mazda Workshop Repair Guides

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High Pressure Safety Valve HVAC: Description and Operation

An A/C compressor pressure relief valve is incorporated in the compressor A/C manifold and tube to:

- Relieve unusually high refrigerant system discharge pressure buildups, (3103 kPa 450 psi and above).
- Prevent damage to the A/C compressor and other system components.
- Avoid total refrigerant loss by closing after the excessive pressure has been relieved.

Heating and Air Conditioning > High Pressure Safety Valve HVAC > Component Information > Description and Operation

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