Example 1 illustrates a convenient wiring method (AC 230 V with bridge). If the load is not AC 230 V, see example 2.
Example 1: Loads = AC 230 V | Example 2: Loads Y1, Y2 ≠ AC 230 V |
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Y1 | Boiler, circulation pump, main zone valve or non-reversible heat pump |
Y2 | DHW |