CEM-250 /10 - EN 3
0AUT.
AVV.
ADJUSTING THE PUMP WATER ELECTRONIC PRESSURE SWITCH (TRANSMITTER)
It controls the pressure of the system, replacing the conventional pressure switch.
WORKING PRESSURE BAR
PRESSOSTAT
BAR 7
BAR
Press to
select the
pump water
pressure gauge
OVERPRESSURE remains set to two bars, this value is
added to the working pressure (for example, working
pressure 9 bar overpressure 11 bar)
TIMER
Enabled with key on “AUT”, it makes it possible, if necessary, to have the motor pump work for an adjustable length of time (96 hours maximum),
at the end of which it stops and the WORK TIME OVER sign lights up on the display.
The work time is set by pressing the push-button ( lights up) until the desired value appears on the
DISPLAY .
STOP
On releasing the push-button, the timer automatically starts working, continously displaying the remaining work time.
CANCELLING THE SET TIME
To zeroing the set time there are two methods:
- keep the push-button pressed until it reaches zero.
- by turning the starter key onto "ZERO" (the engine pump will stop).
The push-button excludes pump protection:
exclusion is obtained by keeping it pressed for at least 3 consecutive seconds; the function is indicated by the two intermittent lights .
this exclusion is cancelled by pressing the push-button again or by turning the start key onto "ZERO".
-
-
Lit up with key on "AUT", they switch off with the engine running and regular oil pressure and battery charge system.
OIL AND BATTERY INDICATOR LIGHTS
M
ENGINE PROTECTIONS
The engine protections are enabled when the ENGINE PROTECTIONS ACTIVE light comes on (20 seconds after the end of starting impulse
and however 1 minute after positioning the key on “AUT”).
Interventions of the protection probes (fitted on the engine), indicated by the relevant lights, stop the engine, they are memorised and can be split into
two groups.
Delayed by seconds for2 : Delayed by seconds for5:
- OIL PRESSURE SWITCH
- OVERTEMPERATURE
SWITCH ~
~
~
~
PUMP PROTECTION EXCLUSION
()ENABLED ONLY WITH ENGINE RUNNING
PUMP PROTECTION
The protection of the pump
Intervention of the protection
is enabled when the PUMP PROTECTION ACTIVE information comes on, after the water
pressure has been steady for 2 consecutive minutes and in any case after 10 minutes from starting of the engine.
occurs 5 seconds after the pressure goes up or down by , stops the engine and is shown on
the display:
two bars
Press to adjust
the value of
low pressure
(PRESSOSTAT)
P
-A1
- BATTERY CHARGE ALTERNATOR
(ALTERNATOR BELT BREAKAGE)
- FUEL LEVEL SWITCH
- Fuel reserve flashing signal: 20% fuel reserve
(T) (WITHOUT ENGINE STOP)
- Signal always on: stop for minimum fuel level (W)
- PROBE FOR COOLANT LEVEL
- LOW FUEL PRESSURE
INSUFF. PRESS.
OVERPRESS.
Low
pressure
Pump water
overpressure
or
(low pressure)
LOW PRESS.
It is possibile to change the of the
(low pressure) by using the key
This change is cancelled when
the engine stops.
two bars pressure
lowering
BAR
No adjusting is required
