Econ 79652 Installation & Operation Manual Download Page 8 | Manualshive

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Installation & Operation Manual Proven Quality since 1892

ECON Limit Switch Box Fig. 79652 www.eriks.com
Rev.0 8

8.4.3 Proximity switch - P&F NBB2-V3-E2

8.4.4 Mechanical switch - 2 SPDT with CPT, Current Position Transmitter (Optional)

Note:



The limit switch box must be grounded at all times.



At least a 2 sq. mm wire is recommended for grounding.

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Summary of Contents for 79652

Page 1: ...tion Operation Manual Proven Quality since 1892 ECON Limit Switch Box Fig 79652 www eriks com Rev 0 1 ECON Limit Switch Box Fig 79652 Scan for manual Installation Operation Manual for Limit Switch Box Fig 79652 ...

Page 2: ...2 Setting of switch sensor cams 6 8 3 Cam types 6 8 4 Wiring of the Limit Switch Box 6 8 4 1 Mechanical switch 2 SPDT Standard 7 8 4 2 Proximity switch P F NBB2 V3 Z4L 7 8 4 3 Proximity switch P F NBB2 V3 E2 8 8 4 4 Mechanical switch 2 SPDT with CPT Current Position Transmitter Optional 8 8 5 Setting of the Current Position Transmitter unit CPT Optional 9 8 5 1 Calibration of the potentiometer 9 8...

Page 3: ...ose Red Language English Open Closed Switch types See chapter 3 for standard switch types Terminal strip 8 point 0 08 2 5mm 2 optional 9 to 14 points External coating Dry powder polyester Potentiometer optional 1kΩ optional 0 5kΩ 0 10kΩ Current output signal unit optional 4 20mA 20 4mA 3 SWITCH TYPE SELECTION ECON code Position feedback devices Switch Sensor specification EC79652000AMS Micro Switc...

Page 4: ...ription 1 Window Indicator 1 Polycarbonate ABS 2 Cover Captive Cover Bolt 4 Stainless steel 3 Cover 1 Aluminium Die casting 4 Name Plate 1 Sticker 5 Shaft 1 Stainless steel 6 Body 1 Aluminium Die casting 7 Terminal Strip 1 8 positions 8 Cams 2 PC 9 Switch 2 See switch type specification chapter 3 10 Grounding Lug 1 Stainless steel 4 2 3 1 5 6 7 8 9 10 ...

Page 5: ...he actuator air supply and power supply of the pilot valve must be shut off ECON limit switch boxes are supplied with a mounting bracket according to the VDI VDE 3845 NAMUR standard This standard bracket is selected for actuators with a VDI VDE connection 30x80 mm and an actuator shaft height of 30mm Brackets for other VDI VDE dimensions are available upon request and are mentioned in the table be...

Page 6: ...lts Remove the cover carefully Setting of the open cam setting Put the actuator in the fully open position Lift the yellow lower cam and rotate it until the switch is activated Release the cam and it will lock itself to the shaft Close cam setting Put the actuator in the fully closed position Push the red upper cam down and rotate it until the switch is activated Release the cam and it will lock i...

Page 7: ...pond with switch contacts Follow the wiring diagram in order to make a correct connection to your system A solenoid valve may also be wired through the ECON limit switch box Two auxiliary terminals EXT are included as a standard ECON limit switch boxes have two cable entries and are being supplied with a blanking cap plug A cable gland must be selected by the user or installer and must meet the ap...

Page 8: ... Switch Box Fig 79652 www eriks com Rev 0 8 8 4 3 Proximity switch P F NBB2 V3 E2 8 4 4 Mechanical switch 2 SPDT with CPT Current Position Transmitter Optional Note The limit switch box must be grounded at all times At least a 2 sq mm wire is recommended for grounding ...

Page 9: ... 4 F to 140 F Dimension 40 x 60 x 15mm DC power supply 8 5 1 Calibration of the potentiometer Operate the actuator into the closed position Connect an Ohm meter to the P1 and P3 resistor The value shall be approximately 1kΩ Loosen the potentiometer gear wheel from the shaft and connect the Ohm meter to P1 and P3 and rotate the gear wheel gently until a value between 80 to 120Ω is achieved 100Ω pre...

Page 10: ...eration conditions inspections must be performed more frequently During maintenance the following parts of the limit switch box must be inspected Check the alignment of the valve actuator and limit switch box Check the wiring insulation and the terminal strip connections Check the adjustment of the cams Check the cams on wear and replace them if necessary Check if al screws are present and tighten...

Page 11: ...The electric connecting cables must be without damage and wired correctly Cable entries cable glands plugs etc have to be checked for tightness Check whether Ex connections are fastened correctly Take care of possible discolorations of the terminals and wires Check the flame path gaps of flameproof enclosures for dirt and corrosion Since the dimensions of all Ex gaps are strictly defined and inspe...

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