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The Lucas-Nuelle CX3226-1A7 is a practical training system for teaching safe high-voltage isolation and lockout/tagout procedures for battery-electric, plug-in hybrid, and hybrid-electric vehicles.
Students learn to identify electrical hazards, choose an appropriate isolation method, verify that the vehicle is safe to service, investigate simulated faults, and recommission the vehicle after work is complete.
Designed For
- Vocational schools and community colleges
- OEM, fleet, and workforce training centers
- High school automotive programs
- Recognize electric-vehicle high-voltage hazards
- Become proficient with methods of vehicle isolation
- Investigate faults and system status
- Verify safe working conditions
- Reinitialize and recommission vehicles safely
Scan Tool Simulation
An integrated interface supports fault insertion and simulates a scan tool with diagnostic trouble codes and live data.
Multiple High-Voltage Isolation Methods
Training covers Live-Dead-Live measurements, manual service disconnects, 12-volt disconnection, cutting loops, high-voltage fuses, smart-key storage, scan-tool shutdown, and warnings for incorrect operation.
Simulated High-Voltage Circuit
The system represents an HV battery, contactor operation, high-voltage interlock loop, drive motor, DC/DC converter, and equipotential bonding circuit.
Guided Learning
Guided instruction modes and assessment activities reinforce correct procedures and decision-making.
Use of Real Workshop Tools
Students practice safety procedures using the same types of equipment used when servicing real vehicles.
Original Components
Authentic automotive components support safe, repeatable high-voltage training.
- High-voltage awareness
- High-voltage isolation methods
- Lockout/tagout procedures
- Safe-work-condition verification
- Diagnostic trouble code and fault investigation
- Safety decision-making
- Complete vehicle isolation and lockout/tagout
- Scan-tool shutdown
- Incorrect isolation procedure
- Procedure-validation failure
- Vehicle recommissioning verification
- High-voltage interlock fault investigation
- Equipotential bonding fault investigation
- Residual voltage after isolation
- Active insulation fault
- Unknown contactor status
- Collision-damaged vehicle assessment
- Authorization-limit recognition
- Unsafe-work-condition recognition
Some exercises may require separate testing equipment.
- Four-wire Kelvin milliohmmeter with a test current of at least 200 mA, resolution of 1 mOhm or better, and a pass threshold below 0.1 ohm
- Insulation and voltage tester or megohmmeter supporting 500 V and 1,000 V DC, a range of at least 200 MOhm, and a CAT III or CAT IV 1,000 V rating
Explore Thermal Science Through Hands-On Experiments
Watch an overview of Amatrol’s T7081 Applied Thermal Science Trainer, a tabletop learning system designed to help learners explore the principles behind HVAC/R, refrigeration, geothermal, steam, and other thermal systems.
The T7081 combines an interactive curriculum with components for experiments involving temperature, pressure, thermal expansion, gas laws, heat transfer, phase change, evaporative cooling, and refrigeration thermodynamics. These hands-on activities help learners connect scientific concepts with the operation of real thermal systems.
Hands-On HVAC/R Operation, Troubleshooting, and Environmental Applications
See how Amatrol’s T7082A Air Conditioning/Heat Pump Troubleshooting Learning System helps learners develop practical skills in HVAC/R system operation, measurement, adjustment, and fault diagnosis.
The video also introduces the T7083 Environmental Applications Learning System, which models a residential structure and allows learners to explore how insulation, humidity, solar heat, lighting, ventilation, air movement, and other conditions affect heating and cooling performance.
Together, the systems connect HVAC/R equipment operation and troubleshooting with the environmental and building conditions technicians must consider when evaluating system performance.
Download the brochure for Amatrol’s Air Conditioning/Heat Pump Troubleshooting Learning System (T7082A). This hands-on HVAC/R trainer combines a fully operational air-conditioning and heat-pump system with FaultPro electronic fault insertion.
Review the system’s components, learning topics, curriculum, technical requirements, and troubleshooting capabilities. Learners develop practical skills in refrigeration-system operation, temperature and pressure measurement, compressors, condensers, evaporators, metering devices, reversing valves, and component- and system-level troubleshooting.
Explore Amatrol’s Refrigerant Recovery and Charging Learning Systems in this short video overview. The video introduces the T7031 for R-134a and T7032 for R-410A, showing how professional service equipment and interactive curriculum support hands-on HVAC/R training.
See How Refrigerant Service Training Connects Theory and Practice
The overview highlights equipment such as manifold gauges, a submersible cooler, a temperature probe, and a vacuum gauge. It also explains how learners use Amatrol’s eLearning curriculum to study leak detection, pressure and temperature measurement, and recovery preparation before applying those concepts through practical activities.
