3
– PRODUCT PRESENTATION
COD:
500M380.D.2018
EN
THE PRESENT MANUAL BELONGS TO -
Schenker Italia
- ALL RIGHTS RESERVED
18
Depressurization valve.
It is used for the air bleeding of the unit. It is recognizable by a blue lever and it is
located on the right SS fitting of the third membrane. Its function is to depressurize the system and to allow the
bleeding of air. The valve must be closed during normal working conditions (vertical position), and it is opened
during the air bleeding operations (horizontal position).
Positioner.
It is a stainless steel threaded arm, with a black knob, located on the right side of the top of the
ERS. Its function is to reset the unit in case of hydraulic block.
WATERMAKER GROUP, POSITIONER VIEW
FIG. 3-11
Reset valve.
It is installed on the top of the ERS and it is recognizable by the little blue plastic lever. The valve
must be closed during normal functioning (lever perpendicular to the valve). Such valve has the function to
allow the reset of the ERS in case of a system block. It must be opened before acting on the valve positioner.
WATERMAKER GROUP, VALVE VIEW
FIG. 3-12
High pressure switch.
It Is hydraulically connected downstream the pump 2. It stops the system if the pump
2 pressure exceeds 18 bar. In this case a high-pressure alarm is activated on the control panel.
Reset valve
Depressurization
valve
Probe switch
Positioner
