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Pressuretrol controller Honeywell PA404A 1009
How can setup pressuretrol controller PA404A 1009?
I saw that my heating system turn on in the next setups, but I don't know which is the correct?
1. Differential dial on 2 and PSI on 9
2. Differential dial on 3 and PSI on 8
3. Differential dial on 4 and PSI on 6.5
4. Differential dial on 5 and PSI on 6