Skills Highlighted in the Video
- Checking refrigerant systems for leaks using a bubble solution
- Removing a service-port valve core
- Measuring refrigeration system pressure with a gauge manifold
- Connecting refrigerant service theory with hands-on equipment use
Explore the Featured Training Systems
R-134a Refrigerant Recovery and Charging Learning System — T7031
The T7031 supports refrigerant recovery and charging training with a compatible R-134a system. It combines service equipment with multimedia curriculum covering refrigerant fundamentals, leak detection, measurement, recovery, and charging.
Explore the Amatrol T7031 R-134a training system.
R-410A Refrigerant Recovery and Charging Learning System — T7032
The T7032 provides refrigerant recovery and charging training for compatible R-410A systems. Learners develop practical service skills using professional tools alongside Amatrol’s interactive multimedia curriculum.
Explore the Amatrol T7032 R-410A training system.
Build Your HVAC/R Training Program
Contact Tech-Labs for help selecting refrigerant recovery and charging equipment that matches your program’s training systems, refrigerant types, and instructional goals.
Join Amatrol’s Jason Everett for a look at the T7031 and T7032 Refrigerant Recovery and Charging Learning Systems. This video introduces equipment used to teach refrigerant service skills with R-134a and R-410A systems and explores how component cutaways support HVAC/R instruction.
Explore Hands-On Refrigerant Recovery and Charging Training
Amatrol’s refrigerant recovery and charging systems combine professional tools with curriculum that helps learners connect HVAC/R theory to practical service tasks. The T7031 supports R-134a training, while the T7032 supports R-410A training.
Everett introduces the training equipment and explains its role in preparing students to work with heating and air conditioning systems. Educators can use this overview to explore refrigerant service training options for their HVAC/R labs.
See Inside HVAC Components with Cutaway Trainers
The video also introduces DAC Worldwide cutaway training solutions. These sectioned valves, compressors, and other components reveal internal features that students cannot normally see from the outside.
Pairing equipment-based training with component cutaways helps instructors connect system operation with the internal construction of HVAC/R components.
Video Highlights
- Overview of Amatrol’s T7031 and T7032 refrigerant recovery and charging systems
- Training options for R-134a and R-410A refrigerants
- Professional tools and components used in hands-on HVAC/R instruction
- Curriculum supporting refrigerant recovery and charging skills
- DAC Worldwide cutaways that reveal internal HVAC component construction
Explore the Featured Amatrol Systems
- T7031 R-134a Refrigerant Recovery and Charging Learning System — Refrigerant service training for use with a compatible R-134a system.
- T7032 R-410A Refrigerant Recovery and Charging Learning System — Refrigerant service training for use with a compatible R-410A system.
Plan Your HVAC/R Training Lab
Contact Tech-Labs for help selecting refrigerant service trainers and component cutaways that support your curriculum. Our team can help you review equipment compatibility and build a training package around your program’s instructional goals.
This brochure introduces Amatrol’s Refrigerant Recovery and Charging Learning Systems for R-134a (T7031) and R-410A (T7032). These systems combine professional HVAC/R service equipment with interactive multimedia curriculum to develop refrigerant recovery, measurement, leak detection, and charging skills.
The brochure outlines equipment such as recovery machines, manifold gauges, temperature probes, vacuum pumps, and micron vacuum gauges. It also describes curriculum that connects refrigerant principles with hands-on service activities.
- Refrigerant fundamentals and environmental regulation
- Leak detection methods and equipment
- Pressure and temperature measurement
- Compound gauge operation
- Refrigerant recovery and recycling
- Refrigerant handling and storage procedures
- Refrigerant charging methods, including blended refrigerants
Explore the Amatrol Industrial Refrigeration Learning System (T7500) in this video overview. Learn how industrial components, smart controls, and integrated troubleshooting activities help prepare students to operate and maintain large commercial and industrial refrigeration systems.
Explore Industrial Refrigeration Training Equipment
The overview introduces a training workstation equipped with a scroll compressor, water-cooled condenser, air-cooling evaporator, and water-cooling evaporator for chiller applications. Additional components support instruction in defrost, hot gas bypass, variable frequency drives, and water circulation.
These components give learners opportunities to connect refrigeration theory with equipment operation and system performance.
Connect Smart Controls with Practical Skills
The T7500 supports training with programmable chiller and smart refrigeration controllers. Learners practice controller configuration, operate a chiller-controlled variable frequency drive, and use Bluetooth communication to monitor a smart chiller controller.
Amatrol’s multimedia curriculum supports 34 hands-on skills, progressing from industrial refrigeration fundamentals to multi-zone operation and troubleshooting.
Build Troubleshooting Skills with FaultPro
The video also highlights FaultPro computer-based fault insertion. The T7500 provides 35 faults involving mechanical components, electrical components, and controllers, giving instructors a way to introduce realistic diagnostic challenges.
Learners apply their understanding of system operation to investigate problems such as insufficient cooling in a water-to-air industrial refrigeration system.
