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Re: Robinair AC690PRO Fault code of 'HIGH PRESSURE'
Posted to HVAC Forum on 2/2/2020 11 Replies

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The high pressure switch is usually routed after the compressor discharge. The switch opens at 425 psi, and resets at 320 psi. Just to note: the switch is a safety switch, and the venting you have is... Login to read more.

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