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Heavy Refrigeration Courses

All courses are held in Trane La Crosse, Wisconsin, Technical Training Center, unless noted otherwise. For more information, contact the La Crosse Technical Service Training Department or by calling 608-787-3948. There is a waiting list for full classes; Please call us to have your name added to the list.

For course dates and objectives, outlines and enrollment information, refer to the online class list or the course catalog.

Scroll Liquid Chiller System Service & Troubleshooting

Tues-Thurs 8:00 a.m-4:30 p.m.; Fri. 8:00 a.m.-11:00 a.m.
(3.5 Days

This service level course covers the operation, diagnosis and troubelshooting for the Model CGAM AquastreamTM liquid chiller 20-130 ton, CGAF IntellipakTM Scroll Chiller 20-60 ton and CGWF Scroll Chiller 20-60 ton with additional detailed coverage of R-22 and R-410a refrigeration system components, chiller logging and maintenance procedures. Trane Scroll CSHA, CHSD and CSHN compressors construction, operation, maintenance requirements and troubleshooting will also be discussed. Factory Recommended installation, start up procedures and chiller logging will be discussed in detail.<

RTAA / RTWA / RTUA Rotary Chillers

Tues-Thurs 8:00 a.m-4:30 p.m.; Fri. 8:00 a.m.-11:00 a.m.
(3.5 Days)

Course Benefits

This course provides training for service and facility maintenance technicians who need to understand the operation, diagnosis, and maintenance of Trane RTAA and RTWA helical-rotary chillers. The course provides insights into compressor design, unit operation, unit installation, start-up requirements, unit performance and service diagnosis. Specific service steps are covered for refrigerant handling and component service.

Note: This course may be held at the Training Center in La Crosse, WI or at an alternate factory location. The sessions at the factory include a factory tour. Refer to the online course list or course catalog for individual class locations.

Note: Students attending the course in Pueblo, Colorado should bring a basic function electronic calculator.

RTAC / RTWD Rotary Chillers

Mon-Thurs 8:00 a.m-4:30 p.m.; Fri. 8:00 a.m.-11:00 a.m.
(3.5 Days)

Course Benefits

This course provides training for service and facility maintenance technicians who need to understand the operation, diagnosis and maintenance of Trane RTAC and RTWD helical-rotary chillers. The course provides insights into compressor design, unit operation and installation, start-up requirements, performance and service diagnosis. Specific service steps are covered for refrigerant handling and component service.

Note: This course may be held at the Training Center in La Crosse, WI or at an alternate factory location. The sessions at the factory include a factory tour. Refer to the online course list or course catalog for individual class locations.

Note: Students attending the course in Pueblo, Colorado should bring a basic function electronic calculator.

RTHA / RTHB Rotary Chillers

Tues-Thurs 8:00 a.m-4:30 p.m.; Fri. 8:00 a.m.-11:00 a.m.
(3.5 Days)

Course Benefits

This course provides training for the service technician who needs to understand the operation, diagnosis and maintenance of Trane RTHA and RTHB helical-rotary chillers. The course provides insights into compressor design, unit operation, unit installation, start-up requirements, unit performance and service diagnosis. Specific service steps are covered for refrigerant handling and component service.

Note: This course may be held at the Training Center in La Crosse, WI or at an alternate factory location. The sessions at the factory include a factory tour. Refer to the online course list or course catalog for individual class locations.

RTHC / RTHD Rotary Chillers

Tues-Thurs 8:00 a.m-4:30 p.m.; Fri. 8:00 a.m.-11:00 a.m.
(3.5 Days)

Course Benefits

This course provides training for service technicians who need to understand the operation, diagnosis and maintenance of Trane RTHC and/or RTHD helical-rotary chillers. The course provides insights into compressor design, unit operation, unit installation, start-up requirements, unit performance and service diagnosis. Specific service steps are covered for refrigerant handling and component service.

Note: This course may be held at the Training Center in La Crosse, WI or at an alternate factory location. The sessions at the factory include a factory tour. Refer to the online course list or course catalog for individual class locations.

