6
T538 protection relays
TECSYSTEM S.r.l ®
8) DISPLAY MODE
Pressing on DISPLAY MODE you establish the visualization ways of the display:
HOT : the unit visualizes automatically the hottest channel
MAN : manual reading of the channels temperature by !
!!
! and "
""
" push-buttons
T.MAX :the unit visualizes the max. temperature reached by the sensors and
the eventual alarms starting from last reset.
SCAN : channels are cyclically every 2 seconds
9) WORKING PROGRAM CONTROL
In order to control the programmed temperature values, you have to push shortly on PRG.
Pushing PRG repeatedly the values established previously appear on the display in se-
quence.
In order to end the visualization you have to push ENT.
10) RANGE
Pressing “SET” button when the unit is on AUTOMATIC working, the ALARM and TRIP
values appear on the display in sequence.
To have a more rapid channels scanning, you have to press many times the SET button.
At the end it is carried out the LAMP TEST
11) LAMP TEST
It is advisable to carry out regularly the LED test of the unit. For this operation you have to
push TEST.
If one of the LED does not work, please send us the unit in order to be repaired.
9) WORKING PROGRAM CONTROL
It is advisable to carry out regularly the LED test of the unit. For this operation you have to
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