Page 81 - RM_2022
P. 81

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         03                              High pressure equipment
                                                                               t
                                                            e equipmen
                                                   Pressure switches
       Condor / Fanal                       PR 5                                           Example of use
                                                                                      with two pressure switches
                            103    78                              49     26     1 - Starting phase

                                                                                                      40 bar
                                                               83                25 bar     bar    bar


                            50

                                                                                Contact of pressure switch (40 bar) is activated
       Contact 10 A - 380 V. Thread 3/8" F.    Contact 5 A - 250 V. Cable 950 mm. Thread 1/4" M.   and by this way the cleaner can be started.
       Max. 250 bar / 90 °C                Max. 250 bar / 90 °C
                                                                                 2 - High pressure phase
       R+M Nr.                              R+M Nr.             start-up pressure
       911 50    FF4-4   0.22 - 4 bar   110 mm  912 515   blue       15 bar
                                                                                                     40 bar
       911 40    FF4-32   2 - 32 bar   110 mm  912 525   red         25 bar
                                                                                 25 bar    bar     bar
       911 20   FF4-250   30 - 250 bar   140 mm  912 540   black     40 bar
       Diaphragm pressure switches SW 27    Connector PG 9    Spare parts



                                                                                Reaching 25 bar the pressure switch (25 bar)
                                                                                changes the operating condition and secures
                                                                                the operation of the cleaner while pressure
                                                                                switch (40 bar) is deactivated.
                                                                                 3 - Stop phase

       Stainless steel. Contact 4 A - 24 V - 250 V. EPDM   Suitable for diaphragm   Micro switches    40 bar
       seals. Usable as dry running protection.    pressure switch               25 bar     bar    bar
       Max. 300 bar / 90 °C
       R+M Nr.                              R+M Nr.           R+M Nr.
       913 186 203    1/4" M      0.5 - 5   bar  913 118 002  912 00
       913 186 206    1/4" M     0.5 - 10 bar
                                                                                During the bypass phase water circulates in
                                                                                the pump without pressure.
                                                                                The pressure switch (25 bar) opens and the
                         When exchanging the pressure switch please             cleaner stops. At the same time there is still
                                                                                high pressure between the regulation valve
                      check the accumulator and if necessary exchange it.
                                                                                and the gun.
                                                                                The high pressure cleaner starts again when
                                                                                operating the gun.

                                                Pressure switches ST-7.1
          »  IP 65 protection class .                                                      Contacts: red and brown =
          »  Simultaneous N/O and N/C connection is                                        normally closed / red and blue =
        possible.                                                                          normally open.
          »  The design of the micro switch allows compara-                                When used with 2 pressure swit-
        bly high inrush current (20 Amps N/C, 15 Amps                                      ches, the two blue cables serve
        N/O).                                                                              as control lines.
          »  The electrical capacity of the switch is 10.1
        Amps  (resistive load).
          » Available switch points are 25 and 40 bar.
          »  No ingress of towing water into the environ-
        ment of the microswitch possible.
                                                                                R+M Nr.
                                           Contact 10.1 A - 250 VAC.            200 007 800   40 bar   black   1/4" M
                                           Cable 950 mm. Max. 300 bar / 90 °C. IP65  200 007 801   25 bar   red   1/4" M

                                       Symbols     thread     type     pressure     colour     height


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