Marley IMI 686B User Manual Download Page 1 | Manualshive

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IMI 686B

vibration switch

INSTALL ATION - OPERATION - MAINTENANCE

Z1070 9 9 0_B I S S U E D 1/2020

READ AND UNDERSTAND THIS MANUAL PRIOR TO OPERATING OR SERVICING THIS PRODUCT.

user manual

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Summary of Contents for IMI 686B

Page 1: ...IMI 686B vibration switch INSTALLATION OPERATION MAINTENANCE Z1070990_B ISSU E D 1 2020 READ AND UNDERSTAND THIS MANUAL PRIOR TO OPERATING OR SERVICING THIS PRODUCT user manual ...

Page 2: ...lying this switch directly in line with a motor starter operating coil may damage the switch due to high inrush current when energizing the coil When applying the switch to a motor starter consider using the Marley IB1 interface box General Features Tested in cooling tower applications by SPX engineers who rated its perfor mance superior to mechanical vibration switches Factory programmedbySPXspec...

Page 3: ...er smechanical equipment for possible vibration issues An unbalanced driveshaft or coupling may cause enough vibration to trip the switch After the vibration issue is resolved and corrected reset the vibration switch To reset power must be discharged then reapplied to the switch When the switch is used in a VFD or motor starter safety circuit resetting may be ac complished by cycling power at the ...

Page 4: ... 26 27 28 J3 A B COM DIP SWITCH CONSULT MANUAL FOR SETTING J5 1 20 SLOT 1 COOLING TOWER N C VIBRATION SWITCH COMM BYPASS KEYPAD COMM BYPASS DISPLAY ON ON Two Wire Control Circuit using an SPST Switch Typical connection points for the IMI 686B vibration switch used with the E Clipse bypass terminal strip of an ABB ACH550 VFD Breakingthecontrolcircuitbetweenpoints1and7willdisableVFDandbypass operati...

Page 5: ...face box provides a second contact which may be used to complete an alarm circuit at the BMS reset push button and tripped indicating light Mount the IB1 interface box in a convenient location for easy access by op erating personnel Common locations are the cooling tower handrail or near the tower access door at grade level Do not wire the vibration switch in series with the coil of an electrome c...

Page 6: ...vailable Q Is a 4 20mA vibration level output signal available A No this device is only a switch Q Can the switch be reset remotely A Yes removing the power to the switch will reset it back to normal operation Q Does the switch require maintenance A No Switch Mounting Q What is the standard mounting stud A 1 4 28 UNF threads Q What is a typical mounting location A On a gearbox Q Is an explosion pr...

Page 7: ...Q Does the probe lead need to be in conduit A The sensor cable is rated for outdoor use Follow local codes to determine if cable should be placed in conduit Integration Q Can the switch be interfaced with the VFD in the Marley AIO control panel A Yes the Marley AIO panel provides circuits to shut down the VFD and a status contact used for a remote BMS Q Can the switch be interfaced with other equi...

Page 8: ...m Part Number Description Enclosure Rating Cable SPX Factory Programmed Standards 2598732 Standard Vibration Switch NEMA4X IP68 Stainless Steel 30 9m with water tight molded connection at switch and flying ends at opposite end 0 7 ips peak with 3 second delay CE 2695604 Vibration Switch with Explosion Proof Enclosure CSA Class1 Div 2 Groups A B C D Conduit head with terminal blocks No Cable 0 7 ip...

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