchase from Trane Parts Service if needed. These sensor extension cables may be necessary if the waterboxes are changed or if the temperature sensors are moved out into the unit piping for better mixed temperature readings.

  • Page 26: Grooved Pipe Coupling

    Figure 15. Customer piping connection types braided steel, elastomeric arch, etc.) are recommended to Flanged Victaulic attenuate vibration and prevent stress at the waterbox connections. Flange adapters are not provided for CVHE, Waterbox Waterbox Water Box Water Box CVHF , or CVHG units with 300 psig or 2068.4 kPaG waterboxes that have 14 in.

  • Page 27: Victaulic Gasket Installation

    219.1 3/4 x 4-3/4 34.3 15.6 273.0 1 x 5-1/4 15.25 48.3 21.9 323.9 1-1/8 x 5-3/4 17.75 70.5 32.0 (a) Bolt size for conventional flange to flange connection. Longer bolts are required when flange washer must be used. CVHE-SVX02H-EN...

  • Page 28: Bolt-Tightening Sequence For Water Piping Connections

    Be sure to use an equal number of bolt turns from side to side. Then, apply final torque to each bolt in sequential order. CVHE-SVX02H-EN...

  • Page 29: Pressure Testing Waterside Piping

    Always perform as a hydro pressure test with water present in piping and waterboxes. Waterside design pressure is either 150 or 300 psig (1034.2 or 2068.4 kPaG); refer to unit nameplate or to submittal documentation. CVHE-SVX02H-EN...

  • Page 30: Vent Piping

    ASHRAE Standard 15 doesn’t centrifugal chillers), fusible plugs, or pilot-operated prohibit its use, some local codes do. valves. Testing conducted in Trane laboratories has qualified the • A simplified method to determine the appropriate following materials for PVC pipe construction as being vent-line size, with Figure 22, p.

  • Page 31: Vent Line Installation

    (4.572 meters) above grade level and at least 20 feet assembly. (6.096 meters) from any building opening. Provide a vent line termination that cannot be blocked by debris or accumulate rainwater. CVHE-SVX02H-EN...
  • Page 32 NOTICE: Equipment Damage! Outside wall Trane assumes no responsibility for equipment damage caused by insufficient drainage of the drip leg. All vent- lines must be equipped with a drip leg of sufficient Purge discharge volume to hold the expected accumulation of water vent line and or refrigerant.
  • Page 33 (convert multiplier in lb/min to kg/s for SI) = C value from Table 9, p. 33 (convert C in lb/min to kg/s for SI) • f = Moody friction factor in fully turbulent flow • d = inside diameter of pipe or tube, in (mm) CVHE-SVX02H-EN...
  • Page 34 = Moody Friction Factor in fully turbulent flow Note: This figure, provided as a reference, is based on ASHRAE Standard 15. Vent line size is typically dictated by state or local code which may be different from ASHRAE Standard 15 requirements. CVHE-SVX02H-EN...

  • Page 35: Insulation

    Insulation Unit Insulation Requirements Operation outside of normal design conditions as defined above may require additional insulation; contact Trane for further review. Factory-installed insulation is available as an option for all units. Factory installation does not include insulation of Note: If the unit is not factory-insulated: install insulation the chiller feet;...
  • Page 36 5. Insulate all economizer supports. Line from evap Filter drier and eductor lines Suction Suction cover Pipe (free elbow cooling only) Suction Control connection panel support Pipe Economizer Eductor line Pipe See Notes See Notes See Note Evaporator & & CVHE-SVX02H-EN...

  • Page 37: Installation: Controls

    247 for MODBUS. Front View LED Description and Operation There are 10 LEDs on the front of the UC800. Figure 25 shows the locations of each LED and Table 11, p. 38 describes their behavior in specific instances. CVHE-SVX02H-EN...
  • Page 38 Do not use. Important: Maintain at least 6 in. (16 cm) between low- voltage (<30V) and high voltage circuits. Failure to do so could result in electrical noise that could distort the signals carried by the low-voltage wiring, including IPC. CVHE-SVX02H-EN...
  • Page 39 Installation: Controls Figure 26. Standard control panel: Tracer AdaptiView main unit assembly (showing low voltage and higher voltage areas for proper routing of field wiring) 30 Volt Maximum 30–115 Volt Maximum CVHE-SVX02H-EN...
  • Page 40 30V TO 115V 1K26 1K27 30V MAX 30V TO 115V 1A25 1A22 1A13 1A14 1A15 1A16 1A17 1A18 1A19 1A20 1A21 1A24 OPTIONAL OPTIONAL OPTIONAL OPTIONAL OPTIONAL OPTIONAL OPTIONAL OPTIONAL X19091218-01 30V MAX 30V MAX 30 Volt Maximum 30–115 Volt Maximum CVHE-SVX02H-EN...

