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Murphy Series A900 manual SERIES A900 MURPHYMATIC GENERATOR ENGINE CONTROL SYSTEM

Models: Series A900

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A900-9025N

A900-9025N

Revised 10-99

Section 40

(00-02-0197)

SERIES A900

MURPHYMATIC® GENERATOR

ENGINE CONTROL SYSTEM

DESIGN, INSTALLATION

AND OPERATING MANUAL

Image 1

Murphy Series A900 manual SERIES A900 MURPHYMATIC GENERATOR ENGINE CONTROL SYSTEM, A900-9025N Revised Section

Contents

SERIES A900 MURPHYMATIC GENERATOR ENGINE CONTROL SYSTEM DESIGN, INSTALLATION AND OPERATING MANUALA900-9025N Revised Section Disconnect all electrical power to the machine BEFORE BEGINNING INSTALLATION OF THIS MURPHY PRODUCTRead and follow all installation instructions Section 2 Specifications Table of ContentsSection 4 Installation Section 6 Routine Maintenance and Operational TestsSection 1 Introduction Section 2 SpecificationsSection 3 Model Identification 3-2 A901 NFPA99 NFPA-110CAN/CSA A901f Overspeed Speed Switch AUTO 3-3 A901-2159 mm 6-1/4 in4-1/2 in 114 mm3-4 A902 OFF turns off the control system and resets any shutdownTEST turns on the engine controls and shutdown circuits DC12V DC12V DC12V 3-5 A902-2engine starts as detected by the crank disconnect circuit Overspeed Speed Switch3-6 A903 Page DC24V DC24V DC24V 3-7 A903-2audible alarm will turn off when the alarm contact clears 4-2 Wiring Section 4 Installation4-1 Location between A-900 Series module & relay module when mounting Figure 4-1.2.5 Mounting DimensionsA900 Series ModuleInput Figure 4-2.3.1 A901 wiringBarrier TerminalInput Barrier Terminal Blocks Figure 4-2.3.2 A902 wiringOutput Barrier Terminal Blocks OptionalInput Figure 4-2.3.3 A903 wiringBarrier Terminal4-4 Pre-operational Check-out 4-3 Crank DisconnectAlarm Unused SwitchesAir Damper Closed 3 4 5Section 7 Troubleshooting and Repair Section 6 Routine Maintenance and Operational Tests6-1 Routine Maintenance Section 5 OperationNote 1 AC voltage measured on AC scale of volt-ohmmeter 7-3 A900 SELECTRONIC Control Alarm Circuit Operation Section 8 Service Parts MURPHY SWITCH OF CALIFORNIA For Service in French Pour service en francaisDISCONTINUED FWMurphy