Pump-solutions-group Neptune Solenoid-driven Diaphragm Metering Pump AR Manuel d'utilisateur télécharger pdf (Page 28)

Operation

Air releasing

(1) Before proceeding with the air releasing, check that the end of the air-release hose has been led back to the tank or

other container.

(2) Turn off the pump’s power, and release the pressure inside the discharge-side pipe.

(3) Set the discharge volume to the maximum level. (See page 28)

(4) Turn on the pump’s power to start operating the pump.

(5) After a few moments air will exit from the air-release port together with the liquid.

(6) After all the air has been released, shut down the pump.

Air-

release

port

Air-release hose

Air-release knob

(1) Insert the air-release hose provided into the air-release port.

(2) Return the other end of the air-release hose to the tank or other container, and secure it firmly.

(3) Turn off the pump’s power, and release the pressure inside the discharge-side pipe.

(4) Set the discharge volume to the maximum level. (See page 28)

(5) Turn on the pump’s power to start operating the pump.

(6) While operating the pump, turn the air-release knob counterclockwise for 1 to 1-1/2 turns.

(7) After a few moments air will exit from the air-release port together with the liquid.

(8) After all the air has been released, turn the air-release knob clockwise, and tighten it securely.

(9) Shut down the pump.

NOTE

• If it is difficult to release the air completely, repeatedly open and close the air-release knob.

Model w/ automatic air-release function for injection of sodium hypochlorite: ARPZ-31/61/12

Model for injection of sodium hypochlorite: PZ-31/61/12-CL

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Pump-solutions-group Neptune Solenoid-driven Diaphragm Metering Pump AR Manuel d'utilisateur Page 28