Single-Stage ABS Chillers (ABSC, ABSD)

Mon-Thurs. 8:00 a.m.-4:30 p.m.,
Fri. 8:00 a.m.-11:30 a.m. (4.5 Days)

Course Benefits

This course is the most thorough and comprehensive presentation ever offered by Trane on the foundational understanding of absorption chillers and their refrigeration cycle. Coverage includes a detailed view of absorption chiller components, detailed instruction in the "theory of absorption chiller operation" and in the lithium bromide chemical cycle (includes hands-on), the chemistry of inhibitors, overview of capacity control system operation, crystallization causes and effects, purge system operation and performance and operator logging recommendations.

The primary emphasis is placed upon the single-stage absorption systems. Students will be involved in hands-on activities, utilizing an operating chiller, intended to build the confidence needed to service absorption products.

2-Stage Indirect & Direct-Fired ABS Chillers

Mon.-Thurs. 8:00 a.m.-4:30 p.m.,
Fri. 8:00 a.m.-11:30 a.m. (4.5 Days)

Course Benefits

Following a brief review of the absorption refrigeration cycle, this course delves directly into product specifics, including construction, operation and control, required maintenance, service and troubleshooting for each of Trane absorption chiller products, including "Classic" Trane ABTD/E two-stage chillers, Horizon™ two stage machines and Trane ThermaChill™ direct-fired absorption chillers.

This course includes coverage of the lithium bromide chemical cycle, the chemistry of inhibitors, specific discussion of capacity control systems for each chiller, crystallization causes and effects, purge system operation, performance and operator logging recommendations.

During this course, students will be participating in hands-on activities in our training lab, utilizing a fully operational absorption chiller equipped with UCP2™ micro-control. This provides our students a practical, hands-on opportunity to build the confidence needed to service absorption products.

CenTraVac™ Systems Fundamentals

Mon.-Thurs. 8:00 a.m.-4:30 p.m.,
Fri. 8:00 a.m.-11:30 a.m. (4.5 Days)

Course Benefits

This course will familiarize owner maintenance supervisors and technicians with Trane centrifugal chiller operation and maintenance requirements and help them understand chilled water systems and load-based chiller control dynamics. The course will help technicians troubleshoot chilled water systems and will help owners decide if work can be done in house or not. While not intended as a hands-on repair class, maintenance technicians can particularly benefit from coverage on diagnosing and maintaining machine design performance, understanding control sequences, and discussions of newly available refrigerants and chiller conversion options. Students will have the opportunity to observe the manufacturing and the assembly of key components in a factory tour. This course relies primarily on classroom lecture and discussion.

CenTraVac™ Electronic Controls

Mon.-Thurs. 8:00 a.m.-4:30 p.m.,
Fri. 8:00 a.m.-11:30 a.m. (4.5 Days)

Course Benefits

This course is intended to update experienced service technicians on Trane CenTraVac chiller control technology. Detailed coverage includes electronic capacity modulation controls found on all Trane centrifugal chillers manufactured between 1993 and the present. Earlier model control systems are not discussed in depth. This course covers the UCP2™, Tracer CH530™ and Tracer AdaptiView™ system currently in use. It is an intensive troubleshooting and service course for technicians who regularly work with Trane CVHE, CVHF, CVHG and CDHF centrifugal chillers. This course does not cover helical rotary chiller control systems.

CenTraVac™ Mechanical Service

Mon.-Thurs. 8:00 a.m.-4:30 p.m.,
Fri. 8:00 a.m.-11:30 a.m. (4.5 Days)

Course Benefits

This course will broaden any technician’s level of service and overhaul expertise. It will help them gain confidence and experience in system start-up, maintenance, repair and major overhaul of water-cooled CenTraVac chillers. The course provides learning situations not otherwise available or that may take months or even years of on-the-job exposure to encounter.

This course lays a substantial foundation for the technician’s continued professional growth and provides familiarity with other centrifugal chiller products. This is a mechanical service course only. Controls course attendance is required for complete CenTraVac chiller service coverage.

  • The student must have previous heavy refrigeration service experience.
  • The student must attended Trane "CenTraVac Systems Fundamentals" course or have two or more years service exposure to centrifugal equipment.
  • The student must have skills with close-tolerance measuring instruments.
  • The student must have experience with shop rigging of heavy components (over 150 lbs), and have completed a "Technician Agreement" form attesting to the above conditions.