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Installation Instructions
Start to Finish™ Compressors
SFCOM072***2MSNBC
SFCOM072***7PSNB
SFCOM084***2MSNBC
SFCOM084***7PSNBC
SFCOM096***2MSNBC
SFCOM096***7PSNBC
SFCOM108***2MSNBC
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.
August 2020
SFCOM108***7PSNBC
SFCOM110***2MSNBA
SFCOM110***7PSNBA
SFCOM120***2MSNBC
SFCOM120***7PSNBC
SFCOM125***2MSNBA
SFCOM125***7PSNBA
SAFETY WARNING
PART-SVN229E-EN
SFCOM144***2MSNBA
SFCOM168***2MSNBA
SFCOM168***7PSNBA
SFCOM180***2MSNBA
SFCOM180***7PSNBA
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Table of Contents
Related Manuals for Trane Start to Finish SFCOM072 2MSNBC Series
Summary of Contents for Trane Start to Finish SFCOM072 2MSNBC Series
- Page 1 Installation Instructions Start to Finish™ Compressors SFCOM072***2MSNBC SFCOM108***7PSNBC SFCOM144***2MSNBA SFCOM072***7PSNB SFCOM110***2MSNBA SFCOM168***2MSNBA SFCOM084***2MSNBC SFCOM110***7PSNBA SFCOM168***7PSNBA SFCOM084***7PSNBC SFCOM120***2MSNBC SFCOM180***2MSNBA SFCOM096***2MSNBC SFCOM120***7PSNBC SFCOM180***7PSNBA SFCOM096***7PSNBC SFCOM125***2MSNBA SFCOM108***2MSNBC SFCOM125***7PSNBA 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.
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Page 2: Warnings, Cautions, And Notices
In addition, some states or municipalities may have additional requirements that must also be adhered to for responsible management of refrigerants. Know the applicable laws and follow them. © 2020 Trane PART-SVN229E-EN... -
Page 3: Revision History
Follow EHS Policies! Failure to follow instructions below could result in death or serious injury. • All Trane personnel must follow the company’s Environmental, Health and Safety (EHS) policies when performing work such as hot work, electrical, fall protection, lockout/tagout, refrigerant handling, etc. -
Page 4: Table Of Contents
Table of Contents Model Number Descriptions ....5 General Information ..... 6 Dimensional Data . -
Page 5: Model Number Descriptions
Model Number Descriptions Digit 1, 2 — Brand SF = Start to Finish™ Digit 3, 4, 5 — Unit Type COM= Scroll Compressor Digit 6, 7, 8 — Nominal Capacity 072 = 72 MBtu/h 084 = 84 MBtu/h 096 = 96 MBtu/h 108 = 108 MBtu/h... -
Page 6: General Information
General Information Table 1. Available Start to Finish™ R-22 compressors Table 2. Available Start to Finish™ R-407C compressors Model Number Service Part Number Model Number Service Part Number SFCOM0722302MSNBC SFCOM072-2302BC SFCOM0722307PSNBC SFCOM073-2307BC SFCOM0724602MSNBC SFCOM072-4602BC SFCOM0724607PSNBC SFCOM073-4607BC SFCOM0725752MSNBC SFCOM072-5752BC SFCOM0725757PSNBC SFCOM073-5757BC SFCOM0842302MSNBC SFCOM084-2302BC SFCOM0842307PSNBC... -
Page 7: Dimensional Data
Dimensional Data Figure 1. SFCOM110 and SFCOM125 compressors (a) The Start to Finish™ compressors are optimized for R-22 and mineral oil but can also be used for R-407C and POE oil. PART-SVN229E-EN... - Page 8 Dimensional Data Figure 2. SFCOM144 compressors (a) The Start to Finish™ compressors are optimized for R-22 and mineral oil but can also be used for R-407C and POE oil. PART-SVN229E-EN...
- Page 9 Dimensional Data Figure 3. SFCOM168 and SFCOM180 compressors (a) The Start to Finish™ compressors are optimized for R-22 and mineral oil but can also be used for R-407C and POE oil. PART-SVN229E-EN...
- Page 10 Dimensional Data Figure 4. SFCOM072 and SFCOM084 compressors (a) The Start to Finish™ compressors are optimized for R-22 and mineral oil but can also be used for R-407C and POE oil. PART-SVN229E-EN...
- Page 11 Dimensional Data Figure 5. SFCOM096, SFCOM108, and SFCOM120 compressors (a) The Start to Finish™ compressors are optimized for R-22 and mineral oil but can also be used for R-407C and POE oil. PART-SVN229E-EN...
