Controls KS-105, Product Manual

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10
CIRCUIT OPERATION
(for 12VDC battery system)
A detailed description of each KS-105 circuit is provided to address both operational
and troubleshooting questions. Controls Inc technical assistance is also available by
calling 330.239.4345 and asking to speak with a technician.
(Please have the product part
number and serial number available.)
# Description Operation
Loose
Wire to
W1
Pre-Heat Interval Select
Two options for pre-heat timer based on this input being open or
closed to ground:
Not Ground = 4 second Pre-Heat Signal
Ground = 10 second Pre-Heat Signal
Hour
Meter to
W2
Hour Meter Signal
Solid state close to ground signal based on engine running condition
(200mA max)
P to W3 Crank Signal
Close to ground output when key is in the “CRANK” position
(This is a close to ground signal circuit to energize the crank relay with a 500mA
max. This circuit is disabled while engine is running
.)
C to W4 Alternator Charge Lamp
12VDC signal from the alternator used to turn the alternator excite
lamp ON
H to W5 Pre-Heat Signal
Close to ground signal when key is in the “PRE-HEAT” or “CRANK”
position
(This is a close to ground signal circuit to energize the pre-heat relay with a
500mA max)
F to W6 Fuel Pull Signal
12VDC signal to fuel pull circuit when key is in the “CRANK” position
for a max of 5 seconds
(This is a 12VDC signal circuit to energize the fuel pull relay with a 2.1A max)
D to W7 Fuel Hold Signal
12VDC signal to fuel hold circuit when key is in the “CRANK” or “RUN”
position
(This is a 12VDC signal circuit to energize the fuel hold relay with a 2.1A max)
G to W8 Battery Negative (B-) Battery negative supply from B- terminal on battery
K to W9 Speed Signal
Input to KS-105 from engine alternator tach output. The speed signal
is used to indicate the engine is running and is required for the panel
to operate the engine properly.
E to W10 High Altitude Signal 12VDC input to KS-105 from the engine altitude module
M to W12 High Temp Switch
Normally open input
Open = Temperature below Yanmar switch specification
Close to Ground = High temperature alarm (engine shutdown)