0678106030L02 1411V002 77
Mounting
head� A G1/8" to G1/4" adapter is required for
series KV8�
Start-up against negative pressure
The units will not start up against negative pres-
sure
• Before the unit is started up, it must always be
purged on the suction side (e�g� via a me-
chanical vent valve in the pressure switch or
via a solenoid valve)�
• There must be a start-up volume of at least
130ml between the unit and the non-return
valve (if present)�
EN
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