Exam (elaborations)
Z-51 EXAM 2023|400 QUESTIONS AND ANSWERS
- Course
- Fdny z51
- Institution
- Havard School
How do automatic expansion valves work? Evaporator pressure closes the valve and spring pressure opens the valve. When will a faulty check valve cause the most damage? On startup. What will happen if a TEV'S sensing bulb insulation wears off of the suction line in an 85 F Degree roo...
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