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AEZ GCM02 - Oil Pressure; Motor Temperature

AEZ GCM02
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FILE VER LAST ISSUE LANG. PAGE
GCM02-MT-ING4 NEW.doc c/02 04/03/2003 ENG Page 21 of 57
1,0
O,5
PREALARM
MIN PRESSURE
8
BAR
OIL PRESSURE ENGINE
150
50
40
20
PREALARM
OFF PRHEAT.
ON PRHEAT.
MIN. TEMP
MOTOR TEMPERATURE
°C
COMPARISON AMONG THE DIFFERENT TRANSDUCERS
TRANSDUCERS
VALUE
VEGLIA
OHM
VDO
OHM
OIL PRESSURE 0 - 10 BAR
300 - 0 0 - 200
WATER TEMP. 20 - 120° 2200-200 660-20
OIL TEMP. 20 - 150° 2200-100 660-10
FUEL LEVEL 0 - 100% 200 - 0 0 - 200
2.6.3. OIL PRESSURE
This measurement is provided by 8 bar transducers. Different values can be set from the
Measurements Menu. An acoustic alarm can be activated to indicate minimum oil
pressure, and this is set at 0,5 bar above the pressure at which the oil pressure switch
intervenes.
PROGRAMMING
From the Menu various settings, to select for 17 analogic input the kind of transducer
Veglia, VDO or MTU.
If the transducer is 10 bar, to correct the reading value from the Menu measures.
ATTENTION! NOT CHANGE THE VALUE OF ZERO WHEN THE MOTOR IS RUNNING
To align eventually the zero reading, to go to page “REG. ZERO PO” and with the stopped
engine (0 pressure) to push ENTER. The transducer reading in that instant will be as zero.
2.6.4. MOTOR TEMPERATURE
This measurement is provided by Veglia or VDO water temperature transducers, up to
120°C. Different values can be set from the Measurements Menu.
The following are activated and can be set using the transducers fitted:
1. pre-alarm high temperature, normally set on a 150°C scale base (1);
2. pre-heating control (activate out 28 = pre-heating in misc. settings) two levels
are set, one for activation (ON) and one for stopping (OFF);
3. minimum temperature (can be activated from misc. settings), when the motor
temperature is below the set value the generator command (42-43-44) is
deactivated, to allow the motor to warm up without any load, until the minimum
temperature is exceeded.
(1) If you wish to set the high temperature pre-alarm, bear in mind that the value indicated
is affected by the wiring and a tolerance in the transducers that may be as much as 7°C. The temperature must therefore be set using
the measurements menu, and checked using a thermometer.
The setting entered must take the level at which the maximum temperature thermostat intervenes into account, as this causes the unit to
stop (WT11). The pre-alarm temperature must be set at least 3°C lower than the thermostat.
OHM
660
600
500
400
300
200
100
0
20 30 40 50 60 70 80 90 100 110°C
VDO TEMPERATURE TRANSDUCER
9 17 11 16
VDO pressure transmitter more
0-8 bar alarm contact
Thermistor (varying resistance) + thermostat
(contact NO) VDO for instrument and pilot
lamp
2 - Batt OP OM WT ET

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