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Installation
Instructions
Disassembly and Reassembly Units
Series S™ Water-Cooled CenTraVac™ Chillers
Model: CVHS
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.
February 2019
SAFETY WARNING
CVHS-SVN04E-EN
X39641248060
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Related Manuals for Trane Water-Cooled CenTraVac S Series
Summary of Contents for Trane Water-Cooled CenTraVac S Series
- Page 1 Installation Instructions Disassembly and Reassembly Units Series S™ Water-Cooled CenTraVac™ Chillers Model: CVHS X39641248060 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 ALWAYS refer to the appropriate MSDS/SDS and compounds have the same potential impact to the OSHA/GHS (Global Harmonized System of environment. Trane advocates the responsible handling of Classification and Labelling of Chemicals) guidelines all refrigerants-including industry replacements for CFCs for information on allowable personal exposure...
- Page 3 This document and the information in it are the property of electrical, fall protection, lockout/tagout, refrigerant Trane, and may not be used or reproduced in whole or in handling, etc. All policies can be found on the part without written permission. Trane reserves the right site.
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Page 4: Table Of Contents
Table of Contents Components and Weights ....5 Components ......5 Maximum Component Weights . -
Page 5: Components And Weights
Components and Weights Components Important: All fasteners are metric except waterbox hardware. Note: Use only new O-rings and gaskets. Do NOT reuse O-rings or gaskets. Figure 1. CVHS Components (page 1 of 2) Condenser Evaporator Economizer Motor Casting Detail A Motor Cooling Return Tube Detail B... - Page 6 Components and Weights Figure 1. CVHS Components (page 2 of 2) Condenser Discharge Connection Volute Discharge Volute Discharge Wrap Around Pipe CVHS-SVN04E-EN...
- Page 7 Components and Weights Figure 2. CVHS drive dimensions, in. 8-13/16 51-5/16 6-1/8 1-3/8 34-1/16 1-3/4 35-7/16 1-7/8 15-11/16 5-5/8 CENTER OF GRAVITY 56-5/8 10 TO 12 CENTER OF GRAVITY 26 TO 31 Note: The holes on the top of the drive can be used for lifting the drive.
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Page 8: Maximum Component Weights
Important: Two M20 swivel D-rings are required for lifting the compressor assembly (metric threads). Note: Wrap pipe requires three 5/8-in. shackles. Trane recommends using Crosby screw pin shackles, model S-209, stock number 1018482 with 5/8-in. pin. CVHS-SVN04E-EN... -
Page 9: Disassembly
• Evacuate the chiller under 1000 microns; the contractor or equipment damage. System contains refrigerant and should assist a qualified Trane Technician with this may be under positive pressure. Recover refrigerant to responsibility relieve pressure before opening the system. See unit nameplate for refrigerant type. -
Page 10: Unit-Mounted Starter Removal
Disassembly Unit-mounted Starter Removal WARNING If you need to temporarily remove the entire AFD cabinet Hazard of Explosion and Deadly Gases! from the chiller to allow unit installation through restricted spaces or the AFD cabinet shipped disassembled from the Failure to follow all proper safe refrigerant handling chiller, use the following general information and practices could result in death or serious injury. -
Page 11: Purge Unit Removal
Disassembly 7. Mark and disconnect the wires that run between the drive and the control panel at the drive and pull the WARNING conduit out of the AFD cabinet. Hazardous Voltage w/Capacitors! 8. Mark and disconnect the refrigerant pump wires from the terminal block and pull conduit out of the AFD Disconnect all electric power, including remote cabinet. -
Page 12: Control Panel Removal
Follow proper lockout/ tagout procedures to ensure the power cannot be inadvertently energized. For variable frequency drives 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. -
Page 13: Tracer Adaptiview Display Arm Removal
Follow proper lockout/ tagout procedures to ensure the power cannot be inadvertently energized. For variable frequency drives 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. - Page 14 Disassembly equipped. See “Control Panel Removal,” p. 12 instructions. Figure 9. Lubrication system 4. Remove the economizer vent pipe flange hex head screws at the compressor and economizer connection. “Economizer Removal,” p. 16 for instructions. WARNING Heavy Objects! Failure to follow instructions below or properly lift component could result in component dropping and possibly crushing operator/technician which could result in death or serious injury, and equipment or...
- Page 15 Disassembly c. Remove the second stage volute-to-condenser hex head screws. Figure 11. Lifting clevis on the suction elbow lifting tab 8. Use designated lift point for level lift. a. If the wrap pipe is still on the unit, see Figure b.
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Page 16: Economizer Removal
Disassembly Economizer Removal Figure 14. Casting identifies lifting points by component WARNING Heavy Objects! Failure to follow instructions below or properly lift component could result in component dropping and possibly crushing operator/technician which could result in death or serious injury, and equipment or property-only damage. -
Page 17: Condenser/Evaporator Disassembly
Be sure to install new O-rings at the Figure 15. Evaporator-Condenser-Economizer line appropriate joints. flanges 11. Torque all screws to specifications. Consult with your Trane service group for specific torques for your economizer design. Condenser/Evaporator Disassembly After the compressor assembly has been removed, the... -
Page 18: Optional Hinged Waterboxes
Disassembly Optional Hinged Waterboxes 3. Remove the hex head screws from the flanges connecting the evaporator tube sheet and condenser If the chiller includes optional hinged waterboxes, the shell support (see Figure 17). Then remove the screws waterboxes and hinge may be removed for installation or from the flanges connecting the shells. - Page 19 Disassembly Figure 19. Example of CVHS hinged waterbox option (marine waterbox) Each waterbox hinge weighs 35 lb (15.9 kg); refer to Table 1, p. 8 for condenser and evaporator waterbox maximum weights. CVHS-SVN04E-EN...
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Page 20: Reassembly
This is the only sealing compound ® elbow to compressor joint, use 1/8-in. GORE-TEX recommended by Trane for use on O-ring joints. To use Joint Sealant placed approximately 1/8-in. in board of this sealing compound, apply a light bead the O-ring groove. -
Page 21: Optional Hinged Waterboxes
Reassembly Figure 21. Installation of 1/8-in. GORE-TEX tape Table 2. Screw torques for waterbox mounting Screw Size Torque (in) (mm) (ft·lb) (N·m) 70–100 95–136 130–190 176–258 Metric Screw Size (Non-Gasketed Joints or O-ring Joints) Torque Screw Size (ft·lb) (N·m) 12–16 16–22 24–33 33–45... -
Page 22: Flanges With 16 Screws
Reassembly Brazing WARNING Hazard of Explosion and Deadly Gases! Failure to follow all proper safe refrigerant handling practices could result in death or serious injury. Never solder, braze or weld on refrigerant lines or any unit components that are above atmospheric pressure or where refrigerant may be present. -
Page 23: Final Installation Procedures
After the chiller has been moved to the equipment room and reassembled under Trane supervision, leak testing, and evacuation can be performed by Trane or under Trane supervision. Upon verification of leak tightness, installation can proceed for unit piping, wiring, etc. After installation has been completed, fill out CTV-ADF001*-EN (CenTraVac™... - Page 24 Our people and our family of brands—including Club Car®, Ingersoll Rand®, Thermo King® and Trane®—work together to enhance the quality and comfort of air in homes and buildings; transport and protect food and perishables; and increase industrial productivity and efficiency. We are a global business committed to a world of sustainable progress and enduring results.