Annovi Reverberi AR 135 bp 사용 설명서 - 페이지 12

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General guidelines on water supply connection

To operate correctly, the diaphragm pump must draw in liquids from containers at atmospheric pressure.

Do not supply the pump with pressurised liquids.

For continuous duty, the pump should not draw in water by gravity from containers with liquid level at heights

above 3 m.

POSITIVE HEAD

ZERO HEAD

NEGATIVE HEAD

UN003415-EW

For continuous duty, the pump should not draw in liquids by vacuum from containers with the liquid level

more than 3 m below the pump intake fitting and the circuit must consist of hoses of length and diameter ap-

propriate to the pump intake fitting (see "Technical Data"), free from restrictions and elbows, and with a filter

of suitable capacity (see "Installation").

For occasional duty, such as filling water supply tanks, the pump can be operated at a vacuum drawing in liq-

uids from reservoirs having the surface of the liquid up to 5 m below the pump intake fitting, for periods of no

more than 15 minutes.

Drawing in liquids from lower levels or for longer times causes cavitation in the pump circuit and re-

duces the lifetime of the diaphragms, valves and mechanical parts.

English language

INSTALLATION INSTRUCTIONS

PUMP

VACUOMETER

ZERO HEAD

WARNING!

MAXIMUM OPERATING

TIME 15 MINUTES

NEGATIVE HEAD

Use and Installation