Core Refrigeration
with Mike Prokup
Wednesday May 1st
Class: 8:30 am – 3:00 pm
Click Here to Register
Note: This course allows for 5 hours toward NATE re-certification
This course will cover:
- Air properties and their influence upon the refrigeration system
- Why evaporator coil matches are critical
- How to calculate the theoretical capacity of a saturated refrigeration cycle
- How suction pressure and discharge pressure changes affect the system capacity
- How TXV metering provides better overall control
- How suction lines drop system capacity
- Troubleshooting the evaporator circuit using suction vapor superheat measurements
- Identifying metering piston problems
- Diagnostic test procedure: TXV and EEV
- Suction line sizing procedures
- Troubleshooting condenser coil circuits including parallel and subcooling loops
- Liquid subcooling levels
- Liquid line sizing, lift and distance limits
- Pressure drop limits and identifying restrictions
- Charge procedures for fixed and TXV systems
- Analyzing the complete system & making a confident diagnosis
- Evacuation procedure
