What You’ll Learn:

File Format Fundamentals

• Understanding .DAS and .DAK raw data files
• Exporting service checker data to CSV format
• Proper file naming conventions and folder structure

Excel Macro Magic

• How macros overlay real data onto piping diagrams
• Visual representation of temperature sensors and pressure readings
• Time-stamped data analysis with interactive controls

Real-World Troubleshooting

• Identifying system problems through data correlation
• Understanding compressor speed relationships to saturation temperatures
• Spotting restrictions, plugged strainers, and expansion valve issues

Data Interpretation Skills

• Reading superheat and subcooling values from live data
• Analyzing target vs. actual temperatures
• Understanding inverter compressor ramping behavior

System Operation Insights

• Master/sub unit configurations in multi-unit systems
• Cooling vs. heating mode data differences
• Safety control monitoring and protection systems

Key Features Covered:

• Service Checker data export process
• C:\Data folder setup requirements
• Macro version compatibility (up to VRV systems)
• Visual piping diagram overlays with live sensor data
• Timestamp navigation through recorded data
• Compressor speed correlation to system performance

Perfect For:

• HVAC technicians working with VRV systems
• Service managers training technical staff
• Anyone wanting to master advanced VRV troubleshooting
• Technicians struggling to interpret service checker data

These macros are learning tools designed to help you understand system correlations and develop troubleshooting skills for real-world application. Master these concepts to become more efficient at diagnosing VRV system issues on-site!