Control Box Leds And Indications - Nederman Airflow Alarm Kit Manual Del Usuario

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5.1 Control box LEDs and indications

Indicator
ALARM
POWER FAILURE
ON
Alarm LEDs
Airflow Alarm Kit
Light
Description
Red
Too low airflow in the system.
Red
Problem with electrical supply to unit.
Green
Unit active/standby. System is working.
Alarm Status
PSU1
Fan
Fan OFF
OFF
Operating mode:
Normal
ON
Flow=OK
Low flow
ON
Power failure
ON
Low flow
OFF
Power failure
Power OFF
OFF
PSU2
P-SW
Alarm
Constant
Out
Open/
ON
Closed
ON
ON
(Closed)
OFF
ON
(Open)
ON
OFF
(Closed)
OFF
ON
(Open)
OFF
OFF
Relay
Internal
battery
used
OFF
NO
5
6
7
NO
OFF
NO
5
6
7
NO
ON
NO
5
6
7
NC
ON
NO
5
6
7
NC
ON
NO
5
6
7
NC
OFF
YES
5
6
7
NC
EN
15

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