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METRON FD2 Manual

Fire pump controllers
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MANUAL FOR MODEL FD2 FIRE PUMP CONTROLLERS
This manual provides General Information, Installation, Operation, Maintenance, and Trouble-Shooting Information for
METRON Model FD-2 Engine Driven Fire Pump Controllers.
Metron, Inc.
Revision: J
Starting Serial No. "LD"

TABLE OF CONTENTS

METRON, INC.
1505 West Third Avenue
Denver, Colorado 80223
Telephone: (303) 592-1903 Fax: (303) 534-1947
Date:
5-6-93
Date:
8-13-03
Approved:
KRH
Approved:
JW
DOC#:
171
Page:
1 of 15

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Summary of Contents for METRON FD2

  • Page 1: Table Of Contents

    MANUAL FOR MODEL FD2 FIRE PUMP CONTROLLERS Starting Serial No. "LD" This manual provides General Information, Installation, Operation, Maintenance, and Trouble-Shooting Information for METRON Model FD-2 Engine Driven Fire Pump Controllers. TABLE OF CONTENTS PART I General Information ......................PAGE 3 PART II Functions...........................PAGE 3...
  • Page 2 Page is blank - 2 -...

  • Page 3: Part I General Information

    PART I: GENERAL INFORMATION The basic function of the model FD2 Fire Pump Controller for diesel engine driven fire pumps is to automatically start the engine upon a drop in pressure in the water main, or from a number of other demand signals. This controller provides automatic cycled cranking, alarm and/or alarm shutdown protection for various engine failures.
  • Page 4 green pilot light marked "Auto" will illuminate in this position. Also, Battery No.1 and Battery No.2 green lights will illuminate indicating that battery power is available. If both battery lights are not on, verify that Battery 1 and Battery 2 circuit breakers are on, then press the “Battery Reset”...

  • Page 5: Part Iv Installation & Test Procedure

    Periodic Self Testing - The program clock can be set to give test runs on any day of the week and time of day desired. A timing element is incorporated in the controls so that when the engine starts in this manner, it will run for a definite time before it shuts down. This time is controlled by the Program Clock, and should be set for a minimum of thirty (30) minutes.
  • Page 6 ENGINE TERMINAL (terminals 1-12) STATUS INDICATOR LIGHTS Light Emitting Diodes (L.E.D.) lights have been installed above each engine wiring Terminal 1 through 12, except 11, to indicate the status of each terminal. Status indicator lights above Terminals 6 and 8 should be on at all times when both batteries are connected. No light on Terminals 6 or 8 indicates no battery power to that terminal.
  • Page 7 OIL PRESSURE FAILURE TEST: Place control switch in "Test" position to start engine. When the engine is starting and oil pressure is not yet up to full pressure, the "Low Oil Pressure" light will illuminate , but the bell will not ring. When pressure builds up, and the switch opens, the light will go out.

  • Page 8: Part V Trouble-Shooting

    REMOTE START SWITCH CIRCUITS: Field wiring terminals are provided on the controller so that optional remote start switches such as Remote Pushbutton Stations, Deluge Valve Switch, the Fire Alarm Switch, etc., may be used to start the engine. Two (2) sets of terminals are provided.
  • Page 9 Check to see if status light #2 is on. If #2 is "hot", the crank termination speed switch is closed. Check or replace speed switch. If there is no voltage at Terminal No.2 and engine still does not crank, the crank relay (7CR), engine running relay (9CR), or auto start relay (8CR) may be defective.

  • Page 10: Part Vi Sequence Of Operation

    Check wire from control panel to oil pressure switch on engine and also from switch to ground on two-wire switches. HIGH ENGINE TEMPERATURE ALARM DOES NOT OPERATE Selector switch must be in "Auto" and the engine running for this test. Simulate high water temperature by shorting terminals of temperature switch.
  • Page 11 voltage sensing circuit allows the battery failure relay to drop out when the battery potential drops below a level of about 60 percent of nominal for a period of several seconds. If a low battery voltage is sensed, the appropriate battery failure relay will drop out and lock the other one in. If Battery No.1 goes low or fails, 10CR will drop out.
  • Page 12 completing the circuit from the other Battery to 1T Terminal 9 or 10. The engine now cranks on the alternate battery power. If the engine fails to start, this cycle repeats for a total of six (6) crank periods alternating batteries each time. After six (6) crank periods the "Failed to Start"...
  • Page 13 The diodes in the alarm circuit are used to isolate the various alarm contacts so that Alarm relay 13CR may be used for more than one function. REMOTE START: The remote start switch or switches are N.O. which close momentarily. Depressing a remote start switch energizes 8CR which is then locked in through its N.O.

  • Page 14: Part Vii Batteries/Battery Charger

    Remote Alarm Contacts: 1T Terminals 17, 18, and 19 provide contacts for a remote indication that the switch is not in "Auto" position. 1T Terminals 20, 21, 22, and 23, 24, 25 provide two (2) sets of Engine Running contacts. One set can be used for remote alarm indications, and the other for any other required control function.
  • Page 15 Check batteries daily for a few days after initial installation has been made, and weekly thereafter. Batteries should be checked for overcharging (gassing), or undercharging (low voltage, or low specific gravity of the electrolyte or acid). CAUTION: Under no circumstances should new electrolyte (acid) be added to a battery that has been previously filled.
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