MK LIT (E5) 01/2021
page 75/172
13. Notification and alarm functions
13.1 Alarms via indicator light with integrated buzzer
Audible and visual signals alert the user to different operating states. This alarm is independent of the
chamber controller.
The indicator light indicates three operating states as follows:
Indicator light green, steady light signal
•
Normal operation
•
All monitored parameters (temperature, O
2
, H
2
, CO) are below the
threshold values for notification levels 1 and 2
Indicator light yellow, flashing signal
•
Gas detection alarm threshold 1 triggered: At least one threshold
value for notification level 1 has been exceeded
or
•
Fault notification (cable break, sensor fault, deviation of the gas
detection volumetric flow, etc.)
•
Warning, CO
2
fire suppression device inactive.
Indicator light red, flashing signal
•
Gas detection alarm threshold 2 triggered: At least one threshold
value for notification level 2 has been exceeded
or
•
Alarm threshold for temperature monitoring (rod controller) trig-
gered: Threshold value of 120°C exceeded
or
•
CO
2
fire suppression device activated by manual release
•
The buzzer sounds.
Indicator light (6) with integrated
buzzer (normal operation)
Summary of Contents for 9020-0402
Page 159: ...MK LIT E5 01 2021 page 159 172 30 7 Dimensions LIT MK 240 dimensions mm...
Page 160: ...MK LIT E5 01 2021 page 160 172 LIT MK 720 dimensions mm...
Page 162: ...MK LIT E5 01 2021 page 162 172...
Page 163: ...MK LIT E5 01 2021 page 163 172...
Page 165: ...MK LIT E5 01 2021 page 165 172...
Page 166: ...MK LIT E5 01 2021 page 166 172 31 3 Safety concept certificate from T V S d...
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