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Pump Monitor Relay warns of over-temperature, seal leakage events.

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Pump Monitor Relay warns of over-temperature, seal leakage events.
Pump Monitor Relay warns of over-temperature, seal leakage events.
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June 26, 2014 - As replacement for Xylem-Flygt Mini-Cas Relay, PMR2 Pump Monitor Relay provides motor over-temperature and seal leakage alarms for submersible pumps equipped with FLS or CLS sensors. If sensor current is in normal range, relay is energized to allow normal pump operation. Front contains LED indicators for power, seal leakage condition, and over-temperature condition as well as one selector switch for choosing between auto and manual reset.Over-temperature reset pushbutton is also included.

M.P. Electronics Announces PMR2 as Direct Replacement for (4) Xylem-Flygt Parts

Motor Protection Electronics, Inc.
2464 Vulcan Rd.
Apopka, FL, 32703

Press release date: June 25, 2014

The PMR2 Pump Monitor Relay by M.P. Electronics is a direct replacement for the Xylem-Flygt Mini-Cas Relay. The PMR2 provides Motor Over-Temperature and Seal Leakage alarms for submersible pumps equipped with FLS or CLS sensors.

The PMR2 applies 12 VDC to the sensor and measures the current flow through the sensor. The sensor controls the current in the circuit. If the sensor current is in the normal range the Temperature Alarm Relay is energized to allow normal pump operation. If the sensor circuit becomes shorted, the 12 VDC is turned off and all LEDs flash.

Upon a High Motor Temperature condition, the sensor opens so that the sensor circuit current drops to zero. With the sensor current below the Trip Point (≤3.0 mA 5%), the Overtemp Indication is turned on and the Temperature Alarm Relay is de-energized, preventing pump operation.

When the High Motor Temperature condition has cleared, the unit will reset based on the position of Alarm Reset Mode Select Switch (Auto or Manual). When in the Auto position, the Overtemp Alarm resets automatically. If the switch is in the Manual position, the Overtemp Reset Push-button must be pushed to clear the alarm.

Upon a Seal Leakage condition, the sensor increases the sensor circuit current above the Trip Point (≥22 mA 5%), the Leakage Indication is turned on and the Leakage Alarm Relay is energized.

The PMR2 replaces the following part numbers: 14-407129, 14-407113, 835848, and 835857.

Motor Protection Electronics Motor Protection Electronics is located in the Central Florida city of Apopka, Florida.

Our company was founded in 1983, and we are a leader in the design and manufacturing of Industrial Controls for the Water and WasteWater Industry, along with excellent customer service, technical support and product availability.

For additional information, contact M.P. Electronics, 2464 Vulcan Road, Apopka, Fl. 32703 Phone: 407-299-3825, or go to our, and select the “Special Controls” tab.
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