IMI SENSORS 685a Скачать руководство пользователя | Manualshive

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IMI

vibration switch

I N STALLATI ON - OPE RATI ON - MAI NTE NAN CE

Z0 929 03 9_A I S S U E D 03/2017

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

U S E R MAN UAL

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Содержание 685a

Страница 1: ...IMI vibration switch I N STALLATION OPE RATION MAI NTE NANCE Z0929039_A I SSU E D 03 2017 READ AND UNDERSTAND THIS MANUAL PRIOR TO OPERATING OR SERVICING THIS PRODUCT US E R MAN UAL...

Страница 2: ...s Overview General Features 3 Warnings 3 Installation Field Wiring 5 Internal Switch Rating 5 Operation Switch Setup 6 Adjustment 7 Switches with Remote Reset 8 Commissioning 10 Specifications 11 Dime...

Страница 3: ...IP66 rated enclosure Remote options 24VDC Remote Reset 120VAC 60Hz Remote Reset 240VAC 50Hz Remote Reset Top cover is secured with socket head cap screws for easy access to wiring terminals If using a...

Страница 4: ...s below Replacement mounting plate and hardware can also be purchased through SPX if desired 4 Make the necessary electrical connections to the vibration switch See Figure 1 for electrical terminal lo...

Страница 5: ...The NO contact of Sw 2 may be used to complete the alarm circuit When the switch trips this contact will close and complete the alarm circuit Internal Switch Contact Ratings The vibration switch uses...

Страница 6: ...s depressed If it does not remain depressed turn the sensitivity adjustment screw clockwise until it does Figure 3 Turning the adjustment screw clockwise increases the set point at which the switch wi...

Страница 7: ...ter operation full voltage or DOL start Start the fan motor If the switch trips rotate the adjustment screw clockwise 1 4 turn reset the switch and restart the motor VFD operation If the VFD has a byp...

Страница 8: ...ton station A mechanical switch is designed to sense a high shock or severe vibration event and cannot sense low vibration frequencies sometimes associated with cooling towers When the switch trips it...

Страница 9: ...f the reset coil was recently energized Since the coil needs the peak current only for a short period of time the thermistor lowers the current but it is still strong enough to hold the switch in rese...

Страница 10: ...s 6 Minutes 8 Minutes 1 Minute 3 Minutes 4 Minutes 30 seconds 1 5 Minutes 2 Minutes A power ON delay may be required when starting tower fan motor across the line DOL A 15 second delay is suggested to...

Страница 11: ...id 2442496 Manual external reset button and 240 VAC 50 Hz remote reset solenoid Model Startup Delay Trip indication Enclosure type Conduit fitting Electrical Certification 2396245 No External red indi...

Страница 12: ...terest of technological progress all products are subject to design and or material change without notice IMI vibration switch US E R MAN UAL SPX COOLING TECHNOLOGIES INC 7401 WEST 129 STREET OVERLAND...

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