Omega OF916FKXP Instruction Manual page 12

Three-Phase electric connection
The cookers that can also be connected to three-phase systems normally are factory built for the single-phase 230V connection
and are supplied with a power cord. Based on the connection system used, install the power cord type indicated in table No.3.
To use the selected connection system change the jumpers on the terminal strip as indicated in the diagram of (Fig.15)
Fig. 15
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