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BEFORE BEGINNING INSTALLATION OF THIS PRODUCT
Disconnect all electrical power to the machine
Make sure the machine cannot operate during installation
Follow all safety warnings of the machine manufacturer
Read and follow all installation instructions
W
ARNING
General
The Keystart 9620 series provides manual start/stop and automatic
fault shutdown protection for generators, pumps and other engine-
driven applications.
Keystart features a 3 way keyswitch for operator control of the engine,
with 6 LEDs for indication of status and faults - see ‘front view’ diagram
for details. Electrical connection and configuration options are at the rear
- see ‘Rear view, connection and settings’ diagram.
For each Keystart ordered, the following is supplied:
• 1 x Keystart module, fitted with 2 x panel mounting clips
• 2 x keys
• these instructions
Panel installation
Keystart is designed for front-of-panel mounting in a DIN standard
92 x 92 mm (3.6 x 3.6 in.) cut-out. Allow 75mm (3.0 in.) behind the
panel for the case depth, keyswitch and cable connection.
Secure the case to the panel with the two ratcheted mounting clips:
1. 2. 3.
Remove the plastic
mounting clips from
the Keystart case:
release each clip’s
ratchet mechanism by
pulling outwards (A),
then slide the clip
back and off the
case (B).
At the front of the
panel, insert the
Keystart (without
clips) into the panel
cut-out (C).
At the rear of the panel,
refit the two mounting
clips into the slots on
the Keystart case (D).
Slide each clip forward
until the arms (E) are
secured behind the
panel face. Ratchet
mechanism (F) prevents
the clip from moving
backwards.
Keystart 9
6
2
0 series
Engine & Generator Controls
Installation Instructions
00-02-0657
revision A, 22
nd
September 2008
catalogue section 40 & 75
Please read the following information before installing. A visual inspection of this product for damage during
shipping is recommended before installation. It is your responsibility to ensure that qualified mechanical and electrical
technicians install this product. If in doubt, please contact your local Murphy representative.
GENERAL INFORMATION
Product specifications
power supply:
operating voltage:
steady state
brown out / cranking
7 – 30 VDC
5 VDC
current consumption < 100mA
inputs:
fault switch inputs: close to negative DC during fault
–ve input defined as: –1V to +1V w.r.t. – ve DC supply
speed sensing input:
generator AC (J2+J3 on)
mag. pickup (J2+J3 off)
(model 9621 only)
70 – 270 VAC rms,
<50 to >60 Hz. nominal
10 – 60 VAC peak,
<2000 to >6500 Hz. nominal
outputs:
(all ratings non-reactive)
run, preheat positive DC, switched NO relay contact,
10 A max. @ 24VDC
start (crank) positive DC via keyswitch contacts,
10 A max. @ 24V DC
alarm negative DC (open collector
NPN transistor), 250mA max.
calibration/tacho to suit 0 – 1 mA, 75 Ohm meter
output = 0.75mA at rated engine speed
adjustable settings:
preheat timer 0 or 10 secs (link J1),
default = 0 secs
fault override timer 2 to 20 secs (VR1),
default = 10 secs
overspeed trip level 100 to 130 % (VR3) of
nominal speed calibration (VR2),
default = 110% (of 50 or 60 Hz)
general:
overall dimensions (w x h x d) 96 x 96 x 95 mm / 3.8 x 3.8 x 3.7 in.
panel cut-out size DIN 92 x 92 mm / 3.6 x 3.6 in.
weight approx. 300 g / 0.7 lb
operating temperature –35°C to +55°C / –31°F to 131°F
Model options