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Pump PID legend

2018-03-27View Original

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What do YL, YLM, and HSS II mean below the pump? Please help
Reply #22018-03-27
Look at the PID legend; it’s different from what’s used in other systems
Reply #32018-03-27
I’m confused; you can take a look at the homepage image of the P&ID, where there are explanations for the instrument symbols. YL operation status, YLM motor operation status, HSS manual switch interlock.

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