5 - 14
Section C
Electrics
9803/6400
Section C
5 - 14
Issue 1
Pump Control
Cushion (Soft/Hard) Switch
Circuit Diagram
Time Chart
Flow Chart - Cushion (Soft/Hard) Switch
Output to the soft/hard solenoid valve is OFF when key
switch is ON. This is its SOFT status
After the engine is started, the signal received from the panel
switch is altered. The signal of IN1 turns to LO, and 24V is
output to the solenoid valve from the controller. When the
solenoid valve switches, the hard condition exists.
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