ICAR MCP4 Instrucciones De Uso página 16

alarm times, as indicated in the following figure:
It's possible to clear manually the integral time pressing the RESET/PHASE key or
automatically after that a time longer than the trigger time is elapsed without alarm
occurrences.
Alarm Reset
When an alarm occurs, the instrument signals the condition with a blinking of the alarm
led and of the led related to the measure on alarm and the alarm relay is opened. Till the
alarm condition is valid the device automatically turns, after 10 sec. of inactivity, on the
visualization of the measure that caused it.
Three alarm reset are possible: manual reset (MAn) by pressing the RESET/PHASE key
(for 5 seconds), or automatic (AU1 or AU2) reset when the alarm condition disappears. In
this case, if more than 3 alarms occur within one hour, a manual reset is requested, to
notify an abnormal condition with a possible fault into the electrical system (this is not true
for voltage alarm in AU2 mode, the only difference versus AU1 mode).
The over-temperature alarm always needs a manual reset.
How to select the default display measure
To define the measure to be displayed as default measure at the power-on, select the
measure and then press the key SCROLL together with the key -/MIN.
Periodic scanning of the measures on the display
In 3-phase mode, to activate the periodic scanning of the phase measures on the display
every 3 seconds, press the key +/MAX together with the key -/MIN. To stop the scanning,
press any key.
Cooling device testing
It's possible to activate manually, for testing purpose, the relay of cooling devices: to do
this, press the key RESET/PHASE together with +/MAX. To deactivate the relay, press
RESET/PHASE together with -/MIN.
1.4 GETTING STARTED AND PARAMETERS SETUP
Wire the device to plant (see diagrams) and apply power: the MCP4 automatically starts
in measure mode showing the default measure. To access the setup functions, press the
key SCROLL together with the key +/MAX for 10 seconds: once the setup mode is
entered, the device will blank the measure leds and light-up the leds corresponding to the
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