Murphy Keystart 9700 user manual

Summary of the content on the page No. 1

M010901
R
The Generator Controls Division of
Issue 5, revised 04/99
Catalogue section 75
WITH
AUTOMATIC FAULT PROTECTION SHUTDOWN
The Keystart 9700 range provides for the manual starting and
stopping of a standby engine - a generator, pump or other
application - with automatic monitoring and shutdown of the
engine in the event of a fault.
The 9700 series is pin compatible with the Autostart range:
this allows the use of standard wiring for both manual and
automatic control panels, simplifying p

Summary of the content on the page No. 2

Control Outputs The following are provided:- Tachometer/calibration output:– • Switched +ve RUN relay and START outputs, used for 0 – 1mA into 75 meter controlling the engine fuel and starter motor circuits. VR1: Nominal speed calibration:– • A –ve DC (open collector transistor), common ALARM With engine running at normal +ve –ve speed, adjust VR1 until calibration output, used for remotely signalling a fault condition. meter reads 0.75mA. Fault protection and Alarm System VR2: Overspeed tri