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Installation Instructions
CSHD and CSHN/CSHL
Compressors
Installation and Service
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.
January 2021
SAFETY WARNING
COM-SVN01D-EN
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Table of Contents
Related Manuals for Trane CSHD
Summary of Contents for Trane CSHD
- Page 1 Installation Instructions CSHD and CSHN/CSHL Compressors Installation and Service 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 (Global Harmonized System of Classification and compounds have the same potential impact to the Labeling of Chemicals) guidelines for information on environment. Trane advocates the responsible handling of allowable personal exposure levels, proper all refrigerants-including industry replacements for CFCs respiratory protection and handling instructions.
- Page 3 For specific handling discharge all energy storing devices such as capacitors concerns with R- 410A, please contact your local Trane before servicing. Follow proper lockout/tagout representative. procedures to ensure the power can not be inadvertently energized.When necessary to work with...
- Page 4 Copyright 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.
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Page 5: Table Of Contents
Table of Contents Overview ....... 6 Literature Referenced ....6 Model Number Descriptions . -
Page 6: Overview
This document is not meant to be provide a step-by-step procedure, but is intended to identify procedures or precautions that may be unique to a Trane compressor and should be taken into account to properly and safely remove, install, and troubleshoot the compressor. -
Page 7: Model Number Descriptions
CSHD = 6.2–15 Tons CSHN = 15–30 Tons CSHL = 30 Tons, LSPM motor Digits 5, 6, 7 — Nominal Capacity 075 = 075 MBtu/h CSHD 089 = 089 MBtu/h CSHD 092 = 092 MBtu/h CSHD 103 = 103 MBtu/h CSHD... -
Page 8: General Information
CSHN Rotolock equalizer nut 2-1/4 133 ± 5 N·m; 98± 7 ft·lb CSHD Terminal screws #10-32 X 0.5 in 2.75 ± 0.25 N·m; 25 ± 2 in·lb CSHN Terminal set screw and nut 3.4 ± 0.25 N·m; 30 ± 2 in·lb Ground screw (CSHD and CSHN) 1.90 ±... -
Page 9: Refrigerant Type
° Evaporating temperature (°F) Refrigerant Type WARNING CSHD and CSHN/CSHL compressors are approved for use Heavy Object! with R-410A refrigerant only. Any use of hydrocarbon refrigerants or air is strictly prohibited! Failure to follow instructions below could result in unit... -
Page 10: Pre-Installation Inspections
22. Use ONLY R-410A rated service equipment or Table 3. Compressor weight with full oil charge components with these units. For specific handling concerns with R- 410A, please contact your local Trane Model Weight (lb) representative. CSHD 075 - 092 CSHD 103 - 125 Figure 4. -
Page 11: Repair Recommendations
EPA Federal Clean Air Act or other state or local codes as appropriate. After refrigerant removal, use dry Note: For CSHD compressors, this requires removing oil nitrogen to bring system back to atmospheric pressure using a suction device through the oil equalizer before opening system for repairs. -
Page 12: Electrical Failure
If oil test kit is positive with strong pungent odor CSHD models and dark oil, drain and replace oil in all of the non-failed Since CSHD compressors do not have an oil drain valve compressors. that allows complete oil charge removal, it is... -
Page 13: Removal And Installation
Do not release refrigerant to the be unique to a Trane compressor and should be taken into atmosphere! Use Responsible Refrigerant Practices. If account to properly and safely remove and install the adding or removing refrigerant, the service technician compressor. -
Page 14: Compressor Replacement-Tandem And Trio Compressor Sets
Refer to Figure 6, p. 11 for the b. CSHD—Remove the oil equalizer fitting and use a location of the oil equalizer rotolock connection suction or pump device to remove the oil from the fitting. -
Page 15: Installation
Removal and Installation 4. It will be necessary to use an oil catch pan under the oil • Remove the suction plug before the discharge plug to equalizer connection to catch the oil when the avoid oil spray while opening the compressor. connection is loosened and removed. -
Page 16: Electrical Connections
Removal and Installation ii. Use 40% silver brazing alloy with flux. balance the oil level in the compressor. Refer to COM-SVN02*-EN, Installation: Restrictor (or the most iii. Start heating the tube first. Evenly heat the tube, recent version) for proper size and location of the location 1 (see Figure 10), until it reaches a dull... -
Page 17: Leak Detection
Removal and Installation CSHN/CSHL • Before removing wires, mark them so that they can be Figure 12. CSHD wiring diagram put back on the same terminal when the new compressor is installed. Blue mark • Insure that the compressor model terminals are... -
Page 18: Vacuum Testing And Evacuation
Removal and Installation NOTICE WARNING Compressor Motor Damage! Explosion Hazard! Never use the compressor as a vacuum pump. Never Failure to properly regulate pressure could result in a meg-ohm test or apply power to the compressor while violent explosion, which could result in death, serious it is in a vacuum. -
Page 19: Charging The System
Removal and Installation Charging the System NOTICE Improper Crankcase Heater Operation! WARNING Exception to the 8-hour minimum crankcase heater Hazardous Pressures! operation time. Failure to follow instructions below could result in a Apply power to the crankcase heater for a minimum of violent explosion, which could result in death or serious 8 hours prior to startup of the compressor! Failure to injury. -
Page 20: Start-Up
(see Figure 11, p. 17 Figure 12, p. 17). • CSHD: Proper torque for the terminal set screws is 25 in-lb. • CSHN/CSHL: Proper torque for the terminal set screws is 30 in-lb. COM-SVN01D-EN... -
Page 21: Maintenance
Maintenance Check the unit Installation, Operation, and Maintenance manual (see “Literature Referenced,” p. 6) for specific instructions. Operating conditions must always remain within the operating range of the compressor. This includes: • Operating pressures (suction and discharge pressure). • Operating temperatures (suction, discharge, and liquid). -
Page 22: Troubleshooting
– System overcharged with refrigerant. Check Compressor will not build up pressure superheat and system subcooling. • CSHD compressor is wired incorrectly—It will be noisy – Non-condensables in the system. and draw 1/2 the expected amps. Shut the compressor Low-pressure control opens off immediately. -
Page 23: Cshn Motor Protection Module Diagnosis
Troubleshooting Incorrect phase sequence – Plugged liquid line filter. – Liquid line solenoid valve does not open (if so Incorrect phase sequence protection—compressor will equipped). run approximately five seconds and trip off, pending the motor protection module is correctly wired into the system –... - Page 24 Troubleshooting Test the module within the terminal box If M1-M2 contacts are open, proceed as follows: 1. Check motor protection module for the correct input 1. Disconnect L-N voltage supply. voltage on terminals L and N. Voltage applied to 2. Disconnect S1-S2 PTC circuit on the module. module must match module input voltage as printed 3.
- Page 28 For more information, please visit trane.com or tranetechnologies.com. Trane has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice. We are committed to using environmentally conscious print practices.