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Limit switches for
the BM26A series bypass level indicator

Supplementary Instructions for ATEX applications

MS15 - MS40 SERIES

Supplementary Instructions

Содержание MS15 Series

Страница 1: ...EX applications Supplementary Instructions for ATEX applications Supplementary Instructions for ATEX applications MS15 MS40 SERIES MS15 MS40 SERIES MS15 MS40 SERIES MS15 MS40 SERIES Supplementary Inst...

Страница 2: ...15 3 1 General notes 15 3 2 Terminal compartment for the MS15 series limit switch 15 3 2 1 How to open the terminal compartment 15 3 2 2 How to close the terminal compartment 16 3 3 Terminal compartm...

Страница 3: ...eplacement of the old version of the MS15 24 5 3 3 Replacement of the old version of the MS40 24 5 3 4 Replacement of the new version of the MS15 series or MS40 series limit switch 24 5 4 Manufacturer...

Страница 4: ...sive atmospheres when equipped with the appropriate options 1 3 Standards and approvals You can download the certificate from our website INFORMATION The information in these supplementary instruction...

Страница 5: ...vel indicator that agrees with EPL Ga Gb or EPL Gb if the temperature limits are obeyed For more data refer to Operating conditions on page 8 This equipment can be used in zone 0 zone 1 or zone 2 1 4...

Страница 6: ...ation number 2 Equipment approval category types of device protection including approved Gas Groups temperature classes and equipment protection level 3 Ex ia approval Ex ia approval Ex ia approval Ex...

Страница 7: ...e g near electrostatic painting systems and locations near other machines and systems that can have large electrostatic charges WARNING When you install the device obey the conditions in the EU Type E...

Страница 8: ...nt objects do not rub together Make sure that all personnel and equipment are correctly grounded If dirt collects on the device clean it with a damp cloth ESD warning Figure 2 1 ESD warning on the dev...

Страница 9: ...n on the limit switch Make sure that the airflow around the device is sufficient It is permitted to have insulation around the measuring chamber Make sure that the ambient temperature is within the li...

Страница 10: ...for measuring chamber with EPL Ga Gb Maximum limits for measuring chamber with EPL Gb Temperature class Maximum process temperature Maximum ambient temperature Without insulation With insulation C T6...

Страница 11: ...emperature Maximum ambient temperature Without insulation With insulation C T6 68 70 62 T5 80 80 77 T4 108 80 T3 160 80 T2 180 80 210 80 74 240 80 62 T1 300 74 Not applicable 360 61 Not applicable Tem...

Страница 12: ...rocess temperature is less than 60 C then make sure that the ambient temperature and the service temperature for the MS15 series limit switch with an Ex db approval are more than the minimum permitted...

Страница 13: ...uring chamber with EPL Ga Gb Maximum limits for measuring chamber with EPL Gb Temperature class Maximum process temperature Maximum ambient temperature Without insulation With insulation C T6 68 66 62...

Страница 14: ...is less than 40 C then make sure that the ambient temperature and the service temperature for the MS40 series limit switch are more than the minimum permitted values For more data refer to Ambient an...

Страница 15: ...move the terminal compartment cover Make sure that no dust goes into the electrical compartment after you open the cover WARNING MS15 series limit switch The cable gland is supplied on customer demand...

Страница 16: ...wise until it is fully engaged Use a 1 5 mm Allen wrench to tighten the lock screw Make sure that the lock screw is tight Figure 3 2 How to close the terminal compartment cover DANGER MS15 series with...

Страница 17: ...eries limit switch 3 3 1 How to open the terminal compartment Equipment needed Large slotted tip screwdriver not supplied 1 Loosen the 4 screws on the cover with a large slotted tip screwdriver 2 Remo...

Страница 18: ...the housing Attach the cover with a large slotted tip screwdriver Tighten the 4 screws on the cover 3 4 Terminal tightening capacity The terminal tightening capacity for the input terminal is MS15 ser...

Страница 19: ...of the BM26A series bypass level indicator to connect the device to the equipotential bonding system Make sure that there is a good electrical connection resistance 1 ohm between the measuring chamber...

Страница 20: ...ous area If this is not possible make sure that each of the unused electrical wires are safely isolated other electrical wires ground etc and rated for a test voltage 500 V rms If it is necessary make...

Страница 21: ...the certificate and data in standards related to the installation of the conduit Obey the instructions that follow The electrical wiring must agree with the applicable standards e g EN 60079 14 Use th...

Страница 22: ...n intrinsically safe barrier within the correct parameters For more data refer to Maximum intrinsically safe values for the electrical circuit on page 20 The electrical circuit characteristics must no...

Страница 23: ...series limit switches refer to How to open the terminal compartment on page 15 For more data about MS40 series limit switches refer to How to open the terminal compartment on page 17 Ex d approved dev...

Страница 24: ...new version of the MS40 series Record the serial number of the limit switch that you will replace and send this data to your supplier Refer to the installation procedures in the handbook The technical...

Страница 25: ...the following points Due to statutory regulations on environmental protection and safeguarding the health and safety of the personnel the manufacturer may only handle test and repair returned devices...

Страница 26: ...me Telephone number Fax number Email address Manufacturer order number or serial number The device has been operated with the following medium This medium is radioactive water hazardous toxic caustic...

Страница 27: ...NOTES 6 27 MS15 MS40 SERIES www krohne com 06 2020 4007717401 AD ATEX MS15 MS40 R01 en...

Страница 28: ...rvices Head Office KROHNE Messtechnik GmbH Ludwig Krohne Str 5 47058 Duisburg Germany Tel 49 203 301 0 Fax 49 203 301 10389 info krohne com KROHNE 06 2020 4007717401 AD ATEX MS15 MS40 R01 en Subject t...