14
T412 SERIES
CHECK OF THE MAX/MIN T°
This function allows to view the Max and Min T° reached by the channel during normal operation since the last RESET.
STEP
PRESS
EFFECT
NOTES
1
T° Max display
Press the T° Max button
The LED
corresponding to the
pressed key lights up
2
The max. temperature reached since the last Reset is displayed
3
Press the T.Max key
4
The current temperature is displayed again
STEP
PRESS
EFFECT
NOTES
1
T° Min display
Press the T.Min key
The LED
corresponding to the
pressed key
lights up
2
The min. temperature reached since the last Reset is displayed
3
Press the T.MIN key
4
The current temperature is displayed again
In T-Max or T-Min mode, press
RESET
to reset the recorded values.
After about 60 minutes' keyboard inactivity, the T.Max and T.Min LEDs automatically switch off and the function is disabled.
CHECKING THE WORK PROGRAM
To check the set values of the temperature thresholds (L1 and L2), press the PRG button repeatedly (instantaneous):
PROG LED OFF: program display set
PROG LED ON: access to programming (PRG button pressed for over 4")
LAMP TEST
Its is advisable to carry out the unit's LED test occasionally but at regular intervals. To do this, just press the L.TEST key.
If one of the LEDs does not light, please return the control unit for repair.
HOLD FUNCTION
To select the HOLD function, choose
Hld-YES
when programming. With the HOLD function ON, when the temperature
exceeds the set alarm value, the Alarm relay energises and the corresponding LED lights up until the Reset button is
pressed.
It is possible to reset the relay only when the temperature goes below the set value.
To exclude the HOLD function, choose
Hld- (- - -)
when programming.
IMPORTANT WARNING
Before carrying out the insulation test of the electrical panel the control unit is installed on, disconnect it from the
power supply to prevent it from being seriously damaged.
