Dismantling And Turning Motor; Direction Of Flow; Return Valve - ITT A 402 Serie Instructions D'installation Et D'entretien

A_AD 16.05.2007 8:22 Uhr Seite 51
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4.4.3 Dismantling
and turning motor
96 0569

4.5 Direction of flow

The arrow on the pump housing indicates the direction of flow.

4.6 Return valve

If a return valve has been installed, the pump has to be set up
(see point 6.4) so that the pump's minimum delivery pressure
can exceed the valve's closing pressure at any time.