Shindaiwa DGK150DU Owner's Manual page 28

● 208 Volt Three Phase and 120 Volt Single Phase Switch Position
● 240 Volt Single Phase and 120 Volt Single Phase Switch Position
< NOTE >
Select the voltmeter selector switch for L3-L1 position and the ammeter selector switch for
L1 or L3 position when the Voltage Selector Switch is set for 1 Phase 240/120V position.
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