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Page 12: Compressor Oils
Compressor Oils Approved Oils Interchangeability of Compressors Introduction This chapter explains the different use of approved oils for Start to Finish™ scroll compressors. It discusses the logic for different oils shipped in both factory units and service replacement compressors. It does not completely cover all compressors in use with other manufacturers’... -
Page 13: Oil Equalizer Cap And Equalizer Line
Oil Equalizer Cap and Equalizer Line BAg-28 cadmium free brazing alloy such as J.W. Harris-Safety-Silv 1200, Handy & WARNING Harman-Braze 560, Engelhard-Braze-it 56F, or Hazard of Explosion and Deadly Gases! equivalent. Failure to follow all proper safe refrigerant handling Note: When brazing, always provide a nitrogen purge to practices could result in death or serious injury. - Page 14 Oil Equalizer Cap and Equalizer Line rubber plug in the suction connection through which the nitrogen purge is introduced into the compressor. After operating the compressor, check the oil level in the compressor sight glass; if necessary, add enough oil to bring the level to 1/2 sight glass in the up-stream compressor on the suction line.
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Page 15: Bracket Information
Bracket Information Typical Hand-cuff Bracket Important: Brackets are only used with Start to Finish™ compressors where model number Assembly Digit 17 = A. Refer to “Model Number Descriptions,” p. 5 for more information. Figure 6. Typical installation (nominal 25-ton circuit Discussion shown) Begin by determining the configuration of the unit where... -
Page 16: Typical Spacer Bracket Assembly
Compressors downstream compressors can be a mix of Start to Finish Flow or Trane compressors with or without orifices. Suction Line Do NOT substitute using field fittings or tubing when First connecting suction piping. Existing suction pipe must be... -
Page 17: Electrical Information
Bracket Information Electrical Information Table 4. Replacement circuit breakers and contactors Important: This electrical information pertains only to Replacement Compressor Circuit Replacement Start to Finish™ compressors where model Tons Voltage Breaker Contactor number Digit 17 = A. Refer to “Model 208-230 BKR00831 Number Descriptions,”... -
Page 18: Isolator Removal
Bracket Information Figure 10. Typical high pressure control wiring Figure 12. Isolator Existing Start to Finish Compressor Compressor Figure 11. KIT05446, high pressure control installation Pressure Control Suction Line Discharge Line Note: KIT05446 includes; (1) TEE00202 (1) CNT00510 (1) CAP00209 Base Rail Rubber Isolator Washer Remove this... - Page 19 Bracket Information Figure 13. Oil level for manifold compressors Figure 15. Oil equalizer adapter (required for three- and four-compressor manifold set) Normal Minimum Oil Level Oil Level Oil Sight Glass O-Ring Included During 15/16-20 UNEF Operation Downstream Upstream Oil Sight Glass Oil Sight Glass Oil Level Higher Oil Level Lower...
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Page 20: Parts Selection
Bracket Information Parts Selection Does the customer need replacement oil? Does the customer have general questions about oil? Is the Start to Finish™ compressor going to be installed in a manifold application? Refer to “Compressor Oils,” p. 12 “Oil Information,” p. -
Page 21: Electrical Phasing
Electrical Phasing CAUTION WARNING Hot Surfaces! Hazardous Voltage! Failure to follow instructions below could result in Failure to disconnect power before servicing could minor to moderate injury. To avoid possible skin burns, result in death or serious injury. Disconnect all electric stay clear of the top of the compressor. -
Page 22: Troubleshooting
Troubleshooting compressor must not be allowed to run into a Causes of Compressor Failure vacuum. Compressor failure is usually the result of system • Check the low pressure switches to ensure that they deficiencies. Failure to look for and correct the cause of the are operating properly. - Page 23 Troubleshooting less. Once 500 microns has been obtained, a time vs. pressure rise should be performed. Maximum allowable rise over 15 minutes is 200 microns. 10. Charge Properly—Refrigeration systems require accurate charging. Weigh the charge in or charge system to proper subcooling value. Refer to unit operation/maintenance manual for proper charging methods and proper superheat/subcooling valves.
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Page 24: Log Sheet
Log Sheet Replacement Scroll Compressors Complete and retain a record in the job file for future reference. Log Sheet for Installers Job Name: Job Address: Equipment Model Number: Equipment Serial Number: Compressor Model Number: Compressor Serial Number: Startup Date: Table 7. System operating data Refrigeration Data Circuit 1... -
Page 25: Systems Check
Log Sheet Table 11. Condenser Type Air Cooled Water Cooled Entering Temperature Leaving Temperature Ambient Not Applicable Number of Fans ON Not Applicable Clean (Yes/No) Table 12. Evaporator Type DX-Air DX-Water Entering Temperature Leaving Temperature CFM/GPM Clean (Yes/No) Chiller pressure drop Not Applicable Systems Check ... - 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.
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