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METRON M100 Series Manual

Electric fire pump controllers, for use with the manual start fire pump controller
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FOR USE WITH THE MANUAL START FIRE PUMP CONTROLLER
SERIES M100, M200 AND M220 AND THE COMBINED AUTOMATIC-MANUAL
START FIRE PUMP CONTROLLERS SERIES M300, M400 AND M420
Note: This manual is subject to change without prior notice.
ELECTRIC FIRE PUMP CONTROLLERS

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METRON, INC.
1505 West Third Avenue
Denver, Colorado 80223
Telephone: (303) 592-1903
MANUAL
Fax: (303) 534-1947
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  • Page 1 OPERATION OF CONTROLLER..................PAGE 5 PART VI SEQUENCE OF OPERATION....................PAGE 6 PART VII NOMENCLATURE .......................PAGE 8 Note: This manual is subject to change without prior notice. METRON, INC. 1505 West Third Avenue Denver, Colorado 80223 Telephone: (303) 592-1903 Fax: (303) 534-1947 - 1 -...
  • Page 2 PART I: GENERAL DESCRIPTION The basic function of the Fire Pump Controller is to start the pump motor to maintain the water system pressure. This may be accomplished in automatic controllers, Series M300, M400 and M420, by automatically starting the pump motor upon drop in pressure in the water main or from a number of other demand signals.
  • Page 3 PART III: INSTALLATION The Fire Pump Controller has been assembled and wired at the factory with the highest workmanship standards. All wiring and functions have been thoroughly tested to assure correct operation when properly installed. Before operating the controller, perform the Initial Installation Start-Up Procedure, Part IV. The cubicle should be well grounded according to local standards.
  • Page 4 Turn circuit breaker off. Connect output from contactor to pump motor. Close circuit breaker. Push start button; motor should start. Check the motor for proper rotation. Push stop button; motor should stop. Series M200 Manual Primary Resistance Start: The start -up procedure is the same for the Series M100. There are two contactors instead of one and a set of starting resistors.
  • Page 5 Series M400 Combined Manual-Automatic Primary Resistance Start: The start -up procedure is the same as for the Series M300. There are two contactors instead of one, and a set of starting resistors. The starting contactor is connected in series with the resistors to reduce the voltage to the motor for a preset time. After this preset time delay the main contactor will close in parallel with the starting contactor and resistors and thus apply full voltage to the motor.
  • Page 6 PART VI: SEQUENCE OF OPERATION Introduction: The explanation of the sequence of operation will start with the assumption that the controller has been properly installed, all external connections have been made and the isolation switch and circuit breaker are closed. In other words, the controller is operational. The Power On pilot light should be on. All wiring on the primary side of the Transformer 1CPT will be referred to as the primary circuit.
  • Page 7 Engine Lock out / (Option E): A N.O. auxiliary contact on the motor contactor is provided to prevent an engine type controller from starting if the electric motor is running. Circuitry for this is provided in engine controllers supplied with Option 'E'. Electric Motor Lockout / (Option M): Terminals are available to connect to an external switch to lock out the electric motor.
  • Page 8 PART VII: NOMENCLATURE Manual Start Relay Control Relay 1MC Delay Relay Transformer Secondary Power Available Relay Deluge Start Relay (Option D) Power Failure Start Relay (Option P) Motor Lockout Relay (Option M) Run Period Timer 1MC Delay Timer Sequential Start Timer (Option S) Motor Run Contactor Motor Accelerator Contactor 1MCA...

This manual is also suitable for:

M200 seriesM220 seriesM300 seriesM400 seriesM420 series

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