Xylem Motor pump control unit GEN Series - Manual (Page 35)

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“0”: FUNCTION SHUTDOWN
Key-operated selector switch in “0” position
Normally it is left in the AUTO position with the key out.
If the key-operated selector switch is set to “0”, the engine shuts off if it is running
IMPORTANT: the motor pump cannot be started manually or
automatically from the electronic control unit. Use this mode when
performing maintenance operations.
The two green emergency start buttons on the control panel are in any case
enabled to start the engine. Follow the safety regulations to avoid any accidental
start-ups of the engine; if necessary disconnect the batteries.
Electronic control unit indicator lights
Red AUTOFUNCTION OFF indicator light on.
Red FAILURE TO START indicator light off.
Red PUMP RUNNING indicator light off
Red CONTROLLER FAULT indicator light off
The following information is displayed:
- “0” mode
- Selector switch not set to automatic mode
- Battery voltage
Note: if the key-operated selector switch is in the “0” position, it is not possible to program
the control unit.
4. ALARMS AND SIGNALS
A number of control and alarm signals are available on the control unit.
DESCRIPTION DISPLAY OUTPUT SIGNAL ENABLED NOTES*
Low engine
oil pressure
Display
Programmable relay
+ Alarm summary relay
With engine
running
Permanent
High engine
temperature Display
Programmable relay
+ Alarm summary relay
With engine
running
Permanent
Low engine
rpm
Display
Programmable relay
+ Alarm summary relay
With engine
running
Permanent
Overspeed
“RUNAWAY” Display
Programmable relay
+ Alarm summary relay
With engine
running
Permanent
WARNING