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DALEMANS U-H1 Instruction Manual page 11

Alarm control unit for flammable gases
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Alarm status
The system can only exit alarm mode when all the alarm conditions have been reset.
b) Fault mode
The system can enter back-up mode when no alarm conditions have been met, but one or
several fault conditions have been.
c) Normal mode
Normal mode is reached if, and only if, the following conditions have been met:
No alarm conditions have been met.
There are no faults.
In such a case, the screen is GREEN and states 'No alarm':
d) Standby mode
When there are no gas alarms or fault messages, the backlighting of the display enters
standby mode after 60 seconds.
The system automatically exits standby mode when one of the following occurs:
keyboard action
detection of an alarm
appearance of a technical fault
DALEMANS sa/nv
Rue Jules Mélotte 27A
B-4350 Remicourt
+32 19 33 99 43
Detector
Gas presence
Detector 2
Sensor error
No alarm
U•H1 Instruction Manual
10
Localization
22%LEL
Gas concentration and unit
|
50
Certified
ISO9001 • VCA
www.dalemans.com

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