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Fig. 3.1 Change region of the voltage and frequency
3.6 Checking Operation After Installation
1) Remove the rubber caps from the inlet and outlet.
2) Check that the pump switch is OFF (set to O), and connect the power supply.
Note: Ensure that the power cord is sufficient for the rated voltage and current.
Note: Extension cords should be 3-wire, with lead wires having a cross-sectional area of at
least 1.0 mm
2
.
3) Turn the switch ON (set to l) and check that gas is being drawn into the inlet.
4) When this check is complete, turn the power switch OFF (set to O) to stop the pump.