  • Page 41: Installing The Tracer Adaptiview Display

    Important: The Tracer AdaptiView display and display arm which could result in personal injury. arm are to be installed by Trane, or an agent of Trane, for best results. Note: Review “Adjusting the Tracer AdaptiView Display 1.

  • Page 42: Adjusting The Tracer Adaptiview Display Arm

    AdaptiView display to the support arm base. Use a 14 mm wrench to adjust the tension. • To adjust the left/right swivel of the entire display arm, use a 13 mm wrench to adjust the bolt labeled 4 in Figure CVHE-SVX02H-EN...

  • Page 43: Electrical Requirements

    Electric Code (NEC) guidelines, and any applicable inadvertently energized. For variable frequency drives state and local codes. Be sure to satisfy proper or other energy storing components provided by Trane equipment grounding requirements per NEC. or others, refer to the appropriate manufacturer’s literature for allowable waiting periods for discharge of •...

  • Page 44: Trane-Supplied Starter Wiring

    This permits the controls to remain powered while the three-phase line voltage is disconnected. Contact your local Trane representative for more information. CVHE-SVX02H-EN...

  • Page 45: Customer-Supplied Remote Starter Wiring

    1. All wiring to be in accordance with National Electrical Code and any local codes. 2. Starter by others specification available from your local Trane sales office. (a) Wires, lugs, and fuses/breakers are sized based on National Electric Code NEC [NFPA 70] and UL 1995.

  • Page 46: Current Transformer And Potential Transformer Wire Sizing

    2. The above length is maximum round trip wire length. The maximum distance the PT can be located from the starter module is half of the listed value. (a) Wires, lugs, and fuses/breakers are sized based on National Electric Code NEC [NFPA 70] and UL 1995. CVHE-SVX02H-EN...

  • Page 47: Power Supply Wiring

    • Make sure that the incoming power wiring is properly cause motor damage. phased; each power supply conduit run to the starter must carry the correct number of conductors to ensure equal phase representation. CVHE-SVX02H-EN...

  • Page 48: Interconnecting Wiring

    For variable frequency drives starter is used, the interconnecting wiring or other energy storing components provided by Trane must be field-installed. or others, refer to the appropriate manufacturer’s Note: Refer to starter submittal drawing for location of literature for allowable waiting periods for discharge of incoming wiring to the starter.

  • Page 49: Starter To Motor Wiring (Remote-Mounted Starters Only)

    Note: Wire size ranges for the starter line and load- side lugs are listed on the starter submittal drawings supplied by the starter manufacturer or Trane. Carefully review the submitted wire lug sizes for compatibility with the conductor sizes specified by the electrical engineer or contractor.

  • Page 50: Bus Bars

    18 AWG for runs up to 1000 ft (304.8 m). The polarity of the IPC wiring is critical for proper Bus bars and extra nuts are available as a Trane option. operation. Install the bus bars between the motor terminals when •...

  • Page 51: 10Kv-13.8Kv Medium Voltage Installation

    RLA, LRA, etc. • Motor terminal box weight without the cover is 215 lb In all cases of non-Trane supplied starters, the Trane (97.5 kg). Engineering Specification for UC800 Starter By Others •...

  • Page 52: Motor Supply Wiring

    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 approved for non-shielded use. If the cable is shielded, the shielding must be grounded at one end (grounding is typically done at the starter or supply end).

  • Page 53: System Control Circuit Wiring (Field Wiring)

    (b) If the Condenser Water Flow Proving Input is a factory-installed ifm efector flow-sensing device, the secondary (optional) field device for proof of flow connects from 1X1-6 to 1K27-4 (binary input; normally open, closure with flow). Remove factory jumper when used. (c) Standard low-voltage circuits (less than 30 Vac) must be separated from 120 Vac or higher wiring. CVHE-SVX02H-EN...

  • Page 54: Water Pump Interlock Circuits And Flow Switch Input

    24 Vdc power and the 2. For field-provided primary proof of flow devices, communications link. Trane recommends mounting the connect the primary proof of flow device between sensor module within the control panel and the sensor two terminals 1X1-5 to 1A6-J3-2.

