Rack Refrigeration Cycle Part 8 - Sight Glass and Liquid Line Solenoid

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In this detailed training session, Matthew Taylor breaks down two critical components of rack refrigeration systems: sight glasses and liquid line solenoids. Learn about:

Proper sight glass positioning and what different conditions tell you about your system
How to interpret moisture indicators and when they need replacement
The three key locations where sight glasses are commonly installed
Why horizontal mounting is preferred over vertical for better diagnostics
Understanding liquid line solenoid sizing (it's not based on pipe size!)
How to use sizing charts and correction factors for proper solenoid selection
The impact of subcooling on solenoid valve sizing and system performance
Common installation mistakes and troubleshooting tips

This is Part 8 in our comprehensive Rack Refrigeration Cycle series, perfect for technicians looking to enhance their commercial refrigeration knowledge.

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