ZIEHL TR250, Руководство по эксплуатации, Страница: 3 / 18

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1
Display and operating elements
1, 2, 3
LEDs Alarm

OFF Switching point not exceeded

Flash Switching delay time dAL runs

ON Switching point exceeded, relay switches

Flash Switching back delay time doF runs

Flash Ready for Reset, switching interlocked

ON in programming mode Selected sensor or sensor group (8, 9, 10) acts on this alarm
4 3 digit digital display

Display temperature Appropriate LED Sensor is alight

Display alarm
AL1 / AL2 / AL3
, appropriate LED Alarm is alight

Display error massages
Er1
= short-circuit in sensor or line
Er2
= break of sensor or line
Er3/4 = internal error of device
Err = common error
EEE
= measured values too high
-EE
= measured values too low

In programming mode Display of values and functions
see 10. Operation
5, 7
button ▲ or button ▼

Press short Switch to menu mode, the right decimal-point lights

Press for
≥ 2 s
Display stored MIN- and MAX- temperature values of selected
sensor. Simultaneously pressing
of button Set ► for ≥ 2 s deletes
all stored MIN- and MAX- temperature values.