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A powerful micro PLC with the features of a PAC making it an ideal fit for demanding applications.

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Phillip
Phillip
Posts: 33

18 days ago
Looking at attached program, I am trying to stage 2 heatpumps whether they are in heating or in cooling. Just look at rung 5 and 6, is there an easier way to set my staging so that heat pump 1 starts the first time, and then if it cannot keep up, heat pump 2 will start. The next time they call for heat, I want heat pump 2 to start first and then heat pump 1. I would also like to set it up for up to 6 heat pumps where they will all have a chance to start first so the run times of each unit will be near the same. Any ideas are appreciated. Thanks

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Shane
Shane
Moderator
Posts: 334

18 days ago
Looks ok the way you've done it. Doesn't look like it would get too "busy" if you added more heat pumps building on what you have. I'm sure there are more efficient ways to do it, always is. I'll give it some thought and see if I have any ideas for you.
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