  • Page 55: Optional Control And Output Circuits

    Additional information about the Tracer Communication interface option is published in the installation and operation guide that ships with the Tracer. Unit Start-up/Commissioning Important: Start-up must be performed by Trane or an agent of Trane specifically authorized to ® perform start-up and warranty of Trane products.

  • Page 56: Operating Principles

    Operating Principles General Requirements Figure 32. Pressure enthalpy curve, 3-stage Operation and maintenance information for CVHE, CVHF , and CVHG chillers are covered in this section. This includes both 50 and 60 Hz centrifugal chillers equipped with the Tracer AdaptiView UC800 control system. This...

  • Page 57: Oil And Refrigerant Pump

    151.7 kPaD). It is then filtered and sent to the oil cooler located in the economizer and on to the compressor motor bearings. From the bearings, the oil drains back to the manifold and separator under the motor and then on to the oil tank. CVHE-SVX02H-EN...
  • Page 58 0.625 in. (15.875 mm) OD coiled tubing 0.25 in. (6.35 mm) OD 10. Oil reclaim from evaporator (2 eductor), 21. Motor coolant filter 0.25 in. (6.35 mm) OD 11. Liquid refrigerant to pump, 1.625 in. (41.275 mm) OD CVHE-SVX02H-EN...

  • Page 59: Motor Cooling System

    Refrigerant is delivered to the motor via the pump. An in-line filter is installed (replace the in-line filter only with major service). Motor refrigerant drain lines are routed to the condenser. CVHE-SVX02H-EN...

  • Page 60: Start-Up And Shut-Down

    This diagram can be thought of as a state chart, with the Figure 37. Software operation overview Power Stopped Stopped Run Inhibit Starting Stopping Auto Fast Restart or Satisfied Setpoint Preparing to Shut Down Waiting to Start Shutting Down Starting Compressor Stop Command or Diagnostic Running Running Running - Limit CVHE-SVX02H-EN...

  • Page 61: Start-Up Sequence Of Operation-Wye-Delta

    Normal, Softload, Limit opening and closing to the chiller load variation by Mode, and so on (see Figure 39). operation of the stepper vane motor actuator to satisfy CVHE-SVX02H-EN...
  • Page 62 (see Figure 41). If the “Immediate Stop” is initiated, a panic stop occurs which follows the same stop sequence as pressing the STOP key once except the inlet guide vanes are not CVHE-SVX02H-EN...

  • Page 63: Power Up Diagram

    When entering ice building, the compressor will be loaded at its maximum rate and when leaving ice building the compressor will be unloaded at its maximum rate. While loading and CVHE-SVX02H-EN...
  • Page 64 Start-up and Shut-down Figure 42. Sequence of operation: ice making: running to ice making Figure 43. Sequence of operation: ice making: stopped to ice to ice building complete CVHE-SVX02H-EN...

  • Page 65: Free Cooling Cycle

    Because the unit shut-down. After a chiller starts and is running the pressure drop through the bleed line is greater than that of inlet guide vanes will pass through the HGBP Cut-In-Vane CVHE-SVX02H-EN...

  • Page 66: Hot Water Control

    MMR discharge by the compressor. The heated water is then diagnostic when in hot water temperature control mode. used to satisfy heating requirements. CVHE-SVX02H-EN...

  • Page 67: Auxiliary Condensers

    • Do not run evaporator water pump longer than size, and its heating capacity is not controlled. Trane does 30 minutes after the chiller is shut down. not recommend operating the auxiliary condenser alone •...

  • Page 68: Seasonal Unit Start-Up

    Table 19, p. 70 panel originates a Shutting down signal. The inlet guide Table 20, p. 71 should be performed by qualified Trane vanes are driven closed for 50 seconds, the compressor service technicians. stops, and the unit enters a 3-minute post-lube period. The...

  • Page 69: Recommended Maintenance

    Trane part numbers should be used in Trane CenTraVac chillers. Trane assumes no responsibility for damages resulting from the use of non-compatible parts or materials. This section describes the basic chiller preventive maintenance procedures, and recommends the intervals at which these procedures should be performed.
  • Page 70 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 71: Recommended Compressor Oil Change

    • Use only Trane OIL00022. A full oil change is 9 gallons time and unit size. This figure depicts normal purge pump- (34.1 L) of OIL00022.

  • Page 72: Long Term Unit Storage

    Failure to ensure that water is not present in tubes not, under any circumstances apply direct flame to any during evacuation could result in freezing tubes, portion of the cylinder. damaging the chiller. Important: If leak testing is required, contact a Trane service agency. CVHE-SVX02H-EN...