Video Highlights
- Industrial refrigeration workstation components and training applications
- Water-to-air refrigeration and chiller systems
- Smart refrigeration and programmable chiller controllers
- Chiller-controlled VFD operation
- Bluetooth monitoring and mobile-app activities
- Multi-zone industrial refrigeration training
- Mechanical, electrical, and controller troubleshooting with FaultPro
Explore the Featured Learning System
Amatrol T7500 Industrial Refrigeration Learning System combines hands-on equipment, multimedia curriculum, and troubleshooting activities for HVAC/R education.
Contact Tech-Labs for help reviewing the T7500’s capabilities, lab requirements, and role in your industrial refrigeration training program.
Build Essential HVAC/R Skills Through Hands-On Training
HVAC/R Foundations Learning Systems introduce the thermal-science and mechanical-refrigeration principles learners need before advancing into air-conditioning, heat pumps, refrigerant service, controls, and system troubleshooting.
Using hands-on equipment and interactive curriculum, learners explore temperature, pressure, heat transfer, phase change, gas laws, refrigeration cycles, and the operation of essential HVAC/R components.
Connect HVAC/R Theory with Practical Skills
Amatrol’s foundational HVAC/R systems help learners observe, measure, and apply technical concepts using physical experiments and a working refrigeration system. Programs can begin with thermal science and progress into basic refrigeration operation, measurement, and performance evaluation.
Thermal Science
Explore temperature, pressure, heat transfer, thermal expansion, gas laws, enthalpy, phase change, and the principles of thermodynamics.
Mechanical Refrigeration
Study refrigeration cycles and the operation of compressors, condensers, evaporators, metering devices, controls, and refrigerant circuits.
Hands-On Learning
Reinforce technical concepts through guided experiments, system measurements, equipment operation, interactive exercises, and knowledge checks.
- Temperature and pressure measurement
- Conduction, convection, and radiation
- Latent and sensible heat
- Gas laws and thermodynamic properties
- Thermal expansion and phase change
- Refrigeration-system operation
- Compressors, condensers, and evaporators
- Metering and expansion devices
- Refrigerant pressure and temperature controls
- System measurement and performance evaluation
These HVAC/R foundations systems are designed primarily for high school CTE programs, technical schools, community colleges, apprenticeship programs, workforce-development organizations, and industrial training centers. The Thermal Science Learning System may also support appropriately supervised STEM and introductory engineering activities.
After mastering foundational thermal-science and refrigeration concepts, learners can progress into air-conditioning and heat pumps, refrigerant service, installation, controls, and advanced troubleshooting.
Develop Hands-On Refrigerant Service and Diagnostic Skills
Refrigerant Service and Diagnostics Learning Systems help learners develop the measurement, recovery, evacuation, charging, and system-evaluation skills used by HVAC/R technicians.
Using professional service equipment and interactive curriculum, learners practice working with R-134a, R-410A, and R-454B refrigerants while learning to interpret pressure, temperature, superheat, subcooling, and evacuation measurements.
Practice with Professional HVAC/R Service Equipment
Amatrol’s refrigerant service systems combine real-world tools with guided learning activities. Learners gain experience using recovery machines, vacuum pumps, refrigerant scales, service hoses, manifold gauges, temperature probes, leak-detection tools, and digital diagnostic instruments.
Recovery and Charging
Practice refrigerant recovery, recycling, evacuation, charging, leak detection, and service-valve procedures using professional HVAC/R equipment.
System Diagnostics
Measure pressure and temperature, calculate superheat and subcooling, evaluate system charge, and interpret HVAC/R operating conditions.
Modern Refrigerants
Support training for installed R-134a and R-410A equipment while preparing learners to work with R-454B and current A2L service practices.
- Refrigerant properties and pressure-temperature relationships
- Refrigeration-system leak detection
- Refrigerant recovery and recycling
- System evacuation and vacuum measurement
- Refrigerant charging procedures
- Operating-pressure measurement
- Pipe and refrigerant-temperature measurement
- Superheat and subcooling calculations
- System-charge evaluation
- Gauge-manifold setup and operation
- Digital probes and connected diagnostic tools
- Service procedures for conventional and A2L refrigerants
HVAC/R technicians may encounter several refrigerant types throughout their careers. Training with R-134a and R-410A supports service work on existing refrigeration, residential, and light-commercial equipment, while R-454B training helps programs prepare learners for newer systems using mildly flammable A2L refrigerants.
The Digital Gauge Manifold Learning System extends these skills by helping learners measure and interpret system conditions using modern digital instruments, wireless probes, and connected applications.
These systems are designed primarily for high school HVAC/R and CTE programs, technical schools, community colleges, apprenticeship programs, workforce-development organizations, and industrial training centers.
Refrigerant handling activities require appropriate supervision, compatible equipment, and compliance with applicable safety and certification requirements. In the United States, instructors conducting regulated refrigerant activities may need EPA Section 608 certification.
HVAC/R Foundations
Refrigerant Service and Diagnostics
Air Conditioning and Heat Pumps
Installation and Controls
Commercial and Industrial Systems
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