  • Page 73: Recommended System Maintenance

    Be sure to consult any qualified chemical house in the every two to three years. Trane recommends that anode area (one familiar with the local water supply’s inspection for wear sometime within the first several months of the anodes being placed into service.
  • Page 74 As needed after draining the waterbox, use a 2-1/2 in. (63.5 mm) wrench to remove/install Trane-supplied waterbox anodes. CVHE-SVX02H-EN...

  • Page 75: Waterbox Removal And Installation

    1. Determine the type and size of chiller being serviced. Refer to Trane nameplate located on chiller control panel. 5. Disconnect water pipes, if connected. Important: This literature contains rigging and lifting 6.

  • Page 76: Reassembly

    Torque waterbox bolts (see Table 21). Torque Requirements Table 21. CenTraVac torque Bolt Size Gasket type O-ring Flat in. (mm) ft·lb (N·m) ft·lb (N·m) 25 (33.9) 12–18 (16.3–24.4) 70 (94.9) 33–50 (44.7–67.8) 150 (203.4) 70–90 (94.9–122.0) 250 (339.0) 105–155 (142.4–210.2) CVHE-SVX02H-EN...
  • Page 77 Note: Refer to product block identifier on the model number plate which identifies the evaporator and condenser shell sizes and the rated pressure. The designators are as follows: Evaporator Size = EVSZ Condenser Size = CDSZ Evaporator Pressure = EVPR Condenser Pressure = CDPR Weights shown are maximum for waterbox size. Verify the waterbox from the latest published literature. CVHE-SVX02H-EN...

  • Page 78: Connection Devices Information

    Waterbox Removal and Installation Connection Devices Information Table 23. Connection devices Part Unit Product Number Order Information Safety Hoist RNG01884 Contact Trane Parts Ring 3/4-10 Department Safety Hoist RNG01885 Contact Trane Parts Ring 1/2-13 Department Evap Lifting BAR00400 Contact Trane Parts...

  • Page 79: Forms And Check Sheets

    Forms and Check Sheets The following forms and check sheets are included for use with Trane start-up of CVHE, CVHF , and CVHG CenTraVac chillers. Forms and check sheets are used, as appropriate, for installation completion verification before Trane start-...
  • Page 81 Request for Trane Service Important: A copy of this completed form must be submitted to the Trane service office that will be responsible for the start-up of the chiller. Start-up will NOT proceed unless applicable items listed in this form have been satisfactorily completed.
  • Page 82 _______________________________________________________________________________________________________________ This document and the information in it are the property of Trane, and may not be used or reproduced in whole or in part without written permission. Trane reserves the right to revise this publication at any time, and to make changes to its content without obligation to notify any person of such revision or change.
  • Page 83 – Inspect motor starter and control panel. – Confirm all wiring connections are tight, free of abrasion and have no sharp bends in panel and on compressors. – Inspect contactors and relays. CVHE, CVHF , CVHG Start-up Task List Revised: 31 Mar 2015...
  • Page 84 Review “AdaptiView Display Customer Training Checklist. ” – Equipment Description – Stopping/Starting Chiller Operation – Alarms – Reports – Data Graphs – Equipment Settings – Display Settings – Security Settings – Basic Troubleshooting Revised: 31 Mar 2015 CVHE, CVHF , CVHG Start-up Task List...
  • Page 85 Review overall operation of purge and service as necessary. Exterior • Inlet guide vane linkage. • Clean and touch-up painted surfaces as needed. • Repair deteriorated, torn, or missing insulation. CVHE, CVHF , CVHG Annual Inspection List Revised: 11 Apr 2013...
  • Page 86 • Inspect anodes. • Inspect and lubricate hinged waterboxes. • With water flow sensing option, bleed tubing from waterboxes to transformers. Revised: 11 Apr 2013 CVHE, CVHF , CVHG Annual Inspection List...
  • Page 87 Operator Log Water-Cooled CVHE, CVHF, CVHG CenTraVac Chiller with UC800 Controller Tracer AdaptiView Reports—Log Sheet Log 1 Log 2 Log 3 Evaporator Entering Leaving Saturated Refrig. Press Approach Flow Sw Status Condenser Entering Leaving Saturated Refrig. Press Approach Flow Sw Status...
  • Page 89 HVAC systems, comprehensive building services, and parts. For more information, visit www.Trane.com. Trane has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice. © 2015 Trane All rights reserved...

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